1 files changed, 82 insertions, 0 deletions
diff --git a/lib/curl_multibyte.c b/lib/curl_multibyte.c
new file mode 100644
index 000000000..b48c32348
--- /dev/null
+++ b/lib/curl_multibyte.c
@@ -0,0 +1,82 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  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.
+ *
+ ***************************************************************************/
+
+#include "setup.h"
+
+#if defined(USE_WIN32_IDN) || \
+   (defined(USE_WINDOWS_SSPI) && (defined(_WIN32_WCE) || defined(UNICODE)))
+
+ /*
+  * MultiByte conversions using Windows kernel32 library.
+  */
+
+#include "curl_multibyte.h"
+
+wchar_t *Curl_convert_UTF8_to_wchar(const char *str_utf8)
+{
+  wchar_t *str_w = NULL;
+
+  if(str_utf8) {
+    int str_w_len = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS,
+                                        str_utf8, -1, NULL, 0);
+    if(str_w_len) {
+      str_w = malloc(str_w_len * sizeof(wchar_t));
+      if(str_w) {
+        if(MultiByteToWideChar(CP_UTF8, 0, str_utf8, -1, str_w,
+                               str_w_len) == 0) {
+          free(str_w);
+          str_w = NULL;
+        }
+      }
+    }
+  }
+
+  return str_w;
+}
+
+const char *Curl_convert_wchar_to_UTF8(const wchar_t *str_w)
+{
+  char *str_utf8 = NULL;
+
+  if(str_w) {
+    size_t str_utf8_len = WideCharToMultiByte(CP_UTF8, 0, str_w, -1, NULL,
+                                              0, NULL, NULL);
+    if(str_utf8_len) {
+      str_utf8 = malloc(str_utf8_len * sizeof(wchar_t));
+      if(str_utf8) {
+        if(WideCharToMultiByte(CP_UTF8, 0, str_w, -1, str_utf8, str_utf8_len,
+                               NULL, FALSE) == 0) {
+          (void) GetLastError();
+          free((void *)str_utf8);
+          str_utf8 = NULL;
+        }
+      }
+    }
+    else {
+      (void) GetLastError();
+    }
+  }
+
+  return str_utf8;
+}
+
+#endif /* USE_WIN32_IDN || (USE_WINDOWS_SSPI && (_WIN32_WCE || UNICODE)) */