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slstatus/run_command.c
Aaron Marcher 6820631175
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
2017-09-17 17:26:45 +02:00

26 lines
415 B
C

#include <err.h>
#include <stdio.h>
#include <string.h>
#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;
}