/*

 * Copyright (C) the libgit2 contributors. All rights reserved.

 *

 * This file is part of libgit2, distributed under the GNU GPL v2 with

 * a Linking Exception. For full terms see the included COPYING file.

 */

#include <stdio.h>

#include "git2_util.h"

#include "vector.h"

#include "strlist.h"

int git_strlist_copy(char ***out, const char **in, size_t len)

{

  char **dup;

  size_t i;

  dup = git__calloc(len, sizeof(char *));

  GIT_ERROR_CHECK_ALLOC(dup);

  for (i = 0; i < len; i++) {

    dup[i] = git__strdup(in[i]);

    GIT_ERROR_CHECK_ALLOC(dup[i]);

  }

  *out = dup;

  return 0;

}

int git_strlist_copy_with_null(char ***out, const char **in, size_t len)

{

  char **dup;

  size_t new_len, i;

  GIT_ERROR_CHECK_ALLOC_ADD(&new_len, len, 1);

  dup = git__calloc(new_len, sizeof(char *));

  GIT_ERROR_CHECK_ALLOC(dup);

  for (i = 0; i < len; i++) {

    dup[i] = git__strdup(in[i]);

    GIT_ERROR_CHECK_ALLOC(dup[i]);

  }

  *out = dup;

  return 0;

}

bool git_strlist_contains_prefix(

  const char **strings,

  size_t len,

  const char *str,

  size_t n)

{

  size_t i;

  for (i = 0; i < len; i++) {

    if (strncmp(strings[i], str, n) == 0)

      return true;

  }

  return false;

}

bool git_strlist_contains_key(

  const char **strings,

  size_t len,

  const char *key,

  char delimiter)

{

  const char *c;

  for (c = key; *c; c++) {

    if (*c == delimiter)

      break;

  }

  return *c ?

         git_strlist_contains_prefix(strings, len, key, (c - key)) :

         false;

}

void git_strlist_free(char **strings, size_t len)

{

  size_t i;

  if (!strings)

    return;

  for (i = 0; i < len; i++)

    git__free(strings[i]);

  git__free(strings);

}

void git_strlist_free_with_null(char **strings)

{

  char **s;

  if (!strings)

    return;

  for (s = strings; *s; s++)

    git__free(*s);

  git__free(strings);

}