-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-/*
- File: sslMemory.c
-
- Contains: memory allocator implementation
-
- Written by: Doug Mitchell
-
- Copyright: (c) 1999 by Apple Computer, Inc., all rights reserved.
-
-*/
-
-#include "sslMemory.h"
-#include "sslContext.h"
-#include "sslDebug.h"
-
-#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/MacErrors.h>
-
-#pragma mark *** Basic low-level malloc/free ***
-
-/*
- * For now, all allocs/frees go thru here.
- */
-#include <string.h> /* memset */
-#include <stdlib.h>
-
-void *
-sslMalloc(UInt32 length)
-{
- return malloc(length);
-}
-
-void
-sslFree(void *p)
-{
- if(p != nil) {
- free(p);
- }
-}
-
-void *
-sslRealloc(void *oldPtr, UInt32 oldLen, UInt32 newLen)
-{
- return realloc(oldPtr, newLen);
-}
-
-#pragma mark *** SSLBuffer-level alloc/free ***
-
-OSStatus SSLAllocBuffer(
- SSLBuffer &buf,
- UInt32 length,
- const SSLContext *ctx) // currently unused
-{
- buf.data = (UInt8 *)sslMalloc(length);
- if(buf.data == NULL) {
- buf.length = 0;
- return memFullErr;
- }
- buf.length = length;
- return noErr;
-}
-
-OSStatus
-SSLFreeBuffer(SSLBuffer &buf, const SSLContext *ctx)
-{
- if(&buf == NULL) {
- sslErrorLog("SSLFreeBuffer: NULL buf!\n");
- return errSSLInternal;
- }
- sslFree(buf.data);
- buf.data = NULL;
- buf.length = 0;
- return noErr;
-}
-
-OSStatus
-SSLReallocBuffer(SSLBuffer &buf, UInt32 newSize, const SSLContext *ctx)
-{
- buf.data = (UInt8 *)sslRealloc(buf.data, buf.length, newSize);
- if(buf.data == NULL) {
- buf.length = 0;
- return memFullErr;
- }
- buf.length = newSize;
- return noErr;
-}
-
-#pragma mark *** Convenience routines ***
-
-UInt8 *sslAllocCopy(
- const UInt8 *src,
- UInt32 len)
-{
- UInt8 *dst;
-
- dst = (UInt8 *)sslMalloc(len);
- if(dst == NULL) {
- return NULL;
- }
- memmove(dst, src, len);
- return dst;
-}
-
-OSStatus SSLAllocCopyBuffer(
- const SSLBuffer &src,
- SSLBuffer **dst) // buffer and data mallocd and returned
-{
- OSStatus serr;
-
- SSLBuffer *rtn = (SSLBuffer *)sslMalloc(sizeof(SSLBuffer));
- if(rtn == NULL) {
- return memFullErr;
- }
- serr = SSLCopyBuffer(src, *rtn);
- if(serr) {
- sslFree(rtn);
- }
- else {
- *dst = rtn;
- }
- return serr;
-}
-
-OSStatus SSLCopyBufferFromData(
- const void *src,
- UInt32 len,
- SSLBuffer &dst) // data mallocd and returned
-{
- dst.data = sslAllocCopy((const UInt8 *)src, len);
- if(dst.data == NULL) {
- return memFullErr;
- }
- dst.length = len;
- return noErr;
-}
-
-OSStatus SSLCopyBuffer(
- const SSLBuffer &src,
- SSLBuffer &dst) // data mallocd and returned
-{
- return SSLCopyBufferFromData(src.data, src.length, dst);
-}
-