From 6820631175868c277effa7cc05f9cb3197b72654 Mon Sep 17 00:00:00 2001 From: Aaron Marcher Date: Sun, 17 Sep 2017 16:18:17 +0200 Subject: Split into multiple files For multiple reasons the program is now split: - Make future porting to OpenBSD easier - Assign header includes to individiual functions - Make future program extensions easier - Recompile only changed parts --- run_command.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 run_command.c (limited to 'run_command.c') diff --git a/run_command.c b/run_command.c new file mode 100644 index 0000000..26f1f17 --- /dev/null +++ b/run_command.c @@ -0,0 +1,26 @@ +#include +#include +#include + +#include "util.h" + +const char * +run_command(const char *cmd) +{ + char *p; + FILE *fp; + + fp = popen(cmd, "r"); + if (fp == NULL) { + warn("Failed to get command output for %s", cmd); + return NULL; + } + p = fgets(buf, sizeof(buf) - 1, fp); + pclose(fp); + if (!p) + return NULL; + if ((p = strrchr(buf, '\n')) != NULL) + p[0] = '\0'; + + return buf[0] ? buf : NULL; +} -- cgit v1.2.3