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#include "util.h"
QString filesize(unsigned long l)
{
char units[] = { 'K', 'M', 'G' };
int iu = 0;
while (l > 999 && iu < sizeof(units))
{
l = (l+512)/1024;
iu++;
}
QString ret = QString::number(l);
if (iu != 0)
{
ret += QChar(units[iu-1]);
}
return ret;
}
QString percent(unsigned long pos, unsigned long len)
{
unsigned long permil = 0;
if (len != 0)
{
permil = (1000*pos+len/2)/len;
}
unsigned long percen = permil/10;
unsigned long frac = permil - 10*percen;
return QString::number(percen) + "." + QString::number(frac);
}
QString fmt(unsigned long pos, unsigned long len)
{
QString ret = filesize(pos) + "/" + filesize(len) + " : " + percent(pos,len) +"%";
return ret;
}
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