DumpContext.h File Reference

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Classes
struct	TDumpContext

Macros
#define	CASC_DUMP_BUFFER_SIZE   0x10000

Functions
TDumpContext *	CreateDumpContext (struct _TCascStorage *hs, const TCHAR *szNameFormat)
int	dump_print (TDumpContext *dc, const char *szFormat,...)
int	dump_close (TDumpContext *dc)

Macro Definition Documentation

#define CASC_DUMP_BUFFER_SIZE   0x10000

Function Documentation

TDumpContext* CreateDumpContext	(	struct _TCascStorage *	hs,
		const TCHAR *	szNameFormat
	)

{
 TDumpContext * dc;
 TCHAR * szFileName;

 // Validate the storage handle
 if(hs != NULL)
 {
 // Calculate the number of bytes needed for dump context
 dc = CASC_ALLOC(TDumpContext, 1);
 if(dc != NULL)
 {
 // Initialize the dump context
 memset(dc, 0, sizeof(TDumpContext));

 // Format the real file name
 szFileName = FormatFileName(hs, szNameFormat);
 if(szFileName != NULL)
 {
 // Create the file
 dc->pStream = FileStream_CreateFile(szFileName, 0);
 if(dc->pStream != NULL)
 {
 // Initialize buffers
 dc->pbBufferBegin =
 dc->pbBufferPtr = dc->DumpBuffer;
 dc->pbBufferEnd = dc->DumpBuffer + CASC_DUMP_BUFFER_SIZE;

 // Success
 CASC_FREE(szFileName);
 return dc;
 }

 // File create failed --> delete the file name
 CASC_FREE(szFileName);
 }

 // Free the dump context
 CASC_FREE(dc);
 }
 }

 return NULL;
}

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int dump_close

(

TDumpContext *

dc

)

{
 // Only if the dump context is valid
 if(dc != NULL)
 {
 // Flush the dump context if there are some data
 if(dc->pbBufferPtr > dc->pbBufferBegin)
 FileStream_Write(dc->pStream, NULL, dc->pbBufferBegin, (DWORD)(dc->pbBufferPtr - dc->pbBufferBegin));
 dc->pbBufferPtr = dc->pbBufferBegin;

 // Free the file stream and the entire context
 if(dc->pStream != NULL)
 FileStream_Close(dc->pStream);
 CASC_FREE(dc);
 }

 return 0;
}

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int dump_print	(	TDumpContext *	dc,
		const char *	szFormat,
			...
	)

{
 va_list argList;
 char szBuffer[0x200];
 int nLength = 0;

 // Only if the dump context is valid
 if(dc != NULL)
 {
 // Print the buffer using sprintf
 va_start(argList, szFormat);
 nLength = vsprintf(szBuffer, szFormat, argList);
 assert(nLength < 0x200);
 va_end(argList);

 // Copy the string. Replace "\n" with "\n\r"
 for(int i = 0; i < nLength; i++)
 {
 // Flush the buffer, if needed
 if((dc->pbBufferPtr + 2) >= dc->pbBufferEnd)
 {
 FileStream_Write(dc->pStream, NULL, dc->pbBufferBegin, (DWORD)(dc->pbBufferPtr - dc->pbBufferBegin));
 dc->pbBufferPtr = dc->pbBufferBegin;
 }

 // Copy the char
 if(szBuffer[i] == 0x0A)
 *dc->pbBufferPtr++ = 0x0D;
 *dc->pbBufferPtr++ = szBuffer[i];
 }
 }

 return nLength;
}

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