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protect deleted objects from reusal with safemalloc technique

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2003-06-11 13:32:50 +02:00
parent 0826127b2b
commit 3a4be00416
1 changed files with 5 additions and 1 deletions
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6
sql/field.h
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@@ -37,7 +37,11 @@ class Field
void operator=(Field &);
public:
static void *operator new(size_t size) {return (void*) sql_alloc((uint) size); }
static void operator delete(void *ptr_arg, size_t size) {} /*lint -e715 */
static void operator delete(void *ptr_arg, size_t size) {
#ifdef PEDANTIC_SAFEMALLOC
bfill(ptr_arg, size, 0x8F);
#endif
}
char *ptr; // Position to field in record
uchar *null_ptr; // Byte where null_bit is