t/helper/test-dir-iterator.c

   1 #include "test-tool.h"
   2 #include "git-compat-util.h"
   3 #include "strbuf.h"
   4 #include "iterator.h"
   5 #include "dir-iterator.h"
   6
   7 static const char *error_name(int error_number)
   8 {
   9         switch (error_number) {
  10         case ENOENT: return "ENOENT";
  11         case ENOTDIR: return "ENOTDIR";
  12         default: return "ESOMETHINGELSE";
  13         }
  14 }
  15
  16 /*
  17  * usage:
  18  * tool-test dir-iterator [--follow-symlinks] [--pedantic] directory_path
  19  */
  20 int cmd__dir_iterator(int argc, const char **argv)
  21 {
  22         struct strbuf path = STRBUF_INIT;
  23         struct dir_iterator *diter;
  24         unsigned int flags = 0;
  25         int iter_status;
  26
  27         for (++argv, --argc; *argv && starts_with(*argv, "--"); ++argv, --argc) {
  28                 if (strcmp(*argv, "--follow-symlinks") == 0)
  29                         flags |= DIR_ITERATOR_FOLLOW_SYMLINKS;
  30                 else if (strcmp(*argv, "--pedantic") == 0)
  31                         flags |= DIR_ITERATOR_PEDANTIC;
  32                 else
  33                         die("invalid option '%s'", *argv);
  34         }
  35
  36         if (!*argv || argc != 1)
  37                 die("dir-iterator needs exactly one non-option argument");
  38
  39         strbuf_add(&path, *argv, strlen(*argv));
  40         diter = dir_iterator_begin(path.buf, flags);
  41
  42         if (!diter) {
  43                 printf("dir_iterator_begin failure: %s\n", error_name(errno));
  44                 exit(EXIT_FAILURE);
  45         }
  46
  47         while ((iter_status = dir_iterator_advance(diter)) == ITER_OK) {
  48                 if (S_ISDIR(diter->st.st_mode))
  49                         printf("[d] ");
  50                 else if (S_ISREG(diter->st.st_mode))
  51                         printf("[f] ");
  52                 else if (S_ISLNK(diter->st.st_mode))
  53                         printf("[s] ");
  54                 else
  55                         printf("[?] ");
  56
  57                 printf("(%s) [%s] %s\n", diter->relative_path, diter->basename,
  58                        diter->path.buf);
  59         }
  60
  61         if (iter_status != ITER_DONE) {
  62                 printf("dir_iterator_advance failure\n");
  63                 return 1;
  64         }
  65
  66         return 0;
  67 }