mbox_newmail.c
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published by
the Free Software Foundation; either version 2, 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 FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <sys/stat.h>
#include <mailutils/error.h>
#include <mailutils/sys/mbox.h>
int
mbox_has_newmail (mbox_t mbox)
{
int newmail = 0;
mbox_debug_print (mbox, "has_newmail");
/* If the modification time is greater then the access time, the file has
been modified since the last time it was accessed. This typically means
new mail or someone tempered with the mailbox. */
if (mbox && mbox->carrier)
{
int fd = -1;
if (stream_get_fd (mbox->carrier, &fd) == 0)
{
struct stat statbuf;
if (fstat (fd, &statbuf) == 0)
{
if (difftime (statbuf.st_mtime, statbuf.st_atime) > 0)
newmail = 1;
}
}
}
return newmail;
}