blob: 26f1f174929a5061338fa570b733aa30c2537807 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
#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;
}
|
