test/misc/dirent.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include <dirent.h>
   7
   8 #define _DTIFY(DT) [DT] #DT
   9 const char * const types[] = {
  10         _DTIFY(DT_UNKNOWN),
  11         _DTIFY(DT_FIFO),
  12         _DTIFY(DT_CHR),
  13         _DTIFY(DT_DIR),
  14         _DTIFY(DT_BLK),
  15         _DTIFY(DT_REG),
  16         _DTIFY(DT_LNK),
  17         _DTIFY(DT_SOCK),
  18         _DTIFY(DT_WHT)
  19 };
  20
  21 int main(int argc, char *argv[])
  22 {
  23         DIR *dirh;
  24         struct dirent *de;
  25         const char *mydir = (argc == 1 ? "/" : argv[1]);
  26
  27         if ((dirh = opendir(mydir)) == NULL) {
  28                 perror("opendir");
  29                 return 1;
  30         }
  31
  32         printf("readdir() says:\n");
  33         while ((de = readdir(dirh)) != NULL)
  34                 printf("\tdir entry %s: %s\n", types[de->d_type], de->d_name);
  35
  36         closedir(dirh);
  37
  38         return 0;
  39 }