kc3-lang/SDL/test/testiconv.c

Branch : - branch - v2.28 - tag -

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• Author : Sam Lantinga
  Date : 2020-01-16 20:49:25
  Hash : a8780c6a
  Message : Updated copyright date for 2020

• test/testiconv.c

• /*
    Copyright (C) 1997-2020 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);
  }