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Fix SourceForge bug 664908. wglDescribePixelFormat should return the

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number of valid PFD's if the PFD pointer is NULL, without checking
the validity of the other parameters.
This commit is contained in:
Karl Schultz 2003-01-15 00:34:16 +00:00
parent 4fc647c397
commit ec4c882e47
1 changed files with 3 additions and 1 deletions
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4
src/mesa/drivers/windows/wgl.c
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@ -1,4 +1,4 @@
/* $Id: wgl.c,v 1.11 2002/09/04 14:14:36 brianp Exp $ */
/* $Id: wgl.c,v 1.12 2003/01/15 00:34:16 kschultz Exp $ */
/*
* This library is free software; you can redistribute it and/or
@ -558,6 +558,8 @@ WGLAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nByte
int qt_valid_pix;
qt_valid_pix = qt_pix;
if(ppfd == NULL)
return(qt_valid_pix);
if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || nBytes != sizeof(PIXELFORMATDESCRIPTOR))
{
SetLastError(0);