/* crypto/buffer/buffer.h */ /* 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 HEADER_BUFFER_H # define HEADER_BUFFER_H # include <openssl/ossl_typ.h> #ifdef __cplusplus extern "C" { #endif # include <stddef.h> # if !defined(NO_SYS_TYPES_H) # include <sys/types.h> # endif /* Already declared in ossl_typ.h */ /* typedef struct buf_mem_st BUF_MEM; */ struct buf_mem_st { size_t length; /* current number of bytes */ char *data; size_t max; /* size of buffer */ }; BUF_MEM *BUF_MEM_new(void); void BUF_MEM_free(BUF_MEM *a); int BUF_MEM_grow(BUF_MEM *str, size_t len); int BUF_MEM_grow_clean(BUF_MEM *str, size_t len); size_t BUF_strnlen(const char *str, size_t maxlen); char *BUF_strdup(const char *str); /* * Like strndup, but in addition, explicitly guarantees to never read past the * first |siz| bytes of |str|. */ char *BUF_strndup(const char *str, size_t siz); void *BUF_memdup(const void *data, size_t siz); void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz); /* safe string functions */ size_t BUF_strlcpy(char *dst, const char *src, size_t siz); size_t BUF_strlcat(char *dst, const char *src, size_t siz); /* BEGIN ERROR CODES */ /* * The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. */ void ERR_load_BUF_strings(void); /* Error codes for the BUF functions. */ /* Function codes. */ # define BUF_F_BUF_MEMDUP 103 # define BUF_F_BUF_MEM_GROW 100 # define BUF_F_BUF_MEM_GROW_CLEAN 105 # define BUF_F_BUF_MEM_NEW 101 # define BUF_F_BUF_STRDUP 102 # define BUF_F_BUF_STRNDUP 104 /* Reason codes. */ #ifdef __cplusplus } #endif #endif