fixed ticket #983

14 years ago · 6f26c55fe3
parent 22927ff121
commit 6f26c55fe3
1 changed files with 6 additions and 3 deletions
--- a/modules/core/src/persistence.cpp
+++ b/modules/core/src/persistence.cpp
@ -4790,9 +4790,12 @@ cvTypeOf( const void* struct_ptr )
 {
    CvTypeInfo* info = 0;

-    for( info = CvType::first; info != 0; info = info->next )
-        if( info->is_instance( struct_ptr ))
-            break;
+    if( struct_ptr )
+    {
+        for( info = CvType::first; info != 0; info = info->next )
+            if( info->is_instance( struct_ptr ))
+                break;
+    }

    return info;
 }