physfs/lzma/CPP/Common/IntToString.cpp

64 lines
1.0 KiB
C++

// Common/IntToString.cpp
#include "StdAfx.h"
#include "IntToString.h"
void ConvertUInt64ToString(UInt64 value, char *s, UInt32 base)
{
if (base < 2 || base > 36)
{
*s = '\0';
return;
}
char temp[72];
int pos = 0;
do
{
int delta = (int)(value % base);
temp[pos++] = (char)((delta < 10) ? ('0' + delta) : ('a' + (delta - 10)));
value /= base;
}
while (value != 0);
do
*s++ = temp[--pos];
while(pos > 0);
*s = '\0';
}
void ConvertUInt64ToString(UInt64 value, wchar_t *s)
{
wchar_t temp[32];
int pos = 0;
do
{
temp[pos++] = (wchar_t)(L'0' + (int)(value % 10));
value /= 10;
}
while (value != 0);
do
*s++ = temp[--pos];
while(pos > 0);
*s = L'\0';
}
void ConvertInt64ToString(Int64 value, char *s)
{
if (value < 0)
{
*s++ = '-';
value = -value;
}
ConvertUInt64ToString(value, s);
}
void ConvertInt64ToString(Int64 value, wchar_t *s)
{
if (value < 0)
{
*s++ = L'-';
value = -value;
}
ConvertUInt64ToString(value, s);
}