jdk/src/share/native/sun/awt/medialib/safe_alloc.h

rev 5697 : 8001972: Improve image processing
Reviewed-by: prr, ahgross

*** 39,45 ****
--- 39,50 ----
  
  #define SAFE_TO_ALLOC_3(w, h, sz)                                          \
      (((w) > 0) && ((h) > 0) && ((sz) > 0) &&                               \
       (((0xffffffffu / ((juint)(w))) / ((juint)(h))) > ((juint)(sz))))
  
+ #define SAFE_TO_MULT(a, b) \
+     (((a) > 0) && ((b) >= 0) && ((0x7fffffff / (a)) > (b)))
+ 
+ #define SAFE_TO_ADD(a, b) \
+     (((a) >= 0) && ((b) >= 0) && ((0x7fffffff - (a)) > (b)))
  
  #endif // __SAFE_ALLOC_H__