don't require a ptr unless size > 0

git-svn-id: http://skia.googlecode.com/svn/trunk@1259 2bbb7eff-a529-9590-31e7-b0007b416f81

diff --git a/include/core/SkReader32.h b/include/core/SkReader32.h
index 598723c..03a34c7 100644 (file)
--- a/include/core/SkReader32.h
+++ b/include/core/SkReader32.h
@@ -90,7 +90,7 @@ public:
     }
     
     void read(void* dst, size_t size) {
-        SkASSERT(dst != NULL);
+        SkASSERT(0 == size || dst != NULL);
         SkASSERT(ptr_align_4(fCurr));
         memcpy(dst, fCurr, size);
         fCurr += SkAlign4(size);