add CHD support.

1 files changed, 253 insertions, 0 deletions

diff --git a/deps/flac-1.3.2/src/share/win_utf8_io/win_utf8_io.c b/deps/flac-1.3.2/src/share/win_utf8_io/win_utf8_io.c
new file mode 100644
index 0000000..c61d27f
--- /dev/null
+++ b/deps/flac-1.3.2/src/share/win_utf8_io/win_utf8_io.c
@@ -0,0 +1,253 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2013-2016  Xiph.Org Foundation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the Xiph.org Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <windows.h>
+#include "share/win_utf8_io.h"
+#include "share/windows_unicode_filenames.h"
+
+#define UTF8_BUFFER_SIZE 32768
+
+static int local_vsnprintf(char *str, size_t size, const char *fmt, va_list va)
+{
+	int rc;
+
+#if defined _MSC_VER
+	if (size == 0)
+		return 1024;
+	rc = vsnprintf_s(str, size, _TRUNCATE, fmt, va);
+	if (rc < 0)
+		rc = size - 1;
+#elif defined __MINGW32__
+	rc = __mingw_vsnprintf(str, size, fmt, va);
+#else
+	rc = vsnprintf(str, size, fmt, va);
+#endif
+
+	return rc;
+}
+
+/* convert WCHAR stored Unicode string to UTF-8. Caller is responsible for freeing memory */
+static char *utf8_from_wchar(const wchar_t *wstr)
+{
+	char *utf8str;
+	int len;
+
+	if (!wstr)
+		return NULL;
+	if ((len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL)) == 0)
+		return NULL;
+	if ((utf8str = (char *)malloc(len)) == NULL)
+		return NULL;
+	if (WideCharToMultiByte(CP_UTF8, 0, wstr, -1, utf8str, len, NULL, NULL) == 0) {
+		free(utf8str);
+		utf8str = NULL;
+	}
+
+	return utf8str;
+}
+
+/* convert UTF-8 back to WCHAR. Caller is responsible for freeing memory */
+static wchar_t *wchar_from_utf8(const char *str)
+{
+	wchar_t *widestr;
+	int len;
+
+	if (!str)
+		return NULL;
+	if ((len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0)) == 0)
+		return NULL;
+	if ((widestr = (wchar_t *)malloc(len*sizeof(wchar_t))) == NULL)
+		return NULL;
+	if (MultiByteToWideChar(CP_UTF8, 0, str, -1, widestr, len) == 0) {
+		free(widestr);
+		widestr = NULL;
+	}
+
+	return widestr;
+}
+
+/* retrieve WCHAR commandline, expand wildcards and convert everything to UTF-8 */
+int get_utf8_argv(int *argc, char ***argv)
+{
+	typedef int (__cdecl *wgetmainargs_t)(int*, wchar_t***, wchar_t***, int, int*);
+	wgetmainargs_t wgetmainargs;
+	HMODULE handle;
+	int wargc;
+	wchar_t **wargv;
+	wchar_t **wenv;
+	char **utf8argv;
+	int ret, i;
+
+	if ((handle = LoadLibrary("msvcrt.dll")) == NULL) return 1;
+	if ((wgetmainargs = (wgetmainargs_t)GetProcAddress(handle, "__wgetmainargs")) == NULL) {
+		FreeLibrary(handle);
+		return 1;
+	}
+	i = 0;
+	/* when the 4th argument is 1,  __wgetmainargs expands wildcards but also erroneously converts \\?\c:\path\to\file.flac to \\file.flac */
+	if (wgetmainargs(&wargc, &wargv, &wenv, 1, &i) != 0) {
+		FreeLibrary(handle);
+		return 1;
+	}
+	if ((utf8argv = (char **)calloc(wargc, sizeof(char*))) == NULL) {
+		FreeLibrary(handle);
+		return 1;
+	}
+
+	ret = 0;
+	for (i=0; i<wargc; i++) {
+		if ((utf8argv[i] = utf8_from_wchar(wargv[i])) == NULL) {
+			ret = 1;
+			break;
+		}
+	}
+
+	FreeLibrary(handle); /* do not free it when wargv or wenv are still in use */
+
+	if (ret == 0) {
+		flac_set_utf8_filenames(true);
+		*argc = wargc;
+		*argv = utf8argv;
+	} else {
+		for (i=0; i<wargc; i++)
+			free(utf8argv[i]);
+		free(utf8argv);
+	}
+
+	return ret;
+}
+
+/* return number of characters in the UTF-8 string */
+size_t strlen_utf8(const char *str)
+{
+	size_t len;
+	len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0); /* includes terminating null */
+	if (len != 0)
+		return len-1;
+	else
+		return strlen(str);
+}
+
+/* get the console width in characters */
+int win_get_console_width(void)
+{
+	int width = 80;
+	CONSOLE_SCREEN_BUFFER_INFO csbi;
+	HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
+	if(hOut != INVALID_HANDLE_VALUE && hOut != NULL)
+		if (GetConsoleScreenBufferInfo(hOut, &csbi) != 0)
+			width = csbi.dwSize.X;
+	return width;
+}
+
+/* print functions */
+
+static int wprint_console(FILE *stream, const wchar_t *text, size_t len)
+{
+	DWORD out;
+	int ret;
+
+	do {
+		if (stream == stdout) {
+			HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
+			if (hOut == INVALID_HANDLE_VALUE || hOut == NULL || GetFileType(hOut) != FILE_TYPE_CHAR)
+				break;
+			if (WriteConsoleW(hOut, text, len, &out, NULL) == 0)
+				return -1;
+			return out;
+		}
+		if (stream == stderr) {
+			HANDLE hErr = GetStdHandle(STD_ERROR_HANDLE);
+			if (hErr == INVALID_HANDLE_VALUE || hErr == NULL || GetFileType(hErr) != FILE_TYPE_CHAR)
+				break;
+			if (WriteConsoleW(hErr, text, len, &out, NULL) == 0)
+				return -1;
+			return out;
+		}
+	} while(0);
+
+	ret = fputws(text, stream);
+	if (ret < 0)
+		return ret;
+	return len;
+}
+
+int printf_utf8(const char *format, ...)
+{
+	int ret;
+	va_list argptr;
+	va_start(argptr, format);
+
+	ret = vfprintf_utf8(stdout, format, argptr);
+
+	va_end(argptr);
+
+	return ret;
+}
+
+int fprintf_utf8(FILE *stream, const char *format, ...)
+{
+	int ret;
+	va_list argptr;
+	va_start(argptr, format);
+
+	ret = vfprintf_utf8(stream, format, argptr);
+
+	va_end(argptr);
+
+	return ret;
+}
+
+int vfprintf_utf8(FILE *stream, const char *format, va_list argptr)
+{
+	char *utmp = NULL;
+	wchar_t *wout = NULL;
+	int ret = -1;
+
+	do {
+		if (!(utmp = (char *)malloc(UTF8_BUFFER_SIZE))) break;
+		if ((ret = local_vsnprintf(utmp, UTF8_BUFFER_SIZE, format, argptr)) <= 0) break;
+		if (!(wout = wchar_from_utf8(utmp))) {
+			ret = -1;
+			break;
+		}
+		ret = wprint_console(stream, wout, wcslen(wout));
+	} while(0);
+
+	free(utmp);
+	free(wout);
+
+	return ret;
+}