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1 /*
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2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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3 *
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4 * Licensed under the OpenSSL license (the "License"). You may not use
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5 * this file except in compliance with the License. You can obtain a copy
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6 * in the file LICENSE in the source distribution or at
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7 * https://www.openssl.org/source/license.html
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8 */
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9
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10 #ifndef HEADER_BUFFER_H
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11 # define HEADER_BUFFER_H
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12
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13 # include <openssl/ossl_typ.h>
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14 # ifndef HEADER_CRYPTO_H
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15 # include <openssl/crypto.h>
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16 # endif
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17 # include <openssl/buffererr.h>
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18
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19
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20 #ifdef __cplusplus
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21 extern "C" {
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22 #endif
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23
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24 # include <stddef.h>
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25 # include <sys/types.h>
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26
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27 /*
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28 * These names are outdated as of OpenSSL 1.1; a future release
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29 * will move them to be deprecated.
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30 */
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31 # define BUF_strdup(s) OPENSSL_strdup(s)
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32 # define BUF_strndup(s, size) OPENSSL_strndup(s, size)
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33 # define BUF_memdup(data, size) OPENSSL_memdup(data, size)
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34 # define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size)
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35 # define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
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36 # define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)
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37
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38 struct buf_mem_st {
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39 size_t length; /* current number of bytes */
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40 char *data;
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41 size_t max; /* size of buffer */
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42 unsigned long flags;
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43 };
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44
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45 # define BUF_MEM_FLAG_SECURE 0x01
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46
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47 BUF_MEM *BUF_MEM_new(void);
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48 BUF_MEM *BUF_MEM_new_ex(unsigned long flags);
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49 void BUF_MEM_free(BUF_MEM *a);
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50 size_t BUF_MEM_grow(BUF_MEM *str, size_t len);
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51 size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
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52 void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);
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53
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54
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55 # ifdef __cplusplus
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56 }
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57 # endif
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58 #endif
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