werr.cpp

这是个人脸识别程序

// $common\werr.cpp 1.5 milbo$ like err.cpp but for windows
// Warning: this is raw research code -- expect it to be quite messy.
// milbo durban dec05

#include <windows.h>
#include <io.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <signal.h>
#include <float.h>
#include <math.h>
#include <new.h>
#include <direct.h>
#include <sys/stat.h>
#include <fstream.h>
#include <iostream.h>
#include "mcommon.hpp"
#include "util.hpp"
#include "err.hpp"	// use err.hpp for err.cpp and werr.cpp

bool fgErr;		// Err or SysErr was invoked, needed under Windows because can't call exit()

extern const char *sgProgramName;

//-----------------------------------------------------------------------------
// Print an warning message with standard "Warning" prefix
// Using a standard format allows easy post processing of log file: grep for "Warning:"
// This puts a \n on the msg so you shouldn't.

void __cdecl Warn (const char *pArgs, ...)		// args like printf
{
va_list pArg;
char *s = (char *)malloc(CONF_nMaxPrintfLen);
va_start(pArg, pArgs);
vsprintf(s, pArgs, pArg);
va_end(pArg);
lprintf("Warning: %s\n", s);
free(s);
}

//-----------------------------------------------------------------------------
// Print an error message and set global flag fgErr.
//
// Actually we would like to exit right here but that's not so easy under Windows,
// so we do the next best thing: set the global flag fgErr so we check for it later
//
// This puts a \n on the msg so you shouldn't.

void __cdecl Err (const char *pArgs, ...)		// args like printf
{
static bool fInHere;
va_list 	pArg;

if (fInHere)		// if already in here then just exit
	printf("\nRecursive call to Err\n");
else
	{
	fInHere = true;
	char *s = (char *)malloc(CONF_nMaxPrintfLen);
	va_start(pArg, pArgs);
	vsprintf(s, pArgs, pArg);
	va_end(pArg);
	printf("\n%s\n", s);
	fflush(stdout);					// unneeded under Win98 but needed under WinXP
	logprintf("\nErr: %s\n", s);	// allows easy post processing of log file: grep for "Err:"
	char sHeader[256];
	sprintf(sHeader, "%s error", sgProgramName);
	MessageBox(NULL, s, sHeader, MB_OK);
#if _DEBUG
	if (CONF_fAbortOnErr)
		EnterDebugger;
#endif
	free(s);
	}
fgErr = true; 		// can't call exit here under Windows so set global err flag instead.
}

//-----------------------------------------------------------------------------
// Like Err but prepends SysErr: and is msg for that aren't directly caused
// by the user i.e. for errors that should "never happen".
// This puts a \n on the msg so you shouldn't.

void __cdecl SysErr (const char *pArgs, ...)		// args like printf
{
static bool fInHere;
va_list 	pArg;

if (fInHere)			// if already in here then just exit
	printf("\nRecursive call to SysErr\n");
else
	{
	fInHere = true;
	char *s = (char *)malloc(CONF_nMaxPrintfLen);
	va_start(pArg, pArgs);
	vsprintf(s, pArgs, pArg);
	va_end(pArg);
	lprintf("\nSysErr: %s\n", s);
	fflush(stdout);					// unneeded under Win98 but needed under WinXP
	char sHeader[256];
	sprintf(sHeader, "%s SysError", sgProgramName);
	MessageBox(NULL, s, sHeader, MB_OK);
#if _DEBUG
	if (CONF_fAbortOnErr)
		EnterDebugger;
#endif
	free(s);
	}
fgErr = true; 		// can't call exit here under Windows so set global err flag instead.
}