libbb/iterate_on_dir.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * See README for additional information
   4  *
   5  * Licensed under GPLv2, see file LICENSE in this source tree.
   6  */
   7 //kbuild:lib-y += iterate_on_dir.o
   8
   9 #include "libbb.h"
  10
  11 /* Iterate a function on each entry of a directory */
  12 int FAST_FUNC iterate_on_dir(const char *dir_name,
  13                 int FAST_FUNC (*func)(const char *, struct dirent *, void *),
  14                 void *private)
  15 {
  16         DIR *dir;
  17         struct dirent *de;
  18
  19         dir = opendir(dir_name);
  20         if (dir == NULL) {
  21                 return -1;
  22         }
  23         while ((de = readdir(dir)) != NULL) {
  24                 func(dir_name, de, private);
  25         }
  26         closedir(dir);
  27         return 0;
  28 }