Unify header includes

[slstatus.git] / components / num_files.c

diff --git a/components/num_files.c b/components/num_files.c
index c471400..ab43694 100644 (file)
--- a/components/num_files.c
+++ b/components/num_files.c
@@ -1,5 +1,6 @@
 /* See LICENSE file for copyright and license details. */
 #include <dirent.h>
+#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -12,14 +13,15 @@ num_files(const char *dir)
        DIR *fd;
        int num = 0;
 
-       if ((fd = opendir(dir)) == NULL) {
-               fprintf(stderr, "Failed to get number of files in directory %s", dir);
+       if (!(fd = opendir(dir))) {
+               fprintf(stderr, "opendir '%s': %s\n", dir, strerror(errno));
                return NULL;
        }
 
-       while ((dp = readdir(fd)) != NULL) {
-               if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+       while ((dp = readdir(fd))) {
+               if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) {
                        continue; /* skip self and parent */
+               }
                num++;
        }