merge xim -> default

[dmenu.git] / lsx.c

diff --git a/lsx.c b/lsx.c
index fd28625..cb016cf 100644 (file)
--- a/lsx.c
+++ b/lsx.c
@@ -1,13 +1,16 @@
 /* See LICENSE file for copyright and license details. */
 #include <dirent.h>
+#include <errno.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <unistd.h>
 #include <sys/stat.h>
 
 static void lsx(const char *dir);
 
+static int status = EXIT_SUCCESS;
+
 int
 main(int argc, char *argv[]) {
        int i;
@@ -16,7 +19,7 @@ main(int argc, char *argv[]) {
                lsx(".");
        else for(i = 1; i < argc; i++)
                lsx(argv[i]);
-       return EXIT_SUCCESS;
+       return status;
 }
 
 void
@@ -26,14 +29,15 @@ lsx(const char *dir) {
        struct stat st;
        DIR *dp;
 
-       if(!(dp = opendir(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)
+       for(dp = opendir(dir); dp && (d = readdir(dp)); errno = 0)
+               if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (int)sizeof buf
+               && access(buf, X_OK) == 0 && stat(buf, &st) == 0 && S_ISREG(st.st_mode))
                        puts(d->d_name);
+
+       if(errno != 0) {
+               status = EXIT_FAILURE;
+               perror(dir);
        }
-       closedir(dp);
+       if(dp)
+               closedir(dp);
 }