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protect against broken apps

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This commit is contained in:
Daniel Borca 2004-01-07 13:54:17 +00:00
parent 63f025c5ad
commit 4c75d90ad2
1 changed files with 11 additions and 4 deletions
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15
src/mesa/drivers/glide/fxwgl.c
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@ -827,10 +827,17 @@ wglSetPixelFormat(HDC hdc, int iPixelFormat, const PIXELFORMATDESCRIPTOR * ppfd)
qt_valid_pix = qt_pix;
if (iPixelFormat < 1 || iPixelFormat > qt_valid_pix
|| ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) {
SetLastError(0);
return (FALSE);
if (iPixelFormat < 1 || iPixelFormat > qt_valid_pix) {
if (ppfd == NULL) {
PIXELFORMATDESCRIPTOR my_pfd;
if (!wglDescribePixelFormat(hdc, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &my_pfd)) {
SetLastError(0);
return (FALSE);
}
} else if (ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) {
SetLastError(0);
return (FALSE);
}
}
curPFD = iPixelFormat;