1/*
2 Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
3
4 This software is provided 'as-is', without any express or implied
5 warranty. In no event will the authors be held liable for any damages
6 arising from the use of this software.
7
8 Permission is granted to anyone to use this software for any purpose,
9 including commercial applications, and to alter it and redistribute it
10 freely.
11*/
12
13#include <stdio.h>
14
15#include "SDL.h"
16
17static size_t
18widelen(char *data)
19{
20 size_t len = 0;
21 Uint32 *p = (Uint32 *) data;
22 while (*p++) {
23 ++len;
24 }
25 return len;
26}
27
28int
29main(int argc, char *argv[])
30{
31 const char *formats[] = {
32 "UTF8",
33 "UTF-8",
34 "UTF16BE",
35 "UTF-16BE",
36 "UTF16LE",
37 "UTF-16LE",
38 "UTF32BE",
39 "UTF-32BE",
40 "UTF32LE",
41 "UTF-32LE",
42 "UCS4",
43 "UCS-4",
44 };
45 char buffer[BUFSIZ];
46 char *ucs4;
47 char *test[2];
48 int i;
49 FILE *file;
50 int errors = 0;
51
52 /* Enable standard application logging */
53 SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
54
55 if (!argv[1]) {
56 argv[1] = "utf8.txt";
57 }
58 file = fopen(argv[1], "rb");
59 if (!file) {
60 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to open %s\n", argv[1]);
61 return (1);
62 }
63
64 while (fgets(buffer, sizeof(buffer), file)) {
65 /* Convert to UCS-4 */
66 size_t len;
67 ucs4 =
68 SDL_iconv_string("UCS-4", "UTF-8", buffer,
69 SDL_strlen(buffer) + 1);
70 len = (widelen(ucs4) + 1) * 4;
71 for (i = 0; i < SDL_arraysize(formats); ++i) {
72 test[0] = SDL_iconv_string(formats[i], "UCS-4", ucs4, len);
73 test[1] = SDL_iconv_string("UCS-4", formats[i], test[0], len);
74 if (!test[1] || SDL_memcmp(test[1], ucs4, len) != 0) {
75 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "FAIL: %s\n", formats[i]);
76 ++errors;
77 }
78 SDL_free(test[0]);
79 SDL_free(test[1]);
80 }
81 test[0] = SDL_iconv_string("UTF-8", "UCS-4", ucs4, len);
82 SDL_free(ucs4);
83 fputs(test[0], stdout);
84 SDL_free(test[0]);
85 }
86 fclose(file);
87 return (errors ? errors + 1 : 0);
88}
89