🛠️🐜 Antkeeper superbuild with dependencies included
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97 lines
2.4 KiB
97 lines
2.4 KiB
#ifndef WIN_MAIN_UTF8_H
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#define WIN_MAIN_UTF8_H
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/* For Windows systems this provides a way to get UTF-8 encoded argv strings,
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* and also overrides fopen to accept UTF-8 filenames. Working with wmain
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* directly complicates cross-platform compatibility, while normal main() in
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* Windows uses the current codepage (which has limited availability of
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* characters).
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*
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* For MinGW, you must link with -municode
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*/
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <shellapi.h>
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static FILE *my_fopen(const char *fname, const char *mode)
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{
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WCHAR *wname=NULL, *wmode=NULL;
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int namelen, modelen;
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FILE *file = NULL;
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errno_t err;
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namelen = MultiByteToWideChar(CP_UTF8, 0, fname, -1, NULL, 0);
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modelen = MultiByteToWideChar(CP_UTF8, 0, mode, -1, NULL, 0);
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if(namelen <= 0 || modelen <= 0)
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{
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fprintf(stderr, "Failed to convert UTF-8 fname \"%s\", mode \"%s\"\n", fname, mode);
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return NULL;
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}
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wname = (WCHAR*)calloc(sizeof(WCHAR), namelen+modelen);
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wmode = wname + namelen;
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MultiByteToWideChar(CP_UTF8, 0, fname, -1, wname, namelen);
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MultiByteToWideChar(CP_UTF8, 0, mode, -1, wmode, modelen);
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err = _wfopen_s(&file, wname, wmode);
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if(err)
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{
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errno = err;
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file = NULL;
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}
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free(wname);
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return file;
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}
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#define fopen my_fopen
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static char **arglist;
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static void cleanup_arglist(void)
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{
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free(arglist);
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}
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static void GetUnicodeArgs(int *argc, char ***argv)
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{
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size_t total;
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wchar_t **args;
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int nargs, i;
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args = CommandLineToArgvW(GetCommandLineW(), &nargs);
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if(!args)
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{
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fprintf(stderr, "Failed to get command line args: %ld\n", GetLastError());
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exit(EXIT_FAILURE);
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}
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total = sizeof(**argv) * nargs;
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for(i = 0;i < nargs;i++)
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total += WideCharToMultiByte(CP_UTF8, 0, args[i], -1, NULL, 0, NULL, NULL);
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atexit(cleanup_arglist);
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arglist = *argv = (char**)calloc(1, total);
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(*argv)[0] = (char*)(*argv + nargs);
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for(i = 0;i < nargs-1;i++)
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{
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int len = WideCharToMultiByte(CP_UTF8, 0, args[i], -1, (*argv)[i], 65535, NULL, NULL);
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(*argv)[i+1] = (*argv)[i] + len;
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}
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WideCharToMultiByte(CP_UTF8, 0, args[i], -1, (*argv)[i], 65535, NULL, NULL);
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*argc = nargs;
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LocalFree(args);
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}
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#define GET_UNICODE_ARGS(argc, argv) GetUnicodeArgs(argc, argv)
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#else
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/* Do nothing. */
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#define GET_UNICODE_ARGS(argc, argv)
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#endif
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#endif /* WIN_MAIN_UTF8_H */
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