/*

Copyright (C) 1997-2024 Sam Lantinga <[email protected]>

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.

*/

/* quiet windows compiler warnings */

#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)

#define _CRT_SECURE_NO_WARNINGS

#endif

#include <stdio.h>

#include "SDL.h"

#include "testutils.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 *fname;

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);

fname = GetResourceFilename(argc > 1 ? argv[1] : NULL, "utf8.txt");

file = fopen(fname, "rb");

if (!file) {

SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to open %s\n", fname);

return 1;

}

SDL_free(fname);

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);

(void)fputs(test[0], stdout);

SDL_free(test[0]);

}

(void)fclose(file);

SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Total errors: %d\n", errors);

return errors ? errors + 1 : 0;

}