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Check for null pointers, keep wine msg test from crashing.

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svn path=/trunk/; revision=34774
This commit is contained in:
James Tabor 2008-07-25 12:26:22 +00:00
parent 0104c42bb4
commit 9f5f04ab20
1 changed files with 20 additions and 0 deletions
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20
reactos/dll/win32/user32/windows/message.c
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@ -1441,6 +1441,11 @@ GetMessageA(LPMSG lpMsg,
MsgiKMToUMCleanup(&Info.Msg, &Conversion.UnicodeMsg);
return (BOOL) -1;
}
if (!lpMsg)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
*lpMsg = Conversion.AnsiMsg;
Conversion.Ansi = TRUE;
Conversion.FinalMsg = lpMsg;
@ -1481,6 +1486,11 @@ GetMessageW(LPMSG lpMsg,
{
return (BOOL) -1;
}
if (!lpMsg)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
*lpMsg = Conversion.UnicodeMsg;
Conversion.Ansi = FALSE;
Conversion.FinalMsg = lpMsg;
@ -1527,6 +1537,11 @@ PeekMessageA(LPMSG lpMsg,
MsgiKMToUMCleanup(&Info.Msg, &Conversion.UnicodeMsg);
return (BOOL) -1;
}
if (!lpMsg)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
*lpMsg = Conversion.AnsiMsg;
Conversion.Ansi = TRUE;
Conversion.FinalMsg = lpMsg;
@ -1570,6 +1585,11 @@ PeekMessageW(
{
return (BOOL) -1;
}
if (!lpMsg)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
*lpMsg = Conversion.UnicodeMsg;
Conversion.Ansi = FALSE;
Conversion.FinalMsg = lpMsg;