msvcp: Added basic_string<wchar> operator+ implementations.

bc86fccc · Piotr Caban · Alexandre Julliard · 055dcbc4 · bc86fccc · bc86fccc
Commit bc86fccc authored Apr 01, 2011 by Piotr Caban Committed by Alexandre Julliard Apr 01, 2011
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Showing with 99 additions and 24 deletions

msvcp80.spec dlls/msvcp80/msvcp80.spec +10 -10

msvcp90.spec dlls/msvcp90/msvcp90.spec +10 -10

string.c dlls/msvcp90/string.c +79 -4

No files found.
--- a/dlls/msvcp80/msvcp80.spec
+++ b/dlls/msvcp80/msvcp80.spec
@@ -244,14 +244,14 @@
 @ stub -arch=win64 ??$?HO@std@@YA?AV?$complex@O@0@AEBV10@@Z
 @ stub -arch=win32 ??$?HO@std@@YA?AV?$complex@O@0@ABV10@ABO@Z
 @ stub -arch=win64 ??$?HO@std@@YA?AV?$complex@O@0@AEBV10@AEBO@Z
-@ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@0@Z
-@ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@0@Z
-@ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@PB_W@Z
-@ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@PEB_W@Z
+@ cdecl -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@0@Z(ptr ptr ptr) msvcp90.??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@0@Z
+@ cdecl -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@0@Z(ptr ptr ptr) msvcp90.??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@0@Z
+@ cdecl -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@PB_W@Z(ptr ptr wstr) msvcp90.??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@PB_W@Z
+@ cdecl -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@PEB_W@Z(ptr ptr wstr) msvcp90.??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@PEB_W@Z
 @ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@_W@Z
 @ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@_W@Z
-@ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PB_WABV10@@Z
-@ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PEB_WAEBV10@@Z
+@ cdecl -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PB_WABV10@@Z(ptr wstr ptr) msvcp90.??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PB_WABV10@@Z
+@ cdecl -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PEB_WAEBV10@@Z(ptr wstr ptr) msvcp90.??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PEB_WAEBV10@@Z
 @ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@_WABV10@@Z
 @ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@_WAEBV10@@Z
 @ stub -arch=win32 ??$?KM@std@@YA?AV?$complex@M@0@ABMABV10@@Z
@@ -2915,10 +2915,10 @@
 @ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@I_W@Z
 @ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W0@Z
 @ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W0@Z
-@ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W@Z
-@ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W@Z
-@ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W_K@Z
-@ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_WI@Z
+@ cdecl -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W@Z(ptr wstr) msvcp90.?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W@Z
+@ thiscall -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W@Z(ptr wstr) msvcp90.?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W@Z
+@ cdecl -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W_K@Z(ptr wstr long) msvcp90.?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W_K@Z
+@ thiscall -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_WI@Z(ptr wstr long) msvcp90.?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_WI@Z
 @ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@V?$_String_const_iterator@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@2@0@Z
 @ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@V?$_String_const_iterator@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@2@0@Z
 @ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@_K_W@Z

--- a/dlls/msvcp90/msvcp90.spec
+++ b/dlls/msvcp90/msvcp90.spec
@@ -244,14 +244,14 @@
 @ stub -arch=win64 ??$?HO@std@@YA?AV?$complex@O@0@AEBV10@@Z
 @ stub -arch=win32 ??$?HO@std@@YA?AV?$complex@O@0@ABV10@ABO@Z
 @ stub -arch=win64 ??$?HO@std@@YA?AV?$complex@O@0@AEBV10@AEBO@Z
-@ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@0@Z
-@ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@0@Z
-@ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@PB_W@Z
-@ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@PEB_W@Z
+@ cdecl -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@0@Z(ptr ptr ptr) MSVCP_basic_string_wchar_concatenate
+@ cdecl -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@0@Z(ptr ptr ptr) MSVCP_basic_string_wchar_concatenate
+@ cdecl -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@PB_W@Z(ptr ptr wstr) MSVCP_basic_string_wchar_concatenate_bstr_cstr
+@ cdecl -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@PEB_W@Z(ptr ptr wstr) MSVCP_basic_string_wchar_concatenate_bstr_cstr
 @ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@_W@Z
 @ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@_W@Z
-@ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PB_WABV10@@Z
-@ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PEB_WAEBV10@@Z
+@ cdecl -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PB_WABV10@@Z(ptr wstr ptr) MSVCP_basic_string_wchar_concatenate_cstr_bstr
+@ cdecl -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PEB_WAEBV10@@Z(ptr wstr ptr) MSVCP_basic_string_wchar_concatenate_cstr_bstr
 @ stub -arch=win32 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@_WABV10@@Z
 @ stub -arch=win64 ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@_WAEBV10@@Z
 @ stub -arch=win32 ??$?KM@std@@YA?AV?$complex@M@0@ABMABV10@@Z
@@ -2951,10 +2951,10 @@
 @ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@I_W@Z
 @ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W0@Z
 @ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W0@Z
-@ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W@Z
-@ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W@Z
-@ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W_K@Z
-@ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_WI@Z
+@ cdecl -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W@Z(ptr wstr) MSVCP_basic_string_wchar_append_cstr
+@ thiscall -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W@Z(ptr wstr) MSVCP_basic_string_wchar_append_cstr
+@ cdecl -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W_K@Z(ptr wstr long) MSVCP_basic_string_wchar_append_cstr_len
+@ thiscall -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_WI@Z(ptr wstr long) MSVCP_basic_string_wchar_append_cstr_len
 @ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@V?$_String_const_iterator@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@2@0@Z
 @ stub -arch=win32 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@V?$_String_const_iterator@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@2@0@Z
 @ stub -arch=win64 ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@_K_W@Z

--- a/dlls/msvcp90/string.c
+++ b/dlls/msvcp90/string.c
@@ -1310,17 +1310,22 @@ void __thiscall MSVCP_basic_string_wchar_swap(basic_string_wchar *this, basic_st
 /* ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@AEBV12@_K1@Z */
 DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_wchar_append_substr, 16)
 basic_string_wchar* __thiscall MSVCP_basic_string_wchar_append_substr(basic_string_wchar *this,
-        basic_string_wchar *append, size_t offset, size_t count)
+        const basic_string_wchar *append, size_t offset, size_t count)
 {
+    TRACE("%p %p %lu %lu\n", this, append, (unsigned long)offset, (unsigned long)count);
+
    if(append->size < offset)
        MSVCP__String_base_Xran();

    if(count > append->size-offset)
        count = append->size-offset;

+    if(MSVCP_basic_string_wchar_npos-this->size<=count || this->size+count<this->size)
+        MSVCP__String_base_Xlen();
+
    if(basic_string_wchar_grow(this, this->size+count, FALSE)) {
        MSVCP_char_traits_wchar__Copy_s(basic_string_wchar_ptr(this)+this->size,
-                this->res-this->size, basic_string_wchar_ptr(append)+offset, count);
+                this->res-this->size, basic_string_wchar_const_ptr(append)+offset, count);
        basic_string_wchar_eos(this, this->size+count);
    }

@@ -1332,13 +1337,83 @@ basic_string_wchar* __thiscall MSVCP_basic_string_wchar_append_substr(basic_stri
 /* ??Y?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV01@ABV01@@Z */
 /* ??Y?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV01@AEBV01@@Z */
 DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_wchar_append, 8)
-    basic_string_wchar* __thiscall MSVCP_basic_string_wchar_append(
-            basic_string_wchar *this, basic_string_wchar *append)
+basic_string_wchar* __thiscall MSVCP_basic_string_wchar_append(
+            basic_string_wchar *this, const basic_string_wchar *append)
 {
    return MSVCP_basic_string_wchar_append_substr(this, append,
            0, MSVCP_basic_string_wchar_npos);
 }

+/* ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_WI@Z */
+/* ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W_K@Z */
+DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_wchar_append_cstr_len, 12)
+basic_string_wchar* __thiscall MSVCP_basic_string_wchar_append_cstr_len(
+        basic_string_wchar *this, const wchar_t *append, size_t count)
+{
+    TRACE("%p %s %lu\n", this, debugstr_w(append), (unsigned long)count);
+
+    if(basic_string_wchar_inside(this, append))
+        return MSVCP_basic_string_wchar_append_substr(this, this,
+                append-basic_string_wchar_ptr(this), count);
+
+    if(MSVCP_basic_string_wchar_npos-this->size<=count || this->size+count<this->size)
+        MSVCP__String_base_Xlen();
+
+    if(basic_string_wchar_grow(this, this->size+count, FALSE)) {
+        MSVCP_char_traits_wchar__Copy_s(basic_string_wchar_ptr(this)+this->size,
+                this->res-this->size, append, count);
+        basic_string_wchar_eos(this, this->size+count);
+    }
+
+    return this;
+}
+
+/* ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W@Z */
+/* ?append@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W@Z */
+DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_wchar_append_cstr, 8)
+basic_string_wchar* __thiscall MSVCP_basic_string_wchar_append_cstr(
+        basic_string_wchar *this, const wchar_t *append)
+{
+    return MSVCP_basic_string_wchar_append_cstr_len(this, append,
+            MSVCP_char_traits_wchar_length(append));
+}
+
+/* ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@PB_W@Z */
+/* ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@PEB_W@Z */
+basic_string_wchar* __cdecl MSVCP_basic_string_wchar_concatenate_bstr_cstr(basic_string_wchar *ret,
+        const basic_string_wchar *left, const wchar_t *right)
+{
+    TRACE("%p %s\n", left, debugstr_w(right));
+
+    MSVCP_basic_string_wchar_copy_ctor(ret, left);
+    MSVCP_basic_string_wchar_append_cstr(ret, right);
+    return ret;
+}
+
+/* ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PB_WABV10@@Z */
+/* ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@PEB_WAEBV10@@Z */
+basic_string_wchar* __cdecl MSVCP_basic_string_wchar_concatenate_cstr_bstr(basic_string_wchar *ret,
+        const wchar_t *left, const basic_string_wchar *right)
+{
+    TRACE("%s %p\n", debugstr_w(left), right);
+
+    MSVCP_basic_string_wchar_ctor_cstr(ret, left);
+    MSVCP_basic_string_wchar_append(ret, right);
+    return ret;
+}
+
+/* ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@0@Z */
+/* ??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@AEBV10@0@Z */
+basic_string_wchar* __cdecl MSVCP_basic_string_wchar_concatenate(basic_string_wchar *ret,
+        const basic_string_wchar *left, const basic_string_wchar *right)
+{
+    TRACE("%p %p\n", left, right);
+
+    MSVCP_basic_string_wchar_copy_ctor(ret, left);
+    MSVCP_basic_string_wchar_append(ret, right);
+    return ret;
+}
+
 /* ?compare@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBEHIIPB_WI@Z */
 /* ?compare@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEBAH_K0PEB_W0@Z */
 DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_wchar_compare_substr_cstr_len, 20)