xoonips/AL/common.cc

/*
 * --------------------------------------------------------------------------  
 * XooNiPs Xoops modules for Neuroinformatics Platforms                        
 * Copyright (C) 2005 RIKEN, Japan. All rights reserved.                       
 * http://sourceforge.jp/projects/xoonips/                                     
 * --------------------------------------------------------------------------  
 * This program is free software; you can redistribute it and/or               
 * modify it under the terms of the GNU General Public License                 
 * as published by the Free Software Foundation; either version 2              
 * of the License, or (at your option) any later version.                      
 *                                                                             
 * This program is distributed in the hope that it will be useful,             
 * but WITHOUT 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, write to the Free Software                 
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. 
 * --------------------------------------------------------------------------  
 * 
 * Abstract Layer鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 * $Revision: 1.6 $
 * $Log: common.cc,v $
 * Revision 1.6  2005/02/25 07:42:57  tani
 * doubleToString鐃緒申鐃緒申.
 *
 * Revision 1.5  2005/01/22 05:38:03  youi
 * md5str鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申.
 *
 * Revision 1.4  2005/01/06 07:17:15  youi
 * VC toolkit鐃緒申鐃緒申鐃緒申鐃緒申snprintf鐃緒申_fltused鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申.
 *
 * Revision 1.3  2004/11/26 05:13:40  aga
 * 鐃緒申userid_t, groupid_t鐃緒申unsigned int 鐃緒申鐃緒申鐃緒申.
 * 鐃緒申unsignedIntToString()鐃緒申鐃緒申鐃緒申.
 *
 * Revision 1.2  2004/11/26 03:29:43  aga
 * 鐃緒申intToString()鐃緒申鐃緒申鐃緒申.
 *
 * Revision 1.1  2004/11/22 08:25:16  youi
 * initial version.
 *
 * 
 */

#include <stdio.h>
#include <string.h>
#include "common.h"

/**
 * 
 * data鐃緒申MD5鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * str鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申.
 * 
 * 
 * 
 */
char* md5str( char str[MD5_DIGEST_STRING_LENGTH], unsigned char* data, int len )
{
    MD5_CTX c;
    unsigned char buf[MD5_DIGEST_LENGTH];
    static const char hexdigit[]="0123456789abcdef";
    
    MD5_Init( &c );
    MD5_Update( &c, data, len );
    MD5_Final( buf, &c );
    
    for( int i = 0 ; i < MD5_DIGEST_LENGTH ; i++ ){
        str[i*2] = hexdigit[buf[i]>>4];
        str[i*2+1] = hexdigit[buf[i] & 0x0f];
    }
    str[MD5_DIGEST_LENGTH*2] = '\0';
    return str;
}

/**
 * 
 * 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 * @param text 
 * @return 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * @return 0 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 */
char* str_dup( const char* text )
{
    if( text == 0 ) return 0;
    char* ptr = new char[ strlen( text ) + 1 ];
    if( ptr == 0 ) return 0;
    strcpy( ptr , text );
    return ptr;
}

/**
 * 
 * newtext鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申*dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申.<br>
 * 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申*dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申.<br>
 * 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申*dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申<br>
 * newtext==0鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申*dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申*dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申.<br>
 * 
 * @param newtext *dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * @param dstptr 鐃緒申鐃緒申鐃緒申鐃緒申newtext鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * @return dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申dstptr
 * 
 */
char* setValue( char** dstptr, const char* newtext )
{
    char* ptr;
    
    // newtext鐃緒申0鐃緒申鐃緒申鐃緒申*dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
    // *dstptr鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
    if( newtext == 0 ){
        ptr = str_dup( "" );
    }else{
        ptr = str_dup( newtext );
    }
    if( ptr != 0 ){
        if( *dstptr != 0 ) delete[] *dstptr;
        *dstptr = ptr;
    }
    return *dstptr;
}

/**
 * 
 * int鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 * @param i 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * @return 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 */
string intToString( int i ){
        char buf[sizeof(int)*3+1+1+1]; // n鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申3n+1鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申1鐃緒申鐃緒申\0鐃緒申1鐃緒申
        snprintf( buf, sizeof(buf), "%d", i );
        string s( buf );
        return s;
}

/**
 * 
 * unsigned int鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 * @param i 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * @return 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 */
string unsignedIntToString( unsigned int i ){
        char buf[sizeof(int)*3+1+1]; // n鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申3n+1鐃緒申鐃緒申鐃緒申鐃緒申\0鐃緒申1鐃緒申
        snprintf( buf, sizeof(buf), "%u", i );
        string s( buf );
        return s;
}


/**
 * 
 * unsigned int鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 * @param i 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * @return 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
 * 
 */
string doubleToString( double d ){
        char buf[256];
        snprintf( buf, sizeof(buf), "%lf", d );
        string s( buf );
        return s;
}
