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render: don't dereference cursor if cursor is NULL.

This commit is contained in:
Peter Hutterer 2008-05-12 20:05:21 +09:30
parent fc35d1e3be
commit 248a1df634
1 changed files with 1 additions and 1 deletions
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2
render/animcur.c
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@ -93,7 +93,7 @@ static CursorBits animCursorBits = {
static int AnimCurGeneration;
static DevPrivateKey AnimCurScreenPrivateKey = &AnimCurScreenPrivateKey;
#define IsAnimCur(c) ((c)->bits == &animCursorBits)
#define IsAnimCur(c) ((c) && ((c)->bits == &animCursorBits))
#define GetAnimCur(c) ((AnimCurPtr) ((c) + 1))
#define GetAnimCurScreen(s) ((AnimCurScreenPtr)dixLookupPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey))
#define GetAnimCurScreenIfSet(s) GetAnimCurScreen(s)