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cli/vendor/aws-lc-sys/aws-lc/crypto/bytestring/asn1_compat.c

43 lines
752 B
C

// Copyright (c) 2016, Google Inc.
// SPDX-License-Identifier: ISC
#include <openssl/bytestring.h>
#include <assert.h>
#include <limits.h>
#include <string.h>
#include <openssl/mem.h>
#include "internal.h"
#include "../internal.h"
int CBB_finish_i2d(CBB *cbb, uint8_t **outp) {
assert(!cbb->is_child);
assert(cbb->u.base.can_resize);
uint8_t *der;
size_t der_len;
if (!CBB_finish(cbb, &der, &der_len)) {
CBB_cleanup(cbb);
return -1;
}
if (der_len > INT_MAX) {
OPENSSL_free(der);
return -1;
}
if (outp != NULL) {
if (*outp == NULL) {
*outp = der;
der = NULL;
} else {
OPENSSL_memcpy(*outp, der, der_len);
*outp += der_len;
}
}
OPENSSL_free(der);
return (int)der_len;
}