Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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140 lines
6.8 KiB
140 lines
6.8 KiB
4 years ago
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.] */
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#ifndef OPENSSL_HEADER_DECREPIT_MACROS_H
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#define OPENSSL_HEADER_DECREPIT_MACROS_H
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#include "../crypto/internal.h"
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// NOTE - c is not incremented as per n2l
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#define n2ln(c, l1, l2, n) \
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{ \
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c += n; \
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l1 = l2 = 0; \
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switch (n) { \
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case 8: \
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l2 = ((unsigned long)(*(--(c)))); \
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OPENSSL_FALLTHROUGH; \
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case 7: \
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l2 |= ((unsigned long)(*(--(c)))) << 8; \
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OPENSSL_FALLTHROUGH; \
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case 6: \
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l2 |= ((unsigned long)(*(--(c)))) << 16; \
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OPENSSL_FALLTHROUGH; \
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case 5: \
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l2 |= ((unsigned long)(*(--(c)))) << 24; \
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OPENSSL_FALLTHROUGH; \
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case 4: \
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l1 = ((unsigned long)(*(--(c)))); \
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OPENSSL_FALLTHROUGH; \
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case 3: \
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l1 |= ((unsigned long)(*(--(c)))) << 8; \
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OPENSSL_FALLTHROUGH; \
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case 2: \
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l1 |= ((unsigned long)(*(--(c)))) << 16; \
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OPENSSL_FALLTHROUGH; \
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case 1: \
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l1 |= ((unsigned long)(*(--(c)))) << 24; \
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} \
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}
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// NOTE - c is not incremented as per l2n
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#define l2nn(l1, l2, c, n) \
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{ \
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c += n; \
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switch (n) { \
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case 8: \
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*(--(c)) = (unsigned char)(((l2)) & 0xff); \
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OPENSSL_FALLTHROUGH; \
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case 7: \
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*(--(c)) = (unsigned char)(((l2) >> 8) & 0xff); \
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OPENSSL_FALLTHROUGH; \
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case 6: \
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*(--(c)) = (unsigned char)(((l2) >> 16) & 0xff); \
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OPENSSL_FALLTHROUGH; \
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case 5: \
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*(--(c)) = (unsigned char)(((l2) >> 24) & 0xff); \
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OPENSSL_FALLTHROUGH; \
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case 4: \
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*(--(c)) = (unsigned char)(((l1)) & 0xff); \
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OPENSSL_FALLTHROUGH; \
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case 3: \
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*(--(c)) = (unsigned char)(((l1) >> 8) & 0xff); \
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OPENSSL_FALLTHROUGH; \
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case 2: \
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*(--(c)) = (unsigned char)(((l1) >> 16) & 0xff); \
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OPENSSL_FALLTHROUGH; \
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case 1: \
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*(--(c)) = (unsigned char)(((l1) >> 24) & 0xff); \
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} \
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}
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#define l2n(l, c) \
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(*((c)++) = (unsigned char)(((l) >> 24L) & 0xff), \
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*((c)++) = (unsigned char)(((l) >> 16L) & 0xff), \
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*((c)++) = (unsigned char)(((l) >> 8L) & 0xff), \
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*((c)++) = (unsigned char)(((l)) & 0xff))
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#define n2l(c, l) \
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(l = ((unsigned long)(*((c)++))) << 24L, \
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l |= ((unsigned long)(*((c)++))) << 16L, \
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l |= ((unsigned long)(*((c)++))) << 8L, \
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l |= ((unsigned long)(*((c)++))))
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#endif // OPENSSL_HEADER_DECREPIT_MACROS_H
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