add LingYun basic library and update makefile
4 files modified
11 files added
3 files renamed
New file |
| | |
| | | /********************************************************************************* |
| | | * Copyright: (C) 2019 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: hal.c |
| | | * Description: This file is HAL(Hardware Abstract Layer) initial functions |
| | | * |
| | | * Version: 1.0.0(2019年06月24日) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "2019年06月24日 23时46分47秒" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #include "hal.h" |
| | | |
| | | int hal_init(void) |
| | | { |
| | | init_led(); |
| | | |
| | | if( sht2x_init() < 0 ) |
| | | { |
| | | log_err("Initialise SHT20 failure\n"); |
| | | return -2; |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | | |
New file |
| | |
| | | /********************************************************************************* |
| | | * Copyright: (C) 2019 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: hal.h |
| | | * Description: This file is HAL(Hardware Abstract Layer) initial functions |
| | | * |
| | | * Version: 1.0.0(2019年06月24日) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "2019年06月24日 23时46分47秒" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #ifndef _HAL_H_ |
| | | #define _HAL_H_ |
| | | |
| | | #include "lylib/logger.h" |
| | | |
| | | #include "led.h" |
| | | #include "ds18b20.h" |
| | | #include "sht20.h" |
| | | |
| | | int hal_init(void); |
| | | |
| | | #endif /* ----- #ifndef _HAL_H_ ----- */ |
| | |
| | | |
| | | PWD=$(shell pwd ) |
| | | |
| | | LIBNAME=$(shell basename ${PWD} ) |
| | | PROJPATH=$(shell dirname ${PWD} ) |
| | | |
| | | CFLAGS+=-I${PROJPATH} |
| | | |
| | | all: clean |
| | | @rm -f *.o |
| | | @${CROSS_COMPILE}gcc -c *.c |
| | | @${CROSS_COMPILE}gcc ${CFLAGS} -c *.c |
| | | ${CROSS_COMPILE}ar -rcs lib${LIBNAME}.a *.o |
| | | |
| | | clean: |
| | |
| | | #ifndef __SHT20_H |
| | | #define __SHT20_H |
| | | |
| | | #include <stdio.h> |
| | | #include <stdint.h> |
| | | #include <time.h> |
| | | |
New file |
| | |
| | | /* ******************************************************************************** |
| | | * Copyright: (C) 2018 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: cp_comport.c |
| | | * Description: It's the comport operate library. |
| | | * |
| | | * Version: 2.0.0(10/17/2018~) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "10/17/2018 03:33:25 PM" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #include "comport.h" |
| | | |
| | | void set_settings(st_comport * comport, const char *settings); |
| | | |
| | | /************************************************************************************** |
| | | * Description: Set the comport structure |
| | | * Input Args: dev_name: The comport device name path, such as '/dev/ttyS3' |
| | | * baudrate: The baudrate, such as 115200 |
| | | * settings: The databit,parity,stopbit,flowctrl settings, such as '8N1N' |
| | | * Output Args: NONE |
| | | * Return Value: The st_comport structure pointer. |
| | | *************************************************************************************/ |
| | | st_comport *comport_init(const char *dev_name, int baudrate, const char *settings) |
| | | { |
| | | st_comport *comport = NULL; |
| | | if (NULL == (comport = (st_comport *) malloc(sizeof(st_comport)))) |
| | | { |
| | | return NULL; |
| | | } |
| | | memset(comport, 0, sizeof(st_comport)); |
| | | comport->frag_size = 128; |
| | | |
| | | strncpy(comport->dev_name, dev_name, DEVNAME_LEN); |
| | | comport->baudrate = baudrate; |
| | | |
| | | set_settings(comport, settings); |
| | | #ifdef COM_DEBUG |
| | | disp_settings(comport); |
| | | #endif |
| | | |
| | | return comport; |
| | | } |
| | | |
| | | #ifdef COM_DEBUG |
| | | void disp_settings(st_comport *comport) |
| | | { |
| | | COM_PRINT("Device:\t\t\t\"%s\"\n", comport->dev_name); |
| | | COM_PRINT("Baudrate:\t\t%ld\n", comport->baudrate); |
| | | COM_PRINT("DataBit:\t\t\'%d\'\n", comport->databit); |
| | | |
| | | switch (comport->parity) |
| | | { |
| | | case 0: |
| | | COM_PRINT("Parity:\t\t\t\'N\'\n"); |
| | | break; |
| | | case 1: |
| | | COM_PRINT("Parity:\t\t\t\'O\'\n"); |
| | | break; |
| | | case 2: |
| | | COM_PRINT("Parity:\t\t\t\'E\'\n"); |
| | | break; |
| | | case 3: |
| | | COM_PRINT("Parity:\t\t\t\'S\'\n"); |
| | | break; |
| | | } |
| | | COM_PRINT("StopBit:\t\t\'%ld\'\n", (long int)comport->stopbit); |
| | | switch (comport->flowctrl) |
| | | { |
| | | case 0: |
| | | COM_PRINT("FlowCtrl:\t\t\'N\'\n"); |
| | | break; |
| | | case 1: |
| | | COM_PRINT("FlowCtrl:\t\t\'S\'\n"); |
| | | break; |
| | | case 2: |
| | | COM_PRINT("FlowCtrl:\t\t\'H\'\n"); |
| | | break; |
| | | case 3: |
| | | COM_PRINT("FlowCtrl:\t\t\'B\'\n"); |
| | | break; |
| | | } |
| | | COM_PRINT("\n"); |
| | | return; |
| | | } |
| | | #endif |
| | | |
| | | /************************************************************************************** |
| | | * Description: Set the comport databit,parity,stopbit,flowctrl into the comport structure |
| | | * Input Args: comport: the st_comport pointer |
| | | * settings: The databit/parity/stopbit/flowctrl settings as like "8N1N" |
| | | * Output Args: NONE |
| | | * Return Value: NONE |
| | | *************************************************************************************/ |
| | | void set_settings(st_comport * comport, const char *settings) |
| | | { |
| | | if(NULL==settings || NULL==comport) |
| | | return ; |
| | | |
| | | switch (settings[0]) /* data bit */ |
| | | { |
| | | case '7': |
| | | comport->databit = 7; |
| | | break; |
| | | case '8': |
| | | default: |
| | | comport->databit = 8; |
| | | break; |
| | | } |
| | | |
| | | switch (settings[1]) /* parity */ |
| | | { |
| | | case 'O': |
| | | case 'o': |
| | | comport->parity = 1; |
| | | break; |
| | | case 'E': |
| | | case 'e': |
| | | comport->parity = 2; |
| | | break; |
| | | case 'S': |
| | | case 's': |
| | | comport->parity = 3; |
| | | break; |
| | | case 'N': |
| | | case 'n': |
| | | default: |
| | | comport->parity = 0; |
| | | break; |
| | | } |
| | | |
| | | switch (settings[2]) /* stop bit */ |
| | | { |
| | | case '0': |
| | | comport->stopbit = 0; |
| | | break; |
| | | case '1': |
| | | default: |
| | | comport->stopbit = 1; |
| | | break; |
| | | } |
| | | |
| | | switch (settings[3]) /* flow control */ |
| | | { |
| | | case 'S': |
| | | case 's': |
| | | comport->flowctrl = 1; |
| | | break; |
| | | case 'H': |
| | | case 'h': |
| | | comport->flowctrl = 2; |
| | | break; |
| | | case 'B': |
| | | case 'b': |
| | | comport->flowctrl = 3; |
| | | break; |
| | | case 'N': |
| | | case 'n': |
| | | default: |
| | | comport->flowctrl = 0; |
| | | break; |
| | | } |
| | | } |
| | | |
| | | void comport_close(st_comport * comport) |
| | | { |
| | | if (0 != comport->fd) |
| | | { |
| | | COM_PRINT("Close device \"%s\"\n", comport->dev_name); |
| | | close(comport->fd); |
| | | } |
| | | |
| | | comport->fd = -1; |
| | | } |
| | | |
| | | void comport_term(st_comport * comport) |
| | | { |
| | | if(NULL == comport) |
| | | return; |
| | | |
| | | if ( comport->fd > 0 ) |
| | | { |
| | | comport_close(comport); |
| | | } |
| | | |
| | | memset(comport, 0x00, sizeof(st_comport)); |
| | | free(comport); |
| | | |
| | | return; |
| | | } |
| | | |
| | | int comport_open(st_comport * comport) |
| | | { |
| | | int retval = -1; |
| | | struct termios old_cfg, new_cfg; |
| | | int old_flags; |
| | | long tmp; |
| | | |
| | | if(NULL==comport) |
| | | return -1; |
| | | |
| | | comport_close(comport); |
| | | |
| | | /* Not a TTY device */ |
| | | if( !strstr(comport->dev_name, "tty")) |
| | | { |
| | | COM_PRINT("Open Not tty device \"%s\"\n", comport->dev_name); |
| | | comport->fd = open(comport->dev_name, O_RDWR); |
| | | retval = comport->fd<0 ? -2 : comport->fd; |
| | | goto CleanUp; |
| | | } |
| | | |
| | | comport->fd = open(comport->dev_name, O_RDWR | O_NOCTTY | O_NONBLOCK); |
| | | if (comport->fd < 0) |
| | | { |
| | | retval = -3; |
| | | goto CleanUp; |
| | | } |
| | | COM_PRINT("Open device \"%s\"\n", comport->dev_name); |
| | | |
| | | if ((-1 != (old_flags = fcntl(comport->fd, F_GETFL, 0))) |
| | | && (-1 != fcntl(comport->fd, F_SETFL, old_flags & ~O_NONBLOCK))) |
| | | { |
| | | // Flush input and output |
| | | if (-1 == tcflush(comport->fd, TCIOFLUSH)) |
| | | { |
| | | retval = -4; |
| | | goto CleanUp; |
| | | } |
| | | } |
| | | else // Failure |
| | | { |
| | | retval = -5; |
| | | goto CleanUp; |
| | | } |
| | | |
| | | if (0 != tcgetattr(comport->fd, &old_cfg)) |
| | | { |
| | | retval = -6; // Failed to get Com settings |
| | | goto CleanUp; |
| | | } |
| | | |
| | | memset(&new_cfg, 0, sizeof(new_cfg)); |
| | | |
| | | /*=====================================*/ |
| | | /* Configure comport */ |
| | | /*=====================================*/ |
| | | |
| | | new_cfg.c_cflag &= ~CSIZE; |
| | | new_cfg.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); |
| | | new_cfg.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); |
| | | new_cfg.c_oflag &= ~(OPOST); |
| | | |
| | | /* Set the data bit */ |
| | | switch (comport->databit) |
| | | { |
| | | case 0x07: |
| | | new_cfg.c_cflag |= CS7; |
| | | break; |
| | | case 0x06: |
| | | new_cfg.c_cflag |= CS6; |
| | | break; |
| | | case 0x05: |
| | | new_cfg.c_cflag |= CS5; |
| | | break; |
| | | default: |
| | | new_cfg.c_cflag |= CS8; |
| | | break; |
| | | } |
| | | |
| | | /* Set the parity */ |
| | | switch (comport->parity) |
| | | { |
| | | case 0x01: // Odd |
| | | new_cfg.c_cflag |= (PARENB | PARODD); |
| | | new_cfg.c_cflag |= (INPCK | ISTRIP); |
| | | break; |
| | | case 0x02: // Even |
| | | new_cfg.c_cflag |= PARENB; |
| | | new_cfg.c_cflag &= ~PARODD;; |
| | | new_cfg.c_cflag |= (INPCK | ISTRIP); |
| | | break; |
| | | case 0x03: |
| | | new_cfg.c_cflag &= ~PARENB; |
| | | new_cfg.c_cflag &= ~CSTOPB; |
| | | break; |
| | | default: |
| | | new_cfg.c_cflag &= ~PARENB; |
| | | } |
| | | |
| | | /* Set Stop bit */ |
| | | if (0x01 != comport->stopbit) |
| | | { |
| | | new_cfg.c_cflag |= CSTOPB; |
| | | } |
| | | else |
| | | { |
| | | new_cfg.c_cflag &= ~CSTOPB; |
| | | } |
| | | |
| | | /* Set flow control */ |
| | | switch (comport->flowctrl) |
| | | { |
| | | case 1: // Software control |
| | | case 3: |
| | | new_cfg.c_cflag &= ~(CRTSCTS); |
| | | new_cfg.c_iflag |= (IXON | IXOFF); |
| | | break; |
| | | case 2: // Hardware control |
| | | new_cfg.c_cflag |= CRTSCTS; // Also called CRTSCTS |
| | | new_cfg.c_iflag &= ~(IXON | IXOFF); |
| | | break; |
| | | default: // NONE |
| | | new_cfg.c_cflag &= ~(CRTSCTS); |
| | | new_cfg.c_iflag &= ~(IXON | IXOFF); |
| | | break; |
| | | } |
| | | |
| | | /* Set baudrate */ |
| | | switch (comport->baudrate) |
| | | { |
| | | case 115200: |
| | | tmp = B115200; |
| | | break; |
| | | case 57600: |
| | | tmp = B57600; |
| | | break; |
| | | case 38400: |
| | | tmp = B38400; |
| | | break; |
| | | case 19200: |
| | | tmp = B19200; |
| | | break; |
| | | case 9600: |
| | | tmp = B9600; |
| | | break; |
| | | case 4800: |
| | | tmp = B4800; |
| | | break; |
| | | case 2400: |
| | | tmp = B2400; |
| | | break; |
| | | case 1800: |
| | | tmp = B1800; |
| | | break; |
| | | case 1200: |
| | | tmp = B1200; |
| | | break; |
| | | case 600: |
| | | tmp = B600; |
| | | break; |
| | | case 300: |
| | | tmp = B300; |
| | | break; |
| | | case 200: |
| | | tmp = B200; |
| | | break; |
| | | case 150: |
| | | tmp = B150; |
| | | break; |
| | | case 134: |
| | | tmp = B134; |
| | | break; |
| | | case 110: |
| | | tmp = B110; |
| | | break; |
| | | case 75: |
| | | tmp = B75; |
| | | break; |
| | | case 50: |
| | | tmp = B50; |
| | | break; |
| | | default: |
| | | tmp = B115200; |
| | | } |
| | | cfsetispeed(&new_cfg, tmp); |
| | | cfsetispeed(&new_cfg, tmp); |
| | | |
| | | /* Set the Com port timeout settings */ |
| | | new_cfg.c_cc[VMIN] = 0; |
| | | new_cfg.c_cc[VTIME] = 0; |
| | | |
| | | tcflush(comport->fd, TCIFLUSH); |
| | | if (0 != tcsetattr(comport->fd, TCSANOW, &new_cfg)) |
| | | { |
| | | retval = -7; // Failed to set device com port settings |
| | | goto CleanUp; |
| | | } |
| | | |
| | | COM_PRINT("Connected device \"%s\".\n", comport->dev_name); |
| | | |
| | | retval = comport->fd; |
| | | |
| | | CleanUp: |
| | | COM_PRINT("Open device \"%s\" %s.\n", comport->dev_name, retval>0 ? "successfully" : "failure"); |
| | | return retval; |
| | | } |
| | | |
| | | |
| | | int comport_recv(st_comport * comport, char *buf, int buf_size, unsigned long timeout) |
| | | { |
| | | int retval = 0; // Function return value |
| | | int iRet; |
| | | fd_set stReadFds, stExcpFds; |
| | | struct timeval stTime; |
| | | |
| | | if (NULL == buf || 0 >= buf_size) |
| | | { |
| | | COM_PRINT("%s() usage error.\n", __FUNCTION__); |
| | | retval = -1; |
| | | goto CleanUp; |
| | | } |
| | | |
| | | if ( comport->fd < 0 ) |
| | | { |
| | | COM_PRINT("%s() comport not connected.\n", __FUNCTION__); |
| | | retval = -2; |
| | | goto CleanUp; |
| | | } |
| | | |
| | | //printf("bufsize=%d timeout=%lu\n", buf_size, timeout); |
| | | |
| | | FD_ZERO(&stReadFds); |
| | | FD_ZERO(&stExcpFds); |
| | | FD_SET(comport->fd, &stReadFds); |
| | | FD_SET(comport->fd, &stExcpFds); |
| | | |
| | | if (0xFFFFFFFF != timeout) |
| | | { |
| | | stTime.tv_sec = (time_t) (timeout / 1000); |
| | | stTime.tv_usec = (long)(1000 * (timeout % 1000)); |
| | | |
| | | iRet = select(comport->fd + 1, &stReadFds, 0, &stExcpFds, &stTime); |
| | | if (0 == iRet) |
| | | { |
| | | retval = 0; // No data in Com port buffer |
| | | goto CleanUp; |
| | | } |
| | | else if (0 < iRet) |
| | | { |
| | | if (0 != FD_ISSET(comport->fd, &stExcpFds)) |
| | | { |
| | | retval = -6; // Error during checking recv status |
| | | COM_PRINT("Error checking recv status.\n"); |
| | | goto CleanUp; |
| | | } |
| | | |
| | | if (0 == FD_ISSET(comport->fd, &stReadFds)) |
| | | { |
| | | retval = 0; // No incoming data |
| | | COM_PRINT("No incoming data.\n"); |
| | | goto CleanUp; |
| | | } |
| | | } |
| | | else |
| | | { |
| | | if (EINTR == errno) |
| | | { |
| | | COM_PRINT("catch interrupt signal.\n"); |
| | | retval = 0; // Interrupted signal catched |
| | | } |
| | | else |
| | | { |
| | | COM_PRINT("Check recv status failure.\n"); |
| | | retval = -7; // Error during checking recv status |
| | | } |
| | | |
| | | goto CleanUp; |
| | | } |
| | | } |
| | | |
| | | usleep(10000); /* sleep for 10ms for data incoming */ |
| | | |
| | | // Get data from Com port |
| | | iRet = read(comport->fd, buf, buf_size); |
| | | if (0 > iRet) |
| | | { |
| | | if (EINTR == errno) |
| | | retval = 0; // Interrupted signal catched |
| | | else |
| | | retval = -3; // Failed to read Com port |
| | | |
| | | goto CleanUp; |
| | | } |
| | | |
| | | #if 0 |
| | | { |
| | | int i=0; |
| | | printf("Receive %d bytes data: \n", iRet); |
| | | for(i=0; i<iRet; i++) |
| | | { |
| | | printf("0x%02x ", buf[i]); |
| | | } |
| | | printf("\n"); |
| | | } |
| | | #endif |
| | | |
| | | retval = iRet; |
| | | |
| | | CleanUp: |
| | | return retval; |
| | | |
| | | } |
| | | |
| | | int comport_send(st_comport * comport, char *buf, int send_bytes) |
| | | { |
| | | char *ptr, *end; |
| | | int retval = 0; |
| | | int send = 0; |
| | | |
| | | if (NULL == buf || 0 >= send_bytes) |
| | | { |
| | | COM_PRINT("%s() Usage error.\n", __FUNCTION__); |
| | | retval = -1; |
| | | goto CleanUp; |
| | | } |
| | | |
| | | if ( comport->fd < 0 ) // Comport not opened ? |
| | | { |
| | | retval = -3; |
| | | COM_PRINT("Serail not connected.\n"); |
| | | goto CleanUp; |
| | | } |
| | | |
| | | //printf("Send %s with %d bytes.\n", buf, send_bytes); |
| | | |
| | | // Large data, then slice them and send |
| | | if (comport->frag_size < send_bytes) |
| | | { |
| | | ptr = buf; |
| | | end = buf + send_bytes; |
| | | |
| | | do |
| | | { |
| | | // Large than frag_size |
| | | if (comport->frag_size < (end - ptr)) |
| | | { |
| | | send = write(comport->fd, ptr, comport->frag_size); |
| | | if (0 >= send || comport->frag_size != send) |
| | | { |
| | | retval = -4; |
| | | goto CleanUp; |
| | | } |
| | | ptr += comport->frag_size; |
| | | } |
| | | else // Less than frag_size, maybe last fragmention. |
| | | { |
| | | send = write(comport->fd, ptr, (end - ptr)); |
| | | if (0 >= send || (end - ptr) != send) |
| | | { |
| | | retval = -4; |
| | | goto CleanUp; |
| | | } |
| | | ptr += (end - ptr); |
| | | } |
| | | } |
| | | while (ptr < end); |
| | | } |
| | | else // The send data is not large than a fragmention. |
| | | { |
| | | send = write(comport->fd, buf, send_bytes); |
| | | if (0 >= send || send_bytes != send) |
| | | { |
| | | retval = -5; |
| | | goto CleanUp; |
| | | } |
| | | } |
| | | |
| | | CleanUp: |
| | | return retval; |
| | | } |
| | | |
New file |
| | |
| | | /********************************************************************************* |
| | | * Copyright: (C) 2018 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: comport.h |
| | | * Description: This head file is for the common TTY/Serial port operator library |
| | | * |
| | | * Version: 1.0.0(10/17/2018~) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "10/17/2018 03:33:25 PM" |
| | | * |
| | | ********************************************************************************/ |
| | | #ifndef __COMPORT_H_ |
| | | #define __COMPORT_H_ |
| | | |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <unistd.h> |
| | | #include <string.h> |
| | | #include <getopt.h> |
| | | #include <fcntl.h> |
| | | #include <errno.h> |
| | | #include <termios.h> |
| | | #include <sys/stat.h> |
| | | #include <sys/wait.h> |
| | | #include <sys/types.h> |
| | | #include <sys/stat.h> |
| | | #include <sys/select.h> |
| | | |
| | | #define BUF_64 64 |
| | | |
| | | #ifndef DEVNAME_LEN |
| | | #define DEVNAME_LEN 64 |
| | | #endif |
| | | |
| | | //#define COM_DEBUG |
| | | #ifdef COM_DEBUG |
| | | #define COM_PRINT(format,args...) printf(format, ##args) |
| | | #else |
| | | #define COM_PRINT(format,args...) do{} while(0); |
| | | #endif |
| | | |
| | | //#define msleep(m) {struct timespec cSleep; cSleep.tv_sec = 0; cSleep.tv_nsec = m * 1000; nanosleep(&cSleep, 0);} |
| | | |
| | | typedef struct _st_comport |
| | | { |
| | | char dev_name[DEVNAME_LEN]; |
| | | unsigned char databit, parity, stopbit, flowctrl; |
| | | long baudrate; |
| | | |
| | | int fd; |
| | | int frag_size; |
| | | } st_comport; |
| | | |
| | | /* |
| | | * description: initialise the comport structure |
| | | * |
| | | * input args: $dev_name: The comport device name path, such as '/dev/ttyS3' |
| | | * $baudrate: The baudrate, such as 115200 |
| | | * $settings: The databit,parity,stopbit,flowctrl settings, such as '8N1N' |
| | | * |
| | | * return value: The st_comport structure pointer, NULL means failure. |
| | | */ |
| | | |
| | | st_comport *comport_init(const char *dev_name, int baudrate, const char *settings); |
| | | |
| | | |
| | | /* |
| | | * description: Open the comport specified by $comport |
| | | * input args: $comport: corresponding comport point |
| | | * return value: The comport opened file description, <0 means failure |
| | | */ |
| | | extern int comport_open(st_comport * comport); |
| | | |
| | | /* |
| | | * description: read data from $comport in $timeout <ms> to $buf no more than $buf_size bytes |
| | | * return value: the actual read data bytes, <0: read failure |
| | | */ |
| | | extern int comport_recv(st_comport * comport, char *buf, int buf_size, unsigned long timeout); |
| | | |
| | | /* |
| | | * description: write $send_bytes bytes data from $buf to $comport |
| | | * return value: 0: write ok <0: write failure |
| | | */ |
| | | extern int comport_send(st_comport * comport, char *buf, int send_bytes); |
| | | |
| | | /* |
| | | * description: display current comport settings such as databit,parity,stopbit,flowctrl |
| | | * input args: $comport: corresponding comport point |
| | | */ |
| | | //extern void disp_settings(st_comport * comport); |
| | | |
| | | /* |
| | | * description: close comport |
| | | * input args: $comport: corresponding comport point |
| | | */ |
| | | extern void comport_close(st_comport * comport); |
| | | |
| | | |
| | | /* |
| | | * description: terminat comport, close and free it |
| | | * input args: $comport: corresponding comport point |
| | | */ |
| | | extern void comport_term(st_comport * comport); |
| | | |
| | | #endif |
New file |
| | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @file ini_dictionary.c |
| | | @author N. Devillard |
| | | @brief Implements a dictionary for string variables. |
| | | |
| | | This module implements a simple dictionary object, i.e. a list |
| | | of string/string associations. This object is useful to store e.g. |
| | | informations retrieved from a configuration file (ini files). |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | Includes |
| | | ---------------------------------------------------------------------------*/ |
| | | #include "ini_dictionary.h" |
| | | |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | #include <unistd.h> |
| | | |
| | | /** Maximum value size for integers and doubles. */ |
| | | #define MAXVALSZ 1024 |
| | | |
| | | /** Minimal allocated number of entries in a dictionary */ |
| | | #define DICTMINSZ 128 |
| | | |
| | | /** Invalid key token */ |
| | | #define DICT_INVALID_KEY ((char*)-1) |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | Private functions |
| | | ---------------------------------------------------------------------------*/ |
| | | |
| | | /* Doubles the allocated size associated to a pointer */ |
| | | /* 'size' is the current allocated size. */ |
| | | static void * mem_double(void * ptr, int size) |
| | | { |
| | | void * newptr ; |
| | | |
| | | newptr = calloc(2*size, 1); |
| | | if (newptr==NULL) { |
| | | return NULL ; |
| | | } |
| | | memcpy(newptr, ptr, size); |
| | | free(ptr); |
| | | return newptr ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Duplicate a string |
| | | @param s String to duplicate |
| | | @return Pointer to a newly allocated string, to be freed with free() |
| | | |
| | | This is a replacement for strdup(). This implementation is provided |
| | | for systems that do not have it. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | static char * xstrdup(const char * s) |
| | | { |
| | | char * t ; |
| | | if (!s) |
| | | return NULL ; |
| | | t = (char*)malloc(strlen(s)+1) ; |
| | | if (t) { |
| | | strcpy(t,s); |
| | | } |
| | | return t ; |
| | | } |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | Function codes |
| | | ---------------------------------------------------------------------------*/ |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Compute the hash key for a string. |
| | | @param key Character string to use for key. |
| | | @return 1 unsigned int on at least 32 bits. |
| | | |
| | | This hash function has been taken from an Article in Dr Dobbs Journal. |
| | | This is normally a collision-free function, distributing keys evenly. |
| | | The key is stored anyway in the struct so that collision can be avoided |
| | | by comparing the key itself in last resort. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | unsigned dictionary_hash(const char * key) |
| | | { |
| | | int len ; |
| | | unsigned hash ; |
| | | int i ; |
| | | |
| | | len = strlen(key); |
| | | for (hash=0, i=0 ; i<len ; i++) { |
| | | hash += (unsigned)key[i] ; |
| | | hash += (hash<<10); |
| | | hash ^= (hash>>6) ; |
| | | } |
| | | hash += (hash <<3); |
| | | hash ^= (hash >>11); |
| | | hash += (hash <<15); |
| | | return hash ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Create a new dictionary object. |
| | | @param size Optional initial size of the dictionary. |
| | | @return 1 newly allocated dictionary objet. |
| | | |
| | | This function allocates a new dictionary object of given size and returns |
| | | it. If you do not know in advance (roughly) the number of entries in the |
| | | dictionary, give size=0. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | dictionary * dictionary_new(int size) |
| | | { |
| | | dictionary * d ; |
| | | |
| | | /* If no size was specified, allocate space for DICTMINSZ */ |
| | | if (size<DICTMINSZ) size=DICTMINSZ ; |
| | | |
| | | if (!(d = (dictionary *)calloc(1, sizeof(dictionary)))) { |
| | | return NULL; |
| | | } |
| | | d->size = size ; |
| | | d->val = (char **)calloc(size, sizeof(char*)); |
| | | d->key = (char **)calloc(size, sizeof(char*)); |
| | | d->hash = (unsigned int *)calloc(size, sizeof(unsigned)); |
| | | return d ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Delete a dictionary object |
| | | @param d dictionary object to deallocate. |
| | | @return void |
| | | |
| | | Deallocate a dictionary object and all memory associated to it. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void dictionary_del(dictionary * d) |
| | | { |
| | | int i ; |
| | | |
| | | if (d==NULL) return ; |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]!=NULL) |
| | | free(d->key[i]); |
| | | if (d->val[i]!=NULL) |
| | | free(d->val[i]); |
| | | } |
| | | free(d->val); |
| | | free(d->key); |
| | | free(d->hash); |
| | | free(d); |
| | | return ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get a value from a dictionary. |
| | | @param d dictionary object to search. |
| | | @param key Key to look for in the dictionary. |
| | | @param def Default value to return if key not found. |
| | | @return 1 pointer to internally allocated character string. |
| | | |
| | | This function locates a key in a dictionary and returns a pointer to its |
| | | value, or the passed 'def' pointer if no such key can be found in |
| | | dictionary. The returned character pointer points to data internal to the |
| | | dictionary object, you should not try to free it or modify it. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | char * dictionary_get(dictionary * d, const char * key, char * def) |
| | | { |
| | | unsigned hash ; |
| | | int i ; |
| | | |
| | | hash = dictionary_hash(key); |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]==NULL) |
| | | continue ; |
| | | /* Compare hash */ |
| | | if (hash==d->hash[i]) { |
| | | /* Compare string, to avoid hash collisions */ |
| | | if (!strcmp(key, d->key[i])) { |
| | | return d->val[i] ; |
| | | } |
| | | } |
| | | } |
| | | return def ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Set a value in a dictionary. |
| | | @param d dictionary object to modify. |
| | | @param key Key to modify or add. |
| | | @param val Value to add. |
| | | @return int 0 if Ok, anything else otherwise |
| | | |
| | | If the given key is found in the dictionary, the associated value is |
| | | replaced by the provided one. If the key cannot be found in the |
| | | dictionary, it is added to it. |
| | | |
| | | It is Ok to provide a NULL value for val, but NULL values for the dictionary |
| | | or the key are considered as errors: the function will return immediately |
| | | in such a case. |
| | | |
| | | Notice that if you dictionary_set a variable to NULL, a call to |
| | | dictionary_get will return a NULL value: the variable will be found, and |
| | | its value (NULL) is returned. In other words, setting the variable |
| | | content to NULL is equivalent to deleting the variable from the |
| | | dictionary. It is not possible (in this implementation) to have a key in |
| | | the dictionary without value. |
| | | |
| | | This function returns non-zero in case of failure. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int dictionary_set(dictionary * d, const char * key, const char * val) |
| | | { |
| | | int i ; |
| | | unsigned hash ; |
| | | |
| | | if (d==NULL || key==NULL) return -1 ; |
| | | |
| | | /* Compute hash for this key */ |
| | | hash = dictionary_hash(key) ; |
| | | /* Find if value is already in dictionary */ |
| | | if (d->n>0) { |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]==NULL) |
| | | continue ; |
| | | if (hash==d->hash[i]) { /* Same hash value */ |
| | | if (!strcmp(key, d->key[i])) { /* Same key */ |
| | | /* Found a value: modify and return */ |
| | | if (d->val[i]!=NULL) |
| | | free(d->val[i]); |
| | | d->val[i] = val ? xstrdup(val) : NULL ; |
| | | /* Value has been modified: return */ |
| | | return 0 ; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | /* Add a new value */ |
| | | /* See if dictionary needs to grow */ |
| | | if (d->n==d->size) { |
| | | |
| | | /* Reached maximum size: reallocate dictionary */ |
| | | d->val = (char **)mem_double(d->val, d->size * sizeof(char*)) ; |
| | | d->key = (char **)mem_double(d->key, d->size * sizeof(char*)) ; |
| | | d->hash = (unsigned int *)mem_double(d->hash, d->size * sizeof(unsigned)) ; |
| | | if ((d->val==NULL) || (d->key==NULL) || (d->hash==NULL)) { |
| | | /* Cannot grow dictionary */ |
| | | return -1 ; |
| | | } |
| | | /* Double size */ |
| | | d->size *= 2 ; |
| | | } |
| | | |
| | | /* Insert key in the first empty slot. Start at d->n and wrap at |
| | | d->size. Because d->n < d->size this will necessarily |
| | | terminate. */ |
| | | for (i=d->n ; d->key[i] ; ) { |
| | | if(++i == d->size) i = 0; |
| | | } |
| | | /* Copy key */ |
| | | d->key[i] = xstrdup(key); |
| | | d->val[i] = val ? xstrdup(val) : NULL ; |
| | | d->hash[i] = hash; |
| | | d->n ++ ; |
| | | return 0 ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Delete a key in a dictionary |
| | | @param d dictionary object to modify. |
| | | @param key Key to remove. |
| | | @return void |
| | | |
| | | This function deletes a key in a dictionary. Nothing is done if the |
| | | key cannot be found. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void dictionary_unset(dictionary * d, const char * key) |
| | | { |
| | | unsigned hash ; |
| | | int i ; |
| | | |
| | | if (key == NULL) { |
| | | return; |
| | | } |
| | | |
| | | hash = dictionary_hash(key); |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]==NULL) |
| | | continue ; |
| | | /* Compare hash */ |
| | | if (hash==d->hash[i]) { |
| | | /* Compare string, to avoid hash collisions */ |
| | | if (!strcmp(key, d->key[i])) { |
| | | /* Found key */ |
| | | break ; |
| | | } |
| | | } |
| | | } |
| | | if (i>=d->size) |
| | | /* Key not found */ |
| | | return ; |
| | | |
| | | free(d->key[i]); |
| | | d->key[i] = NULL ; |
| | | if (d->val[i]!=NULL) { |
| | | free(d->val[i]); |
| | | d->val[i] = NULL ; |
| | | } |
| | | d->hash[i] = 0 ; |
| | | d->n -- ; |
| | | return ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Dump a dictionary to an opened file pointer. |
| | | @param d Dictionary to dump |
| | | @param f Opened file pointer. |
| | | @return void |
| | | |
| | | Dumps a dictionary onto an opened file pointer. Key pairs are printed out |
| | | as @c [Key]=[Value], one per line. It is Ok to provide stdout or stderr as |
| | | output file pointers. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void dictionary_dump(dictionary * d, FILE * out) |
| | | { |
| | | int i ; |
| | | |
| | | if (d==NULL || out==NULL) return ; |
| | | if (d->n<1) { |
| | | fprintf(out, "empty dictionary\n"); |
| | | return ; |
| | | } |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]) { |
| | | fprintf(out, "%20s\t[%s]\n", |
| | | d->key[i], |
| | | d->val[i] ? d->val[i] : "UNDEF"); |
| | | } |
| | | } |
| | | return ; |
| | | } |
| | | |
| | | |
| | | /* Test code */ |
| | | #ifdef TESTDIC |
| | | #define NVALS 20000 |
| | | int main(int argc, char *argv[]) |
| | | { |
| | | dictionary * d ; |
| | | char * val ; |
| | | int i ; |
| | | char cval[90] ; |
| | | |
| | | /* Allocate dictionary */ |
| | | printf("allocating...\n"); |
| | | d = dictionary_new(0); |
| | | |
| | | /* Set values in dictionary */ |
| | | printf("setting %d values...\n", NVALS); |
| | | for (i=0 ; i<NVALS ; i++) { |
| | | sprintf(cval, "%04d", i); |
| | | dictionary_set(d, cval, "salut"); |
| | | } |
| | | printf("getting %d values...\n", NVALS); |
| | | for (i=0 ; i<NVALS ; i++) { |
| | | sprintf(cval, "%04d", i); |
| | | val = dictionary_get(d, cval, DICT_INVALID_KEY); |
| | | if (val==DICT_INVALID_KEY) { |
| | | printf("cannot get value for key [%s]\n", cval); |
| | | } |
| | | } |
| | | printf("unsetting %d values...\n", NVALS); |
| | | for (i=0 ; i<NVALS ; i++) { |
| | | sprintf(cval, "%04d", i); |
| | | dictionary_unset(d, cval); |
| | | } |
| | | if (d->n != 0) { |
| | | printf("error deleting values\n"); |
| | | } |
| | | printf("deallocating...\n"); |
| | | dictionary_del(d); |
| | | return 0 ; |
| | | } |
| | | #endif |
| | | /* vim: set ts=4 et sw=4 tw=75 */ |
New file |
| | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @file ini_dictionary.h |
| | | @author N. Devillard |
| | | @brief Implements a dictionary for string variables. |
| | | |
| | | This module implements a simple dictionary object, i.e. a list |
| | | of string/string associations. This object is useful to store e.g. |
| | | informations retrieved from a configuration file (ini files). |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | |
| | | #ifndef _INI_DICTIONARY_H_ |
| | | #define _INI_DICTIONARY_H_ |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | Includes |
| | | ---------------------------------------------------------------------------*/ |
| | | |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | #include <unistd.h> |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | New types |
| | | ---------------------------------------------------------------------------*/ |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Dictionary object |
| | | |
| | | This object contains a list of string/string associations. Each |
| | | association is identified by a unique string key. Looking up values |
| | | in the dictionary is speeded up by the use of a (hopefully collision-free) |
| | | hash function. |
| | | */ |
| | | /*-------------------------------------------------------------------------*/ |
| | | typedef struct _dictionary_ { |
| | | int n ; /** Number of entries in dictionary */ |
| | | int size ; /** Storage size */ |
| | | char ** val ; /** List of string values */ |
| | | char ** key ; /** List of string keys */ |
| | | unsigned * hash ; /** List of hash values for keys */ |
| | | } dictionary ; |
| | | |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | Function prototypes |
| | | ---------------------------------------------------------------------------*/ |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Compute the hash key for a string. |
| | | @param key Character string to use for key. |
| | | @return 1 unsigned int on at least 32 bits. |
| | | |
| | | This hash function has been taken from an Article in Dr Dobbs Journal. |
| | | This is normally a collision-free function, distributing keys evenly. |
| | | The key is stored anyway in the struct so that collision can be avoided |
| | | by comparing the key itself in last resort. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | unsigned dictionary_hash(const char * key); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Create a new dictionary object. |
| | | @param size Optional initial size of the dictionary. |
| | | @return 1 newly allocated dictionary objet. |
| | | |
| | | This function allocates a new dictionary object of given size and returns |
| | | it. If you do not know in advance (roughly) the number of entries in the |
| | | dictionary, give size=0. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | dictionary * dictionary_new(int size); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Delete a dictionary object |
| | | @param d dictionary object to deallocate. |
| | | @return void |
| | | |
| | | Deallocate a dictionary object and all memory associated to it. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void dictionary_del(dictionary * vd); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get a value from a dictionary. |
| | | @param d dictionary object to search. |
| | | @param key Key to look for in the dictionary. |
| | | @param def Default value to return if key not found. |
| | | @return 1 pointer to internally allocated character string. |
| | | |
| | | This function locates a key in a dictionary and returns a pointer to its |
| | | value, or the passed 'def' pointer if no such key can be found in |
| | | dictionary. The returned character pointer points to data internal to the |
| | | dictionary object, you should not try to free it or modify it. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | char * dictionary_get(dictionary * d, const char * key, char * def); |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Set a value in a dictionary. |
| | | @param d dictionary object to modify. |
| | | @param key Key to modify or add. |
| | | @param val Value to add. |
| | | @return int 0 if Ok, anything else otherwise |
| | | |
| | | If the given key is found in the dictionary, the associated value is |
| | | replaced by the provided one. If the key cannot be found in the |
| | | dictionary, it is added to it. |
| | | |
| | | It is Ok to provide a NULL value for val, but NULL values for the dictionary |
| | | or the key are considered as errors: the function will return immediately |
| | | in such a case. |
| | | |
| | | Notice that if you dictionary_set a variable to NULL, a call to |
| | | dictionary_get will return a NULL value: the variable will be found, and |
| | | its value (NULL) is returned. In other words, setting the variable |
| | | content to NULL is equivalent to deleting the variable from the |
| | | dictionary. It is not possible (in this implementation) to have a key in |
| | | the dictionary without value. |
| | | |
| | | This function returns non-zero in case of failure. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int dictionary_set(dictionary * vd, const char * key, const char * val); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Delete a key in a dictionary |
| | | @param d dictionary object to modify. |
| | | @param key Key to remove. |
| | | @return void |
| | | |
| | | This function deletes a key in a dictionary. Nothing is done if the |
| | | key cannot be found. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void dictionary_unset(dictionary * d, const char * key); |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Dump a dictionary to an opened file pointer. |
| | | @param d Dictionary to dump |
| | | @param f Opened file pointer. |
| | | @return void |
| | | |
| | | Dumps a dictionary onto an opened file pointer. Key pairs are printed out |
| | | as @c [Key]=[Value], one per line. It is Ok to provide stdout or stderr as |
| | | output file pointers. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void dictionary_dump(dictionary * d, FILE * out); |
| | | |
| | | #endif |
New file |
| | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @file iniparser.c |
| | | @author N. Devillard |
| | | @brief Parser for ini files. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | /*---------------------------- Includes ------------------------------------*/ |
| | | #include <ctype.h> |
| | | #include "iniparser.h" |
| | | |
| | | /*---------------------------- Defines -------------------------------------*/ |
| | | #define ASCIILINESZ (1024) |
| | | #define INI_INVALID_KEY ((char*)-1) |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | Private to this module |
| | | ---------------------------------------------------------------------------*/ |
| | | /** |
| | | * This enum stores the status for each parsed line (internal use only). |
| | | */ |
| | | typedef enum _line_status_ { |
| | | LINE_UNPROCESSED, |
| | | LINE_ERROR, |
| | | LINE_EMPTY, |
| | | LINE_COMMENT, |
| | | LINE_SECTION, |
| | | LINE_VALUE |
| | | } line_status ; |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Convert a string to lowercase. |
| | | @param s String to convert. |
| | | @return ptr to statically allocated string. |
| | | |
| | | This function returns a pointer to a statically allocated string |
| | | containing a lowercased version of the input string. Do not free |
| | | or modify the returned string! Since the returned string is statically |
| | | allocated, it will be modified at each function call (not re-entrant). |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | static char * strlwc(const char * s) |
| | | { |
| | | static char l[ASCIILINESZ+1]; |
| | | int i ; |
| | | |
| | | if (s==NULL) return NULL ; |
| | | memset(l, 0, ASCIILINESZ+1); |
| | | i=0 ; |
| | | while (s[i] && i<ASCIILINESZ) { |
| | | l[i] = (char)tolower((int)s[i]); |
| | | i++ ; |
| | | } |
| | | l[ASCIILINESZ]=(char)0; |
| | | return l ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Remove blanks at the beginning and the end of a string. |
| | | @param s String to parse. |
| | | @return ptr to statically allocated string. |
| | | |
| | | This function returns a pointer to a statically allocated string, |
| | | which is identical to the input string, except that all blank |
| | | characters at the end and the beg. of the string have been removed. |
| | | Do not free or modify the returned string! Since the returned string |
| | | is statically allocated, it will be modified at each function call |
| | | (not re-entrant). |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | static char * strstrip(const char * s) |
| | | { |
| | | static char l[ASCIILINESZ+1]; |
| | | char * last ; |
| | | |
| | | if (s==NULL) return NULL ; |
| | | |
| | | while (isspace((int)*s) && *s) s++; |
| | | memset(l, 0, ASCIILINESZ+1); |
| | | strcpy(l, s); |
| | | last = l + strlen(l); |
| | | while (last > l) { |
| | | if (!isspace((int)*(last-1))) |
| | | break ; |
| | | last -- ; |
| | | } |
| | | *last = (char)0; |
| | | return (char*)l ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get number of sections in a dictionary |
| | | @param d Dictionary to examine |
| | | @return int Number of sections found in dictionary |
| | | |
| | | This function returns the number of sections found in a dictionary. |
| | | The test to recognize sections is done on the string stored in the |
| | | dictionary: a section name is given as "section" whereas a key is |
| | | stored as "section:key", thus the test looks for entries that do not |
| | | contain a colon. |
| | | |
| | | This clearly fails in the case a section name contains a colon, but |
| | | this should simply be avoided. |
| | | |
| | | This function returns -1 in case of error. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_getnsec(dictionary * d) |
| | | { |
| | | int i ; |
| | | int nsec ; |
| | | |
| | | if (d==NULL) return -1 ; |
| | | nsec=0 ; |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]==NULL) |
| | | continue ; |
| | | if (strchr(d->key[i], ':')==NULL) { |
| | | nsec ++ ; |
| | | } |
| | | } |
| | | return nsec ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get name for section n in a dictionary. |
| | | @param d Dictionary to examine |
| | | @param n Section number (from 0 to nsec-1). |
| | | @return Pointer to char string |
| | | |
| | | This function locates the n-th section in a dictionary and returns |
| | | its name as a pointer to a string statically allocated inside the |
| | | dictionary. Do not free or modify the returned string! |
| | | |
| | | This function returns NULL in case of error. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | char * iniparser_getsecname(dictionary * d, int n) |
| | | { |
| | | int i ; |
| | | int foundsec ; |
| | | |
| | | if (d==NULL || n<0) return NULL ; |
| | | foundsec=0 ; |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]==NULL) |
| | | continue ; |
| | | if (strchr(d->key[i], ':')==NULL) { |
| | | foundsec++ ; |
| | | if (foundsec>n) |
| | | break ; |
| | | } |
| | | } |
| | | if (foundsec<=n) { |
| | | return NULL ; |
| | | } |
| | | return d->key[i] ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Dump a dictionary to an opened file pointer. |
| | | @param d Dictionary to dump. |
| | | @param f Opened file pointer to dump to. |
| | | @return void |
| | | |
| | | This function prints out the contents of a dictionary, one element by |
| | | line, onto the provided file pointer. It is OK to specify @c stderr |
| | | or @c stdout as output files. This function is meant for debugging |
| | | purposes mostly. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_dump(dictionary * d, FILE * f) |
| | | { |
| | | int i ; |
| | | |
| | | if (d==NULL || f==NULL) return ; |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]==NULL) |
| | | continue ; |
| | | if (d->val[i]!=NULL) { |
| | | fprintf(f, "[%s]=[%s]\n", d->key[i], d->val[i]); |
| | | } else { |
| | | fprintf(f, "[%s]=UNDEF\n", d->key[i]); |
| | | } |
| | | } |
| | | return ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Save a dictionary to a loadable ini file |
| | | @param d Dictionary to dump |
| | | @param f Opened file pointer to dump to |
| | | @return void |
| | | |
| | | This function dumps a given dictionary into a loadable ini file. |
| | | It is Ok to specify @c stderr or @c stdout as output files. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_dump_ini(dictionary * d, FILE * f) |
| | | { |
| | | int i ; |
| | | int nsec ; |
| | | char * secname ; |
| | | |
| | | if (d==NULL || f==NULL) return ; |
| | | |
| | | nsec = iniparser_getnsec(d); |
| | | if (nsec<1) { |
| | | /* No section in file: dump all keys as they are */ |
| | | for (i=0 ; i<d->size ; i++) { |
| | | if (d->key[i]==NULL) |
| | | continue ; |
| | | fprintf(f, "%s = %s\n", d->key[i], d->val[i]); |
| | | } |
| | | return ; |
| | | } |
| | | for (i=0 ; i<nsec ; i++) { |
| | | secname = iniparser_getsecname(d, i) ; |
| | | iniparser_dumpsection_ini(d, secname, f) ; |
| | | } |
| | | fprintf(f, "\n"); |
| | | return ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Save a dictionary section to a loadable ini file |
| | | @param d Dictionary to dump |
| | | @param s Section name of dictionary to dump |
| | | @param f Opened file pointer to dump to |
| | | @return void |
| | | |
| | | This function dumps a given section of a given dictionary into a loadable ini |
| | | file. It is Ok to specify @c stderr or @c stdout as output files. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_dumpsection_ini(dictionary * d, char * s, FILE * f) |
| | | { |
| | | int j ; |
| | | char keym[ASCIILINESZ+1]; |
| | | int seclen ; |
| | | |
| | | if (d==NULL || f==NULL) return ; |
| | | if (! iniparser_find_entry(d, s)) return ; |
| | | |
| | | seclen = (int)strlen(s); |
| | | fprintf(f, "\n[%s]\n", s); |
| | | sprintf(keym, "%s:", s); |
| | | for (j=0 ; j<d->size ; j++) { |
| | | if (d->key[j]==NULL) |
| | | continue ; |
| | | if (!strncmp(d->key[j], keym, seclen+1)) { |
| | | fprintf(f, |
| | | "%-30s = %s\n", |
| | | d->key[j]+seclen+1, |
| | | d->val[j] ? d->val[j] : ""); |
| | | } |
| | | } |
| | | fprintf(f, "\n"); |
| | | return ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the number of keys in a section of a dictionary. |
| | | @param d Dictionary to examine |
| | | @param s Section name of dictionary to examine |
| | | @return Number of keys in section |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_getsecnkeys(dictionary * d, char * s) |
| | | { |
| | | int seclen, nkeys ; |
| | | char keym[ASCIILINESZ+1]; |
| | | int j ; |
| | | |
| | | nkeys = 0; |
| | | |
| | | if (d==NULL) return nkeys; |
| | | if (! iniparser_find_entry(d, s)) return nkeys; |
| | | |
| | | seclen = (int)strlen(s); |
| | | sprintf(keym, "%s:", s); |
| | | |
| | | for (j=0 ; j<d->size ; j++) { |
| | | if (d->key[j]==NULL) |
| | | continue ; |
| | | if (!strncmp(d->key[j], keym, seclen+1)) |
| | | nkeys++; |
| | | } |
| | | |
| | | return nkeys; |
| | | |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the number of keys in a section of a dictionary. |
| | | @param d Dictionary to examine |
| | | @param s Section name of dictionary to examine |
| | | @return pointer to statically allocated character strings |
| | | |
| | | This function queries a dictionary and finds all keys in a given section. |
| | | Each pointer in the returned char pointer-to-pointer is pointing to |
| | | a string allocated in the dictionary; do not free or modify them. |
| | | |
| | | This function returns NULL in case of error. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | char ** iniparser_getseckeys(dictionary * d, char * s) |
| | | { |
| | | |
| | | char **keys; |
| | | |
| | | int i, j ; |
| | | char keym[ASCIILINESZ+1]; |
| | | int seclen, nkeys ; |
| | | |
| | | keys = NULL; |
| | | |
| | | if (d==NULL) return keys; |
| | | if (! iniparser_find_entry(d, s)) return keys; |
| | | |
| | | nkeys = iniparser_getsecnkeys(d, s); |
| | | |
| | | keys = (char**) malloc(nkeys*sizeof(char*)); |
| | | |
| | | seclen = (int)strlen(s); |
| | | sprintf(keym, "%s:", s); |
| | | |
| | | i = 0; |
| | | |
| | | for (j=0 ; j<d->size ; j++) { |
| | | if (d->key[j]==NULL) |
| | | continue ; |
| | | if (!strncmp(d->key[j], keym, seclen+1)) { |
| | | keys[i] = d->key[j]; |
| | | i++; |
| | | } |
| | | } |
| | | |
| | | return keys; |
| | | |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param def Default value to return if key not found. |
| | | @return pointer to statically allocated character string |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the pointer passed as 'def' is returned. |
| | | The returned char pointer is pointing to a string allocated in |
| | | the dictionary, do not free or modify it. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | char * iniparser_getstring(dictionary * d, const char * key, char * def) |
| | | { |
| | | char * lc_key ; |
| | | char * sval ; |
| | | |
| | | if (d==NULL || key==NULL) |
| | | return def ; |
| | | |
| | | lc_key = strlwc(key); |
| | | sval = dictionary_get(d, lc_key, def); |
| | | return sval ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key, convert to an int |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param notfound Value to return in case of error |
| | | @return integer |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the notfound value is returned. |
| | | |
| | | Supported values for integers include the usual C notation |
| | | so decimal, octal (starting with 0) and hexadecimal (starting with 0x) |
| | | are supported. Examples: |
| | | |
| | | "42" -> 42 |
| | | "042" -> 34 (octal -> decimal) |
| | | "0x42" -> 66 (hexa -> decimal) |
| | | |
| | | Warning: the conversion may overflow in various ways. Conversion is |
| | | totally outsourced to strtol(), see the associated man page for overflow |
| | | handling. |
| | | |
| | | Credits: Thanks to A. Becker for suggesting strtol() |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_getint(dictionary * d, const char * key, int notfound) |
| | | { |
| | | char * str ; |
| | | |
| | | str = iniparser_getstring(d, key, INI_INVALID_KEY); |
| | | if (str==INI_INVALID_KEY) return notfound ; |
| | | return (int)strtol(str, NULL, 0); |
| | | } |
| | | |
| | | int iniparser_getlong(dictionary * d, const char * key, int notfound) |
| | | { |
| | | char * str ; |
| | | |
| | | str = iniparser_getstring(d, key, INI_INVALID_KEY); |
| | | if (str==INI_INVALID_KEY) return notfound ; |
| | | return strtol(str, NULL, 0); |
| | | } |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key, convert to a double |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param notfound Value to return in case of error |
| | | @return double |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the notfound value is returned. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | double iniparser_getdouble(dictionary * d, const char * key, double notfound) |
| | | { |
| | | char * str ; |
| | | |
| | | str = iniparser_getstring(d, key, INI_INVALID_KEY); |
| | | if (str==INI_INVALID_KEY) return notfound ; |
| | | return atof(str); |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key, convert to a boolean |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param notfound Value to return in case of error |
| | | @return integer |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the notfound value is returned. |
| | | |
| | | A true boolean is found if one of the following is matched: |
| | | |
| | | - A string starting with 'y' |
| | | - A string starting with 'Y' |
| | | - A string starting with 't' |
| | | - A string starting with 'T' |
| | | - A string starting with '1' |
| | | |
| | | A false boolean is found if one of the following is matched: |
| | | |
| | | - A string starting with 'n' |
| | | - A string starting with 'N' |
| | | - A string starting with 'f' |
| | | - A string starting with 'F' |
| | | - A string starting with '0' |
| | | |
| | | The notfound value returned if no boolean is identified, does not |
| | | necessarily have to be 0 or 1. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_getboolean(dictionary * d, const char * key, int notfound) |
| | | { |
| | | char * c ; |
| | | int ret ; |
| | | |
| | | c = iniparser_getstring(d, key, INI_INVALID_KEY); |
| | | if (c==INI_INVALID_KEY) return notfound ; |
| | | if (c[0]=='y' || c[0]=='Y' || c[0]=='1' || c[0]=='t' || c[0]=='T') { |
| | | ret = 1 ; |
| | | } else if (c[0]=='n' || c[0]=='N' || c[0]=='0' || c[0]=='f' || c[0]=='F') { |
| | | ret = 0 ; |
| | | } else { |
| | | ret = notfound ; |
| | | } |
| | | return ret; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Finds out if a given entry exists in a dictionary |
| | | @param ini Dictionary to search |
| | | @param entry Name of the entry to look for |
| | | @return integer 1 if entry exists, 0 otherwise |
| | | |
| | | Finds out if a given entry exists in the dictionary. Since sections |
| | | are stored as keys with NULL associated values, this is the only way |
| | | of querying for the presence of sections in a dictionary. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_find_entry( |
| | | dictionary * ini, |
| | | const char * entry |
| | | ) |
| | | { |
| | | int found=0 ; |
| | | if (iniparser_getstring(ini, entry, INI_INVALID_KEY)!=INI_INVALID_KEY) { |
| | | found = 1 ; |
| | | } |
| | | return found ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Set an entry in a dictionary. |
| | | @param ini Dictionary to modify. |
| | | @param entry Entry to modify (entry name) |
| | | @param val New value to associate to the entry. |
| | | @return int 0 if Ok, -1 otherwise. |
| | | |
| | | If the given entry can be found in the dictionary, it is modified to |
| | | contain the provided value. If it cannot be found, -1 is returned. |
| | | It is Ok to set val to NULL. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_set(dictionary * ini, const char * entry, const char * val) |
| | | { |
| | | return dictionary_set(ini, strlwc(entry), val) ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Delete an entry in a dictionary |
| | | @param ini Dictionary to modify |
| | | @param entry Entry to delete (entry name) |
| | | @return void |
| | | |
| | | If the given entry can be found, it is deleted from the dictionary. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_unset(dictionary * ini, const char * entry) |
| | | { |
| | | dictionary_unset(ini, strlwc(entry)); |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Load a single line from an INI file |
| | | @param input_line Input line, may be concatenated multi-line input |
| | | @param section Output space to store section |
| | | @param key Output space to store key |
| | | @param value Output space to store value |
| | | @return line_status value |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | static line_status iniparser_line( |
| | | char * input_line, |
| | | char * section, |
| | | char * key, |
| | | char * value) |
| | | { |
| | | line_status sta ; |
| | | char line[ASCIILINESZ+1]; |
| | | static char left_line[ASCIILINESZ+1]; |
| | | int len, offset ; |
| | | |
| | | strcpy(line, strstrip(input_line)); |
| | | len = (int)strlen(line); |
| | | |
| | | sta = LINE_UNPROCESSED ; |
| | | if (len<1) { |
| | | /* Empty line */ |
| | | sta = LINE_EMPTY ; |
| | | memset(input_line, 0, len); |
| | | } else if (line[0]=='#' || line[0]==';') { |
| | | /* Comment line */ |
| | | sta = LINE_COMMENT ; |
| | | memset(input_line, 0, len); |
| | | } else if (line[0]=='[') { |
| | | /* Section name */ |
| | | sscanf(line, "[%[^]]", section); |
| | | strcpy(section, strstrip(section)); |
| | | strcpy(section, strlwc(section)); |
| | | |
| | | /* Left configure will go to next time to parser */ |
| | | offset = strlen(section) + 2; |
| | | strcpy( left_line, strstrip(&(line[offset])) ); |
| | | strcpy( left_line, strstrip(left_line)); |
| | | |
| | | if( strlen(left_line) > 0) |
| | | { |
| | | strcpy(input_line, left_line); |
| | | strcat(input_line, "\n"); |
| | | } |
| | | else |
| | | { |
| | | memset(input_line, 0, len); |
| | | } |
| | | sta = LINE_SECTION ; |
| | | } else if (sscanf (line, "%[^=] = \"%[^\"]\"", key, value) == 2 |
| | | || sscanf (line, "%[^=] = '%[^\']'", key, value) == 2 |
| | | || sscanf (line, "%[^=] = %[^;#]", key, value) == 2) { |
| | | char *ptr = NULL; |
| | | |
| | | /* Usual key=value, with or without comments */ |
| | | strcpy(key, strstrip(key)); |
| | | strcpy(key, strlwc(key)); |
| | | strcpy(value, strstrip(value)); |
| | | /* |
| | | * sscanf cannot handle '' or "" as empty values |
| | | * this is done here |
| | | */ |
| | | if (!strncmp(value, "\"\"", 2) || (!strncmp(value, "''", 2)) ) { |
| | | value[0]=0 ; |
| | | } |
| | | |
| | | ptr = strchr(line, '='); |
| | | if('\''==*(ptr+1) || '\"'==*(ptr+1)) |
| | | { |
| | | offset = strlen(key)+strlen(value) + 1 + 2; /* Skip $key='$val' */ |
| | | } |
| | | else |
| | | { |
| | | offset = strlen(key)+strlen(value) + 1; /* Skip $key=$val */ |
| | | } |
| | | strcpy( left_line, strstrip(&(line[offset])) ); |
| | | |
| | | if( strlen(left_line) > 0) |
| | | { |
| | | strcpy(input_line, left_line); |
| | | strcat(input_line, "\n"); |
| | | } |
| | | else |
| | | { |
| | | memset(input_line, 0, len); |
| | | } |
| | | sta = LINE_VALUE ; |
| | | } else if (sscanf(line, "%[^=] = %[;#]", key, value)==2 |
| | | || sscanf(line, "%[^=] %[=]", key, value) == 2) { |
| | | /* |
| | | * Special cases: |
| | | * key= |
| | | * key=; |
| | | * key=# |
| | | */ |
| | | strcpy(key, strstrip(key)); |
| | | strcpy(key, strlwc(key)); |
| | | value[0]=0 ; |
| | | sta = LINE_VALUE ; |
| | | } else { |
| | | /* Generate syntax error */ |
| | | sta = LINE_ERROR ; |
| | | memset(input_line, 0, len); |
| | | } |
| | | return sta ; |
| | | } |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Parse an ini file and return an allocated dictionary object |
| | | @param ininame Name of the ini file to read. |
| | | @return Pointer to newly allocated dictionary |
| | | |
| | | This is the parser for ini files. This function is called, providing |
| | | the name of the file to be read. It returns a dictionary object that |
| | | should not be accessed directly, but through accessor functions |
| | | instead. |
| | | |
| | | The returned dictionary must be freed using iniparser_freedict(). |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | dictionary * iniparser_load(const char * ininame) |
| | | { |
| | | FILE * in ; |
| | | |
| | | char line [ASCIILINESZ+1] ; |
| | | char section [ASCIILINESZ+1] ; |
| | | char key [ASCIILINESZ+1] ; |
| | | char tmp [ASCIILINESZ+1] ; |
| | | char val [ASCIILINESZ+1] ; |
| | | |
| | | int last=0 ; |
| | | int len ; |
| | | int lineno=0 ; |
| | | int errs=0; |
| | | |
| | | dictionary * dict ; |
| | | |
| | | if ((in=fopen(ininame, "r"))==NULL) { |
| | | fprintf(stderr, "iniparser: cannot open %s\n", ininame); |
| | | return NULL ; |
| | | } |
| | | |
| | | dict = dictionary_new(0) ; |
| | | if (!dict) { |
| | | fclose(in); |
| | | return NULL ; |
| | | } |
| | | |
| | | memset(line, 0, ASCIILINESZ); |
| | | memset(section, 0, ASCIILINESZ); |
| | | memset(key, 0, ASCIILINESZ); |
| | | memset(val, 0, ASCIILINESZ); |
| | | last=0 ; |
| | | |
| | | while (fgets(line+last, ASCIILINESZ-last, in)!=NULL) { |
| | | lineno++ ; |
| | | CONTINUE_PARSER: |
| | | len = (int)strlen(line)-1; |
| | | if (len==0) |
| | | continue; |
| | | /* Safety check against buffer overflows */ |
| | | if (line[len]!='\n') { |
| | | fprintf(stderr, |
| | | "iniparser: input line too long in %s (%d)\n", |
| | | ininame, |
| | | lineno); |
| | | dictionary_del(dict); |
| | | fclose(in); |
| | | return NULL ; |
| | | } |
| | | /* Get rid of \n and spaces at end of line */ |
| | | while ((len>=0) && |
| | | ((line[len]=='\n') || (isspace(line[len])))) { |
| | | line[len]=0 ; |
| | | len-- ; |
| | | } |
| | | /* Detect multi-line */ |
| | | if (line[len]=='\\') { |
| | | /* Multi-line value */ |
| | | last=len ; |
| | | continue ; |
| | | } else { |
| | | last=0 ; |
| | | } |
| | | |
| | | switch ( iniparser_line(line, section, key, val) ) { |
| | | case LINE_EMPTY: |
| | | case LINE_COMMENT: |
| | | break ; |
| | | |
| | | case LINE_SECTION: |
| | | errs = dictionary_set(dict, section, NULL); |
| | | break ; |
| | | |
| | | case LINE_VALUE: |
| | | sprintf(tmp, "%s:%s", section, key); |
| | | errs = dictionary_set(dict, tmp, val) ; |
| | | break ; |
| | | |
| | | case LINE_ERROR: |
| | | fprintf(stderr, "iniparser: syntax error in %s (%d):\n", |
| | | ininame, |
| | | lineno); |
| | | fprintf(stderr, "-> %s\n", line); |
| | | errs++ ; |
| | | break; |
| | | |
| | | default: |
| | | break ; |
| | | } |
| | | |
| | | if( strlen(line) > 0) |
| | | { |
| | | goto CONTINUE_PARSER; |
| | | } |
| | | |
| | | memset(line, 0, ASCIILINESZ); |
| | | last=0; |
| | | if (errs<0) { |
| | | fprintf(stderr, "iniparser: memory allocation failure\n"); |
| | | break ; |
| | | } |
| | | } |
| | | if (errs) { |
| | | dictionary_del(dict); |
| | | dict = NULL ; |
| | | } |
| | | fclose(in); |
| | | return dict ; |
| | | } |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Free all memory associated to an ini dictionary |
| | | @param d Dictionary to free |
| | | @return void |
| | | |
| | | Free all memory associated to an ini dictionary. |
| | | It is mandatory to call this function before the dictionary object |
| | | gets out of the current context. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_freedict(dictionary * d) |
| | | { |
| | | dictionary_del(d); |
| | | } |
| | | |
| | | /* vim: set ts=4 et sw=4 tw=75 */ |
New file |
| | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @file cp_iniparser.h |
| | | @author N. Devillard |
| | | @brief Parser for ini files. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | |
| | | #ifndef _INIPARSER_H_ |
| | | #define _INIPARSER_H_ |
| | | |
| | | /*--------------------------------------------------------------------------- |
| | | Includes |
| | | ---------------------------------------------------------------------------*/ |
| | | |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | |
| | | /* |
| | | * The following #include is necessary on many Unixes but not Linux. |
| | | * It is not needed for Windows platforms. |
| | | * Uncomment it if needed. |
| | | */ |
| | | /* #include <unistd.h> */ |
| | | |
| | | #include "ini_dictionary.h" |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get number of sections in a dictionary |
| | | @param d Dictionary to examine |
| | | @return int Number of sections found in dictionary |
| | | |
| | | This function returns the number of sections found in a dictionary. |
| | | The test to recognize sections is done on the string stored in the |
| | | dictionary: a section name is given as "section" whereas a key is |
| | | stored as "section:key", thus the test looks for entries that do not |
| | | contain a colon. |
| | | |
| | | This clearly fails in the case a section name contains a colon, but |
| | | this should simply be avoided. |
| | | |
| | | This function returns -1 in case of error. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | |
| | | int iniparser_getnsec(dictionary * d); |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get name for section n in a dictionary. |
| | | @param d Dictionary to examine |
| | | @param n Section number (from 0 to nsec-1). |
| | | @return Pointer to char string |
| | | |
| | | This function locates the n-th section in a dictionary and returns |
| | | its name as a pointer to a string statically allocated inside the |
| | | dictionary. Do not free or modify the returned string! |
| | | |
| | | This function returns NULL in case of error. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | |
| | | char * iniparser_getsecname(dictionary * d, int n); |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Save a dictionary to a loadable ini file |
| | | @param d Dictionary to dump |
| | | @param f Opened file pointer to dump to |
| | | @return void |
| | | |
| | | This function dumps a given dictionary into a loadable ini file. |
| | | It is Ok to specify @c stderr or @c stdout as output files. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | |
| | | void iniparser_dump_ini(dictionary * d, FILE * f); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Save a dictionary section to a loadable ini file |
| | | @param d Dictionary to dump |
| | | @param s Section name of dictionary to dump |
| | | @param f Opened file pointer to dump to |
| | | @return void |
| | | |
| | | This function dumps a given section of a given dictionary into a loadable ini |
| | | file. It is Ok to specify @c stderr or @c stdout as output files. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | |
| | | void iniparser_dumpsection_ini(dictionary * d, char * s, FILE * f); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Dump a dictionary to an opened file pointer. |
| | | @param d Dictionary to dump. |
| | | @param f Opened file pointer to dump to. |
| | | @return void |
| | | |
| | | This function prints out the contents of a dictionary, one element by |
| | | line, onto the provided file pointer. It is OK to specify @c stderr |
| | | or @c stdout as output files. This function is meant for debugging |
| | | purposes mostly. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_dump(dictionary * d, FILE * f); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the number of keys in a section of a dictionary. |
| | | @param d Dictionary to examine |
| | | @param s Section name of dictionary to examine |
| | | @return Number of keys in section |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_getsecnkeys(dictionary * d, char * s); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the number of keys in a section of a dictionary. |
| | | @param d Dictionary to examine |
| | | @param s Section name of dictionary to examine |
| | | @return pointer to statically allocated character strings |
| | | |
| | | This function queries a dictionary and finds all keys in a given section. |
| | | Each pointer in the returned char pointer-to-pointer is pointing to |
| | | a string allocated in the dictionary; do not free or modify them. |
| | | |
| | | This function returns NULL in case of error. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | char ** iniparser_getseckeys(dictionary * d, char * s); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param def Default value to return if key not found. |
| | | @return pointer to statically allocated character string |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the pointer passed as 'def' is returned. |
| | | The returned char pointer is pointing to a string allocated in |
| | | the dictionary, do not free or modify it. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | char * iniparser_getstring(dictionary * d, const char * key, char * def); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key, convert to an int |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param notfound Value to return in case of error |
| | | @return integer |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the notfound value is returned. |
| | | |
| | | Supported values for integers include the usual C notation |
| | | so decimal, octal (starting with 0) and hexadecimal (starting with 0x) |
| | | are supported. Examples: |
| | | |
| | | - "42" -> 42 |
| | | - "042" -> 34 (octal -> decimal) |
| | | - "0x42" -> 66 (hexa -> decimal) |
| | | |
| | | Warning: the conversion may overflow in various ways. Conversion is |
| | | totally outsourced to strtol(), see the associated man page for overflow |
| | | handling. |
| | | |
| | | Credits: Thanks to A. Becker for suggesting strtol() |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_getint(dictionary * d, const char * key, int notfound); |
| | | int iniparser_getlong(dictionary * d, const char * key, int notfound); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key, convert to a double |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param notfound Value to return in case of error |
| | | @return double |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the notfound value is returned. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | double iniparser_getdouble(dictionary * d, const char * key, double notfound); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Get the string associated to a key, convert to a boolean |
| | | @param d Dictionary to search |
| | | @param key Key string to look for |
| | | @param notfound Value to return in case of error |
| | | @return integer |
| | | |
| | | This function queries a dictionary for a key. A key as read from an |
| | | ini file is given as "section:key". If the key cannot be found, |
| | | the notfound value is returned. |
| | | |
| | | A true boolean is found if one of the following is matched: |
| | | |
| | | - A string starting with 'y' |
| | | - A string starting with 'Y' |
| | | - A string starting with 't' |
| | | - A string starting with 'T' |
| | | - A string starting with '1' |
| | | |
| | | A false boolean is found if one of the following is matched: |
| | | |
| | | - A string starting with 'n' |
| | | - A string starting with 'N' |
| | | - A string starting with 'f' |
| | | - A string starting with 'F' |
| | | - A string starting with '0' |
| | | |
| | | The notfound value returned if no boolean is identified, does not |
| | | necessarily have to be 0 or 1. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_getboolean(dictionary * d, const char * key, int notfound); |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Set an entry in a dictionary. |
| | | @param ini Dictionary to modify. |
| | | @param entry Entry to modify (entry name) |
| | | @param val New value to associate to the entry. |
| | | @return int 0 if Ok, -1 otherwise. |
| | | |
| | | If the given entry can be found in the dictionary, it is modified to |
| | | contain the provided value. If it cannot be found, -1 is returned. |
| | | It is Ok to set val to NULL. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_set(dictionary * ini, const char * entry, const char * val); |
| | | |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Delete an entry in a dictionary |
| | | @param ini Dictionary to modify |
| | | @param entry Entry to delete (entry name) |
| | | @return void |
| | | |
| | | If the given entry can be found, it is deleted from the dictionary. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_unset(dictionary * ini, const char * entry); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Finds out if a given entry exists in a dictionary |
| | | @param ini Dictionary to search |
| | | @param entry Name of the entry to look for |
| | | @return integer 1 if entry exists, 0 otherwise |
| | | |
| | | Finds out if a given entry exists in the dictionary. Since sections |
| | | are stored as keys with NULL associated values, this is the only way |
| | | of querying for the presence of sections in a dictionary. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | int iniparser_find_entry(dictionary * ini, const char * entry) ; |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Parse an ini file and return an allocated dictionary object |
| | | @param ininame Name of the ini file to read. |
| | | @return Pointer to newly allocated dictionary |
| | | |
| | | This is the parser for ini files. This function is called, providing |
| | | the name of the file to be read. It returns a dictionary object that |
| | | should not be accessed directly, but through accessor functions |
| | | instead. |
| | | |
| | | The returned dictionary must be freed using iniparser_freedict(). |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | dictionary * iniparser_load(const char * ininame); |
| | | |
| | | /*-------------------------------------------------------------------------*/ |
| | | /** |
| | | @brief Free all memory associated to an ini dictionary |
| | | @param d Dictionary to free |
| | | @return void |
| | | |
| | | Free all memory associated to an ini dictionary. |
| | | It is mandatory to call this function before the dictionary object |
| | | gets out of the current context. |
| | | */ |
| | | /*--------------------------------------------------------------------------*/ |
| | | void iniparser_freedict(dictionary * d); |
| | | |
| | | #endif |
New file |
| | |
| | | /********************************************************************************* |
| | | * Copyright: (C) 2012 Guo Wenxue <guowenxue@gmail.com> |
| | | * All rights reserved. |
| | | * |
| | | * Filename: cp_list.h |
| | | * Description: This file is copied from Linux kernel, which provide link list API. |
| | | * |
| | | * Version: 1.0.0(08/09/2012~) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "08/09/2012 02:24:34 AM" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #ifndef _LINUX_LIST_H |
| | | #define _LINUX_LIST_H |
| | | |
| | | #include <linux/stddef.h> |
| | | |
| | | |
| | | /** |
| | | * container_of - cast a member of a structure out to the containing structure |
| | | * @ptr: the pointer to the member. |
| | | * @type: the type of the container struct this is embedded in. |
| | | * @member: the name of the member within the struct. |
| | | * |
| | | */ |
| | | #undef offsetof |
| | | #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) |
| | | #define container_of(ptr, type, member) ({ \ |
| | | const typeof( ((type *)0)->member ) *__mptr = (ptr); \ |
| | | (type *)( (char *)__mptr - offsetof(type,member) );}) |
| | | |
| | | |
| | | /* |
| | | * Architectures might want to move the poison pointer offset |
| | | * into some well-recognized area such as 0xdead000000000000, |
| | | * that is also not mappable by user-space exploits: |
| | | */ |
| | | #ifdef CONFIG_ILLEGAL_POINTER_VALUE |
| | | # define POISON_POINTER_DELTA _AC(CONFIG_ILLEGAL_POINTER_VALUE, UL) |
| | | #else |
| | | # define POISON_POINTER_DELTA 0 |
| | | #endif |
| | | |
| | | /* |
| | | * These are non-NULL pointers that will result in page faults |
| | | * under normal circumstances, used to verify that nobody uses |
| | | * non-initialized list entries. |
| | | */ |
| | | #define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA) |
| | | #define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA) |
| | | |
| | | #ifndef ARCH_HAS_PREFETCH |
| | | #define ARCH_HAS_PREFETCH |
| | | static inline void prefetch(const void *x) {;} |
| | | #endif |
| | | |
| | | /* |
| | | * Simple doubly linked list implementation. |
| | | * |
| | | * Some of the internal functions ("__xxx") are useful when |
| | | * manipulating whole lists rather than single entries, as |
| | | * sometimes we already know the next/prev entries and we can |
| | | * generate better code by using them directly rather than |
| | | * using the generic single-entry routines. |
| | | */ |
| | | |
| | | struct list_head { |
| | | struct list_head *next, *prev; |
| | | }; |
| | | |
| | | #define LIST_HEAD_INIT(name) { &(name), &(name) } |
| | | |
| | | #define LIST_HEAD(name) \ |
| | | struct list_head name = LIST_HEAD_INIT(name) |
| | | |
| | | static inline void INIT_LIST_HEAD(struct list_head *list) |
| | | { |
| | | list->next = list; |
| | | list->prev = list; |
| | | } |
| | | |
| | | /* |
| | | * Insert a new entry between two known consecutive entries. |
| | | * |
| | | * This is only for internal list manipulation where we know |
| | | * the prev/next entries already! |
| | | */ |
| | | static inline void __list_add(struct list_head *new, |
| | | struct list_head *prev, |
| | | struct list_head *next) |
| | | { |
| | | next->prev = new; |
| | | new->next = next; |
| | | new->prev = prev; |
| | | prev->next = new; |
| | | } |
| | | |
| | | /** |
| | | * list_add - add a new entry |
| | | * @new: new entry to be added |
| | | * @head: list head to add it after |
| | | * |
| | | * Insert a new entry after the specified head. |
| | | * This is good for implementing stacks. |
| | | */ |
| | | static inline void list_add(struct list_head *new, struct list_head *head) |
| | | { |
| | | __list_add(new, head, head->next); |
| | | } |
| | | |
| | | /** |
| | | * list_add_tail - add a new entry |
| | | * @new: new entry to be added |
| | | * @head: list head to add it before |
| | | * |
| | | * Insert a new entry before the specified head. |
| | | * This is useful for implementing queues. |
| | | */ |
| | | static inline void list_add_tail(struct list_head *new, struct list_head *head) |
| | | { |
| | | __list_add(new, head->prev, head); |
| | | } |
| | | |
| | | /* |
| | | * Delete a list entry by making the prev/next entries |
| | | * point to each other. |
| | | * |
| | | * This is only for internal list manipulation where we know |
| | | * the prev/next entries already! |
| | | */ |
| | | static inline void __list_del(struct list_head *prev, struct list_head *next) |
| | | { |
| | | next->prev = prev; |
| | | prev->next = next; |
| | | } |
| | | |
| | | /** |
| | | * list_del - deletes entry from list. |
| | | * @entry: the element to delete from the list. |
| | | * Note: list_empty() on entry does not return true after this, the entry is |
| | | * in an undefined state. |
| | | */ |
| | | static inline void list_del(struct list_head *entry) |
| | | { |
| | | __list_del(entry->prev, entry->next); |
| | | entry->next = LIST_POISON1; |
| | | entry->prev = LIST_POISON2; |
| | | } |
| | | |
| | | /** |
| | | * list_replace - replace old entry by new one |
| | | * @old : the element to be replaced |
| | | * @new : the new element to insert |
| | | * |
| | | * If @old was empty, it will be overwritten. |
| | | */ |
| | | static inline void list_replace(struct list_head *old, |
| | | struct list_head *new) |
| | | { |
| | | new->next = old->next; |
| | | new->next->prev = new; |
| | | new->prev = old->prev; |
| | | new->prev->next = new; |
| | | } |
| | | |
| | | static inline void list_replace_init(struct list_head *old, |
| | | struct list_head *new) |
| | | { |
| | | list_replace(old, new); |
| | | INIT_LIST_HEAD(old); |
| | | } |
| | | |
| | | /** |
| | | * list_del_init - deletes entry from list and reinitialize it. |
| | | * @entry: the element to delete from the list. |
| | | */ |
| | | static inline void list_del_init(struct list_head *entry) |
| | | { |
| | | __list_del(entry->prev, entry->next); |
| | | INIT_LIST_HEAD(entry); |
| | | } |
| | | |
| | | /** |
| | | * list_move - delete from one list and add as another's head |
| | | * @list: the entry to move |
| | | * @head: the head that will precede our entry |
| | | */ |
| | | static inline void list_move(struct list_head *list, struct list_head *head) |
| | | { |
| | | __list_del(list->prev, list->next); |
| | | list_add(list, head); |
| | | } |
| | | |
| | | /** |
| | | * list_move_tail - delete from one list and add as another's tail |
| | | * @list: the entry to move |
| | | * @head: the head that will follow our entry |
| | | */ |
| | | static inline void list_move_tail(struct list_head *list, |
| | | struct list_head *head) |
| | | { |
| | | __list_del(list->prev, list->next); |
| | | list_add_tail(list, head); |
| | | } |
| | | |
| | | /** |
| | | * list_is_last - tests whether @list is the last entry in list @head |
| | | * @list: the entry to test |
| | | * @head: the head of the list |
| | | */ |
| | | static inline int list_is_last(const struct list_head *list, |
| | | const struct list_head *head) |
| | | { |
| | | return list->next == head; |
| | | } |
| | | |
| | | /** |
| | | * list_empty - tests whether a list is empty |
| | | * @head: the list to test. |
| | | */ |
| | | static inline int list_empty(const struct list_head *head) |
| | | { |
| | | return head->next == head; |
| | | } |
| | | |
| | | /** |
| | | * list_empty_careful - tests whether a list is empty and not being modified |
| | | * @head: the list to test |
| | | * |
| | | * Description: |
| | | * tests whether a list is empty _and_ checks that no other CPU might be |
| | | * in the process of modifying either member (next or prev) |
| | | * |
| | | * NOTE: using list_empty_careful() without synchronization |
| | | * can only be safe if the only activity that can happen |
| | | * to the list entry is list_del_init(). Eg. it cannot be used |
| | | * if another CPU could re-list_add() it. |
| | | */ |
| | | static inline int list_empty_careful(const struct list_head *head) |
| | | { |
| | | struct list_head *next = head->next; |
| | | return (next == head) && (next == head->prev); |
| | | } |
| | | |
| | | /** |
| | | * list_is_singular - tests whether a list has just one entry. |
| | | * @head: the list to test. |
| | | */ |
| | | static inline int list_is_singular(const struct list_head *head) |
| | | { |
| | | return !list_empty(head) && (head->next == head->prev); |
| | | } |
| | | |
| | | static inline void __list_cut_position(struct list_head *list, |
| | | struct list_head *head, struct list_head *entry) |
| | | { |
| | | struct list_head *new_first = entry->next; |
| | | list->next = head->next; |
| | | list->next->prev = list; |
| | | list->prev = entry; |
| | | entry->next = list; |
| | | head->next = new_first; |
| | | new_first->prev = head; |
| | | } |
| | | |
| | | /** |
| | | * list_cut_position - cut a list into two |
| | | * @list: a new list to add all removed entries |
| | | * @head: a list with entries |
| | | * @entry: an entry within head, could be the head itself |
| | | * and if so we won't cut the list |
| | | * |
| | | * This helper moves the initial part of @head, up to and |
| | | * including @entry, from @head to @list. You should |
| | | * pass on @entry an element you know is on @head. @list |
| | | * should be an empty list or a list you do not care about |
| | | * losing its data. |
| | | * |
| | | */ |
| | | static inline void list_cut_position(struct list_head *list, |
| | | struct list_head *head, struct list_head *entry) |
| | | { |
| | | if (list_empty(head)) |
| | | return; |
| | | if (list_is_singular(head) && |
| | | (head->next != entry && head != entry)) |
| | | return; |
| | | if (entry == head) |
| | | INIT_LIST_HEAD(list); |
| | | else |
| | | __list_cut_position(list, head, entry); |
| | | } |
| | | |
| | | static inline void __list_splice(const struct list_head *list, |
| | | struct list_head *prev, |
| | | struct list_head *next) |
| | | { |
| | | struct list_head *first = list->next; |
| | | struct list_head *last = list->prev; |
| | | |
| | | first->prev = prev; |
| | | prev->next = first; |
| | | |
| | | last->next = next; |
| | | next->prev = last; |
| | | } |
| | | |
| | | /** |
| | | * list_splice - join two lists, this is designed for stacks |
| | | * @list: the new list to add. |
| | | * @head: the place to add it in the first list. |
| | | */ |
| | | static inline void list_splice(const struct list_head *list, |
| | | struct list_head *head) |
| | | { |
| | | if (!list_empty(list)) |
| | | __list_splice(list, head, head->next); |
| | | } |
| | | |
| | | /** |
| | | * list_splice_tail - join two lists, each list being a queue |
| | | * @list: the new list to add. |
| | | * @head: the place to add it in the first list. |
| | | */ |
| | | static inline void list_splice_tail(struct list_head *list, |
| | | struct list_head *head) |
| | | { |
| | | if (!list_empty(list)) |
| | | __list_splice(list, head->prev, head); |
| | | } |
| | | |
| | | /** |
| | | * list_splice_init - join two lists and reinitialise the emptied list. |
| | | * @list: the new list to add. |
| | | * @head: the place to add it in the first list. |
| | | * |
| | | * The list at @list is reinitialised |
| | | */ |
| | | static inline void list_splice_init(struct list_head *list, |
| | | struct list_head *head) |
| | | { |
| | | if (!list_empty(list)) { |
| | | __list_splice(list, head, head->next); |
| | | INIT_LIST_HEAD(list); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * list_splice_tail_init - join two lists and reinitialise the emptied list |
| | | * @list: the new list to add. |
| | | * @head: the place to add it in the first list. |
| | | * |
| | | * Each of the lists is a queue. |
| | | * The list at @list is reinitialised |
| | | */ |
| | | static inline void list_splice_tail_init(struct list_head *list, |
| | | struct list_head *head) |
| | | { |
| | | if (!list_empty(list)) { |
| | | __list_splice(list, head->prev, head); |
| | | INIT_LIST_HEAD(list); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * list_entry - get the struct for this entry |
| | | * @ptr: the &struct list_head pointer. |
| | | * @type: the type of the struct this is embedded in. |
| | | * @member: the name of the list_struct within the struct. |
| | | */ |
| | | #define list_entry(ptr, type, member) \ |
| | | container_of(ptr, type, member) |
| | | |
| | | /** |
| | | * list_first_entry - get the first element from a list |
| | | * @ptr: the list head to take the element from. |
| | | * @type: the type of the struct this is embedded in. |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Note, that list is expected to be not empty. |
| | | */ |
| | | #define list_first_entry(ptr, type, member) \ |
| | | list_entry((ptr)->next, type, member) |
| | | |
| | | /** |
| | | * list_for_each - iterate over a list |
| | | * @pos: the &struct list_head to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | */ |
| | | #define list_for_each(pos, head) \ |
| | | for (pos = (head)->next; prefetch(pos->next), pos != (head); \ |
| | | pos = pos->next) |
| | | |
| | | /** |
| | | * __list_for_each - iterate over a list |
| | | * @pos: the &struct list_head to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | * |
| | | * This variant differs from list_for_each() in that it's the |
| | | * simplest possible list iteration code, no prefetching is done. |
| | | * Use this for code that knows the list to be very short (empty |
| | | * or 1 entry) most of the time. |
| | | */ |
| | | #define __list_for_each(pos, head) \ |
| | | for (pos = (head)->next; pos != (head); pos = pos->next) |
| | | |
| | | /** |
| | | * list_for_each_prev - iterate over a list backwards |
| | | * @pos: the &struct list_head to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | */ |
| | | #define list_for_each_prev(pos, head) \ |
| | | for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \ |
| | | pos = pos->prev) |
| | | |
| | | /** |
| | | * list_for_each_safe - iterate over a list safe against removal of list entry |
| | | * @pos: the &struct list_head to use as a loop cursor. |
| | | * @n: another &struct list_head to use as temporary storage |
| | | * @head: the head for your list. |
| | | */ |
| | | #define list_for_each_safe(pos, n, head) \ |
| | | for (pos = (head)->next, n = pos->next; pos != (head); \ |
| | | pos = n, n = pos->next) |
| | | |
| | | /** |
| | | * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry |
| | | * @pos: the &struct list_head to use as a loop cursor. |
| | | * @n: another &struct list_head to use as temporary storage |
| | | * @head: the head for your list. |
| | | */ |
| | | #define list_for_each_prev_safe(pos, n, head) \ |
| | | for (pos = (head)->prev, n = pos->prev; \ |
| | | prefetch(pos->prev), pos != (head); \ |
| | | pos = n, n = pos->prev) |
| | | |
| | | /** |
| | | * list_for_each_entry - iterate over list of given type |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | */ |
| | | #define list_for_each_entry(pos, head, member) \ |
| | | for (pos = list_entry((head)->next, typeof(*pos), member); \ |
| | | prefetch(pos->member.next), &pos->member != (head); \ |
| | | pos = list_entry(pos->member.next, typeof(*pos), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_reverse - iterate backwards over list of given type. |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | */ |
| | | #define list_for_each_entry_reverse(pos, head, member) \ |
| | | for (pos = list_entry((head)->prev, typeof(*pos), member); \ |
| | | prefetch(pos->member.prev), &pos->member != (head); \ |
| | | pos = list_entry(pos->member.prev, typeof(*pos), member)) |
| | | |
| | | /** |
| | | * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue() |
| | | * @pos: the type * to use as a start point |
| | | * @head: the head of the list |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Prepares a pos entry for use as a start point in list_for_each_entry_continue(). |
| | | */ |
| | | #define list_prepare_entry(pos, head, member) \ |
| | | ((pos) ? : list_entry(head, typeof(*pos), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_continue - continue iteration over list of given type |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Continue to iterate over list of given type, continuing after |
| | | * the current position. |
| | | */ |
| | | #define list_for_each_entry_continue(pos, head, member) \ |
| | | for (pos = list_entry(pos->member.next, typeof(*pos), member); \ |
| | | prefetch(pos->member.next), &pos->member != (head); \ |
| | | pos = list_entry(pos->member.next, typeof(*pos), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_continue_reverse - iterate backwards from the given point |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Start to iterate over list of given type backwards, continuing after |
| | | * the current position. |
| | | */ |
| | | #define list_for_each_entry_continue_reverse(pos, head, member) \ |
| | | for (pos = list_entry(pos->member.prev, typeof(*pos), member); \ |
| | | prefetch(pos->member.prev), &pos->member != (head); \ |
| | | pos = list_entry(pos->member.prev, typeof(*pos), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_from - iterate over list of given type from the current point |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Iterate over list of given type, continuing from current position. |
| | | */ |
| | | #define list_for_each_entry_from(pos, head, member) \ |
| | | for (; prefetch(pos->member.next), &pos->member != (head); \ |
| | | pos = list_entry(pos->member.next, typeof(*pos), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @n: another type * to use as temporary storage |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | */ |
| | | #define list_for_each_entry_safe(pos, n, head, member) \ |
| | | for (pos = list_entry((head)->next, typeof(*pos), member), \ |
| | | n = list_entry(pos->member.next, typeof(*pos), member); \ |
| | | &pos->member != (head); \ |
| | | pos = n, n = list_entry(n->member.next, typeof(*n), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_safe_continue |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @n: another type * to use as temporary storage |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Iterate over list of given type, continuing after current point, |
| | | * safe against removal of list entry. |
| | | */ |
| | | #define list_for_each_entry_safe_continue(pos, n, head, member) \ |
| | | for (pos = list_entry(pos->member.next, typeof(*pos), member), \ |
| | | n = list_entry(pos->member.next, typeof(*pos), member); \ |
| | | &pos->member != (head); \ |
| | | pos = n, n = list_entry(n->member.next, typeof(*n), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_safe_from |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @n: another type * to use as temporary storage |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Iterate over list of given type from current point, safe against |
| | | * removal of list entry. |
| | | */ |
| | | #define list_for_each_entry_safe_from(pos, n, head, member) \ |
| | | for (n = list_entry(pos->member.next, typeof(*pos), member); \ |
| | | &pos->member != (head); \ |
| | | pos = n, n = list_entry(n->member.next, typeof(*n), member)) |
| | | |
| | | /** |
| | | * list_for_each_entry_safe_reverse |
| | | * @pos: the type * to use as a loop cursor. |
| | | * @n: another type * to use as temporary storage |
| | | * @head: the head for your list. |
| | | * @member: the name of the list_struct within the struct. |
| | | * |
| | | * Iterate backwards over list of given type, safe against removal |
| | | * of list entry. |
| | | */ |
| | | #define list_for_each_entry_safe_reverse(pos, n, head, member) \ |
| | | for (pos = list_entry((head)->prev, typeof(*pos), member), \ |
| | | n = list_entry(pos->member.prev, typeof(*pos), member); \ |
| | | &pos->member != (head); \ |
| | | pos = n, n = list_entry(n->member.prev, typeof(*n), member)) |
| | | |
| | | /* |
| | | * Double linked lists with a single pointer list head. |
| | | * Mostly useful for hash tables where the two pointer list head is |
| | | * too wasteful. |
| | | * You lose the ability to access the tail in O(1). |
| | | */ |
| | | |
| | | struct hlist_head { |
| | | struct hlist_node *first; |
| | | }; |
| | | |
| | | struct hlist_node { |
| | | struct hlist_node *next, **pprev; |
| | | }; |
| | | |
| | | #define HLIST_HEAD_INIT { .first = NULL } |
| | | #define HLIST_HEAD(name) struct hlist_head name = { .first = NULL } |
| | | #define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL) |
| | | static inline void INIT_HLIST_NODE(struct hlist_node *h) |
| | | { |
| | | h->next = NULL; |
| | | h->pprev = NULL; |
| | | } |
| | | |
| | | static inline int hlist_unhashed(const struct hlist_node *h) |
| | | { |
| | | return !h->pprev; |
| | | } |
| | | |
| | | static inline int hlist_empty(const struct hlist_head *h) |
| | | { |
| | | return !h->first; |
| | | } |
| | | |
| | | static inline void __hlist_del(struct hlist_node *n) |
| | | { |
| | | struct hlist_node *next = n->next; |
| | | struct hlist_node **pprev = n->pprev; |
| | | *pprev = next; |
| | | if (next) |
| | | next->pprev = pprev; |
| | | } |
| | | |
| | | static inline void hlist_del(struct hlist_node *n) |
| | | { |
| | | __hlist_del(n); |
| | | n->next = LIST_POISON1; |
| | | n->pprev = LIST_POISON2; |
| | | } |
| | | |
| | | static inline void hlist_del_init(struct hlist_node *n) |
| | | { |
| | | if (!hlist_unhashed(n)) { |
| | | __hlist_del(n); |
| | | INIT_HLIST_NODE(n); |
| | | } |
| | | } |
| | | |
| | | static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h) |
| | | { |
| | | struct hlist_node *first = h->first; |
| | | n->next = first; |
| | | if (first) |
| | | first->pprev = &n->next; |
| | | h->first = n; |
| | | n->pprev = &h->first; |
| | | } |
| | | |
| | | /* next must be != NULL */ |
| | | static inline void hlist_add_before(struct hlist_node *n, |
| | | struct hlist_node *next) |
| | | { |
| | | n->pprev = next->pprev; |
| | | n->next = next; |
| | | next->pprev = &n->next; |
| | | *(n->pprev) = n; |
| | | } |
| | | |
| | | static inline void hlist_add_after(struct hlist_node *n, |
| | | struct hlist_node *next) |
| | | { |
| | | next->next = n->next; |
| | | n->next = next; |
| | | next->pprev = &n->next; |
| | | |
| | | if(next->next) |
| | | next->next->pprev = &next->next; |
| | | } |
| | | |
| | | #define hlist_entry(ptr, type, member) container_of(ptr,type,member) |
| | | |
| | | #define hlist_for_each(pos, head) \ |
| | | for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \ |
| | | pos = pos->next) |
| | | |
| | | #define hlist_for_each_safe(pos, n, head) \ |
| | | for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \ |
| | | pos = n) |
| | | |
| | | /** |
| | | * hlist_for_each_entry - iterate over list of given type |
| | | * @tpos: the type * to use as a loop cursor. |
| | | * @pos: the &struct hlist_node to use as a loop cursor. |
| | | * @head: the head for your list. |
| | | * @member: the name of the hlist_node within the struct. |
| | | */ |
| | | #define hlist_for_each_entry(tpos, pos, head, member) \ |
| | | for (pos = (head)->first; \ |
| | | pos && ({ prefetch(pos->next); 1;}) && \ |
| | | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ |
| | | pos = pos->next) |
| | | |
| | | /** |
| | | * hlist_for_each_entry_continue - iterate over a hlist continuing after current point |
| | | * @tpos: the type * to use as a loop cursor. |
| | | * @pos: the &struct hlist_node to use as a loop cursor. |
| | | * @member: the name of the hlist_node within the struct. |
| | | */ |
| | | #define hlist_for_each_entry_continue(tpos, pos, member) \ |
| | | for (pos = (pos)->next; \ |
| | | pos && ({ prefetch(pos->next); 1;}) && \ |
| | | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ |
| | | pos = pos->next) |
| | | |
| | | /** |
| | | * hlist_for_each_entry_from - iterate over a hlist continuing from current point |
| | | * @tpos: the type * to use as a loop cursor. |
| | | * @pos: the &struct hlist_node to use as a loop cursor. |
| | | * @member: the name of the hlist_node within the struct. |
| | | */ |
| | | #define hlist_for_each_entry_from(tpos, pos, member) \ |
| | | for (; pos && ({ prefetch(pos->next); 1;}) && \ |
| | | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ |
| | | pos = pos->next) |
| | | |
| | | /** |
| | | * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry |
| | | * @tpos: the type * to use as a loop cursor. |
| | | * @pos: the &struct hlist_node to use as a loop cursor. |
| | | * @n: another &struct hlist_node to use as temporary storage |
| | | * @head: the head for your list. |
| | | * @member: the name of the hlist_node within the struct. |
| | | */ |
| | | #define hlist_for_each_entry_safe(tpos, pos, n, head, member) \ |
| | | for (pos = (head)->first; \ |
| | | pos && ({ n = pos->next; 1; }) && \ |
| | | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ |
| | | pos = n) |
| | | |
| | | |
| | | #endif |
| | | |
| | | |
New file |
| | |
| | | /********************************************************************************* |
| | | * Copyright: (C) 2018 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: logger.c |
| | | * Description: This file is the linux infrastructural logger system library, which |
| | | * is not thread safe. |
| | | * |
| | | * Version: 1.0.0(08/08/2012~) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "08/08/2018 04:24:01 PM" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #include "logger.h" |
| | | |
| | | #define PRECISE_TIME_FACTOR 1000 |
| | | |
| | | static unsigned long log_rollback_size = LOG_ROLLBACK_NONE; |
| | | |
| | | static st_logger _g_logger; |
| | | static st_logger *g_logger = &_g_logger; |
| | | |
| | | char *log_str[LOG_LEVEL_MAX + 1] = { "", "F", "E", "W", "N", "D", "I", "T", "M" }; |
| | | |
| | | static char *log_time_format = "%Y-%m-%d %H:%M:%S"; |
| | | |
| | | static void logger_default_signal_handler(int sig) |
| | | { |
| | | if (sig == SIGHUP) |
| | | { |
| | | signal(SIGHUP, logger_default_signal_handler); |
| | | log_fatal("SIGHUP received - reopenning log file [%s]", g_logger->file); |
| | | logger_reopen(); |
| | | } |
| | | } |
| | | |
| | | static void logger_banner(char *prefix) |
| | | { |
| | | fprintf(g_logger->fp, "%s log \"%s\" on level [%s] size [%lu], log system version %s\n", |
| | | prefix, g_logger->file, log_str[g_logger->level], log_rollback_size / 1024, LOG_VERSION_STR); |
| | | #if 0 |
| | | #ifdef LOG_FILE_LINE |
| | | fprintf(g_logger->fp, " [Date] [Time] [Level] [PID/TID] [File/Line] [Content]\n"); |
| | | #else |
| | | fprintf(g_logger->fp, " [Date] [Time] [Level] [PID/TID] [Content]\n"); |
| | | #endif |
| | | #endif |
| | | fprintf(g_logger->fp, "-----------------------------------------------------------------------------\n"); |
| | | } |
| | | |
| | | static void check_and_rollback(void) |
| | | { |
| | | if (log_rollback_size != LOG_ROLLBACK_NONE) |
| | | { |
| | | long _curOffset = ftell(g_logger->fp); |
| | | |
| | | if ((_curOffset != -1) && (_curOffset >= log_rollback_size)) |
| | | { |
| | | char cmd[512]; |
| | | |
| | | snprintf(cmd, sizeof(cmd), "cp -f %s %s.roll", g_logger->file, g_logger->file); |
| | | system(cmd); |
| | | |
| | | if (-1 == fseek(g_logger->fp, 0L, SEEK_SET)) |
| | | fprintf(g_logger->fp, "log rollback fseek failed \n"); |
| | | |
| | | rewind(g_logger->fp); |
| | | |
| | | truncate(g_logger->file, 0); |
| | | logger_banner("Already rollback"); |
| | | } |
| | | } |
| | | } |
| | | |
| | | int logger_init(char *filename, int level, int log_size) |
| | | { |
| | | struct sigaction act; |
| | | |
| | | if( !filename || strlen(filename)<=0 ) |
| | | { |
| | | fprintf(stderr, "%s() invalid input arguments\n", __FUNCTION__); |
| | | return -1; |
| | | } |
| | | |
| | | memset(g_logger, 0, sizeof(st_logger)); |
| | | |
| | | strncpy(g_logger->file, filename, FILENAME_LEN); |
| | | g_logger->level = level; |
| | | g_logger->size = log_size; |
| | | |
| | | log_rollback_size = g_logger->size <= 0 ? LOG_ROLLBACK_NONE : g_logger->size*1024; /* Unit KiB */ |
| | | |
| | | |
| | | /* logger to console, just need point to standard error */ |
| | | if (!strcmp(g_logger->file, DBG_LOG_FILE)) |
| | | { |
| | | g_logger->fp = stderr; |
| | | log_rollback_size = LOG_ROLLBACK_NONE; |
| | | g_logger->flag |= LOGGER_CONSOLE; |
| | | goto OUT; |
| | | } |
| | | |
| | | g_logger->fp = fopen(g_logger->file, "a+"); |
| | | if ( !g_logger->fp ) |
| | | { |
| | | fprintf(stderr, "Open log file \"%s\" failure\n", g_logger->file); |
| | | return -2; |
| | | } |
| | | |
| | | OUT: |
| | | act.sa_handler = logger_default_signal_handler; |
| | | sigemptyset(&act.sa_mask); |
| | | act.sa_flags = 0; |
| | | sigaction(SIGHUP, &act, NULL); |
| | | |
| | | logger_banner("\nInitialize"); |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | void logger_raw(const char *fmt, ...) |
| | | { |
| | | va_list argp; |
| | | |
| | | if ( !g_logger->fp ) |
| | | return; |
| | | |
| | | check_and_rollback(); |
| | | |
| | | va_start(argp, fmt); |
| | | vfprintf(g_logger->fp, fmt, argp); |
| | | va_end(argp); |
| | | } |
| | | |
| | | |
| | | void logger_term(void) |
| | | { |
| | | if ( !g_logger->fp ) |
| | | return; |
| | | |
| | | logger_banner("\nTerminate"); |
| | | logger_raw("\n\n"); |
| | | |
| | | fflush(g_logger->fp); |
| | | |
| | | fclose(g_logger->fp); |
| | | g_logger->fp = NULL; |
| | | |
| | | memset(g_logger, 0, sizeof(*g_logger)); |
| | | |
| | | return ; |
| | | } |
| | | |
| | | |
| | | int logger_reopen(void) |
| | | { |
| | | int rc = 0; |
| | | |
| | | if (g_logger->flag & LOGGER_CONSOLE ) |
| | | { |
| | | fflush(g_logger->fp); |
| | | g_logger->fp = stderr; |
| | | return 0; |
| | | } |
| | | |
| | | if( g_logger->fp ) |
| | | { |
| | | logger_banner("\nClose"); |
| | | fflush(g_logger->fp); |
| | | |
| | | g_logger->fp = fopen(g_logger->file, "a+"); |
| | | |
| | | if ( !g_logger->fp ) |
| | | rc = -2; |
| | | } |
| | | else |
| | | { |
| | | rc = -3; |
| | | } |
| | | |
| | | if (!rc) |
| | | { |
| | | logger_banner("\nReopen"); |
| | | } |
| | | return rc; |
| | | } |
| | | |
| | | static void logger_printout(char *level, char *fmt, va_list argp) |
| | | { |
| | | char buf[MAX_LOG_MESSAGE_LEN]; |
| | | struct tm *local; |
| | | struct timeval now; |
| | | char timestr[256]; |
| | | |
| | | pthread_t tid; |
| | | |
| | | check_and_rollback(); |
| | | |
| | | #ifdef MULTHREADS |
| | | tid = pthread_self(); |
| | | #else |
| | | tid = getpid(); |
| | | #endif |
| | | |
| | | gettimeofday(&now, NULL); |
| | | local = localtime(&now.tv_sec); |
| | | |
| | | strftime(timestr, 256, log_time_format, local); |
| | | vsnprintf(buf, MAX_LOG_MESSAGE_LEN, fmt, argp); |
| | | |
| | | #ifdef DUMPLICATE_OUTPUT |
| | | printf("%s.%03ld [%s] [%06lu]: %s", |
| | | timestr, now.tv_usec / PRECISE_TIME_FACTOR, level, tid, buf); |
| | | #endif |
| | | |
| | | if (g_logger->fp) |
| | | fprintf(g_logger->fp, "%s.%03ld [%s] [%06lu]: %s", timestr, now.tv_usec / PRECISE_TIME_FACTOR, |
| | | level, tid, buf); |
| | | |
| | | if (g_logger->fp) |
| | | fflush(g_logger->fp); |
| | | } |
| | | |
| | | static void logger_printout_line(char *level, char *fmt, char *file, int line, va_list argp) |
| | | { |
| | | char buf[MAX_LOG_MESSAGE_LEN]; |
| | | struct tm *local; |
| | | struct timeval now; |
| | | char timestr[256]; |
| | | |
| | | pthread_t tid; |
| | | |
| | | check_and_rollback(); |
| | | |
| | | #ifdef MULTHREADS |
| | | tid = pthread_self(); |
| | | #else |
| | | tid = getpid(); |
| | | #endif |
| | | |
| | | gettimeofday(&now, NULL); |
| | | local = localtime(&now.tv_sec); |
| | | |
| | | strftime(timestr, 256, log_time_format, local); |
| | | vsnprintf(buf, MAX_LOG_MESSAGE_LEN, fmt, argp); |
| | | |
| | | #ifdef DUMPLICATE_OUTPUT |
| | | printf("%s.%03ld [%s] [%06lu] (%s [%04d]) : %s", |
| | | timestr, now.tv_usec / PRECISE_TIME_FACTOR, level, tid, file, line, buf); |
| | | #endif |
| | | |
| | | if (g_logger->fp) |
| | | fprintf(g_logger->fp, "%s.%03ld [%s] [%06lu] (%s [%04d]) : %s", |
| | | timestr, now.tv_usec / PRECISE_TIME_FACTOR, level, tid, file, line, buf); |
| | | |
| | | if (g_logger->fp) |
| | | fflush(g_logger->fp); |
| | | } |
| | | |
| | | void logger_comm(int level, char *fmt, ...) |
| | | { |
| | | va_list argp; |
| | | |
| | | if ( level > g_logger->level ) |
| | | return; |
| | | |
| | | va_start(argp, fmt); |
| | | logger_printout(log_str[level], fmt, argp); |
| | | va_end(argp); |
| | | } |
| | | |
| | | void logger_line(int level, char *file, int line, char *fmt, ...) |
| | | { |
| | | va_list argp; |
| | | |
| | | if ( level > g_logger->level ) |
| | | return; |
| | | |
| | | va_start(argp, fmt); |
| | | logger_printout_line(log_str[level], fmt, file, line, argp); |
| | | |
| | | va_end(argp); |
| | | } |
| | | |
| | | #define LINELEN 81 |
| | | #define CHARS_PER_LINE 16 |
| | | static char *print_char = |
| | | " " |
| | | " " |
| | | " !\"#$%&'()*+,-./" |
| | | "0123456789:;<=>?" |
| | | "@ABCDEFGHIJKLMNO" |
| | | "PQRSTUVWXYZ[\\]^_" |
| | | "`abcdefghijklmno" |
| | | "pqrstuvwxyz{|}~ " |
| | | " " |
| | | " " |
| | | " ???????????????" |
| | | "????????????????" |
| | | "????????????????" |
| | | "????????????????" |
| | | "????????????????" |
| | | "????????????????"; |
| | | |
| | | void logger_dump(int level, char *buf, int len) |
| | | { |
| | | int rc; |
| | | int idx; |
| | | char prn[LINELEN]; |
| | | char lit[CHARS_PER_LINE + 2]; |
| | | char hc[4]; |
| | | short line_done = 1; |
| | | |
| | | if ( level > g_logger->level ) |
| | | return; |
| | | |
| | | rc = len; |
| | | idx = 0; |
| | | lit[CHARS_PER_LINE] = '\0'; |
| | | |
| | | while (rc > 0) |
| | | { |
| | | if (line_done) |
| | | snprintf(prn, LINELEN, "%08X: ", idx); |
| | | |
| | | do |
| | | { |
| | | unsigned char c = buf[idx]; |
| | | snprintf(hc, 4, "%02X ", c); |
| | | strncat(prn, hc, LINELEN); |
| | | |
| | | lit[idx % CHARS_PER_LINE] = print_char[c]; |
| | | } |
| | | while (--rc > 0 && (++idx % CHARS_PER_LINE != 0)); |
| | | |
| | | line_done = (idx % CHARS_PER_LINE) == 0; |
| | | if (line_done) |
| | | { |
| | | #ifdef DUMPLICATE_OUTPUT |
| | | printf("%s %s\n", prn, lit); |
| | | #endif |
| | | if (g_logger->fp) |
| | | fprintf(g_logger->fp, "%s %s\n", prn, lit); |
| | | } |
| | | } |
| | | |
| | | if (!line_done) |
| | | { |
| | | int ldx = idx % CHARS_PER_LINE; |
| | | lit[ldx++] = print_char[(int)buf[idx]]; |
| | | lit[ldx] = '\0'; |
| | | |
| | | while ((++idx % CHARS_PER_LINE) != 0) |
| | | strncat(prn, " ", LINELEN); |
| | | |
| | | #ifdef DUMPLICATE_OUTPUT |
| | | printf("%s %s\n", prn, lit); |
| | | #endif |
| | | if (g_logger->fp) |
| | | fprintf(g_logger->fp, "%s %s\n", prn, lit); |
| | | |
| | | } |
| | | } |
New file |
| | |
| | | /******************************************************************************** |
| | | * Copyright: (C) 2018 LingYun IoT System Studio |
| | | * All rights reserved. |
| | | * |
| | | * Filename: logger.h |
| | | * Description: This file is the linux infrastructural logger system library |
| | | * |
| | | * Version: 1.0.0(08/08/2018~) |
| | | * Author: Guo Wenxue <guowenxue@gmail.com> |
| | | * ChangeLog: 1, Release initial version on "08/08/2018 05:16:56 PM" |
| | | * |
| | | ********************************************************************************/ |
| | | |
| | | #ifndef __LOGGER_H_ |
| | | #define __LOGGER_H_ |
| | | |
| | | #include <stdarg.h> |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | #include <unistd.h> |
| | | #include <signal.h> |
| | | #include <time.h> |
| | | #include <errno.h> |
| | | |
| | | #include <pthread.h> |
| | | #include <sys/types.h> |
| | | #include <sys/time.h> |
| | | |
| | | #define LOG_VERSION_STR "2.0.0" |
| | | |
| | | #ifndef FILENAME_LEN |
| | | #define FILENAME_LEN 64 |
| | | #endif |
| | | |
| | | #define DEFAULT_LOGFILE "logger.log" |
| | | #define DBG_LOG_FILE "console" /* Debug mode log file is console */ |
| | | |
| | | #define LOG_ROLLBACK_SIZE 512 /* Default rollback log size */ |
| | | #define LOG_ROLLBACK_NONE 0 /* Set rollback size to 0 will not rollback */ |
| | | |
| | | #define MAX_LOG_MESSAGE_LEN 0x1000 |
| | | |
| | | //#define DUMPLICATE_OUTPUT /* Log to file and printf on console */ |
| | | #define LOG_FILE_LINE /* Log the file and line */ |
| | | |
| | | enum |
| | | { |
| | | LOG_LEVEL_DISB = 0, /* Disable "Debug" */ |
| | | LOG_LEVEL_FATAL, /* Debug Level "Fatal" */ |
| | | LOG_LEVEL_ERROR, /* Debug Level "ERROR" */ |
| | | LOG_LEVEL_WARN, /* Debug Level "warnning" */ |
| | | LOG_LEVEL_NRML, /* Debug Level "Normal" */ |
| | | LOG_LEVEL_DEBUG, /* Debug Level "Debug" */ |
| | | LOG_LEVEL_INFO, /* Debug Level "Information" */ |
| | | LOG_LEVEL_TRACE, /* Debug Level "Trace" */ |
| | | LOG_LEVEL_MAX, |
| | | }; |
| | | |
| | | #define LOGGER_CONSOLE 1<<1 |
| | | #define LOGGER_FILE 0<<1 |
| | | |
| | | #define LOGGER_LEVEL_OPT 1<<2 /* The log level is sepcified by the command option */ |
| | | typedef struct _st_logger |
| | | { |
| | | unsigned char flag; /* This logger pointer is malloc() or passed by argument */ |
| | | char file[FILENAME_LEN]; |
| | | int level; |
| | | int size; |
| | | |
| | | FILE *fp; |
| | | } st_logger; |
| | | |
| | | |
| | | extern int logger_init(char *filename, int level, int log_size); |
| | | extern int logger_reopen(void); |
| | | |
| | | extern void logger_term(void); |
| | | |
| | | extern void logger_comm(int level, char *fmt, ...); |
| | | extern void logger_line(int level, char *file, int line, char *fmt, ...); |
| | | |
| | | extern void logger_dump(int level, char *buf, int len); |
| | | |
| | | #ifdef LOG_FILE_LINE |
| | | #define log_trace(fmt, ...) logger_line(LOG_LEVEL_TRACE, __FILE__, __LINE__, fmt, ##__VA_ARGS__) |
| | | #define log_info(fmt, ...) logger_line(LOG_LEVEL_INFO, __FILE__, __LINE__, fmt, ##__VA_ARGS__) |
| | | #define log_dbg(fmt, ...) logger_line(LOG_LEVEL_DEBUG, __FILE__, __LINE__, fmt, ##__VA_ARGS__) |
| | | #define log_nrml(fmt, ...) logger_line(LOG_LEVEL_NRML, __FILE__, __LINE__, fmt, ##__VA_ARGS__) |
| | | #define log_warn(fmt, ...) logger_line(LOG_LEVEL_WARN, __FILE__, __LINE__, fmt, ##__VA_ARGS__) |
| | | #define log_err(fmt, ...) logger_line(LOG_LEVEL_ERROR, __FILE__, __LINE__, fmt, ##__VA_ARGS__) |
| | | #define log_fatal(fmt, ...) logger_line(LOG_LEVEL_FATAL, __FILE__, __LINE__, fmt, ##__VA_ARGS__) |
| | | #else |
| | | #define log_trace(fmt, ...) logger_comm(LOG_LEVEL_TRACE, fmt, ##__VA_ARGS__) |
| | | #define log_info(fmt, ...) logger_comm(tLOG_LEVEL_INFO, fmt, ##__VA_ARGS__) |
| | | #define log_dbg(fmt, ...) logger_comm(LOG_LEVEL_DEBUG, fmt, ##__VA_ARGS__) |
| | | #define log_nrml(fmt, ...) logger_comm(LOG_LEVEL_NRML, fmt, ##__VA_ARGS__) |
| | | #define log_warn(fmt, ...) logger_comm(LOG_LEVEL_WARN, fmt, ##__VA_ARGS__) |
| | | #define log_err(fmt, ...) logger_comm(LOG_LEVEL_ERROR, fmt, ##__VA_ARGS__) |
| | | #define log_fatal(fmt, ...) logger_comm(LOG_LEVEL_FATAL, fmt, ##__VA_ARGS__) |
| | | #endif |
| | | |
| | | |
| | | #endif /* __LOGGER_H_ */ |
File was renamed from mqttd/cJSON/makefile |
| | |
| | | |
| | | PWD=$(shell pwd ) |
| | | |
| | | LIBNAME=$(shell basename ${PWD} ) |
| | | PROJPATH=$(shell dirname ${PWD} ) |
| | | |
| | | CFLAGS+=-I${PROJPATH} |
| | | |
| | | all: clean |
| | | @rm -f *.o |
| | | @${CROSS_COMPILE}gcc -c *.c |
| | | @${CROSS_COMPILE}gcc ${CFLAGS} -c *.c |
| | | ${CROSS_COMPILE}ar -rcs lib${LIBNAME}.a *.o |
| | | |
| | | clean: |
| | |
| | | #include <time.h> |
| | | #include <unistd.h> |
| | | |
| | | #include "led.h" |
| | | #include "ds18b20.h" |
| | | #include "sht20.h" |
| | | |
| | | int hal_init(void); |
| | | #include "logger.h" |
| | | #include "hal.h" |
| | | |
| | | /******************************************************************************** |
| | | * Description: |
| | |
| | | float temp; |
| | | float rh; |
| | | |
| | | if( hal_init() < 0 ) |
| | | //if( logger_init("mqttd.log", LOG_LEVEL_DEBUG, 1024) < 0 ) |
| | | if( logger_init(DBG_LOG_FILE, LOG_LEVEL_DEBUG, 1024) < 0 ) |
| | | { |
| | | printf("Initialise hardware failure\n"); |
| | | fprintf(stderr, "Logger system initialise failure\n"); |
| | | return -1; |
| | | } |
| | | |
| | | while(1) |
| | | |
| | | log_dbg("Logger system initialise ok\n"); |
| | | |
| | | #if 0 |
| | | if( hal_init() < 0 ) |
| | | { |
| | | turn_led(LED_R, ON); |
| | | sleep(1); |
| | | turn_led(LED_R, OFF); |
| | | sleep(1); |
| | | |
| | | turn_led(LED_G, ON); |
| | | sleep(1); |
| | | turn_led(LED_G, OFF); |
| | | sleep(1); |
| | | |
| | | turn_led(LED_B, ON); |
| | | sleep(1); |
| | | turn_led(LED_B, OFF); |
| | | sleep(1); |
| | | |
| | | if(sht2x_get_temp_humidity(&temp, &rh) < 0) |
| | | { |
| | | printf("SHT2X get temperature and relative humidity failure\n"); |
| | | log_err("Initialise hardware failure\n"); |
| | | return -1; |
| | | } |
| | | else |
| | | { |
| | | printf("SHT2X Temperature=%lfC, Relative humidity=%lf%% \n", temp, rh); |
| | | } |
| | | #endif |
| | | |
| | | log_nrml("HAL initialise ok\n"); |
| | | |
| | | |
| | | if( ds18b20_get_temperature(&temp) < 0) |
| | | { |
| | | printf("DS18B20 get temperature failure\n"); |
| | | } |
| | | else |
| | | { |
| | | printf("DS18B20 get temperature=%lf ℃ \n", temp); |
| | | } |
| | | } |
| | | logger_term(); |
| | | |
| | | return 0; |
| | | } /* ----- End of main() ----- */ |
| | | |
| | | |
| | | int hal_init(void) |
| | | { |
| | | init_led(); |
| | | |
| | | if( sht2x_init() < 0 ) |
| | | { |
| | | printf("Initialise SHT20 failure\n"); |
| | | return -2; |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | |
| | | export CFLAGS |
| | | export LDFLAGS |
| | | |
| | | CFLAGS+=-Ihal -IcJSON |
| | | LDFLAGS+=-L hal -lhal -LcJSON -lcJSON |
| | | CFLAGS+=-Ihal -Ilylib |
| | | LDFLAGS+=-L hal -lhal -Llylib -llylib |
| | | |
| | | SRCFILES = $(wildcard *.c) |
| | | IMAGE_NAME=$(shell basename ${PWD}) |
| | |
| | | |
| | | modules: |
| | | make -C hal |
| | | make -C cJSON |
| | | make -C lylib |
| | | cd ${MQTT_LIBPATH} && bash build.sh |
| | | |
| | | binary: ${SRCFILES} |
| | |
| | | |
| | | clean: |
| | | @make clean -C hal |
| | | @make clean -C cJSON |
| | | @make clean -C lylib |
| | | @rm -f version.h |
| | | @rm -f *.o $(IMAGE_NAME) |
| | | @rm -rf *.gdb *.a *.so *.elf* |