+++ /dev/null
-/* 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>
-
-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)
- {
- memset(a->data,0,(unsigned int)a->max);
- OPENSSL_free(a->data);
- }
- OPENSSL_free(a);
- }
-
-int BUF_MEM_grow(BUF_MEM *str, int len)
- {
- char *ret;
- unsigned int 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);
- }
- 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, int len)
- {
- char *ret;
- unsigned int 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);
- }
- 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,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);
- }
-
-char *BUF_strdup(const char *str)
- {
- char *ret;
- int n;
-
- if (str == NULL) return(NULL);
-
- n=strlen(str);
- ret=OPENSSL_malloc(n+1);
- if (ret == NULL)
- {
- BUFerr(BUF_F_BUF_STRDUP,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- memcpy(ret,str,n+1);
- return(ret);
- }
-
-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);
- }
projects / bcm963xx.git / blobdiff