1 files changed, 93 insertions, 0 deletions
diff --git a/contrib/tar/src/rmt.h b/contrib/tar/src/rmt.h
new file mode 100644
index 0000000..b851045
--- /dev/null
+++ b/contrib/tar/src/rmt.h
@@ -0,0 +1,93 @@
+/* Definitions for communicating with a remote tape drive.
+   Copyright 1988, 1992, 1996, 1997, 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 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+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 *));
+
+/* 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
+   filename is never remote.  */
+
+#define _remdev(Path) \
+  (!force_local_option && (rmt_path__ = strchr (Path, ':')) \
+   && rmt_path__ > (Path) && ! memchr (Path, rmt_path__ - (Path), '/'))
+
+#define _isrmt(Fd) \
+  ((Fd) >= __REM_BIAS)
+
+#define __REM_BIAS (1 << 30)
+
+#ifndef O_CREAT
+# define O_CREAT 01000
+#endif
+
+#define rmtopen(Path, Oflag, Mode, Command) \
+  (_remdev (Path) ? rmt_open__ (Path, Oflag, __REM_BIAS, Command) \
+   : open (Path, Oflag, Mode))
+
+#define rmtaccess(Path, Amode) \
+  (_remdev (Path) ? 0 : access (Path, Amode))
+
+#define rmtstat(Path, Buffer) \
+  (_remdev (Path) ? (errno = EOPNOTSUPP), -1 : stat (Path, Buffer))
+
+#define rmtcreat(Path, Mode, Command) \
+   (_remdev (Path) \
+    ? rmt_open__ (Path, 1 | O_CREAT, __REM_BIAS, Command) \
+    : creat (Path, Mode))
+
+#define rmtlstat(Path, Buffer) \
+  (_remdev (Path) ? (errno = EOPNOTSUPP), -1 : lstat (Path, Buffer))
+
+#define rmtread(Fd, Buffer, Length) \
+  (_isrmt (Fd) ? rmt_read__ (Fd - __REM_BIAS, Buffer, Length) \
+   : safe_read (Fd, Buffer, Length))
+
+#define rmtwrite(Fd, Buffer, Length) \
+  (_isrmt (Fd) ? rmt_write__ (Fd - __REM_BIAS, Buffer, Length) \
+   : full_write (Fd, Buffer, Length))
+
+#define rmtlseek(Fd, Offset, Where) \
+  (_isrmt (Fd) ? rmt_lseek__ (Fd - __REM_BIAS, Offset, Where) \
+   : lseek (Fd, Offset, Where))
+
+#define rmtclose(Fd) \
+  (_isrmt (Fd) ? rmt_close__ (Fd - __REM_BIAS) : close (Fd))
+
+#define rmtioctl(Fd, Request, Argument) \
+  (_isrmt (Fd) ? rmt_ioctl__ (Fd - __REM_BIAS, Request, Argument) \
+   : ioctl (Fd, Request, Argument))
+
+#define rmtdup(Fd) \
+  (_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : dup (Fd))
+
+#define rmtfstat(Fd, Buffer) \
+  (_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : fstat (Fd, Buffer))
+
+#define rmtfcntl(Fd, Command, Argument) \
+  (_isrmt (Fd) ? (errno = EOPNOTSUPP), -1 : fcntl (Fd, Command, Argument))
+
+#define rmtisatty(Fd) \
+  (_isrmt (Fd) ? 0 : isatty (Fd))