text: /*
   Copyright (c) 2013 OpenSourceRF.com.  All right reserved.
  
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
  
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   See the GNU Lesser General Public License for more details.
  
   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
  
  /*
    Copyright (c) 2011 Arduino.  All right reserved.
  
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
  
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU Lesser General Public License for more details.
  
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
  #include "itoa.h"
  #include <string.h>
  
  #ifdef __cplusplus
  extern "C"{
  #endif // __cplusplus
  
  #if 0
  /* reverse:  reverse string s in place */
  static void reverse( char s[] )
  {
    int i, j ;
    char c ;
  
    for ( i = 0, j = strlen(s)-1 ; i < j ; i++, j-- )
    {
      c = s[i] ;
      s[i] = s[j] ;
      s[j] = c ;
    }
  }
  
  /* itoa:  convert n to characters in s */
  extern void itoa( int n, char s[] )
  {
    int i, sign ;
  
    if ( (sign = n) < 0 )  /* record sign */
    {
      n = -n;          /* make n positive */
    }
  
    i = 0;
    do
    {       /* generate digits in reverse order */
      s[i++] = n % 10 + '0';   /* get next digit */
    } while ((n /= 10) > 0) ;     /* delete it */
  
    if (sign < 0 )
    {
      s[i++] = '-';
    }
  
    s[i] = '\0';
  
    reverse( s ) ;
  }
  
  #else
  
  extern char* itoa( int value, char *string, int radix )
  {
    return ltoa( value, string, radix ) ;
  }
  
  extern char* ltoa( long value, char *string, int radix )
  {
    char tmp[33];
    char *tp = tmp;
    long i;
    unsigned long v;
    int sign;
    char *sp;
  
    if ( string == NULL )
    {
      return 0 ;
    }
  
    if (radix > 36 || radix <= 1)
    {
      return 0 ;
    }
  
    sign = (radix == 10 && value < 0);
    if (sign)
    {
      v = -value;
    }
    else
    {
      v = (unsigned long)value;
    }
  
    while (v || tp == tmp)
    {
      i = v % radix;
      v = v / radix;
      if (i < 10)
        *tp++ = i+'0';
      else
        *tp++ = i + 'a' - 10;
    }
  
    sp = string;
  
    if (sign)
      *sp++ = '-';
    while (tp > tmp)
      *sp++ = *--tp;
    *sp = 0;
  
    return string;
  }
  
  extern char* utoa( unsigned long value, char *string, int radix )
  {
    return ultoa( value, string, radix ) ;
  }
  
  extern char* ultoa( unsigned long value, char *string, int radix )
  {
    char tmp[33];
    char *tp = tmp;
    long i;
    unsigned long v = value;
    char *sp;
  
    if ( string == NULL )
    {
      return 0;
    }
  
    if (radix > 36 || radix <= 1)
    {
      return 0;
    }
  
    while (v || tp == tmp)
    {
      i = v % radix;
      v = v / radix;
      if (i < 10)
        *tp++ = i+'0';
      else
        *tp++ = i + 'a' - 10;
    }
  
    sp = string;
  
  
    while (tp > tmp)
      *sp++ = *--tp;
    *sp = 0;
  
    return string;
  }
  #endif /* 0 */
  
  #ifdef __cplusplus
  } // extern "C"
  #endif // __cplusplus
  