--- a/xml/cxmllibrary/src/utils/src/cxml_mem.c Tue Aug 31 17:02:56 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,296 +0,0 @@
-/*
-* Copyright (c) 2003 - 2004 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the License "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-
-/***************************************************************************
-** File: cxml_mem.c
-** Purpose: Provides the implementation to memory management
-**************************************************************************/
-
-#include "cxml_internal.h"
-
-#ifdef FEATURE_MEMORY_PROFILE
-typedef struct _MemProfile
-{
- struct _MemProfile *next; // ptr to next mem block
- struct _MemProfile *prev; // ptr to previous mem block
- char *file; // filename of memory allocator
- CXML_Int32 line; // line # in filename of memory allocator
- CXML_Int32 size; // size of requested memory
- CXML_Int32 seq; // sequence number for allocation
-} MemProfile;
-#endif
-
-/*
-**-------------------------------------------------------------------------
-** External Public (Exported) Functions
-**-------------------------------------------------------------------------
-*/
-
-void *CXML_Mem_memset(void *s, CXML_Uint32 c, CXML_Uint32 n)
-{
- unsigned char *myPtr = (unsigned char *)s;
- unsigned char fill = (unsigned char)c;
- while (n > 0) {
- *myPtr = fill;
- myPtr++;
- n--;
- }
- return s;
-}
-
-
-void *CXML_Mem_memcpy(void *s1, const void *s2, CXML_Uint32 n)
-{
- unsigned char *myDest = (unsigned char *)s1;
- unsigned char *mySource = (unsigned char *)s2;
-
- if (n==0) return NULL;
-
- while (n > 0) {
- *myDest = *mySource;
- n--;
- myDest++;
- mySource++;
- }
- return s1;
-}
-
-
-void *CXML_Mem_memmove(void *s1, const void *s2, CXML_Uint32 n)
-{
- unsigned char *myDest;
- unsigned char *mySource;
-
- if (n == 0) return NULL;
-
- if (s1 <= s2) {
- /* We can always copy from higher address to */
- /* lower address, even if buffer overlaps */
- myDest = (unsigned char *)s1;
- mySource = (unsigned char *)s2;
- while (n > 0) {
- *myDest = *mySource;
- myDest++;
- mySource++;
- n--;
- }
-
- } else {
- /* We can always copy in reverse order from */
- /* lower address to higher address, even if */
- /* buffer overlaps */
- myDest = (unsigned char *)s1 + n;
- mySource = (unsigned char *)s2 + n;
- while (n > 0) {
- n--;
- myDest--;
- mySource--;
- *myDest = *mySource;
- }
-
- }
-
- return s1;
-}
-
-
-CXML_Int32 CXML_Mem_memcmp(const void *s1, const void *s2, CXML_Uint32 n)
-{
- unsigned char *myDest = (unsigned char *)s1;
- unsigned char *mySource = (unsigned char *)s2;
-
- /* If s1 == s2, then immediately return 0. */
- if ( s1 == s2 )
- return 0 ;
-
- while (n > 0) {
- if (*myDest != *mySource) {
- return (*myDest - *mySource);
- }
- myDest++;
- mySource++;
- n--;
- }
-
- return 0;
-}
-
-/*********************************************************
-** Name: CXML_Mem_Malloc
-** Description: Allocates memory.
-** Parameters: nbytes - number of bytes to allocate
-** Return Value: pointer to the allocated memory or NULL
-**********************************************************/
-void *CXML_Mem_Malloc(CXML_Uint32 nbytes)
-{
- return malloc(nbytes);
-}
-
-/************************************************************************
-** Name: CXML_Mem_Free
-** Description: Frees allocated memory.
-** Parameters: mem - pointer to the memory to free
-** Return Value: void
-**************************************************************************/
-void CXML_Mem_Free(void *buffer)
-{
- if (buffer != NULL) {
- /* Note: os_block_dealloc() will free both heap and block-table memory */
- free(buffer);
- }
- return;
-}
-
-
-#ifdef FEATURE_MEMORY_PROFILE
-CXML_Uint32 Asc_strlen(const char *s)
-{
- CXML_Uint32 i = 0;
- while (*s != '\0')
- {
- s++;
- i++;
- }
- return i;
-}
-
-/*****************************************************************
-** Name: Asc_strcpy
-** Description: Copies ascii string
-** Parameters: s1 destination string
-** s2 source string
-** Return Value: pointer to s1
-******************************************************************/
-char *Asc_strcpy(char *s1, const char *s2)
-{
- while (*s2 != '\0') {
- *s1 = *s2;
- s1++;
- s2++;
- }
- *s1 = *s2;
- return s1;
-}
-
-/*********************************************************
-** Name: CXML_Mem_Malloc
-** Description: Allocates memory.
-** Parameters: nbytes - number of bytes to allocate
-** Return Value: pointer to the allocated memory or NULL
-**********************************************************/
-void *CXML_Mem_Malloc_Pro(CXML_Uint32 nbytes, char *file, CXML_Uint32 line)
-{
- void *buf;
- MemProfile *pblock, *last;
- CXML_Int32 len = nbytes + sizeof(MemProfile);
- CXML_Int32 seqno;
-
- pblock = malloc(len);
-
- // Store profile block data
-
- if ((CXML_Uint32) file > 0xf000)
- {
- pblock->file = (char*)malloc(Asc_strlen(file) + 1);
- Asc_strcpy(pblock->file, file);
- }
- else
- {
- // no filename since this may be called via a function ptr
- pblock->file = NULL;
- }
- pblock->line = line;
- pblock->size = nbytes;
-
- // Set List Pointers
- // Get last ptr
- last = (MemProfile *) NW_Ctx_Get(NW_CTX_MEM_PRO_LAST_PTR, 0);
-
- if (last == NULL)
- {
- pblock->prev = NULL;
- pblock->seq = 0;
- }
- else
- {
- pblock->prev = last;
- last->next = pblock;
- // can't use last-> because free my remove block (along with
- // seq numbers, need a context
- seqno = (CXML_Uint32) NW_Ctx_Get(NW_CTX_MEM_PRO_SEQ_NO, 0);
- seqno += 1;
- pblock->seq = seqno;
- NW_Ctx_Set(NW_CTX_MEM_PRO_SEQ_NO, 0, seqno);
- }
- pblock->next = NULL;
-
- // last = pblock
- last = pblock;
- NW_Ctx_Set(NW_CTX_MEM_PRO_LAST_PTR, 0, last);
-
-
- // return mem block to caller
- buf = (void *) ((CXML_Byte *) pblock + sizeof(MemProfile));
- return (buf);
-}
-
-/************************************************************************
-** Name: CXML_Mem_Free
-** Description: Frees allocated memory.
-** Parameters: mem - pointer to the memory to free
-** Return Value: void
-**************************************************************************/
-void CXML_Mem_Free_Pro(void *buffer, char *file, CXML_Uint32 line)
-{
- MemProfile *pblock, *last, *prevp, *nextp;
-
- if (buffer == NULL)
- {
- return;
- }
-
- pblock = (MemProfile *) ((CXML_Byte *) buffer - sizeof(MemProfile));
-
- // Get last ptr
- last = (MemProfile *) NW_Ctx_Get(NW_CTX_MEM_PRO_LAST_PTR, 0);
-
- if ( pblock == last )
- {
- last = last->prev;
- NW_Ctx_Set(NW_CTX_MEM_PRO_LAST_PTR, 0, last);
- }
- else
- {
- prevp = pblock->prev;
- nextp = pblock->next;
- if (prevp)
- {
- prevp->next = nextp;
- }
- if (nextp)
- {
- nextp->prev = prevp;
- }
- }
-
- // Free Filename pointer and memory block
- free(pblock->file);
- free(pblock);
- return;
-}
-#endif