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d02b48c6 | 1 | /* crypto/buffer/buffer.h */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 8 | * |
d02b48c6 RE |
9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 15 | * |
d02b48c6 RE |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 22 | * |
d02b48c6 RE |
23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
0f113f3e | 52 | * |
d02b48c6 RE |
53 | * The licence and distribution terms for any publically available version or |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
59 | #ifndef HEADER_BUFFER_H | |
0f113f3e | 60 | # define HEADER_BUFFER_H |
d02b48c6 | 61 | |
0f113f3e | 62 | # include <openssl/ossl_typ.h> |
d6dda126 | 63 | |
d02b48c6 RE |
64 | #ifdef __cplusplus |
65 | extern "C" { | |
66 | #endif | |
67 | ||
0f113f3e | 68 | # include <stddef.h> |
4d8743f4 | 69 | |
0f113f3e MC |
70 | # if !defined(NO_SYS_TYPES_H) |
71 | # include <sys/types.h> | |
72 | # endif | |
54a656ef | 73 | |
d6dda126 GT |
74 | /* Already declared in ossl_typ.h */ |
75 | /* typedef struct buf_mem_st BUF_MEM; */ | |
76 | ||
0f113f3e MC |
77 | struct buf_mem_st { |
78 | size_t length; /* current number of bytes */ | |
79 | char *data; | |
80 | size_t max; /* size of buffer */ | |
74924dcb | 81 | unsigned long flags; |
0f113f3e | 82 | }; |
d02b48c6 | 83 | |
74924dcb RS |
84 | # define BUF_MEM_FLAG_SECURE 0x01 |
85 | ||
d02b48c6 | 86 | BUF_MEM *BUF_MEM_new(void); |
74924dcb | 87 | BUF_MEM *BUF_MEM_new_ex(unsigned long flags); |
0f113f3e | 88 | void BUF_MEM_free(BUF_MEM *a); |
e5bf3c92 DSH |
89 | size_t BUF_MEM_grow(BUF_MEM *str, size_t len); |
90 | size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len); | |
0f113f3e MC |
91 | size_t BUF_strnlen(const char *str, size_t maxlen); |
92 | char *BUF_strdup(const char *str); | |
110f7b37 AG |
93 | |
94 | /* | |
de8883e1 EK |
95 | * Like strndup, but in addition, explicitly guarantees to never read past the |
96 | * first |siz| bytes of |str|. | |
110f7b37 | 97 | */ |
0f113f3e | 98 | char *BUF_strndup(const char *str, size_t siz); |
110f7b37 | 99 | |
0f113f3e MC |
100 | void *BUF_memdup(const void *data, size_t siz); |
101 | void BUF_reverse(unsigned char *out, unsigned char *in, size_t siz); | |
d02b48c6 | 102 | |
54a656ef | 103 | /* safe string functions */ |
0f113f3e MC |
104 | size_t BUF_strlcpy(char *dst, const char *src, size_t siz); |
105 | size_t BUF_strlcat(char *dst, const char *src, size_t siz); | |
54a656ef | 106 | |
d02b48c6 | 107 | /* BEGIN ERROR CODES */ |
0f113f3e MC |
108 | /* |
109 | * The following lines are auto generated by the script mkerr.pl. Any changes | |
6d311938 DSH |
110 | * made after this point may be overwritten when the script is next run. |
111 | */ | |
b476df64 | 112 | void ERR_load_BUF_strings(void); |
6d311938 | 113 | |
d02b48c6 RE |
114 | /* Error codes for the BUF functions. */ |
115 | ||
116 | /* Function codes. */ | |
0f113f3e MC |
117 | # define BUF_F_BUF_MEMDUP 103 |
118 | # define BUF_F_BUF_MEM_GROW 100 | |
119 | # define BUF_F_BUF_MEM_GROW_CLEAN 105 | |
120 | # define BUF_F_BUF_MEM_NEW 101 | |
121 | # define BUF_F_BUF_STRDUP 102 | |
122 | # define BUF_F_BUF_STRNDUP 104 | |
d02b48c6 RE |
123 | |
124 | /* Reason codes. */ | |
6d311938 | 125 | |
d02b48c6 RE |
126 | #ifdef __cplusplus |
127 | } | |
128 | #endif | |
129 | #endif |