trace.h

vc程序设计与实例中关于调试技术的VC++源代码

/* 
	Trace.h
*/

#ifndef __TRACE_H__
#define __TRACE_H__

#include <crtdbg.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#ifdef _DEBUG
#define TRACEMAXSTRING	1024

char szBuffer[TRACEMAXSTRING];
inline void Trace(const char* format,...)
{
 va_list args;
 va_start(args,format);
 int nBuf;
 nBuf = _vsnprintf(szBuffer,
                   TRACEMAXSTRING,
                   format,
                   args);
 va_end(args);

 _RPT0(_CRT_WARN,szBuffer);
}
#define TraceEx _snprintf(szBuffer,TRACEMAXSTRING,"%s(%d): ", \
                          &strrchr(__FILE__,'\\')[1],__LINE__); \
_RPT0(_CRT_WARN,szBuffer); \
Trace

#else
 inline void Trace(0);
 inline void TraceEx(0);
#endif


#endif // __TRACE_H__