From 7246dc4381c6c95454672a5c1aff65a02d6d3747 Mon Sep 17 00:00:00 2001 From: Laslo Hunhold Date: Sun, 24 Sep 2017 15:33:01 +0200 Subject: Move components into dedicated subdirectory This brings us a lot more tidiness. --- components/run_command.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 components/run_command.c (limited to 'components/run_command.c') diff --git a/components/run_command.c b/components/run_command.c new file mode 100644 index 0000000..99f54ea --- /dev/null +++ b/components/run_command.c @@ -0,0 +1,27 @@ +/* See LICENSE file for copyright and license details. */ +#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