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src/libdigidoc/openssl/include/openssl/buffer.h
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00001 /* crypto/buffer/buffer.h */
00002 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
00003  * All rights reserved.
00004  *
00005  * This package is an SSL implementation written
00006  * by Eric Young (eay@cryptsoft.com).
00007  * The implementation was written so as to conform with Netscapes SSL.
00008  * 
00009  * This library is free for commercial and non-commercial use as long as
00010  * the following conditions are aheared to.  The following conditions
00011  * apply to all code found in this distribution, be it the RC4, RSA,
00012  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
00013  * included with this distribution is covered by the same copyright terms
00014  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
00015  * 
00016  * Copyright remains Eric Young's, and as such any Copyright notices in
00017  * the code are not to be removed.
00018  * If this package is used in a product, Eric Young should be given attribution
00019  * as the author of the parts of the library used.
00020  * This can be in the form of a textual message at program startup or
00021  * in documentation (online or textual) provided with the package.
00022  * 
00023  * Redistribution and use in source and binary forms, with or without
00024  * modification, are permitted provided that the following conditions
00025  * are met:
00026  * 1. Redistributions of source code must retain the copyright
00027  *    notice, this list of conditions and the following disclaimer.
00028  * 2. Redistributions in binary form must reproduce the above copyright
00029  *    notice, this list of conditions and the following disclaimer in the
00030  *    documentation and/or other materials provided with the distribution.
00031  * 3. All advertising materials mentioning features or use of this software
00032  *    must display the following acknowledgement:
00033  *    "This product includes cryptographic software written by
00034  *     Eric Young (eay@cryptsoft.com)"
00035  *    The word 'cryptographic' can be left out if the rouines from the library
00036  *    being used are not cryptographic related :-).
00037  * 4. If you include any Windows specific code (or a derivative thereof) from 
00038  *    the apps directory (application code) you must include an acknowledgement:
00039  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
00040  * 
00041  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
00042  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00043  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00044  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
00045  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00046  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00047  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00048  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00049  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00050  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00051  * SUCH DAMAGE.
00052  * 
00053  * The licence and distribution terms for any publically available version or
00054  * derivative of this code cannot be changed.  i.e. this code cannot simply be
00055  * copied and put under another distribution licence
00056  * [including the GNU Public Licence.]
00057  */
00058 
00059 #ifndef HEADER_BUFFER_H
00060 #define HEADER_BUFFER_H
00061 
00062 #include <openssl/ossl_typ.h>
00063 
00064 #ifdef  __cplusplus
00065 extern "C" {
00066 #endif
00067 
00068 #include <stddef.h>
00069 
00070 #if !defined(NO_SYS_TYPES_H)
00071 #include <sys/types.h>
00072 #endif
00073 
00074 /* Already declared in ossl_typ.h */
00075 /* typedef struct buf_mem_st BUF_MEM; */
00076 
00077 struct buf_mem_st
00078         {
00079         int length;     /* current number of bytes */
00080         char *data;
00081         int max;        /* size of buffer */
00082         };
00083 
00084 BUF_MEM *BUF_MEM_new(void);
00085 void    BUF_MEM_free(BUF_MEM *a);
00086 int     BUF_MEM_grow(BUF_MEM *str, int len);
00087 int     BUF_MEM_grow_clean(BUF_MEM *str, int len);
00088 char *  BUF_strdup(const char *str);
00089 char *  BUF_strndup(const char *str, size_t siz);
00090 void *  BUF_memdup(const void *data, size_t siz);
00091 
00092 /* safe string functions */
00093 size_t BUF_strlcpy(char *dst,const char *src,size_t siz);
00094 size_t BUF_strlcat(char *dst,const char *src,size_t siz);
00095 
00096 
00097 /* BEGIN ERROR CODES */
00098 /* The following lines are auto generated by the script mkerr.pl. Any changes
00099  * made after this point may be overwritten when the script is next run.
00100  */
00101 void ERR_load_BUF_strings(void);
00102 
00103 /* Error codes for the BUF functions. */
00104 
00105 /* Function codes. */
00106 #define BUF_F_BUF_MEMDUP                                 103
00107 #define BUF_F_BUF_MEM_GROW                               100
00108 #define BUF_F_BUF_MEM_GROW_CLEAN                         105
00109 #define BUF_F_BUF_MEM_NEW                                101
00110 #define BUF_F_BUF_STRDUP                                 102
00111 #define BUF_F_BUF_STRNDUP                                104
00112 
00113 /* Reason codes. */
00114 
00115 #ifdef  __cplusplus
00116 }
00117 #endif
00118 #endif
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