DebugPrint-1.0.0.2

    由于上一次的版本是只支持UNICODE编码的,这次经过改进让这个函数可以同时支持UNICODE字符集和多字节字符集,希,望大家多多指教……

/***
* debuglog.h - interface of the debugprint
*
* Copyright (c) 2009 by zfwolf <[e-mail]>.
*
* This program is free software: you can redistribute it and modify it under
* the terms of the GNU General Public License as published by the Free Soft-
* ware foundation, either version 3 of the License, or any later version.
*
* This program is distributed in the hope that it will be useful, but WITH-
* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*************************************************************************/
#ifndef __DEBUG_LOG_H__
#define __DEBUG_LOG_H__

#ifdef  __cplusplus
extern "C" {
#endif  /* __cplusplus */

#include <windows.h>
#include <tchar.h>

#if !defined(_DEBUG_LOG_)
#define __DEBUG_PRINT_LOG__
#endif  /* _DEBUG_LOG_ */

extern void DebugPrint(LPCTSTR fmt, ...);

#ifdef  __cplusplus
}
#endif  /* __cplusplus */

#endif  /* __DEBUG_LOG_H__ */

其具体实现如下:

/***
* debugprint.c - implementation of the debugprint
*
* Copyright (c) 2009 by zfwolf <[e-mail]>.
*
* This program is free software: you can redistribute it and modify it under
* the terms of the GNU General Public License as published by the Free Soft-
* ware foundation, either version 3 of the License, or any later version.
*
* This program is distributed in the hope that it will be useful, but WITH-
* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*************************************************************************/
#include "debuglog.h"
#include <stdio.h>
#include <sys/timeb.h>
#include <time.h>

static BOOL g_bTakeControl = FALSE; /* take control of the display */

/***
* extern void DebugPrint(LPCTSTR fmt, ...)
*
* Purpose:
*        this function to display the debug information into the file of
*        'debug.log'
*
* Entry:
*        @param1 LPCTSTR fmt
*        @param2 ...
*
* Exit: <void>
*
* Exceptions:
*************************************************************************/
extern void DebugPrint(LPCTSTR fmt, ...)
{
#ifdef __DEBUG_PRINT_LOG__
        TCHAR*  lpBuffer = NULL; /* buffer to display */
        int     size     = 0;    /* bytes of buffer   */
        int     len      = 0;    /* len of buffer     */
        FILE*   pFile    = NULL;
        va_list pArgs    = NULL;
        struct  tm*  pTm = NULL;
        struct  timeb tmb;

        while (g_bTakeControl)
                Sleep(100);
        g_bTakeControl = TRUE;

        va_start(pArgs, fmt);
        len  = _vsctprintf(fmt, pArgs) + 1;
        size = len * sizeof(TCHAR);
        if (NULL == (lpBuffer = 
                HeapAlloc(GetProcessHeap(), 0, size)))
                return;

        memset(lpBuffer, 0, size);
        _vstprintf(lpBuffer, fmt, pArgs);
        va_end(pArgs);

        if (NULL == (pFile = _tfopen(_T("debug.log"), _T("a+"))))
                return;

        memset(&tmb, 0, sizeof(struct timeb));
        ftime(&tmb);
        pTm = localtime(&tmb.time);
        _ftprintf(pFile, _T("(%.4d-%.2d-%.2d %.2d:%.2d:%.2d:%.3d) --- %s/n"), 
                pTm->tm_year + 1900, pTm->tm_mon + 1, pTm->tm_mday,
                pTm->tm_hour, pTm->tm_min, pTm->tm_sec, tmb.millitm,
                lpBuffer);

        if (NULL != pFile) {
                fclose(pFile);
                pFile = NULL;
        }
        if (NULL != lpBuffer) {
                HeapFree(GetProcessHeap(), 0, lpBuffer);
                lpBuffer = NULL;
        }

        g_bTakeControl = FALSE;
#endif /* __DEBUG_PRINT_LOG__ */
}