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user32: Allocate buffer on heap.

This commit is contained in:
Paul Vriens 2009-01-23 18:07:09 +01:00 committed by Alexandre Julliard
parent a8a2ca72bd
commit fd3c7be0e0
1 changed files with 7 additions and 6 deletions
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13
dlls/user32/message.c
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@ -2028,9 +2028,10 @@ static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags
struct user_thread_info *thread_info = get_user_thread_info();
struct received_message_info info, *old_info;
unsigned int hw_id = 0; /* id of previous hardware message */
char local_buffer[256];
void *buffer = local_buffer;
size_t buffer_size = sizeof(local_buffer);
void *buffer;
size_t buffer_size = 256;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
if (!first && !last) last = ~0;
@ -2070,7 +2071,7 @@ static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags
if (res)
{
if (buffer != local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
HeapFree( GetProcessHeap(), 0, buffer );
if (res != STATUS_BUFFER_OVERFLOW) return FALSE;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size ))) return FALSE;
continue;
@ -2163,7 +2164,7 @@ static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags
thread_info->GetMessagePosVal = MAKELONG( info.msg.pt.x, info.msg.pt.y );
thread_info->GetMessageTimeVal = info.msg.time;
thread_info->GetMessageExtraInfoVal = msg_data->hardware.info;
if (buffer != local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
HeapFree( GetProcessHeap(), 0, buffer );
HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
return TRUE;
}
@ -2194,7 +2195,7 @@ static BOOL peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, UINT flags
msg->pt.y = (short)HIWORD( thread_info->GetMessagePosVal );
thread_info->GetMessageTimeVal = info.msg.time;
thread_info->GetMessageExtraInfoVal = 0;
if (buffer != local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
HeapFree( GetProcessHeap(), 0, buffer );
HOOK_CallHooks( WH_GETMESSAGE, HC_ACTION, flags & PM_REMOVE, (LPARAM)msg, TRUE );
return TRUE;
}