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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2002, 2005, 2007, 2010-2012 Free Software
Foundation, Inc.
GNU Mailutils 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 3, or (at your option)
any later version.
GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include <mailutils/mailutils.h>
#define ISPRINT(c) ((c)>=' '&&(c)<127)
int verbose = 0;
int printable = 0;
mu_stream_stat_buffer instat, outstat;
static void
c_copy (mu_stream_t out, mu_stream_t in)
{
if (verbose)
{
mu_stream_set_stat (in,
MU_STREAM_STAT_MASK_ALL,
instat);
mu_stream_set_stat (out,
MU_STREAM_STAT_MASK_ALL,
outstat);
}
if (printable)
{
char c;
size_t size;
while (mu_stream_read (in, &c, 1, &size) == 0 && size > 0)
{
int rc;
if (printable && !ISPRINT (c))
{
char outbuf[24];
sprintf (outbuf, "\\%03o", (unsigned char) c);
rc = mu_stream_write (out, outbuf, strlen (outbuf), NULL);
}
else
rc = mu_stream_write (out, &c, 1, NULL);
}
}
else
MU_ASSERT (mu_stream_copy (out, in, 0, NULL));
}
void
usage (const char *diag)
{
FILE *fp;
if (diag)
{
fp = stderr;
fprintf (fp, "%s\n", diag);
}
else
fp = stdout;
fprintf (fp, "%s",
"usage: fltst FILTER {encode|decode} {read|write} [shift=N] [verbose] [printable] [nl] [bufsize=N] [-- args]\n");
exit (diag ? 1 : 0);
}
int
main (int argc, char * argv [])
{
mu_stream_t in, out, flt;
int i;
int mode = MU_FILTER_ENCODE;
int flags = MU_STREAM_READ;
char *fltname;
mu_off_t shift = 0;
int newline_option = 0;
size_t bufsize = 0;
if (argc == 1)
usage (NULL);
if (argc < 4)
usage ("not enough arguments");
fltname = argv[1];
if (strcmp (argv[2], "encode") == 0)
mode = MU_FILTER_ENCODE;
else if (strcmp (argv[2], "decode") == 0)
mode = MU_FILTER_DECODE;
else
usage ("2nd arg is wrong");
if (strcmp (argv[3], "read") == 0)
flags = MU_STREAM_READ;
else if (strcmp (argv[3], "write") == 0)
flags = MU_STREAM_WRITE;
else
usage ("3rd arg is wrong");
for (i = 4; i < argc; i++)
{
if (strncmp (argv[i], "shift=", 6) == 0)
shift = strtoul (argv[i] + 6, NULL, 0);
else if (strncmp (argv[i], "bufsize=", 8) == 0)
bufsize = strtoul (argv[i] + 8, NULL, 0);
else if (strcmp (argv[i], "verbose") == 0)
verbose++;
else if (strcmp (argv[i], "printable") == 0)
printable++;
else if (strcmp (argv[i], "nl") == 0)
newline_option++;
else if (strcmp (argv[i], "--") == 0)
{
argv[i] = fltname;
break;
}
else
usage ("wrong option");
}
argc -= i;
argv += i;
MU_ASSERT (mu_stdio_stream_create (&in, MU_STDIN_FD, 0));
if (bufsize)
mu_stream_set_buffer (in, mu_buffer_full, bufsize);
MU_ASSERT (mu_stdio_stream_create (&out, MU_STDOUT_FD, 0));
if (flags == MU_STREAM_READ)
{
MU_ASSERT (mu_filter_create_args (&flt, in, fltname,
argc, (const char **)argv,
mode,
MU_STREAM_READ|MU_STREAM_SEEK));
mu_stream_unref (in);
if (bufsize)
mu_stream_set_buffer (flt, mu_buffer_full, bufsize);
if (shift)
MU_ASSERT (mu_stream_seek (flt, shift, MU_SEEK_SET, NULL));
c_copy (out, flt);
}
else
{
MU_ASSERT (mu_filter_create_args (&flt, out, fltname,
argc, (const char **)argv,
mode,
MU_STREAM_WRITE));
if (bufsize)
mu_stream_set_buffer (flt, mu_buffer_full, bufsize);
if (shift)
MU_ASSERT (mu_stream_seek (in, shift, MU_SEEK_SET, NULL));
c_copy (flt, in);
mu_stream_close (in);
mu_stream_destroy (&in);
}
mu_stream_close (flt);
mu_stream_destroy (&flt);
if (newline_option)
mu_stream_write (out, "\n", 1, NULL);
mu_stream_close (out);
mu_stream_destroy (&out);
if (verbose)
{
fprintf (stderr, "\nInput stream stats:\n");
fprintf (stderr, "Bytes in: %lu\n",
(unsigned long) instat[MU_STREAM_STAT_IN]);
fprintf (stderr, "Bytes out: %lu\n",
(unsigned long) instat[MU_STREAM_STAT_OUT]);
fprintf (stderr, "Reads: %lu\n",
(unsigned long) instat[MU_STREAM_STAT_READS]);
fprintf (stderr, "Seeks: %lu\n",
(unsigned long) instat[MU_STREAM_STAT_SEEKS]);
fprintf (stderr, "\nOutput stream stats:\n");
fprintf (stderr, "Bytes in: %lu\n",
(unsigned long) outstat[MU_STREAM_STAT_IN]);
fprintf (stderr, "Bytes out: %lu\n",
(unsigned long) outstat[MU_STREAM_STAT_OUT]);
fprintf (stderr, "Writes: %lu\n",
(unsigned long) outstat[MU_STREAM_STAT_WRITES]);
fprintf (stderr, "Seeks: %lu\n",
(unsigned long) outstat[MU_STREAM_STAT_SEEKS]);
}
return 0;
}
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