msvcp90: Added char_traits<wchar_t> implementation.
diff --git a/dlls/msvcp90/msvcp90.spec b/dlls/msvcp90/msvcp90.spec
index 3c15848..d92864e 100644
--- a/dlls/msvcp90/msvcp90.spec
+++ b/dlls/msvcp90/msvcp90.spec
@@ -1135,7 +1135,7 @@
 @ stub ?_Copy_s@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBEIPA_WIII@Z
 @ cdecl ?_Copy_s@?$char_traits@D@std@@SAPADPADIPBDI@Z(ptr long ptr long) MSVCP_char_traits_char__Copy_s
 @ stub ?_Copy_s@?$char_traits@G@std@@SAPAGPAGIPBGI@Z
-@ stub ?_Copy_s@?$char_traits@_W@std@@SAPA_WPA_WIPB_WI@Z
+@ cdecl ?_Copy_s@?$char_traits@_W@std@@SAPA_WPA_WIPB_WI@Z(ptr long ptr long) MSVCP_char_traits_wchar__Copy_s
 @ stub ?_Cosh@?$_Ctraits@M@std@@SAMMM@Z
 @ stub ?_Cosh@?$_Ctraits@N@std@@SANNN@Z
 @ stub ?_Cosh@?$_Ctraits@O@std@@SAOOO@Z
@@ -1387,7 +1387,7 @@
 @ stub ?_Makpat@?$_Mpunct@_W@std@@AAEXAAUpattern@money_base@2@III@Z
 @ cdecl ?_Move_s@?$char_traits@D@std@@SAPADPADIPBDI@Z(ptr long ptr long) MSVCP_char_traits_char__Move_s
 @ stub ?_Move_s@?$char_traits@G@std@@SAPAGPAGIPBGI@Z
-@ stub ?_Move_s@?$char_traits@_W@std@@SAPA_WPA_WIPB_WI@Z
+@ cdecl ?_Move_s@?$char_traits@_W@std@@SAPA_WPA_WIPB_WI@Z(ptr long ptr long) MSVCP_char_traits_wchar__Move_s
 @ stub ?_Mutex_Lock@_Mutex@std@@CAXPAV12@@Z
 @ stub ?_Mutex_Unlock@_Mutex@std@@CAXPAV12@@Z
 @ stub ?_Mutex_ctor@_Mutex@std@@CAXPAV12@@Z
@@ -1583,8 +1583,8 @@
 @ cdecl ?assign@?$char_traits@D@std@@SAXAADABD@Z(ptr ptr) MSVCP_char_traits_char_assign
 @ stub ?assign@?$char_traits@G@std@@SAPAGPAGIG@Z
 @ stub ?assign@?$char_traits@G@std@@SAXAAGABG@Z
-@ stub ?assign@?$char_traits@_W@std@@SAPA_WPA_WI_W@Z
-@ stub ?assign@?$char_traits@_W@std@@SAXAA_WAB_W@Z
+@ cdecl ?assign@?$char_traits@_W@std@@SAPA_WPA_WI_W@Z(ptr long long) MSVCP_char_traits_wchar_assignn
+@ cdecl ?assign@?$char_traits@_W@std@@SAXAA_WAB_W@Z(ptr ptr) MSVCP_char_traits_wchar_assign
 @ stub ?at@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAADI@Z
 @ stub ?at@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEABDI@Z
 @ stub ?at@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEAAGI@Z
@@ -1659,7 +1659,7 @@
 @ stub ?compare@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBEHPB_W@Z
 @ cdecl ?compare@?$char_traits@D@std@@SAHPBD0I@Z(ptr ptr long) MSVCP_char_traits_char_compare
 @ stub ?compare@?$char_traits@G@std@@SAHPBG0I@Z
-@ stub ?compare@?$char_traits@_W@std@@SAHPB_W0I@Z
+@ cdecl ?compare@?$char_traits@_W@std@@SAHPB_W0I@Z(ptr ptr long) MSVCP_char_traits_wchar_compare
 @ stub ?compare@?$collate@D@std@@QBEHPBD000@Z
 @ stub ?compare@?$collate@G@std@@QBEHPBG000@Z
 @ stub ?compare@?$collate@_W@std@@QBEHPB_W000@Z
@@ -1671,7 +1671,7 @@
 @ stub ?copy@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBEIPA_WII@Z
 @ cdecl ?copy@?$char_traits@D@std@@SAPADPADPBDI@Z(ptr ptr long) MSVCP_char_traits_char_copy
 @ stub ?copy@?$char_traits@G@std@@SAPAGPAGPBGI@Z
-@ stub ?copy@?$char_traits@_W@std@@SAPA_WPA_WPB_WI@Z
+@ cdecl ?copy@?$char_traits@_W@std@@SAPA_WPA_WPB_WI@Z(ptr ptr long) MSVCP_char_traits_wchar_copy
 @ stub ?copyfmt@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEAAV12@ABV12@@Z
 @ stub ?copyfmt@?$basic_ios@GU?$char_traits@G@std@@@std@@QAEAAV12@ABV12@@Z
 @ stub ?copyfmt@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QAEAAV12@ABV12@@Z
@@ -1977,7 +1977,7 @@
 @ stub ?ends@std@@YAAAV?$basic_ostream@_WU?$char_traits@_W@std@@@1@AAV21@@Z
 @ cdecl ?eof@?$char_traits@D@std@@SAHXZ() MSVCP_char_traits_char_eof
 @ stub ?eof@?$char_traits@G@std@@SAGXZ
-@ stub ?eof@?$char_traits@_W@std@@SAGXZ
+@ cdecl ?eof@?$char_traits@_W@std@@SAGXZ() MSVCP_char_traits_wchar_eof
 @ stub ?eof@ios_base@std@@QBE_NXZ
 @ stub ?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IBEPADXZ
 @ stub ?epptr@?$basic_streambuf@GU?$char_traits@G@std@@@std@@IBEPAGXZ
@@ -2000,10 +2000,10 @@
 @ stub ?epsilon@?$numeric_limits@_W@std@@SA_WXZ
 @ cdecl ?eq@?$char_traits@D@std@@SA_NABD0@Z(ptr ptr) MSVCP_char_traits_char_eq
 @ stub ?eq@?$char_traits@G@std@@SA_NABG0@Z
-@ stub ?eq@?$char_traits@_W@std@@SA_NAB_W0@Z
+@ cdecl ?eq@?$char_traits@_W@std@@SA_NAB_W0@Z(ptr ptr) MSVCP_char_traits_wchar_eq
 @ cdecl ?eq_int_type@?$char_traits@D@std@@SA_NABH0@Z(ptr ptr) MSVCP_char_traits_char_eq_int_type
 @ stub ?eq_int_type@?$char_traits@G@std@@SA_NABG0@Z
-@ stub ?eq_int_type@?$char_traits@_W@std@@SA_NABG0@Z
+@ cdecl ?eq_int_type@?$char_traits@_W@std@@SA_NABG0@Z(ptr ptr) MSVCP_char_traits_wchar_eq_int_tpe
 @ stub ?erase@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE?AV?$_String_iterator@DU?$char_traits@D@std@@V?$allocator@D@2@@2@V?$_String_const_iterator@DU?$char_traits@D@std@@V?$allocator@D@2@@2@0@Z
 @ stub ?erase@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE?AV?$_String_iterator@DU?$char_traits@D@std@@V?$allocator@D@2@@2@V?$_String_const_iterator@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z
 @ stub ?erase@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@II@Z
@@ -2043,7 +2043,7 @@
 @ stub ?find@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBEI_WI@Z
 @ cdecl ?find@?$char_traits@D@std@@SAPBDPBDIABD@Z(ptr long ptr) MSVCP_char_traits_char_find
 @ stub ?find@?$char_traits@G@std@@SAPBGPBGIABG@Z
-@ stub ?find@?$char_traits@_W@std@@SAPB_WPB_WIAB_W@Z
+@ cdecl ?find@?$char_traits@_W@std@@SAPB_WPB_WIAB_W@Z(ptr long ptr) MSVCP_char_traits_wchar_find
 @ stub ?find_first_not_of@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIABV12@I@Z
 @ stub ?find_first_not_of@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIDI@Z
 @ stub ?find_first_not_of@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIPBDI@Z
@@ -2407,7 +2407,7 @@
 @ stub ?length@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBEIXZ
 @ cdecl ?length@?$char_traits@D@std@@SAIPBD@Z(ptr) MSVCP_char_traits_char_length
 @ stub ?length@?$char_traits@G@std@@SAIPBG@Z
-@ stub ?length@?$char_traits@_W@std@@SAIPB_W@Z
+@ cdecl ?length@?$char_traits@_W@std@@SAIPB_W@Z(ptr) MSVCP_char_traits_wchar_length
 @ stub ?length@?$codecvt@DDH@std@@QBEHABHPBD1I@Z
 @ stub ?length@?$codecvt@GDH@std@@QBEHABHPBD1I@Z
 @ stub ?length@?$codecvt@_WDH@std@@QBEHABHPBD1I@Z
@@ -2416,7 +2416,7 @@
 @ stub ?log@?$_Ctraits@O@std@@SAOO@Z
 @ cdecl ?lt@?$char_traits@D@std@@SA_NABD0@Z(ptr ptr) MSVCP_char_traits_lt
 @ stub ?lt@?$char_traits@G@std@@SA_NABG0@Z
-@ stub ?lt@?$char_traits@_W@std@@SA_NAB_W0@Z
+@ cdecl ?lt@?$char_traits@_W@std@@SA_NAB_W0@Z(ptr ptr) MSVCP_char_traits_wchar_lt
 @ stub ?max@?$numeric_limits@C@std@@SACXZ
 @ stub ?max@?$numeric_limits@D@std@@SADXZ
 @ stub ?max@?$numeric_limits@E@std@@SAEXZ
@@ -2474,7 +2474,7 @@
 @ stub ?min_exponent@_Num_base@std@@2HB
 @ cdecl ?move@?$char_traits@D@std@@SAPADPADPBDI@Z(ptr ptr long) MSVCP_char_traits_char_move
 @ stub ?move@?$char_traits@G@std@@SAPAGPAGPBGI@Z
-@ stub ?move@?$char_traits@_W@std@@SAPA_WPA_WPB_WI@Z
+@ cdecl ?move@?$char_traits@_W@std@@SAPA_WPA_WPB_WI@Z(ptr ptr long) MSVCP_char_traits_wchar_move
 @ stub ?name@locale@std@@QBE?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@XZ
 @ stub ?narrow@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDDD@Z
 @ stub ?narrow@?$basic_ios@GU?$char_traits@G@std@@@std@@QBEDGD@Z
@@ -2493,7 +2493,7 @@
 @ stub ?negative_sign@?$_Mpunct@_W@std@@QBE?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@2@XZ
 @ cdecl ?not_eof@?$char_traits@D@std@@SAHABH@Z(ptr) MSVCP_char_traits_char_not_eof
 @ stub ?not_eof@?$char_traits@G@std@@SAGABG@Z
-@ stub ?not_eof@?$char_traits@_W@std@@SAGABG@Z
+@ cdecl ?not_eof@?$char_traits@_W@std@@SAGABG@Z(ptr) MSVCP_char_traits_wchar_not_eof
 @ stub ?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB
 @ stub ?npos@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@2IB
 @ stub ?npos@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@2IB
@@ -3027,10 +3027,10 @@
 @ stub ?tinyness_before@_Num_float_base@std@@2_NB
 @ cdecl ?to_char_type@?$char_traits@D@std@@SADABH@Z(ptr) MSVCP_char_traits_char_to_char_type
 @ stub ?to_char_type@?$char_traits@G@std@@SAGABG@Z
-@ stub ?to_char_type@?$char_traits@_W@std@@SA_WABG@Z
+@ cdecl ?to_char_type@?$char_traits@_W@std@@SA_WABG@Z(ptr) MSVCP_char_traits_wchar_to_char_type
 @ cdecl ?to_int_type@?$char_traits@D@std@@SAHABD@Z(ptr) MSVCP_char_traits_char_to_int_type
 @ stub ?to_int_type@?$char_traits@G@std@@SAGABG@Z
-@ stub ?to_int_type@?$char_traits@_W@std@@SAGAB_W@Z
+@ cdecl ?to_int_type@?$char_traits@_W@std@@SAGAB_W@Z(ptr) MSVCP_char_traits_wchar_to_int_type
 @ stub ?tolower@?$ctype@D@std@@QBEDD@Z
 @ stub ?tolower@?$ctype@D@std@@QBEPBDPADPBD@Z
 @ stub ?tolower@?$ctype@G@std@@QBEGG@Z
diff --git a/dlls/msvcp90/string.c b/dlls/msvcp90/string.c
index 08cc2f8..f317ae1 100644
--- a/dlls/msvcp90/string.c
+++ b/dlls/msvcp90/string.c
@@ -143,3 +143,137 @@
 {
     return (*in==EOF ? !EOF : *in);
 }
+
+
+/* char_traits<wchar_t> */
+/* ?assign@?$char_traits@_W@std@@SAXAA_WAB_W@Z */
+void CDECL MSVCP_char_traits_wchar_assign(wchar_t *ch,
+        const wchar_t *assign)
+{
+    *ch = *assign;
+}
+
+/* ?eq@?$char_traits@_W@std@@SA_NAB_W0@Z */
+MSVCP_BOOL CDECL MSVCP_char_traits_wchar_eq(wchar_t *ch1, wchar_t *ch2)
+{
+    return *ch1 == *ch2;
+}
+
+/* ?lt@?$char_traits@_W@std@@SA_NAB_W0@Z */
+MSVCP_BOOL CDECL MSVCP_char_traits_wchar_lt(const wchar_t *ch1,
+        const wchar_t *ch2)
+{
+    return *ch1 < *ch2;
+}
+
+/* ?compare@?$char_traits@_W@std@@SAHPB_W0I@Z */
+int CDECL MSVCP_char_traits_wchar_compare(const wchar_t *s1,
+        const wchar_t *s2, unsigned int count)
+{
+    int ret = memcmp(s1, s2, sizeof(wchar_t[count]));
+    return (ret>0 ? 1 : (ret<0 ? -1 : 0));
+}
+
+/* ?length@?$char_traits@_W@std@@SAIPB_W@Z */
+int CDECL MSVCP_char_traits_wchar_length(const wchar_t *str)
+{
+    return wcslen((WCHAR*)str);
+}
+
+/* ?_Copy_s@?$char_traits@_W@std@@SAPA_WPA_WIPB_WI@Z */
+wchar_t* CDECL MSVCP_char_traits_wchar__Copy_s(wchar_t *dest,
+        unsigned int size, const wchar_t *src, unsigned int count)
+{
+    if(!dest || !src || size<count) {
+        if(dest && size)
+            dest[0] = '\0';
+        _invalid_parameter(NULL, NULL, NULL, 0, 0);
+        return dest;
+    }
+
+    return memcpy(dest, src, sizeof(wchar_t[count]));
+}
+
+/* ?copy@?$char_traits@_W@std@@SAPA_WPA_WPB_WI@Z */
+wchar_t* CDECL MSVCP_char_traits_wchar_copy(wchar_t *dest,
+        const wchar_t *src, unsigned int count)
+{
+    return MSVCP_char_traits_wchar__Copy_s(dest, count, src, count);
+}
+
+/* ?find@?$char_traits@_W@std@@SAPB_WPB_WIAB_W@Z */
+const wchar_t* CDECL MSVCP_char_traits_wchar_find(
+        const wchar_t *str, unsigned int range, const wchar_t *c)
+{
+    unsigned int i=0;
+
+    for(i=0; i<range; i++)
+        if(str[i] == *c)
+            return str+i;
+
+    return NULL;
+}
+
+/* ?_Move_s@?$char_traits@_W@std@@SAPA_WPA_WIPB_WI@Z */
+wchar_t* CDECL MSVCP_char_traits_wchar__Move_s(wchar_t *dest,
+        unsigned int size, const wchar_t *src, unsigned int count)
+{
+    if(!dest || !src || size<count) {
+        if(dest && size)
+            dest[0] = '\0';
+        _invalid_parameter(NULL, NULL, NULL, 0, 0);
+        return dest;
+    }
+
+    return memmove(dest, src, sizeof(WCHAR[count]));
+}
+
+/* ?move@?$char_traits@_W@std@@SAPA_WPA_WPB_WI@Z */
+wchar_t* CDECL MSVCP_char_traits_wchar_move(wchar_t *dest,
+        const wchar_t *src, unsigned int count)
+{
+    return MSVCP_char_traits_wchar__Move_s(dest, count, src, count);
+}
+
+/* ?assign@?$char_traits@_W@std@@SAPA_WPA_WI_W@Z */
+wchar_t* CDECL MSVCP_char_traits_wchar_assignn(wchar_t *str,
+        unsigned int num, wchar_t c)
+{
+    unsigned int i;
+
+    for(i=0; i<num; i++)
+        str[i] = c;
+
+    return str;
+}
+
+/* ?to_char_type@?$char_traits@_W@std@@SA_WABG@Z */
+wchar_t CDECL MSVCP_char_traits_wchar_to_char_type(const unsigned short *i)
+{
+    return *i;
+}
+
+/* ?to_int_type@?$char_traits@_W@std@@SAGAB_W@Z */
+unsigned short CDECL MSVCP_char_traits_wchar_to_int_type(const wchar_t *ch)
+{
+    return *ch;
+}
+
+/* ?eq_int_type@?$char_traits@_W@std@@SA_NABG0@Z */
+MSVCP_BOOL CDECL MSVCP_char_traits_wchar_eq_int_tpe(const unsigned short *i1,
+        const unsigned short *i2)
+{
+    return *i1 == *i2;
+}
+
+/* ?eof@?$char_traits@_W@std@@SAGXZ */
+unsigned short CDECL MSVCP_char_traits_wchar_eof(void)
+{
+    return WEOF;
+}
+
+/* ?not_eof@?$char_traits@_W@std@@SAGABG@Z */
+unsigned short CDECL MSVCP_char_traits_wchar_not_eof(const unsigned short *in)
+{
+    return (*in==WEOF ? !WEOF : *in);
+}