kernelbase: Use exception handlers instead of IsBad* functions.

dlls/kernelbase/memory.c

@@ -688,7 +688,20 @@ LPVOID WINAPI DECLSPEC_HOTPATCH LocalLock( HLOCAL hmem )
 {
     void *ret = NULL;
 
-    if (is_pointer( hmem )) return IsBadReadPtr( hmem, 1 ) ? NULL : hmem;
+    if (is_pointer( hmem ))
+    {
+        __TRY
+        {
+            volatile char *p = hmem;
+            *p |= 0;
+        }
+        __EXCEPT_PAGE_FAULT
+        {
+            return NULL;
+        }
+        __ENDTRY
+        return hmem;
+    }
 
     RtlLockHeap( GetProcessHeap() );
     __TRY

dlls/kernelbase/path.c

@@ -30,6 +30,7 @@
 #include "winternl.h"
 
 #include "kernelbase.h"
+#include "wine/exception.h"
 #include "wine/debug.h"
 #include "wine/heap.h"
 
@@ -5049,10 +5050,15 @@ HRESULT WINAPI HashData(const unsigned char *src, DWORD src_len, unsigned char *
 
 HRESULT WINAPI UrlHashA(const char *url, unsigned char *dest, DWORD dest_len)
 {
-    if (IsBadStringPtrA(url, -1) || IsBadWritePtr(dest, dest_len))
+    __TRY
+    {
+        HashData((const BYTE *)url, (int)strlen(url), dest, dest_len);
+    }
+    __EXCEPT_PAGE_FAULT
+    {
         return E_INVALIDARG;
-
-    HashData((const BYTE *)url, (int)strlen(url), dest, dest_len);
+    }
+    __ENDTRY
     return S_OK;
 }
 
@@ -5062,11 +5068,16 @@ HRESULT WINAPI UrlHashW(const WCHAR *url, unsigned char *dest, DWORD dest_len)
 
     TRACE("%s, %p, %d\n", debugstr_w(url), dest, dest_len);
 
-    if (IsBadStringPtrW(url, -1) || IsBadWritePtr(dest, dest_len))
+    __TRY
+    {
+        WideCharToMultiByte(CP_ACP, 0, url, -1, urlA, MAX_PATH, NULL, NULL);
+        HashData((const BYTE *)urlA, (int)strlen(urlA), dest, dest_len);
+    }
+    __EXCEPT_PAGE_FAULT
+    {
         return E_INVALIDARG;
-
-    WideCharToMultiByte(CP_ACP, 0, url, -1, urlA, MAX_PATH, NULL, NULL);
-    HashData((const BYTE *)urlA, (int)strlen(urlA), dest, dest_len);
+    }
+    __ENDTRY
     return S_OK;
 }
 

dlls/kernelbase/registry.c

@@ -41,6 +41,7 @@
 
 #include "kernelbase.h"
 #include "wine/debug.h"
+#include "wine/exception.h"
 #include "wine/heap.h"
 #include "wine/list.h"
 
@@ -3432,8 +3433,16 @@ LONG WINAPI SHRegWriteUSValueW(HUSKEY hUSKey, const WCHAR *value, DWORD type, vo
 
     TRACE("%p, %s, %d, %p, %d, %#x\n", hUSKey, debugstr_w(value), type, data, data_len, flags);
 
-    if (!hUSKey || IsBadWritePtr(hUSKey, sizeof(struct USKEY)) || !(flags & (SHREGSET_FORCE_HKCU|SHREGSET_FORCE_HKLM)))
+    __TRY
+    {
+        dummy = hKey->HKCUkey || hKey->HKLMkey;
+    }
+    __EXCEPT_PAGE_FAULT
+    {
         return ERROR_INVALID_PARAMETER;
+    }
+    __ENDTRY
+    if (!(flags & (SHREGSET_FORCE_HKCU|SHREGSET_FORCE_HKLM))) return ERROR_INVALID_PARAMETER;
 
     if (flags & (SHREGSET_FORCE_HKCU | SHREGSET_HKCU))
     {

dlls/kernelbase/sync.c

@@ -36,6 +36,7 @@
 
 #include "kernelbase.h"
 #include "wine/asm.h"
+#include "wine/exception.h"
 #include "wine/debug.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(sync);
@@ -336,14 +337,16 @@ HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExW( SECURITY_ATTRIBUTES *sa, LPCWSTR
     /* one buggy program needs this
      * ("Van Dale Groot woordenboek der Nederlandse taal")
      */
-    if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES)))
+    __TRY
+    {
+        get_create_object_attributes( &attr, &nameW, sa, name );
+    }
+    __EXCEPT_PAGE_FAULT
     {
-        ERR("Bad security attributes pointer %p\n",sa);
         SetLastError( ERROR_INVALID_PARAMETER);
         return 0;
     }
-
-    get_create_object_attributes( &attr, &nameW, sa, name );
+    __ENDTRY
 
     status = NtCreateEvent( &ret, access, &attr,
                             (flags & CREATE_EVENT_MANUAL_RESET) ? NotificationEvent : SynchronizationEvent,