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File:  [ELWIX - Embedded LightWeight unIX -] / elwix / tools / oldlzma / SRC / Common / StringToInt.cpp
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue May 14 09:04:51 2013 UTC (11 years, 2 months ago) by misho
Branches: misho, elwix1_9_mips, MAIN
CVS tags: start, elwix2_8, elwix2_7, elwix2_6, elwix2_3, elwix2_2, HEAD, ELWIX2_7, ELWIX2_6, ELWIX2_5, ELWIX2_2p0
oldlzma needs for uboot

// Common/StringToInt.cpp

#include "StdAfx.h"

#include "StringToInt.h"

UInt64 ConvertStringToUInt64(const char *s, const char **end)
{
  UInt64 result = 0;
  while(true)
  {
    char c = *s;
    if (c < '0' || c > '9')
    {
      if (end != NULL)
        *end = s;
      return result;
    }
    result *= 10;
    result += (c - '0');
    s++;
  }
}

UInt64 ConvertStringToUInt64(const wchar_t *s, const wchar_t **end)
{
  UInt64 result = 0;
  while(true)
  {
    wchar_t c = *s;
    if (c < '0' || c > '9')
    {
      if (end != NULL)
        *end = s;
      return result;
    }
    result *= 10;
    result += (c - '0');
    s++;
  }
}


Int64 ConvertStringToInt64(const char *s, const char **end)
{
  if (*s == '-')
    return -(Int64)ConvertStringToUInt64(s + 1, end);
  return ConvertStringToUInt64(s, end);
}
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