msvcp90: Added basic_string::operator=(char) implementation.

dlls/msvcp90/msvcp90.spec

@@ -1382,8 +1382,8 @@
 @ cdecl -arch=win64 ??4?$allocator@_W@std@@QEAAAEAV01@AEBV01@@Z(ptr ptr) MSVCP_allocator_wchar_assign
 @ thiscall -arch=win32 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@ABV01@@Z(ptr ptr) MSVCP_basic_string_char_assign
 @ cdecl -arch=win64 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEAAAEAV01@AEBV01@@Z(ptr ptr) MSVCP_basic_string_char_assign
-@ stub -arch=win32 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@D@Z
-@ stub -arch=win64 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEAAAEAV01@D@Z
+@ thiscall -arch=win32 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@D@Z(ptr long) MSVCP_basic_string_char_assign_ch
+@ cdecl -arch=win64 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEAAAEAV01@D@Z(ptr long) MSVCP_basic_string_char_assign_ch
 @ thiscall -arch=win32 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@PBD@Z(ptr ptr) MSVCP_basic_string_char_assign_cstr
 @ cdecl -arch=win64 ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEAAAEAV01@PEBD@Z(ptr ptr) MSVCP_basic_string_char_assign_cstr
 @ stub -arch=win32 ??4?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEAAV01@ABV01@@Z
@@ -1396,8 +1396,8 @@
 @ cdecl -arch=win64 ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV01@AEBV01@@Z(ptr ptr) MSVCP_basic_string_wchar_assign
 @ thiscall -arch=win32 ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV01@PB_W@Z(ptr wstr) MSVCP_basic_string_wchar_assign_cstr
 @ cdecl -arch=win64 ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV01@PEB_W@Z(ptr wstr) MSVCP_basic_string_wchar_assign_cstr
-@ stub -arch=win32 ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV01@_W@Z
-@ stub -arch=win64 ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV01@_W@Z
+@ thiscall -arch=win32 ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV01@_W@Z(ptr long) MSVCP_basic_string_wchar_assign_ch
+@ cdecl -arch=win64 ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV01@_W@Z(ptr long) MSVCP_basic_string_wchar_assign_ch
 @ stub -arch=win32 ??4?$char_traits@D@std@@QAEAAU01@ABU01@@Z
 @ stub -arch=win64 ??4?$char_traits@D@std@@QEAAAEAU01@AEBU01@@Z
 @ stub -arch=win32 ??4?$char_traits@G@std@@QAEAAU01@ABU01@@Z

dlls/msvcp90/string.c

@@ -697,6 +697,15 @@ basic_string_char* __thiscall MSVCP_basic_string_char_assign_cstr_len(
     return this;
 }
 
+/* ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@D@Z */
+/* ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEAAAEAV01@D@Z */
+DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_char_assign_ch, 8)
+basic_string_char* __thiscall MSVCP_basic_string_char_assign_ch(
+        basic_string_char *this, char ch)
+{
+    return MSVCP_basic_string_char_assign_cstr_len(this, &ch, 1);
+}
+
 /* ?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBD@Z */
 /* ?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEAAAEAV12@PEBD@Z */
 /* ??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@PBD@Z */
@@ -1573,6 +1582,15 @@ basic_string_wchar* __thiscall MSVCP_basic_string_wchar_assign_cstr_len(
     return this;
 }
 
+/* ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV01@_W@Z */
+/* ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV01@_W@Z */
+DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_wchar_assign_ch, 8)
+basic_string_wchar* __thiscall MSVCP_basic_string_wchar_assign_ch(
+        basic_string_wchar *this, wchar_t ch)
+{
+        return MSVCP_basic_string_wchar_assign_cstr_len(this, &ch, 1);
+}
+
 /* ?assign@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV12@PB_W@Z */
 /* ?assign@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QEAAAEAV12@PEB_W@Z */
 /* ??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV01@PB_W@Z */