components/num_files.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include <dirent.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5
   6 #include "../util.h"
   7
   8 const char *
   9 num_files(const char *dir)
  10 {
  11         struct dirent *dp;
  12         DIR *fd;
  13         int num;
  14
  15         if (!(fd = opendir(dir))) {
  16                 warn("opendir '%s':", dir);
  17                 return NULL;
  18         }
  19
  20         num = 0;
  21         while ((dp = readdir(fd))) {
  22                 if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) {
  23                         continue; /* skip self and parent */
  24                 }
  25                 num++;
  26         }
  27
  28         closedir(fd);
  29
  30         return bprintf("%d", num);
  31 }