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tdepim/libkmime/boolflags.cpp

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1.1 KiB

/*
boolflags.cpp
KNode, the KDE newsreader
Copyright (c) 1999-2001 the KNode authors.
See file AUTHORS for details
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.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
*/
#include "boolflags.h"
void BoolFlags::set(unsigned int i, bool b)
{
if(i>15) return;
unsigned char p; //bitqmask
int n;
if(i<8) { //first byte
p=(1 << i);
n=0;
}
else { //second byte
p=(1 << ( i-8 ));
n=1;
}
if(b)
bits[n] = bits[n] | p;
else
bits[n] = bits[n] & (255-p);
}
bool BoolFlags::get(unsigned int i)
{
if(i>15) return false;
unsigned char p; //bitqmask
int n;
if(i<8) { //first byte
p=(1 << i);
n=0;
}
else { //second byte
p=(1 << i-8);
n=1;
}
return ( (bits[n] & p)>0 );
}