X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/86e9e6f1ecc4711d8fe447f5c0f2c1bd0feb8568..16a0c0d52aa947b3fe8c9285986567189537d339:/lsx.c

diff --git a/lsx.c b/lsx.c
index fd28625..79b506b 100644
--- a/lsx.c
+++ b/lsx.c
@@ -1,5 +1,6 @@
 /* See LICENSE file for copyright and license details. */
 #include <dirent.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -30,10 +31,9 @@ lsx(const char *dir) {
 		perror(dir);
 		return;
 	}
-	while((d = readdir(dp))) {
-		snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name);
-		if(!stat(buf, &st) && S_ISREG(st.st_mode) && access(buf, X_OK) == 0)
+	while((d = readdir(dp)))
+		if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (ssize_t)sizeof buf
+		&& !stat(buf, &st) && S_ISREG(st.st_mode) && access(buf, X_OK) == 0)
 			puts(d->d_name);
-	}
 	closedir(dp);
 }