uptime: Improve typing and sort headers

[slstatus.git] / components / run_command.c

diff --git a/components/run_command.c b/components/run_command.c
index b5eeff0..e00b478 100644 (file)
--- a/components/run_command.c
+++ b/components/run_command.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -16,7 +15,10 @@ run_command(const char *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;
        }