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Diffstat (limited to 'lsx.c')
-rw-r--r--lsx.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/lsx.c b/lsx.c
index f337a4a..cb016cf 100644
--- a/lsx.c
+++ b/lsx.c
@@ -1,5 +1,6 @@
/* See LICENSE file for copyright and license details. */
#include <dirent.h>
+#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
@@ -8,6 +9,8 @@
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
@@ -26,13 +29,15 @@ lsx(const char *dir) {
struct stat st;
DIR *dp;
- if(!(dp = opendir(dir))) {
- perror(dir);
- return;
- }
- while((d = readdir(dp)))
+ for(dp = opendir(dir); dp && (d = readdir(dp)); errno = 0)
if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (int)sizeof buf
- && !stat(buf, &st) && S_ISREG(st.st_mode) && access(buf, X_OK) == 0)
+ && access(buf, X_OK) == 0 && stat(buf, &st) == 0 && S_ISREG(st.st_mode))
puts(d->d_name);
- closedir(dp);
+
+ if(errno != 0) {
+ status = EXIT_FAILURE;
+ perror(dir);
+ }
+ if(dp)
+ closedir(dp);
}