67 	struct safe_allocation *alloc;  in safe_alloc()  local
72 	alloc = malloc(size + offsetof(struct safe_allocation, data));  in safe_alloc()
73 	if (!alloc)  in safe_alloc()
76 	alloc->size = size;  in safe_alloc()
78 	return &alloc->data;  in safe_alloc()
83 	struct safe_allocation *alloc;  in safe_free()  local
88 	alloc = data - offsetof(struct safe_allocation, data);  in safe_free()
90 	memset(data, 0, alloc->size);  in safe_free()
92 	alloc->size = 0x55aa55aa;  in safe_free()
93 	free(alloc);  in safe_free()
103 		struct safe_allocation *alloc;  in safe_realloc()  local
105 		alloc = data - offsetof(struct safe_allocation, data);  in safe_realloc()
107 		if (size > alloc->size)  in safe_realloc()
108 			size = alloc->size;  in safe_realloc()