|
@@ -0,0 +1,119 @@
|
|
|
+/* 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>
|
|
|
+
|
|
|
+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);
|
|
|
+
|
|
|
+ ret=OPENSSL_malloc(siz+1);
|
|
|
+ if (ret == NULL)
|
|
|
+ {
|
|
|
+ BUFerr(BUF_F_BUF_STRNDUP,ERR_R_MALLOC_FAILURE);
|
|
|
+ return(NULL);
|
|
|
+ }
|
|
|
+ BUF_strlcpy(ret,str,siz+1);
|
|
|
+ return(ret);
|
|
|
+ }
|
|
|
+
|
|
|
+void *BUF_memdup(const void *data, size_t siz)
|
|
|
+ {
|
|
|
+ void *ret;
|
|
|
+
|
|
|
+ if (data == NULL) 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);
|
|
|
+ }
|