diff --git a/lib/curl_memory.h b/lib/curl_memory.h
index c1e92513f..4bba008c9 100644
--- a/lib/curl_memory.h
+++ b/lib/curl_memory.h
@@ -87,6 +87,9 @@ extern curl_free_callback Curl_cfree;
 extern curl_realloc_callback Curl_crealloc;
 extern curl_strdup_callback Curl_cstrdup;
 extern curl_calloc_callback Curl_ccalloc;
+#ifdef WIN32
+extern curl_wcsdup_callback Curl_cwcsdup;
+#endif
 
 #ifndef CURLDEBUG
 
@@ -110,6 +113,19 @@ extern curl_calloc_callback Curl_ccalloc;
 #undef free
 #define free(ptr) Curl_cfree(ptr)
 
+#ifdef WIN32
+#  undef wcsdup
+#  define wcsdup(ptr) Curl_cwcsdup(ptr)
+#  undef _wcsdup
+#  define _wcsdup(ptr) Curl_cwcsdup(ptr)
+#  undef _tcsdup
+#  ifdef UNICODE
+#    define _tcsdup(ptr) Curl_cwcsdup(ptr)
+#  else
+#    define _tcsdup(ptr) Curl_cstrdup(ptr)
+#  endif
+#endif
+
 #endif /* CURLDEBUG */
 
 #else /* CURLX_NO_MEMORY_CALLBACKS */
diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index a46a60828..3f55a5c0f 100644
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -270,6 +270,7 @@
 #    endif
 #  endif
 #  include <tchar.h>
+   typedef wchar_t *(*curl_wcsdup_callback)(const wchar_t *str);
 #endif
 
 /*
diff --git a/lib/easy.c b/lib/easy.c
index b82a548cb..541e793fb 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -252,6 +252,9 @@ curl_free_callback Curl_cfree = (curl_free_callback)free;
 curl_realloc_callback Curl_crealloc = (curl_realloc_callback)realloc;
 curl_strdup_callback Curl_cstrdup = (curl_strdup_callback)system_strdup;
 curl_calloc_callback Curl_ccalloc = (curl_calloc_callback)calloc;
+#ifdef WIN32
+curl_wcsdup_callback Curl_cwcsdup = (curl_wcsdup_callback)wcsdup;
+#endif
 #else
 /*
  * Symbian OS doesn't support initialization to code in writeable static data.
@@ -283,6 +286,9 @@ CURLcode curl_global_init(long flags)
   Curl_crealloc = (curl_realloc_callback)realloc;
   Curl_cstrdup = (curl_strdup_callback)system_strdup;
   Curl_ccalloc = (curl_calloc_callback)calloc;
+#ifdef WIN32
+  Curl_cwcsdup = (curl_wcsdup_callback)wcsdup;
+#endif
 
   if(flags & CURL_GLOBAL_SSL)
     if(!Curl_ssl_init()) {
diff --git a/lib/memdebug.c b/lib/memdebug.c
index 4d5f44d2f..b3ddfb430 100644
--- a/lib/memdebug.c
+++ b/lib/memdebug.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, 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
@@ -239,6 +239,32 @@ char *curl_dostrdup(const char *str, int line, const char *source)
   return mem;
 }
 
+#ifdef WIN32
+wchar_t *curl_dowcsdup(const wchar_t *str, int line, const char *source)
+{
+  wchar_t *mem;
+  size_t wsiz, bsiz;
+
+  assert(str != NULL);
+
+  if(countcheck("wcsdup", line, source))
+    return NULL;
+
+  wsiz = wcslen(str) + 1;
+  bsiz = wsiz * sizeof(wchar_t);
+
+  mem = curl_domalloc(bsiz, 0, NULL); /* NULL prevents logging */
+  if(mem)
+    memcpy(mem, str, bsiz);
+
+  if(source)
+    curl_memlog("MEM %s:%d wcsdup(%p) (%zu) = %p\n",
+                source, line, str, bsiz, mem);
+
+  return mem;
+}
+#endif
+
 /* We provide a realloc() that accepts a NULL as pointer, which then
    performs a malloc(). In order to work with ares. */
 void *curl_dorealloc(void *ptr, size_t wantedsize,
diff --git a/lib/memdebug.h b/lib/memdebug.h
index fbeb61de5..955e8b72b 100644
--- a/lib/memdebug.h
+++ b/lib/memdebug.h
@@ -8,7 +8,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, 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
@@ -46,6 +46,11 @@ CURL_EXTERN void *curl_dorealloc(void *ptr, size_t size, int line,
                                  const char *source);
 CURL_EXTERN void curl_dofree(void *ptr, int line, const char *source);
 CURL_EXTERN char *curl_dostrdup(const char *str, int line, const char *source);
+#ifdef WIN32
+CURL_EXTERN wchar_t *curl_dowcsdup(const wchar_t *str, int line,
+                                   const char *source);
+#endif
+
 CURL_EXTERN void curl_memdebug(const char *logname);
 CURL_EXTERN void curl_memlimit(long limit);
 CURL_EXTERN void curl_memlog(const char *format, ...);
@@ -84,6 +89,19 @@ CURL_EXTERN int curl_fclose(FILE *file, int line, const char *source);
 #define realloc(ptr,size) curl_dorealloc(ptr, size, __LINE__, __FILE__)
 #define free(ptr) curl_dofree(ptr, __LINE__, __FILE__)
 
+#ifdef WIN32
+#  undef wcsdup
+#  define wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
+#  undef _wcsdup
+#  define _wcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
+#  undef _tcsdup
+#  ifdef UNICODE
+#    define _tcsdup(ptr) curl_dowcsdup(ptr, __LINE__, __FILE__)
+#  else
+#    define _tcsdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)
+#  endif
+#endif
+
 #define socket(domain,type,protocol)\
  curl_socket(domain,type,protocol,__LINE__,__FILE__)
 #undef accept /* for those with accept as a macro */
diff --git a/tests/memanalyze.pl b/tests/memanalyze.pl
index 524634969..54117f8ea 100755
--- a/tests/memanalyze.pl
+++ b/tests/memanalyze.pl
@@ -31,6 +31,7 @@ my $mallocs=0;
 my $callocs=0;
 my $reallocs=0;
 my $strdups=0;
+my $wcsdups=0;
 my $showlimit;
 
 while(1) {
@@ -220,6 +221,25 @@ while(<FILE>) {
             newtotal($totalmem);
             $strdups++;
         }
+        elsif($function =~ /wcsdup\(0x([0-9a-f]*)\) \((\d*)\) = 0x([0-9a-f]*)/) {
+            # wcsdup(a5b50) (8) = df7c0
+
+            $dup = $1;
+            $size = $2;
+            $addr = $3;
+            $getmem{$addr}="$source:$linenum";
+            $sizeataddr{$addr}=$size;
+
+            $totalmem += $size;
+
+            if($trace) {
+                printf("WCSDUP: $size bytes at %s, makes totally: %d bytes\n",
+                       $getmem{$addr}, $totalmem);
+            }
+
+            newtotal($totalmem);
+            $wcsdups++;
+        }
         else {
             print "Not recognized input line: $function\n";
         }
@@ -378,8 +398,9 @@ if($verbose) {
     "Reallocs: $reallocs\n",
     "Callocs: $callocs\n",
     "Strdups:  $strdups\n",
+    "Wcsdups:  $wcsdups\n",
     "Frees: $frees\n",
-    "Allocations: ".($mallocs + $callocs + $reallocs + $strdups)."\n";
+    "Allocations: ".($mallocs + $callocs + $reallocs + $strdups + $wcsdups)."\n";
 
     print "Maximum allocated: $maxmem\n";
 }
diff --git a/tests/server/getpart.c b/tests/server/getpart.c
index f37f88cba..188eb5dca 100644
--- a/tests/server/getpart.c
+++ b/tests/server/getpart.c
@@ -58,6 +58,9 @@ curl_free_callback Curl_cfree = (curl_free_callback)free;
 curl_realloc_callback Curl_crealloc = (curl_realloc_callback)realloc;
 curl_strdup_callback Curl_cstrdup = (curl_strdup_callback)strdup;
 curl_calloc_callback Curl_ccalloc = (curl_calloc_callback)calloc;
+#ifdef WIN32
+curl_wcsdup_callback Curl_cwcsdup = (curl_wcsdup_callback)wcsdup;
+#endif
 
 #if defined(_MSC_VER) && defined(_DLL)
 #  pragma warning(default:4232) /* MSVC extension, dllimport identity */