From c673e9b9ea5f25a491efa2d62cd67456758886c2 Mon Sep 17 00:00:00 2001 From: Philip Wittamore Date: Sat, 10 May 2025 12:12:16 +0200 Subject: update --- components/run_command.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 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..93bf6da --- /dev/null +++ b/components/run_command.c @@ -0,0 +1,31 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include + +#include "../slstatus.h" +#include "../util.h" + +const char * +run_command(const char *cmd) +{ + char *p; + FILE *fp; + + if (!(fp = popen(cmd, "r"))) { + warn("popen '%s':", cmd); + return NULL; + } + + p = fgets(buf, sizeof(buf) - 1, fp); + if (pclose(fp) < 0) { + warn("pclose '%s':", cmd); + return NULL; + } + if (!p) + return NULL; + + if ((p = strrchr(buf, '\n'))) + p[0] = '\0'; + + return buf[0] ? buf : NULL; +} -- cgit v1.2.3