LingYun Studio embeded system framwork software, such as thirdparty build shell and lingyun library
guowenxue
2024-08-21 7deaa4a49b1d0fb2112a69719141709b9c261c7c
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/*********************************************************************************
 *      Copyright:  (C) 2024 LingYun IoT System Studio
 *                  All rights reserved.
 *
 *       Filename:  ringbuf.c
 *    Description:  This file is ring buffer test code.
 *
 *        Version:  1.0.0(08/19/2024)
 *         Author:  Guo Wenxue <guowenxue@gmail.com>
 *      ChangeLog:  1, Release initial version on "08/19/2024 05:25:20 PM"
 *
 ********************************************************************************/
 
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <libgen.h>
#include "logger.h"
#include "ringbuf.h"
 
int main (int argc, char **argv)
{
    struct ring_buffer      rb;
    char                    rbuf[256];
    char                    buf[256];
 
    log_open("console", LOG_LEVEL_DEBUG, 0, LOG_LOCK_DISABLE);
 
    rb_init(&rb, rbuf, sizeof(rbuf));
    log_info("Initial rb with rbuf size: %d\n", sizeof(rbuf));
 
    rb_write(&rb, "Hello", strlen("Hello"));
    log_warn("After rb_write() data size: %d free size: %d\n", rb_data_size(&rb), rb_free_size(&rb));
 
    rb_write(&rb, "World", strlen("World"));
    log_warn("After rb_write() data size: %d free size: %d\n", rb_data_size(&rb), rb_free_size(&rb));
 
    memset(buf, 0, sizeof(buf));
    rb_copy(&rb, buf, sizeof(buf));
    log_info("rb_copy() out data: %s\n", buf);
    log_warn("After rb_copy() data size: %d free size: %d\n", rb_data_size(&rb), rb_free_size(&rb));
 
    memset(buf, 0, sizeof(buf));
    rb_read(&rb, buf, sizeof(buf));
    log_info("rb_read() out data: %s\n", buf);
    log_warn("After rb_read() data size: %d free size: %d\n", rb_data_size(&rb), rb_free_size(&rb));
 
    rb_clear(&rb);
 
    log_close();
    return 0;
}