You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
5.3 KiB
123 lines
5.3 KiB
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.] */
|
|
|
|
#ifndef OPENSSL_HEADER_BUFFER_H
|
|
#define OPENSSL_HEADER_BUFFER_H
|
|
|
|
#include <openssl/base.h>
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/* Memory and string functions, see also mem.h. */
|
|
|
|
|
|
/* BUF_MEM is a generic buffer object used by OpenSSL. */
|
|
struct buf_mem_st {
|
|
size_t length; /* current number of bytes */
|
|
char *data;
|
|
size_t max; /* size of buffer */
|
|
};
|
|
|
|
/* BUF_MEM_new creates a new BUF_MEM which has no allocated data buffer. */
|
|
OPENSSL_EXPORT BUF_MEM *BUF_MEM_new(void);
|
|
|
|
/* BUF_MEM_free frees |buf->data| if needed and then frees |buf| itself. */
|
|
OPENSSL_EXPORT void BUF_MEM_free(BUF_MEM *buf);
|
|
|
|
/* BUF_MEM_grow ensures that |buf| has length |len| and allocates memory if
|
|
* needed. If the length of |buf| increased, the new bytes are filled with
|
|
* zeros. It returns the length of |buf|, or zero if there's an error. */
|
|
OPENSSL_EXPORT size_t BUF_MEM_grow(BUF_MEM *buf, size_t len);
|
|
|
|
/* BUF_MEM_grow_clean acts the same as |BUF_MEM_grow|, but clears the previous
|
|
* contents of memory if reallocing. */
|
|
OPENSSL_EXPORT size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
|
|
|
|
/* BUF_strdup returns an allocated, duplicate of |str|. */
|
|
OPENSSL_EXPORT char *BUF_strdup(const char *str);
|
|
|
|
/* BUF_strnlen returns the number of characters in |str|, excluding the NUL
|
|
* byte, but at most |max_len|. This function never reads more than |max_len|
|
|
* bytes from |str|. */
|
|
OPENSSL_EXPORT size_t BUF_strnlen(const char *str, size_t max_len);
|
|
|
|
/* BUF_strndup returns an allocated, duplicate of |str|, which is, at most,
|
|
* |size| bytes. The result is always NUL terminated. */
|
|
OPENSSL_EXPORT char *BUF_strndup(const char *str, size_t size);
|
|
|
|
/* BUF_memdup returns an allocated, duplicate of |size| bytes from |data|. */
|
|
OPENSSL_EXPORT void *BUF_memdup(const void *data, size_t size);
|
|
|
|
/* BUF_strlcpy acts like strlcpy(3). */
|
|
OPENSSL_EXPORT size_t BUF_strlcpy(char *dst, const char *src, size_t dst_size);
|
|
|
|
/* BUF_strlcat acts like strlcat(3). */
|
|
OPENSSL_EXPORT size_t BUF_strlcat(char *dst, const char *src, size_t size);
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
} /* extern C */
|
|
#endif
|
|
|
|
#define BUF_F_BUF_MEM_new 100
|
|
#define BUF_F_BUF_memdup 101
|
|
#define BUF_F_BUF_strndup 102
|
|
#define BUF_F_buf_mem_grow 103
|
|
|
|
#endif /* OPENSSL_HEADER_BUFFER_H */
|
|
|