plan9port

commit e4c74b87b6798b5255a3b794276cf83fea19b36d
parent 784d65506702aab589d768a5db8113aca11dd6de
Author: rsc <devnull@localhost>
Date:   Sat, 28 Jan 2006 23:45:53 +0000

do not die in freeimage(0) when screen==0

Diffstat:
M
src/libdraw/alloc.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/libdraw/alloc.c b/src/libdraw/alloc.c
@@ -231,9 +231,10 @@ freeimage(Image *i)
 {
 	int ret;
 
+	if(i == nil)
+		return;
 	if(i == screen)
 		abort();
-
 	ret = _freeimage1(i);
 	free(i);
 	return ret;