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/* uuencode utility.
Copyright (C) 1994, 1995 Free Software Foundation, Inc.
This product 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, or (at your option)
any later version.
This product 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this product; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* Copyright (c) 1983 Regents of the University of California.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software
must display the following acknowledgement:
This product includes software developed by the University of
California, Berkeley and its contributors.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE. */
#include "newspost.h"
#include "system.h"
/* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93. */
/* Modified for Newspost by Jim Faulkner jfaulkne@ccs.neu.edu */
/*=======================================================\
| uuencode [INPUT] OUTPUT |
| |
| Encode a file so it can be mailed to a remote system. |
\=======================================================*/
#define RW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
/*
static struct option longopts[] =
{
{ "base64", 0, 0, 'm' },
{ "version", 0, 0, 'v' },
{ "help", 0, 0, 'h' },
{ NULL, 0, 0, 0 }
};
*/
int encode(FILE *infile,FILE *outfile, int maxlines, bool lastfile);
/* The name this program was run with. */
const char *program_name;
/* The two currently defined translation tables. The first is the
standard uuencoding, the second is base64 encoding. */
const char uu_std[64] =
{
'`', '!', '"', '#', '$', '%', '&', '\'',
'(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', ':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '[', '\\', ']', '^', '_'
};
/* Pointer to the translation table we currently use. */
const char *trans_ptr = uu_std;
const char uu_base64[64] =
{
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '+', '/'
};
/* ENC is the basic 1 character encoding function to make a char printing. */
#define ENC(Char) (trans_ptr[(Char) & 077])
/*------------------------------------------------.
| Copy from IN to OUT, encoding as you go along. |
`------------------------------------------------*/
int
encode (FILE *infile,FILE *outfile,int maxlines, bool lastfile)
{
int counter = 0;
register int ch, n, m;
register char *p;
char buf[80];
while (counter < maxlines)
{
counter++;
n = 0;
do
{
m = fread (buf, 1, 45 - n, infile);
if (m == 0)
break;
n += m;
}
while (n < 45);
if (n == 0)
break;
if (trans_ptr == uu_std)
if (putc (ENC (n),outfile) == EOF)
break;
for (p = buf; n > 2; n -= 3, p += 3)
{
ch = *p >> 2;
ch = ENC (ch);
if (putc (ch,outfile) == EOF)
break;
ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
ch = ENC (ch);
if (putc (ch,outfile) == EOF)
break;
ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
ch = ENC (ch);
if (putc (ch,outfile) == EOF)
break;
ch = p[2] & 077;
ch = ENC (ch);
if (putc (ch,outfile) == EOF)
break;
}
if (n != 0)
break;
if (putc ('\n',outfile) == EOF)
break;
}
while (n != 0)
{
char c1 = *p;
char c2 = n == 1 ? 0 : p[1];
ch = c1 >> 2;
ch = ENC (ch);
if (putc (ch,outfile) == EOF)
break;
ch = ((c1 << 4) & 060) | ((c2 >> 4) & 017);
ch = ENC (ch);
if (putc (ch,outfile) == EOF)
break;
if (n == 1)
ch = trans_ptr == uu_std ? ENC ('\0') : '=';
else
{
ch = (c2 << 2) & 074;
ch = ENC (ch);
}
if (putc (ch,outfile) == EOF)
break;
ch = trans_ptr == uu_std ? ENC ('\0') : '=';
if (putc (ch,outfile) == EOF)
break;
putc ('\n',outfile);
break;
}
if (ferror (stdin)){
printf("Read error\n");
exit(0);
}
if ((trans_ptr == uu_std) && (lastfile == TRUE))
{
putc (ENC ('\0'),outfile);
putc ('\n',outfile);
}
}
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