fix: Memory leak in image class for empty dimensions (boostorg#649)

mloskot · Jun 27, 2022 · 8d7034c · 8d7034c
1 parent 5c3cfc7
commit 8d7034c
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/include/boost/gil/image.hpp b/include/boost/gil/image.hpp
@@ -449,6 +449,11 @@ class image
     {
         // if it throws and _memory!=0 the client must deallocate _memory
         _allocated_bytes = total_allocated_size_in_bytes(dimensions);
+        if (_allocated_bytes == 0)
+        {
+            return;
+        }
+
         _memory=_alloc.allocate( _allocated_bytes );
 
         unsigned char* tmp=(_align_in_bytes>0) ? (unsigned char*)align((std::size_t)_memory,_align_in_bytes) : _memory;
@@ -465,6 +470,10 @@ class image
         std::size_t plane_size=row_size*dimensions.y;
 
         _allocated_bytes = total_allocated_size_in_bytes( dimensions );
+        if (_allocated_bytes == 0)
+        {
+            return;
+        }
 
         _memory = _alloc.allocate( _allocated_bytes );