//$Header$
//-------------------------------------------------------------------------------------------------
//This file is part of "David T. Ashley's Shared Source Code", a set of shared components
//integrated into many of David T. Ashley's projects.
//-------------------------------------------------------------------------------------------------
//This source code and any program in which it is compiled/used is provided under the MIT License,
//reproduced below.
//-------------------------------------------------------------------------------------------------
//Permission is hereby granted, free of charge, to any person obtaining a copy of
//this software and associated documentation files(the "Software"), to deal in the
//Software without restriction, including without limitation the rights to use,
//copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the
//Software, and to permit persons to whom the Software is furnished to do so,
//subject to the following conditions :
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//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.
//-------------------------------------------------------------------------------------------------
#define MODULE_CHARFUNC

#include <assert.h>
#include <stddef.h>

#include "charfunc.h"


int CHARFUNC_digit_to_val(char digit)
   {
   switch (digit)
      {
      case '0':  return(0);
                 break;
      case '1':  return(1);
                 break;
      case '2':  return(2);
                 break;
      case '3':  return(3);
                 break;
      case '4':  return(4);
                 break;
      case '5':  return(5);
                 break;
      case '6':  return(6);
                 break;
      case '7':  return(7);
                 break;
      case '8':  return(8);
                 break;
      case '9':  return(9);
                 break;
      default:   return(-1);
                 break;
      }
   }


char CHARFUNC_nibble_to_lc_hex_digit(int nibble)
   {
   switch (nibble & 0x0F)
      {
      case  0:
         return('0');
         break;
      case  1:
         return('1');
         break;
      case  2:
         return('2');
         break;
      case  3:
         return('3');
         break;
      case  4:
         return('4');
         break;
      case  5:
         return('5');
         break;
      case  6:
         return('6');
         break;
      case  7:
         return('7');
         break;
      case  8:
         return('8');
         break;
      case  9:
         return('9');
         break;
      case 10:
         return('a');
         break;
      case 11:
         return('b');
         break;
      case 12:
         return('c');
         break;
      case 13:
         return('d');
         break;
      case 14:
         return('e');
         break;
      case 15:
         return('f');
         break;
      default:
         assert(0);
         return('?');
         break;
      }
   }


void CHARFUNC_int_to_lc_hex_rev(int arg, char *s)
   {
   int i;

   assert(s != NULL);

   for (i=0; i<8; i++)
      {
      s[i] = CHARFUNC_nibble_to_lc_hex_digit(arg);
      arg >>= 4;
      }
   }

const char *CHARFUNC_cvcinfo(void)
   {
   return("$Header$");
   }


const char *CHARFUNC_hvcinfo(void)
   {
   return(CHARFUNC_H_VERSION);
   }

//End of charfunc.c.