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externals/libressl/include/openssl/comp.h
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158
externals/libressl/include/openssl/comp.h
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/* $OpenBSD: comp.h,v 1.11 2022/12/24 07:12:09 tb Exp $ */
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/*
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* ---------------------------------------------------------------------------
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* Patches to this file were contributed by
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* Dr. Stephen Henson <steve@openssl.org>.
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* ---------------------------------------------------------------------------
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* Copyright (c) 1999, 2002, 2008 The OpenSSL Project. All rights reserved.
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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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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ---------------------------------------------------------------------------
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* Parts of this file are derived from SSLeay code
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* which is covered by the following Copyright and license:
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* ---------------------------------------------------------------------------
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* Copyright (c) 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
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* attribution 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
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* library being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof)
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* from the apps directory (application code) you must include an
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* acknowledgement: "This product includes software written
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* 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
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* or derivative of this code cannot be changed. i.e. this code cannot
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* simply be copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef HEADER_COMP_H
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#define HEADER_COMP_H
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#include <openssl/crypto.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
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void COMP_CTX_free(COMP_CTX *ctx);
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int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
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unsigned char *in, int ilen);
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int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
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unsigned char *in, int ilen);
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COMP_METHOD *COMP_rle(void );
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COMP_METHOD *COMP_zlib(void );
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void COMP_zlib_cleanup(void);
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#ifdef HEADER_BIO_H
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#ifdef ZLIB
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BIO_METHOD *BIO_f_zlib(void);
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#endif
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#endif
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void ERR_load_COMP_strings(void);
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/* Error codes for the COMP functions. */
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/* Function codes. */
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#define COMP_F_BIO_ZLIB_FLUSH 99
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#define COMP_F_BIO_ZLIB_NEW 100
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#define COMP_F_BIO_ZLIB_READ 101
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#define COMP_F_BIO_ZLIB_WRITE 102
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/* Reason codes. */
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#define COMP_R_ZLIB_DEFLATE_ERROR 99
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#define COMP_R_ZLIB_INFLATE_ERROR 100
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#define COMP_R_ZLIB_NOT_SUPPORTED 101
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#ifdef __cplusplus
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}
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#endif
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#endif
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