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mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-12-01 08:17:38 +00:00
emacs/lib-src/b2m.c
1994-05-17 19:12:55 +00:00

123 lines
2.4 KiB
C

/*
* b2m - a filter for Babyl -> Unix mail files
*
* usage: b2m < babyl > mailbox
*
* I find this useful whenever I have to use a
* system which - shock horror! - doesn't run
* Gnu emacs. At least now I can read all my
* Gnumacs Babyl format mail files!
*
* it's not much but it's free!
*
* Ed Wilkinson
* E.Wilkinson@massey.ac.nz
* Mon Nov 7 15:54:06 PDT 1988
*/
/* Serious bug: This program uses `gets', which is intrinsically
unreliable--long lines will cause crashes.
Someone should fix this program not to use `gets'. */
#include <stdio.h>
#include <time.h>
#include <sys/types.h>
#ifdef MSDOS
#include <fcntl.h>
#endif
#include <../src/config.h>
/* BSD's strings.h does not declare the type of strtok. */
extern char *strtok ();
#ifndef TRUE
#define TRUE (1)
#endif
#ifndef FALSE
#define FALSE (0)
#endif
int header = FALSE, printing;
time_t ltoday;
char from[256], labels[256], data[256], *p, *today;
main (argc, argv)
int argc;
char **argv;
{
#ifdef MSDOS
_fmode = O_BINARY; /* all of files are treated as binary files */
(stdout)->_flag &= ~_IOTEXT;
(stdin)->_flag &= ~_IOTEXT;
#endif
if (argc >= 2 && strcmp (argv[1], "--help") == 0)
{
fprintf (stderr, "Usage: %s <babylmailbox >unixmailbox\n", argv[0]);
exit (0);
}
ltoday = time (0);
today = ctime (&ltoday);
/* BUG! Must not use gets in a reliable program! */
if (gets (data))
{
if (strncmp (data, "BABYL OPTIONS:", 14))
{
fprintf (stderr, "%s: not a Babyl mailfile!\n", argv[0]);
exit (-1);
}
else
printing = FALSE;
}
else
exit (-1);
if (printing)
puts (data);
while (gets (data))
{
#if 0
/* What was this for? Does somebody have something against blank
lines? */
if (!strcmp (data, ""))
exit (0);
#endif
if (!strcmp (data, "*** EOOH ***") && !printing)
{
printing = header = TRUE;
printf ("From %s %s", argv[0], today);
continue;
}
if (!strcmp (data, "\037\f"))
{
/* save labels */
gets (data);
p = strtok (data, " ,\r\n\t");
strcpy (labels, "X-Babyl-Labels: ");
while (p = strtok (NULL, " ,\r\n\t"))
{
strcat (labels, p);
strcat (labels, ", ");
}
labels[strlen (labels) - 2] = '\0';
printing = header = FALSE;
continue;
}
if (!strlen (data) && header)
{
header = FALSE;
if (strcmp (labels, "X-Babyl-Labels"))
puts (labels);
}
if (printing)
puts (data);
}
}