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Compare function pointers against 0 rather than nil.

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This commit is contained in:
wkj 2004-07-09 01:54:06 +00:00
parent eac9e0183f
commit a87638642c
13 changed files with 15 additions and 15 deletions
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4
src/libdraw/ml-lsetrefresh.c
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@ -10,13 +10,13 @@ memlsetrefresh(Memimage *i, Refreshfn fn, void *ptr)
Memlayer *l;
l = i->layer;
if(l->refreshfn!=nil && fn!=nil){ /* just change functions */
if(l->refreshfn!=0 && fn!=0){ /* just change functions */
l->refreshfn = fn;
l->refreshptr = ptr;
return 1;
}
if(l->refreshfn == nil){ /* is using backup image; just free it */
if(l->refreshfn == 0){ /* is using backup image; just free it */
freememimage(l->save);
l->save = nil;
l->refreshfn = fn;

2
src/libdraw/ml-unload.c
View file

@ -35,7 +35,7 @@ memunload(Memimage *src, Rectangle r, uchar *data, int n)
* src is an obscured layer or data is unaligned
*/
if(dl->save && dx==0){
if(dl->refreshfn != nil)
if(dl->refreshfn != 0)
return -1; /* can't unload window if it's not Refbackup */
if(n > 0)
memlhide(src, r);