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/* Copyright (C) 1985, 1993, 1994 Free Software Foundation
This file is part of GNU Emacs.
GNU Emacs 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.
GNU Emacs 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 Emacs; see the file COPYING. If not, write to
the Free the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Synched up with: FSF 19.28. */
/* cvtmail:
* Program to convert oldstyle goslings emacs mail directories into
* gnu-rmail format. Program expects a directory called Messages to
* exist in your home directory, containing individual mail messages in
* separate files in the standard gosling emacs mail reader format.
*
* Program takes one argument: an output file. This file will contain
* all the messages in Messages directory, in berkeley mail format.
* If no output file is mentioned, messages are put in ~/OMAIL.
*
* In order to get rmail to read the messages, the resulting file must
* be mv'ed to ~/mbox, and then have rmail invoked on them.
*
* Author: Larry Kolodney, 1985
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
static void *xmalloc (size_t);
static void *xrealloc (void *, size_t);
static void skip_to_lf (FILE *stream);
static void fatal (const char *s1, const char *s2);
static void error (const char *s1, const char *s2);
int
main (int argc, char *argv[])
{
char *hd;
char *md;
char *mdd;
char *mfile;
char *cf;
int cflen;
FILE *mddf;
FILE *mfilef;
FILE *cff;
char pre[10];
char name[14];
int c;
hd = getenv ("HOME");
md = (char *) xmalloc (strlen (hd) + 10);
strcpy (md, hd);
strcat (md, "/Messages");
mdd = (char *) xmalloc (strlen (md) + 11);
strcpy (mdd, md);
strcat (mdd, "/Directory");
cflen = 100;
cf = (char *) xmalloc (cflen);
mddf = fopen (mdd, "r");
if (argc > 1)
mfilef = fopen (argv[1], "w");
else
{
mfile = (char *) xmalloc (strlen (hd) + 7);
strcpy (mfile, hd);
strcat (mfile, "/OMAIL");
mfilef = fopen (mfile, "w");
}
skip_to_lf (mddf);
while (fscanf (mddf, "%4c%14[0123456789]", pre, name) != EOF)
{
int comp_len = strlen (md) + strlen (name) + 2;
if (cflen < comp_len)
{
cflen = strlen (md) + strlen (name) + 2;
cf = (char *) xrealloc (cf, cflen);
}
strcpy (cf, md);
strcat (cf,"/");
strcat (cf, name);
cff = fopen (cf, "r");
while ((c = getc(cff)) != EOF)
putc (c, mfilef);
putc ('\n', mfilef);
skip_to_lf (mddf);
fclose (cff);
}
fclose (mddf);
fclose (mfilef);
return 0;
}
static void
skip_to_lf (FILE *stream)
{
register int c;
while ((c = getc(stream)) != '\n')
;
}
static void *
xmalloc (size_t size)
{
void *result = malloc (size);
if (!result)
fatal ("virtual memory exhausted", 0);
return result;
}
static void *
xrealloc (void *ptr, size_t size)
{
void *result = realloc (ptr, size);
if (!result)
fatal ("virtual memory exhausted", 0);
return result;
}
/* Print error message and exit. */
static void
fatal (const char *s1, const char *s2)
{
error (s1, s2);
exit (1);
}
static void
error (const char *s1, const char *s2)
{
fprintf (stderr, "cvtmail: ");
fprintf (stderr, s1, s2);
fprintf (stderr, "\n");
}
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