src/strarray.c

   1 /*
   2  * Copyright (C) the libgit2 contributors. All rights reserved.
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7
   8 #include "util.h"
   9
  10 #include "common.h"
  11
  12 int git_strarray_copy(git_strarray *tgt, const git_strarray *src)
  13 {
  14         size_t i;
  15
  16         assert(tgt && src);
  17
  18         memset(tgt, 0, sizeof(*tgt));
  19
  20         if (!src->count)
  21                 return 0;
  22
  23         tgt->strings = git__calloc(src->count, sizeof(char *));
  24         GIT_ERROR_CHECK_ALLOC(tgt->strings);
  25
  26         for (i = 0; i < src->count; ++i) {
  27                 if (!src->strings[i])
  28                         continue;
  29
  30                 tgt->strings[tgt->count] = git__strdup(src->strings[i]);
  31                 if (!tgt->strings[tgt->count]) {
  32                         git_strarray_dispose(tgt);
  33                         memset(tgt, 0, sizeof(*tgt));
  34                         return -1;
  35                 }
  36
  37                 tgt->count++;
  38         }
  39
  40         return 0;
  41 }
  42
  43 void git_strarray_dispose(git_strarray *array)
  44 {
  45         size_t i;
  46
  47         if (array == NULL)
  48                 return;
  49
  50         for (i = 0; i < array->count; ++i)
  51                 git__free(array->strings[i]);
  52
  53         git__free(array->strings);
  54
  55         memset(array, 0, sizeof(*array));
  56 }
  57
  58 #ifndef GIT_DEPRECATE_HARD
  59 void git_strarray_free(git_strarray *array)
  60 {
  61         git_strarray_dispose(array);
  62 }
  63 #endif