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-rw-r--r--src/rmt.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/rmt.h b/src/rmt.h
new file mode 100644
index 0000000..5edea96
--- /dev/null
+++ b/src/rmt.h
@@ -0,0 +1,98 @@
+/* Definitions for communicating with a remote tape drive.
+Copyright (C) 1988, 1992, 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. */
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#if !defined(_POSIX_VERSION)
+#ifdef __MSDOS__
+#include <io.h>
+#else /* !__MSDOS__ */
+extern off_t lseek ();
+#endif /* __MSDOS__ */
+#endif /* _POSIX_VERSION */
+
+#ifdef NO_REMOTE
+#define _isrmt(f) 0
+#define rmtopen open
+#define rmtaccess access
+#define rmtstat stat
+#define rmtcreat creat
+#define rmtlstat lstat
+#define rmtread read
+#define rmtwrite write
+#define rmtlseek lseek
+#define rmtclose close
+#define rmtioctl ioctl
+#define rmtdup dup
+#define rmtfstat fstat
+#define rmtfcntl fcntl
+#define rmtisatty isatty
+
+#else /* !NO_REMOTE */
+
+#define __REM_BIAS 128
+#define RMTIOCTL
+
+#ifndef O_CREAT
+#define O_CREAT 01000
+#endif
+
+extern char *__rmt_path;
+
+#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
+#include <string.h>
+#ifndef index
+#define index strchr
+#endif
+#else
+extern char *index ();
+#endif
+
+#define _remdev(path) (!f_force_local && (__rmt_path=index(path, ':')))
+#define _isrmt(fd) ((fd) >= __REM_BIAS)
+
+#define rmtopen(path,oflag,mode,rsh) (_remdev(path) ? __rmt_open(path, oflag, mode, __REM_BIAS,rsh) : open(path, oflag, mode))
+#define rmtaccess(path, amode) (_remdev(path) ? 0 : access(path, amode))
+#define rmtstat(path, buf) (_remdev(path) ? (errno = EOPNOTSUPP), -1 : stat(path, buf))
+#define rmtcreat(path, mode, rsh) (_remdev(path) ? __rmt_open (path, 1 | O_CREAT, mode, __REM_BIAS, rsh) : creat(path, mode))
+#define rmtlstat(path,buf) (_remdev(path) ? (errno = EOPNOTSUPP), -1 : lstat(path,buf))
+
+#define rmtread(fd, buf, n) (_isrmt(fd) ? __rmt_read(fd - __REM_BIAS, buf, n) : read(fd, buf, n))
+#define rmtwrite(fd, buf, n) (_isrmt(fd) ? __rmt_write(fd - __REM_BIAS, buf, n) : write(fd, buf, n))
+#define rmtlseek(fd, off, wh) (_isrmt(fd) ? __rmt_lseek(fd - __REM_BIAS, off, wh) : lseek(fd, off, wh))
+#define rmtclose(fd) (_isrmt(fd) ? __rmt_close(fd - __REM_BIAS) : close(fd))
+#ifdef RMTIOCTL
+#define rmtioctl(fd,req,arg) (_isrmt(fd) ? __rmt_ioctl(fd - __REM_BIAS, req, arg) : ioctl(fd, req, arg))
+#else
+#define rmtioctl(fd,req,arg) (_isrmt(fd) ? (errno = EOPNOTSUPP), -1 : ioctl(fd, req, arg))
+#endif
+#define rmtdup(fd) (_isrmt(fd) ? (errno = EOPNOTSUPP), -1 : dup(fd))
+#define rmtfstat(fd, buf) (_isrmt(fd) ? (errno = EOPNOTSUPP), -1 : fstat(fd, buf))
+#define rmtfcntl(fd,cmd,arg) (_isrmt(fd) ? (errno = EOPNOTSUPP), -1 : fcntl (fd, cmd, arg))
+#define rmtisatty(fd) (_isrmt(fd) ? 0 : isatty(fd))
+
+#undef RMTIOCTL
+
+int __rmt_open ();
+int __rmt_close ();
+int __rmt_read ();
+int __rmt_write ();
+long __rmt_lseek ();
+int __rmt_ioctl ();
+#endif /* !NO_REMOTE */

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