lsx: return failure on error

diff --git a/lsx.c b/lsx.c
index f337a4a..57c03bf 100644 (file)
--- a/lsx.c
+++ b/lsx.c
@@ -8,6 +8,8 @@
 
 static void lsx(const char *dir);
 
+static int status = EXIT_SUCCESS;
+
 int
 main(int argc, char *argv[]) {
        int i;
@@ -16,7 +18,7 @@ main(int argc, char *argv[]) {
                lsx(".");
        else for(i = 1; i < argc; i++)
                lsx(argv[i]);
-       return EXIT_SUCCESS;
+       return status;
 }
 
 void
@@ -27,12 +29,13 @@ lsx(const char *dir) {
        DIR *dp;
 
        if(!(dp = opendir(dir))) {
+               status = EXIT_FAILURE;
                perror(dir);
                return;
        }
        while((d = readdir(dp)))
                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)
+               && stat(buf, &st) == 0 && S_ISREG(st.st_mode) && access(buf, X_OK) == 0)
                        puts(d->d_name);
        closedir(dp);
 }