/* See LICENSE file for copyright and license details. */
-#include <errno.h>
#include <stdio.h>
#include <string.h>
FILE *fp;
if (!(fp = popen(cmd, "r"))) {
- fprintf(stderr, "popen '%s': %s\n", cmd, strerror(errno));
+ warn("popen '%s':", cmd);
return NULL;
}
p = fgets(buf, sizeof(buf) - 1, fp);
- pclose(fp);
+ if (pclose(fp) < 0) {
+ warn("pclose '%s':", cmd);
+ return NULL;
+ }
if (!p) {
return NULL;
}