Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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53 lines
1.4 KiB
53 lines
1.4 KiB
/* Copyright (c) 2016, Google Inc. |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
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#include <openssl/bytestring.h> |
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#include <assert.h> |
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#include <limits.h> |
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#include <string.h> |
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#include <openssl/mem.h> |
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#include "internal.h" |
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#include "../internal.h" |
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int CBB_finish_i2d(CBB *cbb, uint8_t **outp) { |
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assert(!cbb->is_child); |
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assert(cbb->u.base.can_resize); |
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uint8_t *der; |
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size_t der_len; |
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if (!CBB_finish(cbb, &der, &der_len)) { |
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CBB_cleanup(cbb); |
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return -1; |
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} |
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if (der_len > INT_MAX) { |
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OPENSSL_free(der); |
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return -1; |
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} |
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if (outp != NULL) { |
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if (*outp == NULL) { |
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*outp = der; |
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der = NULL; |
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} else { |
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OPENSSL_memcpy(*outp, der, der_len); |
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*outp += der_len; |
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} |
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} |
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OPENSSL_free(der); |
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return (int)der_len; |
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}
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