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authorSichen Zhao <1473996754@qq.com>2017-08-01 20:31:19 +0800
committerChris Johns <chrisj@rtems.org>2017-08-20 08:35:17 +1000
commit6bed52091635fdab4d41dae358725801405c532b (patch)
tree70d714337387197d551f8e27db791de9132a2cf0 /freebsd/crypto/openssl/crypto/buffer
parentwaf: Move glob operator ** to builder.py (diff)
downloadrtems-libbsd-6bed52091635fdab4d41dae358725801405c532b.tar.bz2
Import openssl from FreeBSD.
Diffstat (limited to 'freebsd/crypto/openssl/crypto/buffer')
-rw-r--r--freebsd/crypto/openssl/crypto/buffer/buf_err.c99
-rw-r--r--freebsd/crypto/openssl/crypto/buffer/buf_str.c139
-rw-r--r--freebsd/crypto/openssl/crypto/buffer/buffer.c189
-rw-r--r--freebsd/crypto/openssl/crypto/buffer/buffer.h125
4 files changed, 552 insertions, 0 deletions
diff --git a/freebsd/crypto/openssl/crypto/buffer/buf_err.c b/freebsd/crypto/openssl/crypto/buffer/buf_err.c
new file mode 100644
index 00000000..e2471849
--- /dev/null
+++ b/freebsd/crypto/openssl/crypto/buffer/buf_err.c
@@ -0,0 +1,99 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/* crypto/buffer/buf_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include <openssl/buffer.h>
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+
+# define ERR_FUNC(func) ERR_PACK(ERR_LIB_BUF,func,0)
+# define ERR_REASON(reason) ERR_PACK(ERR_LIB_BUF,0,reason)
+
+static ERR_STRING_DATA BUF_str_functs[] = {
+ {ERR_FUNC(BUF_F_BUF_MEMDUP), "BUF_memdup"},
+ {ERR_FUNC(BUF_F_BUF_MEM_GROW), "BUF_MEM_grow"},
+ {ERR_FUNC(BUF_F_BUF_MEM_GROW_CLEAN), "BUF_MEM_grow_clean"},
+ {ERR_FUNC(BUF_F_BUF_MEM_NEW), "BUF_MEM_new"},
+ {ERR_FUNC(BUF_F_BUF_STRDUP), "BUF_strdup"},
+ {ERR_FUNC(BUF_F_BUF_STRNDUP), "BUF_strndup"},
+ {0, NULL}
+};
+
+static ERR_STRING_DATA BUF_str_reasons[] = {
+ {0, NULL}
+};
+
+#endif
+
+void ERR_load_BUF_strings(void)
+{
+#ifndef OPENSSL_NO_ERR
+
+ if (ERR_func_error_string(BUF_str_functs[0].error) == NULL) {
+ ERR_load_strings(0, BUF_str_functs);
+ ERR_load_strings(0, BUF_str_reasons);
+ }
+#endif
+}
diff --git a/freebsd/crypto/openssl/crypto/buffer/buf_str.c b/freebsd/crypto/openssl/crypto/buffer/buf_str.c
new file mode 100644
index 00000000..80492f58
--- /dev/null
+++ b/freebsd/crypto/openssl/crypto/buffer/buf_str.c
@@ -0,0 +1,139 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/* crypto/buffer/buffer.c */
+/* 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.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <limits.h>
+#include <openssl/buffer.h>
+
+size_t BUF_strnlen(const char *str, size_t maxlen)
+{
+ const char *p;
+
+ for (p = str; maxlen-- != 0 && *p != '\0'; ++p) ;
+
+ return p - str;
+}
+
+char *BUF_strdup(const char *str)
+{
+ if (str == NULL)
+ return NULL;
+ return BUF_strndup(str, strlen(str));
+}
+
+char *BUF_strndup(const char *str, size_t siz)
+{
+ char *ret;
+
+ if (str == NULL)
+ return NULL;
+
+ siz = BUF_strnlen(str, siz);
+
+ if (siz >= INT_MAX)
+ return NULL;
+
+ ret = OPENSSL_malloc(siz + 1);
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_STRNDUP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ memcpy(ret, str, siz);
+ ret[siz] = '\0';
+
+ return (ret);
+}
+
+void *BUF_memdup(const void *data, size_t siz)
+{
+ void *ret;
+
+ if (data == NULL || siz >= INT_MAX)
+ return NULL;
+
+ ret = OPENSSL_malloc(siz);
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_MEMDUP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ return memcpy(ret, data, siz);
+}
+
+size_t BUF_strlcpy(char *dst, const char *src, size_t size)
+{
+ size_t l = 0;
+ for (; size > 1 && *src; size--) {
+ *dst++ = *src++;
+ l++;
+ }
+ if (size)
+ *dst = '\0';
+ return l + strlen(src);
+}
+
+size_t BUF_strlcat(char *dst, const char *src, size_t size)
+{
+ size_t l = 0;
+ for (; size > 0 && *dst; size--, dst++)
+ l++;
+ return l + BUF_strlcpy(dst, src, size);
+}
diff --git a/freebsd/crypto/openssl/crypto/buffer/buffer.c b/freebsd/crypto/openssl/crypto/buffer/buffer.c
new file mode 100644
index 00000000..c3beca8e
--- /dev/null
+++ b/freebsd/crypto/openssl/crypto/buffer/buffer.c
@@ -0,0 +1,189 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/* crypto/buffer/buffer.c */
+/* 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.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/buffer.h>
+
+/*
+ * LIMIT_BEFORE_EXPANSION is the maximum n such that (n+3)/3*4 < 2**31. That
+ * function is applied in several functions in this file and this limit
+ * ensures that the result fits in an int.
+ */
+#define LIMIT_BEFORE_EXPANSION 0x5ffffffc
+
+BUF_MEM *BUF_MEM_new(void)
+{
+ BUF_MEM *ret;
+
+ ret = OPENSSL_malloc(sizeof(BUF_MEM));
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_MEM_NEW, ERR_R_MALLOC_FAILURE);
+ return (NULL);
+ }
+ ret->length = 0;
+ ret->max = 0;
+ ret->data = NULL;
+ return (ret);
+}
+
+void BUF_MEM_free(BUF_MEM *a)
+{
+ if (a == NULL)
+ return;
+
+ if (a->data != NULL) {
+ OPENSSL_cleanse(a->data, a->max);
+ OPENSSL_free(a->data);
+ }
+ OPENSSL_free(a);
+}
+
+int BUF_MEM_grow(BUF_MEM *str, size_t len)
+{
+ char *ret;
+ size_t n;
+
+ if (str->length >= len) {
+ str->length = len;
+ return (len);
+ }
+ if (str->max >= len) {
+ memset(&str->data[str->length], 0, len - str->length);
+ str->length = len;
+ return (len);
+ }
+ /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */
+ if (len > LIMIT_BEFORE_EXPANSION) {
+ BUFerr(BUF_F_BUF_MEM_GROW, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ n = (len + 3) / 3 * 4;
+ if (str->data == NULL)
+ ret = OPENSSL_malloc(n);
+ else
+ ret = OPENSSL_realloc(str->data, n);
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_MEM_GROW, ERR_R_MALLOC_FAILURE);
+ len = 0;
+ } else {
+ str->data = ret;
+ str->max = n;
+ memset(&str->data[str->length], 0, len - str->length);
+ str->length = len;
+ }
+ return (len);
+}
+
+int BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
+{
+ char *ret;
+ size_t n;
+
+ if (str->length >= len) {
+ memset(&str->data[len], 0, str->length - len);
+ str->length = len;
+ return (len);
+ }
+ if (str->max >= len) {
+ memset(&str->data[str->length], 0, len - str->length);
+ str->length = len;
+ return (len);
+ }
+ /* This limit is sufficient to ensure (len+3)/3*4 < 2**31 */
+ if (len > LIMIT_BEFORE_EXPANSION) {
+ BUFerr(BUF_F_BUF_MEM_GROW_CLEAN, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ n = (len + 3) / 3 * 4;
+ if (str->data == NULL)
+ ret = OPENSSL_malloc(n);
+ else
+ ret = OPENSSL_realloc_clean(str->data, str->max, n);
+ if (ret == NULL) {
+ BUFerr(BUF_F_BUF_MEM_GROW_CLEAN, ERR_R_MALLOC_FAILURE);
+ len = 0;
+ } else {
+ str->data = ret;
+ str->max = n;
+ memset(&str->data[str->length], 0, len - str->length);
+ str->length = len;
+ }
+ return (len);
+}
+
+void BUF_reverse(unsigned char *out, const unsigned char *in, size_t size)
+{
+ size_t i;
+ if (in) {
+ out += size - 1;
+ for (i = 0; i < size; i++)
+ *out-- = *in++;
+ } else {
+ unsigned char *q;
+ char c;
+ q = out + size - 1;
+ for (i = 0; i < size / 2; i++) {
+ c = *q;
+ *q-- = *out;
+ *out++ = c;
+ }
+ }
+}
diff --git a/freebsd/crypto/openssl/crypto/buffer/buffer.h b/freebsd/crypto/openssl/crypto/buffer/buffer.h
new file mode 100644
index 00000000..efd240a5
--- /dev/null
+++ b/freebsd/crypto/openssl/crypto/buffer/buffer.h
@@ -0,0 +1,125 @@
+/* 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