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// Common/IntToString.cpp
#include "StdAfx.h"
#include "IntToString.h"
#define CONVERT_INT_TO_STR(charType, tempSize) \
unsigned char temp[tempSize]; unsigned i = 0; \
while (val >= 10) { temp[i++] = (unsigned char)('0' + (unsigned)(val % 10)); val /= 10; } \
*s++ = (charType)('0' + (unsigned)val); \
while (i != 0) { i--; *s++ = temp[i]; } \
*s = 0;
void ConvertUInt32ToString(UInt32 val, char *s) throw()
{
CONVERT_INT_TO_STR(char, 16);
}
void ConvertUInt64ToString(UInt64 val, char *s) throw()
{
if (val <= (UInt32)0xFFFFFFFF)
{
ConvertUInt32ToString((UInt32)val, s);
return;
}
CONVERT_INT_TO_STR(char, 24);
}
void ConvertUInt64ToOct(UInt64 val, char *s) throw()
{
UInt64 v = val;
unsigned i;
for (i = 1;; i++)
{
v >>= 3;
if (v == 0)
break;
}
s[i] = 0;
do
{
unsigned t = (unsigned)(val & 0x7);
val >>= 3;
s[--i] = (char)('0' + t);
}
while (i);
}
void ConvertUInt32ToHex(UInt32 val, char *s) throw()
{
UInt32 v = val;
unsigned i;
for (i = 1;; i++)
{
v >>= 4;
if (v == 0)
break;
}
s[i] = 0;
do
{
unsigned t = (unsigned)((val & 0xF));
val >>= 4;
s[--i] = (char)((t < 10) ? ('0' + t) : ('A' + (t - 10)));
}
while (i);
}
void ConvertUInt64ToHex(UInt64 val, char *s) throw()
{
UInt64 v = val;
unsigned i;
for (i = 1;; i++)
{
v >>= 4;
if (v == 0)
break;
}
s[i] = 0;
do
{
unsigned t = (unsigned)((val & 0xF));
val >>= 4;
s[--i] = (char)((t < 10) ? ('0' + t) : ('A' + (t - 10)));
}
while (i);
}
void ConvertUInt32ToHex8Digits(UInt32 val, char *s) throw()
{
s[8] = 0;
for (int i = 7; i >= 0; i--)
{
unsigned t = val & 0xF;
val >>= 4;
s[i] = (char)(((t < 10) ? ('0' + t) : ('A' + (t - 10))));
}
}
/*
void ConvertUInt32ToHex8Digits(UInt32 val, wchar_t *s)
{
s[8] = 0;
for (int i = 7; i >= 0; i--)
{
unsigned t = val & 0xF;
val >>= 4;
s[i] = (wchar_t)(((t < 10) ? ('0' + t) : ('A' + (t - 10))));
}
}
*/
void ConvertUInt32ToString(UInt32 val, wchar_t *s) throw()
{
CONVERT_INT_TO_STR(wchar_t, 16);
}
void ConvertUInt64ToString(UInt64 val, wchar_t *s) throw()
{
if (val <= (UInt32)0xFFFFFFFF)
{
ConvertUInt32ToString((UInt32)val, s);
return;
}
CONVERT_INT_TO_STR(wchar_t, 24);
}
void ConvertInt64ToString(Int64 val, char *s) throw()
{
if (val < 0)
{
*s++ = '-';
val = -val;
}
ConvertUInt64ToString(val, s);
}
void ConvertInt64ToString(Int64 val, wchar_t *s) throw()
{
if (val < 0)
{
*s++ = L'-';
val = -val;
}
ConvertUInt64ToString(val, s);
}
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