--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xml/cxmllibrary/src/utils/src/nwx_mem_epoc32.c Tue Aug 31 17:02:56 2010 +0300
@@ -0,0 +1,414 @@
+/*
+* Copyright (c) 1999 - 2000 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: nwx_mem.c
+** Purpose: Provides the implementation to memory management
+**************************************************************************/
+
+/*
+**-------------------------------------------------------------------------
+** Include Files
+**-------------------------------------------------------------------------
+*/
+#include "nwx_mem.h"
+#ifdef FEATURE_MEMORY_PROFILE
+#include "nwx_ctx.h"
+#include "nwx_logger.h"
+#endif // FEATURE_MEMORY_PROFILE
+
+/*
+**-------------------------------------------------------------------------
+** Constants
+**-------------------------------------------------------------------------
+*/
+
+/*
+**-------------------------------------------------------------------------
+** Internal Types
+**-------------------------------------------------------------------------
+*/
+#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
+ NW_Int32 line; // line # in filename of memory allocator
+ NW_Int32 size; // size of requested memory
+ NW_Int32 seq; // sequence number for allocation
+} MemProfile;
+#endif // FEATURE_MEMORY_PROFILE
+
+/*
+**-------------------------------------------------------------------------
+** Macros
+**-------------------------------------------------------------------------
+*/
+
+/*
+**-------------------------------------------------------------------------
+** Internal Prototypes
+**-------------------------------------------------------------------------
+*/
+
+/*
+**-------------------------------------------------------------------------
+** File Scoped Static Variables
+**-------------------------------------------------------------------------
+*/
+
+/*
+**-------------------------------------------------------------------------
+** Global Variable Definitions
+**-------------------------------------------------------------------------
+*/
+
+
+/*
+**-------------------------------------------------------------------------
+** Internal Functions
+**-------------------------------------------------------------------------
+*/
+
+
+/*
+**-------------------------------------------------------------------------
+** External Public (Exported) Functions
+**-------------------------------------------------------------------------
+*/
+
+void *NW_Mem_memset(void *s, NW_Uint32 c, NW_Uint32 n)
+{
+ unsigned char *myPtr = (unsigned char *)s;
+ unsigned char fill = (unsigned char)c;
+ while (n > 0) {
+ *myPtr = fill;
+ myPtr++;
+ n--;
+ }
+ return s;
+}
+
+EXPORT_C void *NW_Mem_memcpy(void *s1, const void *s2, NW_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 *NW_Mem_memmove(void *s1, const void *s2, NW_Uint32 n)
+{
+ unsigned char *tempBuff;
+ if (n == 0) return NULL;
+ tempBuff = NW_Mem_Malloc(n);
+ if (tempBuff == NULL) {
+ return NULL;
+ }
+ NW_Mem_memcpy(tempBuff, s2, n);
+ NW_Mem_memcpy(s1, tempBuff, n);
+ NW_Mem_Free(tempBuff);
+ return s1;
+}
+
+NW_Int32 NW_Mem_memcmp(const void *s1, const void *s2, NW_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: NW_Mem_Malloc
+** Description: Allocates memory.
+** Parameters: nbytes - number of bytes to allocate
+** Return Value: pointer to the allocated memory or NULL
+**********************************************************/
+
+EXPORT_C void *NW_Mem_Malloc_No_Pro(NW_Uint32 nbytes)
+{
+ void *buf;
+ buf = malloc(nbytes);
+ return buf;
+}
+
+/************************************************************************
+** Name: NW_Mem_Free
+** Description: Frees allocated memory.
+** Parameters: mem - pointer to the memory to free
+** Return Value: void
+**************************************************************************/
+EXPORT_C void NW_Mem_Free_No_Pro(void *mem)
+{
+ /* Note: free() handles NULL pointers corretly */
+ free(mem);
+ return;
+}
+
+
+// --------------------------------------------------------
+// PROFILED MEMORY MANAGEMENT ROUTINES
+// --------------------------------------------------------
+
+#ifdef FEATURE_MEMORY_PROFILE
+
+/*****************************************************************
+** Name: Asc_strlen
+** Description: Returns string length of ascii string
+** Parameters: *string - Null-terminated ascii string
+** Return Value: string length
+******************************************************************/
+NW_Uint32 Asc_strlen(const char *s)
+{
+ NW_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: Str_CvtFromAscii
+** Description: Convert null-terminated ascii string to new ucs2 string
+** Parameters: *string - Null-terminated ascii string
+** Return Value: pointer to new ucs2 string or NULL
+******************************************************************/
+NW_Ucs2 *Str_CvtFromAscii(const char *string)
+{
+ NW_Uint32 i, size;
+ NW_Ucs2* res = NULL;
+
+ NW_ASSERT(string);
+
+ size = Asc_strlen(string) + 1;
+ res = malloc(size * sizeof(NW_Ucs2));
+ /* this is a really naive conversion from ascii */
+ if (res != NULL) {
+ for (i=0; i < size; i++) {
+ res[i] = string[i];
+ }
+ }
+ return res;
+}
+
+
+/*********************************************************
+** Name: NW_Mem_Malloc_Pro
+** Description: Allocates "profiled" memory.
+** Parameters: nbytes - number of bytes to allocate
+** file - string of filename where this was called
+** line - line # of file where this was called
+** Return Value: pointer to the allocated memory or NULL
+**********************************************************/
+void *NW_Mem_Malloc_Pro(NW_Uint32 nbytes, char *file, NW_Uint32 line)
+{
+ void *buf;
+ MemProfile *pblock, *last;
+ NW_Int32 len = nbytes + sizeof(MemProfile);
+ NW_Int32 seqno;
+ NW_Status_t status;
+
+ pblock = malloc(len);
+
+ // Store profile block data
+
+ if ((NW_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 = (NW_Uint32) NW_Ctx_Get(NW_CTX_MEM_PRO_SEQ_NO, 0);
+ seqno += 1;
+ pblock->seq = seqno;
+ status = NW_Ctx_Set(NW_CTX_MEM_PRO_SEQ_NO, 0, seqno);
+ NW_ASSERT(status == NW_STAT_SUCCESS);
+ }
+ pblock->next = NULL;
+
+ // last = pblock
+ last = pblock;
+ status = NW_Ctx_Set(NW_CTX_MEM_PRO_LAST_PTR, 0, last);
+ NW_ASSERT(status == NW_STAT_SUCCESS);
+
+
+ // return mem block to caller
+ buf = (void *) ((NW_Byte *) pblock + sizeof(MemProfile));
+ return (buf);
+}
+
+/************************************************************************
+** Name: NW_Mem_Free_Pro
+** Description: Frees allocated "profiled" memory.
+** Parameters: mem - pointer to the memory to free
+** file - string of filename where this was called
+** line - line # of file where this was called
+** Return Value: void
+**************************************************************************/
+void NW_Mem_Free_Pro(void *buffer, char *file, NW_Uint32 line)
+{
+ MemProfile *pblock, *last, *prevp, *nextp;
+ NW_Status_t status;
+
+ if (buffer == NULL)
+ {
+ return;
+ }
+
+ pblock = (MemProfile *) ((NW_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;
+ status = NW_Ctx_Set(NW_CTX_MEM_PRO_LAST_PTR, 0, last);
+ NW_ASSERT(status == NW_STAT_SUCCESS);
+ }
+ 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;
+}
+
+
+/************************************************************************
+** Name: SendStringToLogger1
+** Description: Output Memory Profile Data to Debug Log
+** Parameters: none
+** Return Value: void
+**************************************************************************/
+void SendStringToLogger1(char *strMsg)
+{
+ MemProfile *pblock, *last;
+ NW_Ucs2 *uStrFileName = NULL;
+
+ if (strMsg != NULL)
+ {
+ NW_Ucs2 *uStrMsg = Str_CvtFromAscii(strMsg);
+ NW_LOG1(NW_LOG_LEVEL1, "NW_Mem_Pro_Log: %s", uStrMsg);
+ free(uStrMsg);
+ return;
+ }
+
+ // Get last ptr
+ last = (MemProfile *) NW_Ctx_Get(NW_CTX_MEM_PRO_LAST_PTR, 0);
+
+ pblock = last;
+ while ( pblock )
+ {
+ if (pblock->file == NULL)
+ {
+ uStrFileName = Str_CvtFromAscii("??");
+ }
+ else
+ {
+ uStrFileName = Str_CvtFromAscii(pblock->file);
+ }
+ NW_LOG6(NW_LOG_LEVEL1, "NW_Mem_Pro_Log: memBlock:%X, data:%X, File: %s ; Line: %d ; Size: %d ; SEQ: %d",
+ pblock,
+ pblock + sizeof(MemProfile),
+ uStrFileName,
+ pblock->line,
+ pblock->size,
+ pblock->seq);
+ NW_LOG0(NW_LOG_LEVEL1, "NW_Mem_Pro_Log: ------------------------------");
+ pblock = pblock->prev;
+ free(uStrFileName);
+ }
+}
+#endif // FEATURE_MEMORY_PROFILE