notepad--/common.cpp

25 lines
526 B
C++
Executable File

#include "common.h"
int nbDigitsFromNbLines(size_t nbLines)
{
int nbDigits = 0; // minimum number of digit should be 4
if (nbLines < 10) nbDigits = 1;
else if (nbLines < 100) nbDigits = 2;
else if (nbLines < 1000) nbDigits = 3;
else if (nbLines < 10000) nbDigits = 4;
else if (nbLines < 100000) nbDigits = 5;
else if (nbLines < 1000000) nbDigits = 6;
else // rare case
{
nbDigits = 7;
nbLines /= 1000000;
while (nbLines)
{
nbLines /= 10;
++nbDigits;
}
}
return nbDigits;
}