/* movemail foo bar -- move file foo to file bar,
locking file foo the way /bin/mail respects.
Copyright (C) 1986, 1992, 1993, 1994, 1996, 1999, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+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 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, 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
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 Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+
/* Important notice: defining MAIL_USE_FLOCK or MAIL_USE_LOCKF *will
cause loss of mail* if you do it on a system that does not normally
*
*/
-#define NO_SHORTNAMES /* Tell config not to load remap.h */
#include <config.h>
#include <sys/types.h>
#include <sys/stat.h>
#define R_OK 4
#endif
-#if defined (XENIX) || defined (WINDOWSNT)
+#ifdef WINDOWSNT
#include <sys/locking.h>
#endif
char *inname, *outname;
int indesc, outdesc;
int nread;
- WAITTYPE status;
+ int status;
int c, preserve_mail = 0;
#ifndef MAIL_USE_SYSTEM_LOCK
close (desc);
tem = link (tempname, lockname);
+
+#ifdef EPERM
+ if (tem < 0 && errno == EPERM)
+ fatal ("Unable to create hard link between %s and %s",
+ tempname, lockname);
+#endif
+
unlink (tempname);
if (tem >= 0)
break;
if (indesc < 0)
pfatal_with_name (inname);
-#if defined (BSD_SYSTEM) || defined (XENIX)
+#ifdef BSD_SYSTEM
/* In case movemail is setuid to root, make sure the user can
read the output file. */
/* This is desirable for all systems
but I don't want to assume all have the umask system call */
umask (umask (0) & 0333);
-#endif /* BSD_SYSTEM || XENIX */
+#endif /* BSD_SYSTEM */
outdesc = open (outname, O_WRONLY | O_CREAT | O_EXCL, 0666);
if (outdesc < 0)
pfatal_with_name (outname);
#ifdef MAIL_USE_LOCKF
status = lockf (indesc, F_LOCK, 0);
#else /* not MAIL_USE_LOCKF */
-#ifdef XENIX
- status = locking (indesc, LK_RLCK, 0L);
-#else
#ifdef WINDOWSNT
status = locking (indesc, LK_RLCK, -1L);
#else
status = flock (indesc, LOCK_EX);
#endif
-#endif
#endif /* not MAIL_USE_LOCKF */
#endif /* MAIL_USE_SYSTEM_LOCK */
}
#ifdef MAIL_USE_SYSTEM_LOCK
if (! preserve_mail)
{
-#if defined (STRIDE) || defined (XENIX)
- /* Stride, xenix have file locking, but no ftruncate.
- This mess will do. */
- close (open (inname, O_CREAT | O_TRUNC | O_RDWR, 0666));
-#else
ftruncate (indesc, 0L);
-#endif /* STRIDE or XENIX */
}
#endif /* MAIL_USE_SYSTEM_LOCK */
the original length of 80. */
/*
- * The full legal syntax for a POP mailbox specification for movemail
+ * The full valid syntax for a POP mailbox specification for movemail
* is "po:username:hostname". The ":hostname" is optional; if it is
* omitted, the MAILHOST environment variable will be consulted. Note
* that by the time popmail() is called the "po:" has been stripped