lsx.c
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/* See LICENSE file for copyright and license details. */
#include <dirent.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.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;
if(argc < 2)
lsx(".");
else for(i = 1; i < argc; i++)
lsx(argv[i]);
return status;
}
void
lsx(const char *dir) {
char buf[PATH_MAX];
struct dirent *d;
struct stat st;
DIR *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
&& 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);
}
if(dp)
closedir(dp);
}