/* Definitions for communicating with a remote tape drive.
- Copyright (C) 1988, 1992, 1996, 1997 Free Software Foundation, Inc.
+
+ Copyright (C) 1988, 1992, 1996, 1997, 2001, 2003 Free Software
+ Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
extern char *rmt_path__;
-int rmt_open__ PARAMS ((const char *, int, int, const char *));
-int rmt_close__ PARAMS ((int));
-ssize_t rmt_read__ PARAMS ((int, char *, size_t));
-ssize_t rmt_write__ PARAMS ((int, char *, size_t));
-off_t rmt_lseek__ PARAMS ((int, off_t, int));
-int rmt_ioctl__ PARAMS ((int, int, char *));
+int rmt_open__ (const char *, int, int, const char *);
+int rmt_close__ (int);
+ssize_t rmt_read__ (int, char *, size_t);
+ssize_t rmt_write__ (int, char *, size_t);
+off_t rmt_lseek__ (int, off_t, int);
+int rmt_ioctl__ (int, int, char *);
-/* A filename is remote if it contains a colon not preceeded by a slash,
+/* A filename is remote if it contains a colon not preceded by a slash,
to take care of `/:/' which is a shorthand for `/.../<CELL-NAME>/fs'
on machines running OSF's Distributing Computing Environment (DCE) and
Distributed File System (DFS). However, when --force-local, a
#define _remdev(Path) \
(!force_local_option && (rmt_path__ = strchr (Path, ':')) \
- && rmt_path__ > (Path) && rmt_path__[-1] != '/')
+ && rmt_path__ > (Path) && ! memchr (Path, rmt_path__ - (Path), '/'))
#define _isrmt(Fd) \
((Fd) >= __REM_BIAS)
-#define __REM_BIAS 128
+#define __REM_BIAS (1 << 30)
#ifndef O_CREAT
# define O_CREAT 01000
#define rmtstat(Path, Buffer) \
(_remdev (Path) ? (errno = EOPNOTSUPP), -1 : stat (Path, Buffer))
- /* FIXME: errno should be read-only */
#define rmtcreat(Path, Mode, Command) \
(_remdev (Path) \
#define rmtlstat(Path, Buffer) \
(_remdev (Path) ? (errno = EOPNOTSUPP), -1 : lstat (Path, Buffer))
- /* FIXME: errno should be read-only */
#define rmtread(Fd, Buffer, Length) \
(_isrmt (Fd) ? rmt_read__ (Fd - __REM_BIAS, Buffer, Length) \
#define rmtdup(Fd) \
(_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : dup (Fd))
- /* FIXME: errno should be read-only */
#define rmtfstat(Fd, Buffer) \
(_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : fstat (Fd, Buffer))
- /* FIXME: errno should be read-only */
#define rmtfcntl(Fd, Command, Argument) \
(_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : fcntl (Fd, Command, Argument))
- /* FIXME: errno should be read-only */
#define rmtisatty(Fd) \
(_isrmt (Fd) ? 0 : isatty (Fd))