Imported Upstream version 2.6.1

[debian/amanda] / tape-src / output-null.c

diff --git a/tape-src/output-null.c b/tape-src/output-null.c
deleted file mode 100644 (file)
index 1c361f4..0000000
--- a/tape-src/output-null.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Amanda, The Advanced Maryland Automatic Network Disk Archiver
- * Copyright (c) 1991-1998 University of Maryland at College Park
- * All Rights Reserved.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of U.M. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  U.M. makes no representations about the
- * suitability of this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
- *
- * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: James da Silva, Systems Design and Analysis Group
- *                        Computer Science Department
- *                        University of Maryland at College Park
- */
-
-/* NOTE: this driver is *deprecated* and should not be used.  See the Device API
- * in device-src/ for the new implementation.
- */
-
-/*
- * $Id: output-null.c,v 1.9 2006/06/02 00:56:06 paddy_s Exp $
- *
- * tapeio.c virtual tape interface for a null device.
- */
-
-#include "amanda.h"
-
-#include "tapeio.h"
-#include "output-null.h"
-#include "fileheader.h"
-#ifndef R_OK
-#define R_OK 4
-#define W_OK 2
-#endif
-
-static off_t *amount_written = NULL;
-static size_t open_count = 0;
-
-int
-null_tape_open(
-    char *     filename,
-    int                flags,
-    mode_t     mask)
-{
-    int fd;
-    off_t **amount_written_p = &amount_written;
-
-    (void)filename;    /* Quiet unused parameter warning */
-
-    if ((flags & 3) != O_RDONLY) {
-       flags &= ~3;
-       flags |= O_RDWR;
-    }
-    if ((fd = open("/dev/null", flags, mask)) >= 0) {
-       tapefd_setinfo_fake_label(fd, 1);
-       amtable_alloc((void **)amount_written_p,
-                     &open_count,
-                     SIZEOF(*amount_written),
-                     (size_t)(fd + 1),
-                     10,
-                     NULL);
-       amount_written[fd] = (off_t)0;
-    }
-    return fd;
-}
-
-ssize_t
-null_tapefd_read(
-    int                fd,
-    void *     buffer,
-    size_t     count)
-{
-    return read(fd, buffer, count);
-}
-
-ssize_t
-null_tapefd_write(
-    int                fd,
-    const void *buffer,
-    size_t     count)
-{
-    ssize_t write_count = (ssize_t)count;
-    off_t length;
-    off_t kbytes_left;
-    ssize_t r;
-
-    if (write_count <= 0) {
-       return 0;                               /* special case */
-    }
-
-    if ((length = tapefd_getinfo_length(fd)) > (off_t)0) {
-       kbytes_left = length - amount_written[fd];
-       if ((off_t)(write_count / 1024) > kbytes_left) {
-           write_count = (ssize_t)kbytes_left * 1024;
-       }
-    }
-    amount_written[fd] += (off_t)((write_count + 1023) / 1024);
-    if (write_count <= 0) {
-       errno = ENOSPC;
-       r = -1;
-    } else {
-       r = write(fd, buffer, (size_t)write_count);
-    }
-    return r;
-}
-
-int
-null_tapefd_close(
-    int        fd)
-{
-    return close(fd);
-}
-
-void
-null_tapefd_resetofs(
-    int        fd)
-{
-    (void)fd;  /* Quiet unused parameter warning */
-}
-
-int
-null_tapefd_status(
-    int                         fd,
-    struct am_mt_status *stat)
-{
-    (void)fd;  /* Quiet unused parameter warning */
-
-    memset((void *)stat, 0, SIZEOF(*stat));
-    stat->online_valid = 1;
-    stat->online = 1;
-    return 0;
-}
-
-int
-null_tape_stat(
-     char *      filename,
-     struct stat *buf)
-{
-    (void)filename;    /* Quiet unused parameter warning */
-
-     return stat("/dev/null", buf);
-}
-
-int
-null_tape_access(
-     char *    filename,
-     int       mode)
-{
-    (void)filename;    /* Quiet unused parameter warning */
-
-     return access("/dev/null", mode);
-}
-
-int
-null_tapefd_rewind(
-    int        fd)
-{
-    amount_written[fd] = (off_t)0;
-    return 0;
-}
-
-int
-null_tapefd_unload(
-    int        fd)
-{
-    amount_written[fd] = (off_t)0;
-    return 0;
-}
-
-int
-null_tapefd_fsf(
-    int                fd,
-    off_t      count)
-{
-    (void)fd;          /* Quiet unused parameter warning */
-    (void)count;       /* Quiet unused parameter warning */
-
-    return 0;
-}
-
-int
-null_tapefd_weof(
-    int                fd,
-    off_t      count)
-{
-    (void)fd;          /* Quiet unused parameter warning */
-    (void)count;       /* Quiet unused parameter warning */
-
-    return 0;
-}
-
-int 
-null_tapefd_can_fork(
-    int        fd)
-{
-    (void)fd;          /* Quiet unused parameter warning */
-
-    return 0;
-}
-