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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;