blob: 93bf6da7cca2a07eda436d75ff460c845197a85e (
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
27
28
29
30
31
|
/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <string.h>
#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;
}
|
