kc3-lang/SDL/test/testiconv.c

Branch : - branch - v2.28 - tag -

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  Commit

• Author : Sam Lantinga
  Date : 2013-08-29 08:29:21
  Hash : f79fc33a
  Message : Christoph Mallon: Remove pointless if (x) before SDL_free(x)

• test/testiconv.c

• /*
    Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
  
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.
  
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely.
  */
  
  #include <stdio.h>
  
  #include "SDL.h"
  
  static size_t
  widelen(char *data)
  {
      size_t len = 0;
      Uint32 *p = (Uint32 *) data;
      while (*p++) {
          ++len;
      }
      return len;
  }
  
  int
  main(int argc, char *argv[])
  {
      const char *formats[] = {
          "UTF8",
          "UTF-8",
          "UTF16BE",
          "UTF-16BE",
          "UTF16LE",
          "UTF-16LE",
          "UTF32BE",
          "UTF-32BE",
          "UTF32LE",
          "UTF-32LE",
          "UCS4",
          "UCS-4",
      };
      char buffer[BUFSIZ];
      char *ucs4;
      char *test[2];
      int i;
      FILE *file;
      int errors = 0;
  
      /* Enable standard application logging */
      SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
  
      if (!argv[1]) {
          argv[1] = "utf8.txt";
      }
      file = fopen(argv[1], "rb");
      if (!file) {
          SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to open %s\n", argv[1]);
          return (1);
      }
  
      while (fgets(buffer, sizeof(buffer), file)) {
          /* Convert to UCS-4 */
          size_t len;
          ucs4 =
              SDL_iconv_string("UCS-4", "UTF-8", buffer,
                               SDL_strlen(buffer) + 1);
          len = (widelen(ucs4) + 1) * 4;
          for (i = 0; i < SDL_arraysize(formats); ++i) {
              test[0] = SDL_iconv_string(formats[i], "UCS-4", ucs4, len);
              test[1] = SDL_iconv_string("UCS-4", formats[i], test[0], len);
              if (!test[1] || SDL_memcmp(test[1], ucs4, len) != 0) {
                  SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "FAIL: %s\n", formats[i]);
                  ++errors;
              }
              SDL_free(test[0]);
              SDL_free(test[1]);
          }
          test[0] = SDL_iconv_string("UTF-8", "UCS-4", ucs4, len);
          SDL_free(ucs4);
          fputs(test[0], stdout);
          SDL_free(test[0]);
      }
      fclose(file);
      return (errors ? errors + 1 : 0);
  }