doompanning/test/testiconv.c
oxmox 8d141da463 Squashed 'external/SDL/' content from commit adf31f6ec
git-subtree-dir: external/SDL
git-subtree-split: adf31f6ec0be0f9ba562889398f71172c7941023
2023-02-22 19:20:36 +01:00

97 lines
2.5 KiB
C

/*
Copyright (C) 1997-2023 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.
*/
/* 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);
fputs(test[0], stdout);
SDL_free(test[0]);
}
fclose(file);
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Total errors: %d\n", errors);
return (errors ? errors + 1 : 0);
}