9 #include <windows.h> /* for WideCharToMultiByte and MultiByteToWideChar */
11 #include "share/win_utf8_io.h"
13 static UINT win_utf8_io_codepage = CP_ACP;
15 /* convert WCHAR stored Unicode string to UTF-8. Caller is responsible for freeing memory */
17 char *utf8_from_wchar(const wchar_t *wstr)
22 if (!wstr) return NULL;
23 if ((len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL)) == 0) return NULL;
24 if ((utf8str = (char *)malloc(++len)) == NULL) return NULL;
25 if (WideCharToMultiByte(CP_UTF8, 0, wstr, -1, utf8str, len, NULL, NULL) == 0) {
33 /* convert UTF-8 back to WCHAR. Caller is responsible for freeing memory */
35 wchar_t *wchar_from_utf8(const char *str)
40 if (!str) return NULL;
41 len=(int)strlen(str)+1;
42 if ((widestr = (wchar_t *)malloc(len*sizeof(wchar_t))) != NULL) {
43 if (MultiByteToWideChar(win_utf8_io_codepage, 0, str, len, widestr, len) == 0) {
44 if (MultiByteToWideChar(CP_ACP, 0, str, len, widestr, len) == 0) { /* try conversion from Ansi in case the initial UTF-8 conversion had failed */
54 /* retrieve WCHAR commandline, expand wildcards and convert everything to UTF-8 */
55 int get_utf8_argv(int *argc, char ***argv)
57 typedef int (__cdecl *__wgetmainargs_)(int*, wchar_t***, wchar_t***, int, int*);
58 __wgetmainargs_ __wgetmainargs;
66 if ((handle = LoadLibrary("msvcrt.dll")) == NULL) return 1;
67 if ((__wgetmainargs = (__wgetmainargs_)GetProcAddress(handle, "__wgetmainargs")) == NULL) return 1;
69 if (__wgetmainargs(&wargc, &wargv, &wenv, 1, &i) != 0) return 1;
70 if ((utf8argv = (char **)malloc(wargc*sizeof(char*))) == NULL) return 1;
73 for (i=0; i<wargc; i++) {
74 if ((utf8argv[i] = utf8_from_wchar(wargv[i])) == NULL) {
84 win_utf8_io_codepage = CP_UTF8;
94 /* return number of characters in the UTF-8 string */
95 size_t strlen_utf8(const char *str)
98 if ((len = MultiByteToWideChar(win_utf8_io_codepage, 0, str, -1, NULL, 0)) == 0)
103 /* get the console width in characters */
104 int win_get_console_width()
107 CONSOLE_SCREEN_BUFFER_INFO csbi;
108 HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
109 if (GetConsoleScreenBufferInfo(hOut, &csbi) != 0) width = csbi.dwSize.X;
113 /* print functions */
115 int print_console(FILE *stream, const wchar_t *text, DWORD len)
120 hOut = GetStdHandle(STD_OUTPUT_HANDLE);
121 hErr = GetStdHandle(STD_ERROR_HANDLE);
122 if (stream == stdout && hOut != INVALID_HANDLE_VALUE && GetFileType(hOut) == FILE_TYPE_CHAR) {
123 if (WriteConsoleW(hOut, text, len, &out, NULL) == 0) return -1;
125 } else if (stream == stderr && hErr != INVALID_HANDLE_VALUE && GetFileType(hErr) == FILE_TYPE_CHAR) {
126 if (WriteConsoleW(hErr, text, len, &out, NULL) == 0) return -1;
129 int ret = fwprintf(stream, L"%s", text);
130 if (ret < 0) return ret;
135 int printf_utf8(const char *format, ...)
138 wchar_t *wout = NULL;
143 if (!(utmp = (char *)malloc(32768*sizeof(char)))) break;
144 va_start(argptr, format);
145 ret = vsprintf(utmp, format, argptr);
148 if (!(wout = wchar_from_utf8(utmp))) {
152 ret = print_console(stdout, wout, wcslen(wout));
155 if (utmp) free(utmp);
156 if (wout) free(wout);
161 int fprintf_utf8(FILE *stream, const char *format, ...)
164 wchar_t *wout = NULL;
169 if (!(utmp = (char *)malloc(32768*sizeof(char)))) break;
170 va_start(argptr, format);
171 ret = vsprintf(utmp, format, argptr);
174 if (!(wout = wchar_from_utf8(utmp))) {
178 ret = print_console(stream, wout, wcslen(wout));
181 if (utmp) free(utmp);
182 if (wout) free(wout);
187 int vfprintf_utf8(FILE *stream, const char *format, va_list argptr)
190 wchar_t *wout = NULL;
194 if (!(utmp = (char *)malloc(32768*sizeof(char)))) break;
195 if ((ret = vsprintf(utmp, format, argptr)) < 0) break;
196 if (!(wout = wchar_from_utf8(utmp))) {
200 ret = print_console(stream, wout, wcslen(wout));
203 if (utmp) free(utmp);
204 if (wout) free(wout);
211 FILE *fopen_utf8(const char *filename, const char *mode)
213 wchar_t *wname = NULL;
214 wchar_t *wmode = NULL;
218 if (!(wname = wchar_from_utf8(filename))) break;
219 if (!(wmode = wchar_from_utf8(mode))) break;
220 f = _wfopen(wname, wmode);
223 if (wname) free(wname);
224 if (wmode) free(wmode);
229 int _stat64_utf8(const char *path, struct __stat64 *buffer)
234 if (!(wpath = wchar_from_utf8(path))) return -1;
235 ret = _wstat64(wpath, buffer);
241 int chmod_utf8(const char *filename, int pmode)
246 if (!(wname = wchar_from_utf8(filename))) return -1;
247 ret = _wchmod(wname, pmode);
253 int utime_utf8(const char *filename, struct utimbuf *times)
259 if (!(wname = wchar_from_utf8(filename))) return -1;
260 ret = _wutime(wname, &ut);
264 if (sizeof(*times) == sizeof(ut)) {
265 memcpy(times, &ut, sizeof(ut));
267 times->actime = ut.actime;
268 times->modtime = ut.modtime;
275 int unlink_utf8(const char *filename)
280 if (!(wname = wchar_from_utf8(filename))) return -1;
281 ret = _wunlink(wname);
287 int rename_utf8(const char *oldname, const char *newname)
289 wchar_t *wold = NULL;
290 wchar_t *wnew = NULL;
294 if (!(wold = wchar_from_utf8(oldname))) break;
295 if (!(wnew = wchar_from_utf8(newname))) break;
296 ret = _wrename(wold, wnew);
299 if (wold) free(wold);
300 if (wnew) free(wnew);