lsx.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include <dirent.h>
   3 #include <limits.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <unistd.h>
   7 #include <sys/stat.h>
   8
   9 static void lsx(const char *dir);
  10
  11 static int status = EXIT_SUCCESS;
  12
  13 int
  14 main(int argc, char *argv[]) {
  15         int i;
  16
  17         if(argc < 2)
  18                 lsx(".");
  19         else for(i = 1; i < argc; i++)
  20                 lsx(argv[i]);
  21         return status;
  22 }
  23
  24 void
  25 lsx(const char *dir) {
  26         char buf[PATH_MAX];
  27         struct dirent *d;
  28         struct stat st;
  29         DIR *dp;
  30
  31         if(!(dp = opendir(dir))) {
  32                 status = EXIT_FAILURE;
  33                 perror(dir);
  34                 return;
  35         }
  36         while((d = readdir(dp)))
  37                 if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (int)sizeof buf
  38                 && stat(buf, &st) == 0 && S_ISREG(st.st_mode) && access(buf, X_OK) == 0)
  39                         puts(d->d_name);
  40         closedir(dp);
  41 }