182 lines
2.7 KiB
C
182 lines
2.7 KiB
C
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/*++
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Copyright (c) 1999 Microsoft Corporation
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All rights reserved
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Module Name:
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local.c
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// @@BEGIN_DDKSPLIT
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Abstract:
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Implementation of debug functions
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Environment:
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User Mode -Win32
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Revision History:
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// @@END_DDKSPLIT
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--*/
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#if DBG
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#include "local.h"
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#include <tchar.h>
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#include <stdarg.h>
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#include <stdio.h>
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/*++
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Title:
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vsntprintf
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Routine Description:
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Formats a string and returns a heap allocated string with the
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formated data. This routine can be used to for extremely
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long format strings. Note: If a valid pointer is returned
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the callng functions must release the data with a call to delete.
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Arguments:
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psFmt - format string
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pArgs - pointer to a argument list.
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Return Value:
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Pointer to formated string. NULL if error.
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--*/
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LPSTR
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vsntprintf(
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IN LPCSTR szFmt,
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IN va_list pArgs
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)
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{
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LPSTR pszBuff;
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UINT uSize = 256;
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for( ; ; )
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{
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pszBuff = AllocSplMem(sizeof(char) * uSize);
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if (!pszBuff)
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{
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break;
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}
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//
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// Attempt to format the string. snprintf fails with a
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// negative number when the buffer is too small.
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//
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if (_vsnprintf(pszBuff, uSize, szFmt, pArgs) >= 0)
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{
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break;
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}
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FreeSplMem(pszBuff);
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pszBuff = NULL;
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//
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// Double the buffer size after each failure.
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//
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uSize *= 2;
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//
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// If the size is greater than 100k exit without formatting a string.
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//
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if (uSize > 100*1024)
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{
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break;
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}
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}
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return pszBuff;
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}
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/*++
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Title:
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DbgPrint
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Routine Description:
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Format the string similar to sprintf and output it in the debugger.
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Arguments:
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pszFmt pointer format string.
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.. variable number of arguments similar to sprintf.
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Return Value:
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0
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--*/
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BOOL
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DebugPrint(
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PCH pszFmt,
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...
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)
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{
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LPSTR pszString = NULL;
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BOOL bReturn;
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va_list pArgs;
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va_start( pArgs, pszFmt );
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pszString = vsntprintf( pszFmt, pArgs );
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bReturn = !!pszString;
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va_end( pArgs );
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if (pszString)
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{
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OutputDebugStringA(pszString);
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FreeSplMem(pszString);
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}
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return bReturn;
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}
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// @@BEGIN_DDKSPLIT
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#ifdef NEVER
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VOID
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vTest(
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IN LPTSTR pPrinterName,
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IN LPTSTR pDocName
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)
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{
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WCHAR buf[250];
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UINT i;
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ODS(("Printer %ws\nDocument %ws\n\n", pPrinterName, pDocName));
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ODS(("Some numbers: %u %u %u %u %u %u %u \n\n", 1, 2, 3, 4, 5, 6 ,7));
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for (i=0;i<250;i++)
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{
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buf[i] = i%40 + 40 ;
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}
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ODS(("The string %ws \n\n", buf));
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}
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#endif //NEVER
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// @@END_DDKSPLIT
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#endif // DBG
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