123 lines
4.8 KiB
C
123 lines
4.8 KiB
C
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/* $OpenBSD: buffer.h,v 1.15 2015/06/24 10:05:14 jsing Exp $ */
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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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*/
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#ifndef HEADER_BUFFER_H
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#define HEADER_BUFFER_H
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#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__OpenBSD__)
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#define __bounded__(x, y, z)
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#endif
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#include <openssl/ossl_typ.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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#include <sys/types.h>
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/* Already declared in ossl_typ.h */
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/* typedef struct buf_mem_st BUF_MEM; */
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struct buf_mem_st {
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size_t length; /* current number of bytes */
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char *data;
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size_t max; /* size of buffer */
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};
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BUF_MEM *BUF_MEM_new(void);
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void BUF_MEM_free(BUF_MEM *a);
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int BUF_MEM_grow(BUF_MEM *str, size_t len);
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int BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
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#ifndef LIBRESSL_INTERNAL
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char * BUF_strdup(const char *str);
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char * BUF_strndup(const char *str, size_t siz);
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void * BUF_memdup(const void *data, size_t siz);
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void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);
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/* safe string functions */
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size_t BUF_strlcpy(char *dst, const char *src, size_t siz)
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__attribute__ ((__bounded__(__string__,1,3)));
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size_t BUF_strlcat(char *dst, const char *src, size_t siz)
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__attribute__ ((__bounded__(__string__,1,3)));
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#endif
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/* BEGIN ERROR CODES */
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/* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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void ERR_load_BUF_strings(void);
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/* Error codes for the BUF functions. */
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/* Function codes. */
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#define BUF_F_BUF_MEMDUP 103
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#define BUF_F_BUF_MEM_GROW 100
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#define BUF_F_BUF_MEM_GROW_CLEAN 105
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#define BUF_F_BUF_MEM_NEW 101
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#define BUF_F_BUF_STRDUP 102
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#define BUF_F_BUF_STRNDUP 104
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/* Reason codes. */
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#ifdef __cplusplus
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}
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#endif
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#endif
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