From f63647218e192628aa8598d504e064529398f159 Mon Sep 17 00:00:00 2001 From: guowenxue <guowenxue@gmail.com> Date: Mon, 06 Nov 2023 17:22:09 +0800 Subject: [PATCH] rename ddns example code --- ch6_ipc/fifo_chat.c | 37 ++++++++++++------------------------- 1 files changed, 12 insertions(+), 25 deletions(-) diff --git a/ch6_ipc/fifo_chat.c b/ch6_ipc/fifo_chat.c index ec1c3c4..776e605 100644 --- a/ch6_ipc/fifo_chat.c +++ b/ch6_ipc/fifo_chat.c @@ -31,8 +31,6 @@ fd_set rdset; char buf[1024]; int mode = 0; - char *rd_fifo = NULL; - char *wr_fifo = NULL; if( argc != 2 ) { @@ -42,17 +40,6 @@ } mode = atoi(argv[1]); - - if( 0 == mode ) - { - rd_fifo = FIFO_FILE1; - wr_fifo = FIFO_FILE2; - } - else - { - rd_fifo = FIFO_FILE2; - wr_fifo = FIFO_FILE1; - } if( access(FIFO_FILE1 , F_OK) ) { @@ -70,33 +57,33 @@ if( 0 == mode ) { - printf("start open '%s' for read and it will blocked untill write endpoint opened...\n", rd_fifo); - if( (fdr_fifo=open(rd_fifo, O_RDONLY)) < 0 ) + printf("start open '%s' for read and it will blocked untill write endpoint opened...\n", FIFO_FILE1); + if( (fdr_fifo=open(FIFO_FILE1, O_RDONLY)) < 0 ) { - printf("Open fifo[%s] for chat read endpoint failure: %s\n", rd_fifo, strerror(errno)); + printf("Open fifo[%s] for chat read endpoint failure: %s\n", FIFO_FILE1, strerror(errno)); return -1; } - printf("start open '%s' for write...\n", wr_fifo); - if( (fdw_fifo=open(wr_fifo, O_WRONLY)) < 0 ) + printf("start open '%s' for write...\n", FIFO_FILE2); + if( (fdw_fifo=open(FIFO_FILE2, O_WRONLY)) < 0 ) { - printf("Open fifo[%s] for chat write endpoint failure: %s\n", wr_fifo, strerror(errno)); + printf("Open fifo[%s] for chat write endpoint failure: %s\n", FIFO_FILE2, strerror(errno)); return -1; } } else { - printf("start open '%s' for write and it will blocked untill read endpoint opened...\n", wr_fifo); - if( (fdw_fifo=open(wr_fifo, O_WRONLY)) < 0 ) + printf("start open '%s' for write and it will blocked untill read endpoint opened...\n", FIFO_FILE1); + if( (fdw_fifo=open(FIFO_FILE1, O_WRONLY)) < 0 ) { - printf("Open fifo[%s] for chat write endpoint failure: %s\n", wr_fifo, strerror(errno)); + printf("Open fifo[%s] for chat write endpoint failure: %s\n", FIFO_FILE1, strerror(errno)); return -1; } - printf("start open '%s' for read...\n", rd_fifo); - if( (fdr_fifo=open(rd_fifo, O_RDONLY)) < 0 ) + printf("start open '%s' for read...\n", FIFO_FILE2); + if( (fdr_fifo=open(FIFO_FILE2, O_RDONLY)) < 0 ) { - printf("Open fifo[%s] for chat read endpoint failure: %s\n", rd_fifo, strerror(errno)); + printf("Open fifo[%s] for chat read endpoint failure: %s\n", FIFO_FILE2, strerror(errno)); return -1; } } -- Gitblit v1.9.1