开源项目BNBT可用于其他项目中的文件操作部分

#include "stdafx.h"
#include <string.h>
#include <iostream>
#include "time.h"
using namespace std;


void UTIL_LogPrint( const char *format, ... )
{

    ::OutputDebugString(format);
}
void UTIL_DeleteFile( const char *szFile )
{
    if( unlink( szFile ) == 0 )
        UTIL_LogPrint( "deleted \"%s\"\n", szFile );
    else
    {
#ifdef WIN32
        UTIL_LogPrint( "error deleting \"%s\"\n", szFile );
#else
        UTIL_LogPrint( "error deleting \"%s\" - %s\n", szFile, strerror( errno ) );
#endif
    }
}


void UTIL_MakeFile( const char *szFile, string strContents )
{
    FILE *pFile = NULL;

    if( ( pFile = fopen( szFile, "wb" ) ) == NULL )
    {
        UTIL_LogPrint( "warning - unable to open %s for writing\n", szFile );

        return;
    }

    fwrite( (void *)strContents.c_str( ), sizeof( char ), strContents.size( ), pFile );
    fclose( pFile );
}

bool UTIL_CheckFile( const char *szFile )
{
    // check if file exists

    FILE *pFile = NULL;

    if( ( pFile = fopen( szFile, "r" ) ) == NULL )
        return false;

    fclose( pFile );

    return true;
}


string UTIL_ReadFile( const char *szFile )
{
    FILE *pFile = NULL;

    if( ( pFile = fopen( szFile, "rb" ) ) == NULL )
    {
        UTIL_LogPrint( "warning - unable to open %s for reading\n", szFile );

        return string( );
    }
    UTIL_LogPrint( "open %s for reading\n", szFile );

    fseek( pFile, 0, SEEK_END );
    unsigned long ulFileSize = ftell( pFile );
    fseek( pFile, 0, SEEK_SET );
    char *pData = (char *)malloc( sizeof( char ) * ulFileSize );
    memset( pData, 0, sizeof( char ) * ulFileSize );
    fread( (void *)pData, sizeof( char ), ulFileSize, pFile );
    fclose( pFile );
    string strFile( pData, ulFileSize );
    free( pData );

    return strFile;
}


void UTIL_MoveFile( const char *szFile, const char *szDest )
{
    if( UTIL_CheckFile( szDest ) )
        UTIL_LogPrint( "error archiving \"%s\" - destination file already exists\n", szDest );
    else
        UTIL_MakeFile( szDest, UTIL_ReadFile( szFile ) );

    // thanks MrMister

    UTIL_DeleteFile( szFile );
}

void UTIL_CopyFile( const char *szFile, const char *szDest )
{
    if( UTIL_CheckFile( szDest ) )
        UTIL_LogPrint( "error archiving \"%s\" - destination file already exists\n", szDest );
    else
        UTIL_MakeFile( szDest, UTIL_ReadFile( szFile ) );

}


string UTIL_GetLocalTimeString()//edited 不保证跨平台性

{
    time_t rawtime;
    struct tm * timeinfo;
    time ( &rawtime );
    timeinfo = localtime ( &rawtime ); 
    char year[5];
    char mon[3];
    char day[3];
    char hour[3];
    
    char min[3];
    char sec[3];

    strftime(year,5,"%Y",timeinfo);
    strftime(mon,3,"%m",timeinfo);
    strftime(day,3,"%d",timeinfo);
    strftime(hour,3,"%H",timeinfo);
    strftime(min,3,"%M",timeinfo);
    strftime(sec,3,"%S",timeinfo);
     
    string timestr;
    timestr.append(year);
    timestr.append(mon);
    timestr.append(day);
    timestr.append(hour);
    timestr.append(min);
    timestr.append(sec);

    return timestr;
}

void CreateDir(const char *DirPath)//edited 不保证跨平台性
{
    CreateDirectory(DirPath,NULL);
}