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//+----------------------------------------------------------------------------
//
// File: string.c
//
// Module:
//
// Synopsis:
//
// Copyright (C) 2003 Scott Gasch
//
// Created: sgasch 5 Jul 2003
//
//+----------------------------------------------------------------------------
#include "kernel.h"
CHAR *
strncpy(CHAR *pDest, CHAR *pSrc, SIZE_T u)
{
char *p = pDest;
ULONG v = 0;
while ((v < u) && (*pSrc))
{
*pDest = *pSrc;
pDest++; pSrc++; v++;
}
//
// If we ran out of space, null terminate the dest buffer
//
if ((*pSrc) && (u > 0))
{
*(pDest - 1) = 0;
}
return(p);
}
SIZE_T
strlen(CHAR *p)
{
ULONG i = 0;
while(*p)
{
i++;
p++;
}
return(i);
}
CHAR *
RtlIntToAscii(INT i,
CHAR *buf,
ULONG uBufLen,
ULONG uBase)
{
CHAR *p = (buf + uBufLen);
ULONG uSpaceLeft = uBufLen;
ULONG uMagnitude;
BOOL fNeg = FALSE;
//
// null terminate the workspace buffer
//
if (uSpaceLeft == 0)
{
return(NULL);
}
*p = '\0';
p--;
uSpaceLeft--;
//
// Get the int's sign
//
if (i < 0)
{
fNeg = TRUE;
uMagnitude = -i;
}
else
{
uMagnitude = i;
}
//
// Based on base, do the conversion. Build the string backwards from
// less significant digits. Stop if we finish or if we run out of
// uSpaceLeft.
//
switch(uBase)
{
case 10:
do
{
*p = (uMagnitude % 10) + '0';
p--;
uSpaceLeft--;
uMagnitude /= 10;
}
while((uSpaceLeft > 0) && (uMagnitude != 0));
break;
case 16:
do
{
*p = "0123456789ABCDEF"[uMagnitude & 15];
p--;
uSpaceLeft--;
uMagnitude >>= 4;
}
while((uSpaceLeft > 0) && (uMagnitude != 0));
break;
case 8:
do
{
*p = (uMagnitude & 7) + '0';
p--;
uSpaceLeft--;
uMagnitude >>= 3;
}
while((uSpaceLeft > 0) && (uMagnitude != 0));
break;
}
if (TRUE == fNeg)
{
if (uSpaceLeft > 0)
{
*p = '-';
}
}
else
{
p++;
}
return(p);
}
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