lsx: check snprintf

1 files changed, 3 insertions, 4 deletions

diff --git a/lsx.c b/lsx.c
index fd28625..e5b5c0b 100644
--- a/lsx.c
+++ b/lsx.c
@@ -30,10 +30,9 @@ 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) < sizeof buf
+                && !stat(buf, &st) && S_ISREG(st.st_mode) && access(buf, X_OK) == 0)
                         puts(d->d_name);
-        }
         closedir(dp);
 }