strlst.c

/*
 * String List Utils
 *
 * Copyright 2018 Pascal Bourguignon <pjb@informatimago.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#include <winpr/config.h>
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include <winpr/strlst.h>
#include <winpr/string.h>
 
void string_list_free(char** string_list)
{
  for (size_t i = 0; string_list[i]; i++)
  {
    free(string_list[i]);
  }
 
  free((void*)string_list);
}
 
int string_list_length(const char* const* string_list)
{
  int i = 0;
  for (; string_list[i]; i++)
    ;
 
  return i;
}
 
char** string_list_copy(const char* const* string_list)
{
  int length = string_list_length(string_list);
  char** copy = (char**)calloc(WINPR_ASSERTING_INT_CAST(size_t, length) + 1, sizeof(char*));
 
  if (!copy)
  {
    return 0;
  }
 
  for (int i = 0; i < length; i++)
  {
    copy[i] = _strdup(string_list[i]);
  }
 
  copy[length] = 0;
  return copy;
}
 
void string_list_print(FILE* out, const char* const* string_list)
{
  for (int j = 0; string_list[j]; j++)
  {
    (void)fprintf(out, "[%2d]: %s\n", j, string_list[j]);
  }
 
  (void)fflush(out);
}