Merge pull request #407 from x2018/_cmsMallocDefaultFn

Not allow 0 as the size for memory allocation Looks great, thanks you!
mm2 · Oct 31, 2023 · bbd6f1b · bbd6f1b
2 parents 5c0655a + 71e58f1
commit bbd6f1b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/cmserr.c b/src/cmserr.c
@@ -92,7 +92,8 @@ cmsBool   _cmsRegisterMemHandlerPlugin(cmsContext ContextID, cmsPluginBase* Plug
 static
 void* _cmsMallocDefaultFn(cmsContext ContextID, cmsUInt32Number size)
 {
-    if (size > MAX_MEMORY_FOR_ALLOC) return NULL;  // Never allow over maximum
+    // Never allow 0 or over maximum
+    if (size == 0 || size > MAX_MEMORY_FOR_ALLOC) return NULL;
 
     return (void*) malloc(size);