Piotr Caban : msvcp90: Added basic_string<char> constructor ( with no arguments) implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6c57f13a6b16ee220cb02087c7527d9edba607c3
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6c57f13a6b16ee220cb02087c7527d9edba607c3

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Thu Aug 19 12:17:11 2010 +0200

msvcp90: Added basic_string<char> constructor (with no arguments) implementation.

---

 dlls/msvcp90/msvcp90.h    |   15 +++++++++++++
 dlls/msvcp90/msvcp90.spec |    4 +-
 dlls/msvcp90/string.c     |   49 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 66 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcp90/msvcp90.h b/dlls/msvcp90/msvcp90.h
index 8d588ef..89d549b 100644
--- a/dlls/msvcp90/msvcp90.h
+++ b/dlls/msvcp90/msvcp90.h
@@ -109,3 +109,18 @@ typedef struct _rtti_object_locator
     const type_info *type_descriptor;
     const rtti_object_hierarchy *type_hierarchy;
 } rtti_object_locator;
+
+/* basic_string<char, char_traits<char>, allocator<char>> */
+#define BUF_SIZE_CHAR 16
+typedef struct _basic_string_char
+{
+    void *allocator;
+    union _data {
+        char buf[BUF_SIZE_CHAR];
+        char *ptr;
+    } data;
+    size_t size;
+    size_t res;
+} basic_string_char;
+
+void __stdcall MSVCP_allocator_char_deallocate(void*, char*, size_t);
diff --git a/dlls/msvcp90/msvcp90.spec b/dlls/msvcp90/msvcp90.spec
index 0542b63..2d6b312 100644
--- a/dlls/msvcp90/msvcp90.spec
+++ b/dlls/msvcp90/msvcp90.spec
@@ -753,10 +753,10 @@
 @ stub -arch=win32 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QAE at PBDI@Z
 @ stub -arch=win64 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QEAA at V?$_String_const_iterator at DU?$char_traits at D@std@@V?$allocator at D@2@@1 at 0@Z
 @ stub -arch=win32 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QAE at PBDIABV?$allocator at D@1@@Z
-@ stub -arch=win64 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QEAA at XZ
+@ cdecl -arch=win64 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QEAA at XZ(ptr) MSVCP_basic_string_char_ctor
 @ stub -arch=win32 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QAE at V?$_String_const_iterator at DU?$char_traits at D@std@@V?$allocator at D@2@@1 at 0@Z
 @ stub -arch=win64 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QEAA at _KD@Z
-@ stub -arch=win32 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QAE at XZ
+@ cdecl -arch=win32 -i386 -norelay ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QAE at XZ() __thiscall_MSVCP_basic_string_char_ctor
 @ stub -arch=win64 ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QEAA at _KDAEBV?$allocator at D@1@@Z
 @ stub -arch=win32 ??0?$basic_string at GU?$char_traits at G@std@@V?$allocator at G@2@@std@@QAE at ABV01@@Z
 @ stub -arch=win64 ??0?$basic_string at GU?$char_traits at G@std@@V?$allocator at G@2@@std@@QEAA at AEBV01@@Z
diff --git a/dlls/msvcp90/string.c b/dlls/msvcp90/string.c
index 8b7c320..ddf8f88 100644
--- a/dlls/msvcp90/string.c
+++ b/dlls/msvcp90/string.c
@@ -16,6 +16,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include "config.h"
+
 #include <stdarg.h>
 
 #include "msvcp90.h"
@@ -462,3 +464,50 @@ unsigned short CDECL MSVCP_char_traits_short_not_eof(const unsigned short *in)
 {
     return (*in==(unsigned short)-1 ? 0 : *in);
 }
+
+
+/* basic_string<char, char_traits<char>, allocator<char>> */
+/* Internal: basic_string_char_ptr - return pointer to stored string */
+static char* basic_string_char_ptr(basic_string_char *this)
+{
+    if(this->res == BUF_SIZE_CHAR-1)
+        return this->data.buf;
+    return this->data.ptr;
+}
+
+/* Internal: basic_string_char_eos - sets string length, puts '\0' on the end */
+static void basic_string_char_eos(basic_string_char *this, size_t len)
+{
+    static const char nullbyte = '\0';
+
+    this->size = len;
+    MSVCP_char_traits_char_assign(basic_string_char_ptr(this)+len, &nullbyte);
+}
+
+/* Internal: basic_string_char_tidy - initialize basic_string buffer, deallocates data */
+/* Caution: new_size have to be smaller than BUF_SIZE_CHAR */
+static void basic_string_char_tidy(basic_string_char *this,
+        MSVCP_BOOL built, int new_size)
+{
+    if(built && BUF_SIZE_CHAR<=this->res) {
+        char *ptr = this->data.ptr;
+
+        if(new_size > 0)
+            MSVCP_char_traits_char__Copy_s(this->data.buf, BUF_SIZE_CHAR, ptr, new_size);
+        MSVCP_allocator_char_deallocate(this->allocator, ptr, this->res+1);
+    }
+
+    this->res = BUF_SIZE_CHAR-1;
+    basic_string_char_eos(this, new_size);
+}
+
+/* ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QAE at XZ */
+/* ??0?$basic_string at DU?$char_traits at D@std@@V?$allocator at D@2@@std@@QEAA at XZ */
+DEFINE_THISCALL_WRAPPER(MSVCP_basic_string_char_ctor, 4)
+basic_string_char* __stdcall MSVCP_basic_string_char_ctor(basic_string_char *this)
+{
+    TRACE("%p\n", this);
+
+    basic_string_char_tidy(this, FALSE, 0);
+    return this;
+}