2 * Copyright (c) 2003-2004 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include "archive_platform.h"
28 __FBSDID("$FreeBSD: src/lib/libarchive/archive_write_open_fd.c,v 1.4 2004/10/17 23:47:30 kientzle Exp $");
37 #include "archive_private.h"
39 struct write_fd_data
{
44 static int file_close(struct archive
*, void *);
45 static int file_open(struct archive
*, void *);
46 static ssize_t
file_write(struct archive
*, void *, void *buff
, size_t);
49 archive_write_open_fd(struct archive
*a
, int fd
)
51 struct write_fd_data
*mine
;
53 mine
= malloc(sizeof(*mine
));
55 archive_set_error(a
, ENOMEM
, "No memory");
56 return (ARCHIVE_FATAL
);
59 return (archive_write_open(a
, mine
,
60 file_open
, file_write
, file_close
));
64 file_open(struct archive
*a
, void *client_data
)
66 struct write_fd_data
*mine
;
73 * If client hasn't explicitly set the last block handling,
74 * then set it here: If the output is a block or character
75 * device, pad the last block, otherwise leave it unpadded.
77 if (mine
->fd
>= 0 && a
->bytes_in_last_block
< 0) {
78 /* Last block will be fully padded. */
79 if (fstat(mine
->fd
, &st
) == 0) {
81 if (S_ISCHR(st
.st_mode
) || S_ISBLK(st
.st_mode
) ||
83 archive_write_set_bytes_in_last_block(a
, 0);
85 archive_write_set_bytes_in_last_block(a
, 1);
90 if (a
->bytes_in_last_block
< 0) /* Still default? */
91 /* Last block will be fully padded. */
92 archive_write_set_bytes_in_last_block(a
, 0);
96 archive_set_error(a
, errno
, "Failed to open");
97 return (ARCHIVE_FATAL
);
100 if (pst
== NULL
&& fstat(mine
->fd
, &st
) == 0)
103 archive_set_error(a
, errno
, "Couldn't stat fd %d", mine
->fd
);
104 return (ARCHIVE_FATAL
);
111 file_write(struct archive
*a
, void *client_data
, void *buff
, size_t length
)
113 struct write_fd_data
*mine
;
114 ssize_t bytesWritten
;
117 bytesWritten
= write(mine
->fd
, buff
, length
);
118 if (bytesWritten
<= 0) {
119 archive_set_error(a
, errno
, "Write error");
122 return (bytesWritten
);
126 file_close(struct archive
*a
, void *client_data
)
128 struct write_fd_data
*mine
= client_data
;
130 (void)a
; /* UNUSED */