X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/96f3a8a54eeb3b2294ed953dad8b15349f3e2703..16a97fbca129bca5656f76191c1b324b1649ec22:/components/num_files.c

diff --git a/components/num_files.c b/components/num_files.c
index c471400..ab43694 100644
--- 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++;
 	}