Fix coding style

[slstatus.git] / components / run_command.c

diff --git a/components/run_command.c b/components/run_command.c
index 4a63896..1aaae20 100644 (file)
--- a/components/run_command.c
+++ b/components/run_command.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
 /* See LICENSE file for copyright and license details. */

+#include <errno.h>

 #include <stdio.h>
 #include <string.h>
 
 #include <stdio.h>
 #include <string.h>
 


@@ -10,17 +11,18 @@ run_command(const char *cmd)
        char *p;
        FILE *fp;
 
        char *p;
        FILE *fp;
 

-       fp = popen(cmd, "r");
-       if (fp == NULL) {
-               fprintf(stderr, "Failed to get command output for %s", cmd);
+       if (!(fp = popen(cmd, "r"))) {
+               fprintf(stderr, "popen '%s': %s\n", cmd, strerror(errno));

                return NULL;
        }
        p = fgets(buf, sizeof(buf) - 1, fp);
        pclose(fp);
                return NULL;
        }
        p = fgets(buf, sizeof(buf) - 1, fp);
        pclose(fp);

-       if (!p)
+       if (!p) {

                return NULL;
                return NULL;

-       if ((p = strrchr(buf, '\n')) != NULL)
+       }
+       if ((p = strrchr(buf, '\n'))) {

                p[0] = '\0';
                p[0] = '\0';

+       }

 
        return buf[0] ? buf : NULL;
 }
 
        return buf[0] ? buf : NULL;
 }