objective c - BAD_ACCESS error -


in h file have 

@property __strong ghost* **gameboard;

and initialized in m file this

sharedengine.gameboard = (ghost* __strong** )malloc(sizeof(ghost**) * [levelmanager sharedmanager].selectedlevel.fieldrowsnumber);     for(int = 0; < [levelmanager sharedmanager].selectedlevel.fieldrowsnumber; i++ )     {         sharedengine.gameboard[i] = (ghost* __strong*)malloc(sizeof(ghost*) * [levelmanager sharedmanager].selectedlevel.fieldcolumnsnumber);     }

have done wrong because having bad_access crashes.


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