ucrtbase: Add __std_exception_destroy/copy.

Signed-off-by: Daniel Lehman <dlehman@esri.com>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/api-ms-win-crt-private-l1-1-0/api-ms-win-crt-private-l1-1-0.spec

@@ -42,8 +42,8 @@
 @ stub __intrinsic_setjmpex
 @ stub __processing_throw
 @ stub __report_gsfailure
-@ stub __std_exception_copy
+@ cdecl __std_exception_copy(ptr ptr) ucrtbase.__std_exception_copy
-@ stub __std_exception_destroy
+@ cdecl __std_exception_destroy(ptr) ucrtbase.__std_exception_destroy
 @ cdecl __std_type_info_compare(ptr ptr) ucrtbase.__std_type_info_compare
 @ stub __std_type_info_destroy_list
 @ stub __std_type_info_hash

dlls/msvcrt/except.c

@@ -462,3 +462,38 @@ void CDECL __CxxUnregisterExceptionObject(cxx_frame_info *frame_info, BOOL in_us
         __DestructExceptionObject(data->exc_record);
     data->exc_record = frame_info->rec;
 }
+
+struct __std_exception_data {
+    char       *what;
+    MSVCRT_bool dofree;
+};
+
+/*********************************************************************
+ *  __std_exception_copy (MSVCRT.@)
+ */
+void CDECL MSVCRT___std_exception_copy(const struct __std_exception_data *src,
+                                       struct __std_exception_data *dst)
+{
+    TRACE("(%p %p)\n", src, dst);
+
+    if(src->dofree && src->what) {
+        dst->what   = MSVCRT__strdup(src->what);
+        dst->dofree = 1;
+    } else {
+        dst->what   = src->what;
+        dst->dofree = 0;
+    }
+}
+
+/*********************************************************************
+ *  __std_exception_destroy (MSVCRT.@)
+ */
+void CDECL MSVCRT___std_exception_destroy(struct __std_exception_data *data)
+{
+    TRACE("(%p)\n", data);
+
+    if(data->dofree)
+        MSVCRT_free(data->what);
+    data->what   = NULL;
+    data->dofree = 0;
+}

dlls/ucrtbase/tests/Makefile.in

@@ -2,5 +2,6 @@ TESTDLL   = ucrtbase.dll
 APPMODE   = -mno-cygwin
 
 C_SRCS = \
+	cpp.c \
 	printf.c \
 	string.c

dlls/ucrtbase/tests/cpp.c

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2016 Daniel Lehman (Esri)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <stdio.h>
+
+#include <windef.h>
+#include <winbase.h>
+#include "wine/test.h"
+
+typedef unsigned char MSVCRT_bool;
+
+typedef struct {
+    const char  *what;
+    MSVCRT_bool  dofree;
+} __std_exception_data;
+
+static void (CDECL *p___std_exception_copy)(const __std_exception_data*, __std_exception_data*);
+static void (CDECL *p___std_exception_destroy)(__std_exception_data*);
+
+static BOOL init(void)
+{
+    HMODULE module;
+
+    module = LoadLibraryA("ucrtbase.dll");
+    if (!module)
+    {
+        win_skip("ucrtbase.dll not installed\n");
+        return FALSE;
+    }
+
+    p___std_exception_copy = (void*)GetProcAddress(module, "__std_exception_copy");
+    p___std_exception_destroy = (void*)GetProcAddress(module, "__std_exception_destroy");
+    return TRUE;
+}
+
+static void test___std_exception(void)
+{
+    __std_exception_data src;
+    __std_exception_data dst;
+
+    if (0) /* crash on Windows */
+    {
+        p___std_exception_copy(NULL, &src);
+        p___std_exception_copy(&dst, NULL);
+
+        src.what   = "invalid free";
+        src.dofree = 1;
+        p___std_exception_destroy(&src);
+        p___std_exception_destroy(NULL);
+    }
+
+    src.what   = "what";
+    src.dofree = 0;
+    p___std_exception_copy(&src, &dst);
+    ok(dst.what == src.what, "expected what to be same, got src %p dst %p\n", src.what, dst.what);
+    ok(!dst.dofree, "expected 0, got %d\n", dst.dofree);
+
+    src.dofree = 0x42;
+    p___std_exception_copy(&src, &dst);
+    ok(dst.what != src.what, "expected what to be different, got src %p dst %p\n", src.what, dst.what);
+    ok(dst.dofree == 1, "expected 1, got %d\n", dst.dofree);
+
+    p___std_exception_destroy(&dst);
+    ok(!dst.what, "expected NULL, got %p\n", dst.what);
+    ok(!dst.dofree, "expected 0, got %d\n", dst.dofree);
+
+    src.what = NULL;
+    src.dofree = 0;
+    p___std_exception_copy(&src, &dst);
+    ok(!dst.what, "dst.what != NULL\n");
+    ok(!dst.dofree, "dst.dofree != FALSE\n");
+
+    src.what = NULL;
+    src.dofree = 1;
+    p___std_exception_copy(&src, &dst);
+    ok(!dst.what, "dst.what != NULL\n");
+    ok(!dst.dofree, "dst.dofree != FALSE\n");
+}
+
+START_TEST(cpp)
+{
+    if (!init()) return;
+    test___std_exception();
+}

dlls/ucrtbase/ucrtbase.spec

@@ -140,8 +140,8 @@
 @ cdecl __pxcptinfoptrs() MSVCRT___pxcptinfoptrs
 @ stub __report_gsfailure
 @ cdecl __setusermatherr(ptr) MSVCRT___setusermatherr
-@ stub __std_exception_copy
+@ cdecl __std_exception_copy(ptr ptr) MSVCRT___std_exception_copy
-@ stub __std_exception_destroy
+@ cdecl __std_exception_destroy(ptr) MSVCRT___std_exception_destroy
 @ cdecl __std_type_info_compare(ptr ptr) MSVCRT_type_info_compare
 @ stub __std_type_info_destroy_list
 @ stub __std_type_info_hash

dlls/vcruntime140/vcruntime140.spec

@@ -36,8 +36,8 @@
 @ stub __intrinsic_setjmpex
 @ stub __processing_throw
 @ stub __report_gsfailure
-@ stub __std_exception_copy
+@ cdecl __std_exception_copy(ptr ptr) ucrtbase.__std_exception_copy
-@ stub __std_exception_destroy
+@ cdecl __std_exception_destroy(ptr) ucrtbase.__std_exception_destroy
 @ stub __std_terminate
 @ cdecl __std_type_info_compare(ptr ptr) ucrtbase.__std_type_info_compare
 @ stub __std_type_info_destroy_list