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-rw-r--r--lib/idn_win32.c85
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diff --git a/lib/idn_win32.c b/lib/idn_win32.c
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+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+ /*
+ * IDN conversions using Windows kernel32 and normaliz libraries.
+ */
+
+#include "setup.h"
+
+#ifdef USE_WIN32_IDN
+
+#include "curl_multibyte.h"
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#ifdef WANT_IDN_PROTOTYPES
+WINBASEAPI int WINAPI IdnToAscii(DWORD, const WCHAR *, int, WCHAR *, int);
+WINBASEAPI int WINAPI IdnToUnicode(DWORD, const WCHAR *, int, WCHAR *, int);
+#endif
+
+#define IDN_MAX_LENGTH 255
+
+int curl_win32_idn_to_ascii(const char *in, char **out);
+int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8);
+
+int curl_win32_idn_to_ascii(const char *in, char **out)
+{
+ wchar_t *in_w = Curl_convert_UTF8_to_wchar(in);
+ if(in_w) {
+ wchar_t punycode[IDN_MAX_LENGTH];
+ if(IdnToAscii(0, in_w, -1, punycode, IDN_MAX_LENGTH) == 0) {
+ wprintf(L"ERROR %d converting to Punycode\n", GetLastError());
+ free(in_w);
+ return 0;
+ }
+ free(in_w);
+
+ *out = Curl_convert_wchar_to_UTF8(punycode);
+ if(!*out)
+ return 0;
+ }
+ return 1;
+}
+
+int curl_win32_ascii_to_idn(const char *in, size_t in_len, char **out_utf8)
+{
+ (void)in_len; /* unused */
+ if(in) {
+ WCHAR unicode[IDN_MAX_LENGTH];
+
+ if(IdnToUnicode(0, (wchar_t *)in, -1, unicode, IDN_MAX_LENGTH) == 0) {
+ wprintf(L"ERROR %d converting to Punycode\n", GetLastError());
+ return 0;
+ }
+ else {
+ *out_utf8 = Curl_convert_wchar_to_UTF8(unicode);
+ if(!*out_utf8)
+ return 0;
+ }
+ }
+ return 1;
+}
+
+#endif /* USE_WIN32_IDN */