char *new_data=(char *)OPENSSL_realloc(ret->data, len+4);
unsigned char *new_data=OPENSSL_realloc(ret->data, len+4);
ASN1_INTEGER *BN_to_ASN1_INTEGER(BIGNUM *bn, ASN1_INTEGER *ai)	{	ASN1_INTEGER *ret;	int len,j;	if (ai == NULL)		ret=M_ASN1_INTEGER_new();	else		ret=ai;	if (ret == NULL)		{		ASN1err(ASN1_F_BN_TO_ASN1_INTEGER,ERR_R_NESTED_ASN1_ERROR);		goto err;		}	if(bn->neg) ret->type = V_ASN1_NEG_INTEGER;	else ret->type=V_ASN1_INTEGER;	j=BN_num_bits(bn);	len=((j == 0)?0:((j/8)+1));	if (ret->length < len+4)		{		char *new_data=(char *)OPENSSL_realloc(ret->data, len+4);		if (!new_data)			{			ASN1err(ASN1_F_BN_TO_ASN1_INTEGER,ERR_R_MALLOC_FAILURE);			goto err;			}		ret->data=new_data;		}	ret->length=BN_bn2bin(bn,ret->data);	/* Correct zero case */	if(!ret->length)		{		ret->data[0] = 0;		ret->length = 1;		}	return(ret);err:	if (ret != ai) M_ASN1_INTEGER_free(ret);	return(NULL);	}