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         GIT_ASSERT_ARG(tgt);
  17         GIT_ASSERT_ARG(src);
  18
  19         memset(tgt, 0, sizeof(*tgt));
  20
  21         if (!src->count)
  22                 return 0;
  23
  24         tgt->strings = git__calloc(src->count, sizeof(char *));
  25         GIT_ERROR_CHECK_ALLOC(tgt->strings);
  26
  27         for (i = 0; i < src->count; ++i) {
  28                 if (!src->strings[i])
  29                         continue;
  30
  31                 tgt->strings[tgt->count] = git__strdup(src->strings[i]);
  32                 if (!tgt->strings[tgt->count]) {
  33                         git_strarray_dispose(tgt);
  34                         memset(tgt, 0, sizeof(*tgt));
  35                         return -1;
  36                 }
  37
  38                 tgt->count++;
  39         }
  40
  41         return 0;
  42 }
  43
  44 void git_strarray_dispose(git_strarray *array)
  45 {
  46         size_t i;
  47
  48         if (array == NULL)
  49                 return;
  50
  51         for (i = 0; i < array->count; ++i)
  52                 git__free(array->strings[i]);
  53
  54         git__free(array->strings);
  55
  56         memset(array, 0, sizeof(*array));
  57 }
  58
  59 #ifndef GIT_DEPRECATE_HARD
  60 void git_strarray_free(git_strarray *array)
  61 {
  62         git_strarray_dispose(array);
  63 }
  64 #endif