1 /* 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef HEADER_BUFFER_H 11 # define HEADER_BUFFER_H 12 13 # include <openssl/ossl_typ.h> 14 # ifndef HEADER_CRYPTO_H 15 # include <openssl/crypto.h> 16 # endif 17 # include <openssl/buffererr.h> 18 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 # include <stddef.h> 25 # include <sys/types.h> 26 27 /* 28 * These names are outdated as of OpenSSL 1.1; a future release 29 * will move them to be deprecated. 30 */ 31 # define BUF_strdup(s) OPENSSL_strdup(s) 32 # define BUF_strndup(s, size) OPENSSL_strndup(s, size) 33 # define BUF_memdup(data, size) OPENSSL_memdup(data, size) 34 # define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size) 35 # define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size) 36 # define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen) 37 38 struct buf_mem_st { 39 size_t length; /* current number of bytes */ 40 char *data; 41 size_t max; /* size of buffer */ 42 unsigned long flags; 43 }; 44 45 # define BUF_MEM_FLAG_SECURE 0x01 46 47 BUF_MEM *BUF_MEM_new(void); 48 BUF_MEM *BUF_MEM_new_ex(unsigned long flags); 49 void BUF_MEM_free(BUF_MEM *a); 50 size_t BUF_MEM_grow(BUF_MEM *str, size_t len); 51 size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len); 52 void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz); 53 54 55 # ifdef __cplusplus 56 } 57 # endif 58 #endif 59