/*
** 
** Copyright (C) 1993 Swedish University Network (SUNET)
** 
** 
** This program is developed by UDAC, Uppsala University by commission
** of the Swedish University Network (SUNET). 
** 
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
** 
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITTNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
** 
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
** 
** 
**                                           Martin.Wendel@its.uu.se
** 				             Torbjorn.Wictorin@its.uu.se
** 
**                                           ITS	
**                                           P.O. Box 887
**                                           S-751 08 Uppsala
**                                           Sweden
** 
*/
#include "emil.h"

static unsigned char to_se[256] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,

0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,

0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,

0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,

0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,

0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,

0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,

0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,

0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,

0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,

0x20, 0x21, 0x24, 0x24, 0x24, 0x24, 0x7C, 0x25,
0x22, 0x43, 0x20, 0x3C, 0x2D, 0x2D, 0x52, 0x5E,

0x20, 0x2B, 0x32, 0x33, 0x27, 0x20, 0x20, 0x2A,
0x2C, 0x31, 0x20, 0x3E, 0x20, 0x20, 0x20, 0x3F,

0x41, 0x41, 0x41, 0x41, 0x5B, 0x5D, 0x5B, 0x43,
0x45, 0x40, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49,

0x44, 0x4E, 0x4F, 0x4F, 0x4F, 0x4F, 0x5C, 0x78,
0x5C, 0x55, 0x55, 0x55, 0x5E, 0x59, 0x50, 0x42,

0x61, 0x61, 0x61, 0x61, 0x7B, 0x7D, 0x7B, 0x63,
0x65, 0x60, 0x65, 0x65, 0x69, 0x69, 0x69, 0x69,

0x64, 0x6E, 0x6F, 0x6F, 0x6F, 0x6F, 0x7C, 0x20,
0x7C, 0x75, 0x75, 0x75, 0x7E, 0x79, 0x70, 0x79};


static unsigned char to_seu[256] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,

0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,

0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,

0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,

0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,

0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,

0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,

0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,

0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,

0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,

0x20, 0x21, 0x24, 0x24, 0x24, 0x24, 0x7C, 0x25,
0x22, 0x43, 0x20, 0x3C, 0x2D, 0x2D, 0x52, 0x5E,

0x20, 0x2B, 0x32, 0x33, 0x27, 0x20, 0x20, 0x2A,
0x2C, 0x31, 0x20, 0x3E, 0x20, 0x20, 0x20, 0x3F,

0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x43,
0x45, 0x40, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49,

0x44, 0x4E, 0x4F, 0x4F, 0x4F, 0x4F, 0x4F, 0x78,
0x4F, 0x55, 0x55, 0x55, 0x5E, 0x59, 0x50, 0x42,

0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x63,
0x65, 0x60, 0x65, 0x65, 0x69, 0x69, 0x69, 0x69,

0x64, 0x6E, 0x6F, 0x6F, 0x6F, 0x6F, 0x6F, 0x20,
0x6F, 0x75, 0x75, 0x75, 0x7E, 0x79, 0x70, 0x79};

int
to_7bit(struct message *m)
{
  char *c;
  long offset;
  long end;
  c = (char *)m->td->contents + m->td->offset;
  end = get_length(m->td);
#ifdef DEBUG
  if (edebug)
    fprintf(stderr, ", to 7bit");
#endif
  
  for (offset = 0; offset < end; offset++, c++)
    *c = to_se[(unsigned char)*c];
  return(OK);
}
int
to_stripped(struct message *m)
{
  char *c;
  long offset;
  long end;
  c = (char *)m->td->contents + m->td->offset;
  end = get_length(m->td);
#ifdef DEBUG
  if (edebug)
    fprintf(stderr, ", to 7bit");
#endif
  
  for (offset = 0; offset < end; offset++, c++)
    *c = to_seu[(unsigned char)*c];
  return(OK);
}

int
to_h7bit(struct hprs *m)
{
  
  char *c;
  long offset;
  long end;
  c = (char *)m->td->contents + m->td->offset;
  end = get_length(m->td);
#ifdef DEBUG
  if (edebug)
    fprintf(stderr, ", to stripped");
#endif
  
  for (offset = 0; offset < end; offset++, c++)
    *c = to_se[(unsigned char)*c];
  return(OK);
}
int
to_hstripped(struct hprs *m)
{
  
  char *c;
  long offset;
  long end;
  c = (char *)m->td->contents + m->td->offset;
  end = get_length(m->td);
#ifdef DEBUG
  if (edebug)
    fprintf(stderr, ", to stripped");
#endif
  
  for (offset = 0; offset < end; offset++, c++)
    *c = to_seu[(unsigned char)*c];
  return(OK);
}