2 * Copyright (c) 2003-2007 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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include "archive_platform.h"
27 __FBSDID("$FreeBSD: head/lib/libarchive/archive_write_open_fd.c 201093 2009-12-28 02:28:44Z kientzle $");
29 #ifdef HAVE_SYS_STAT_H
53 struct write_fd_data {
57 static int file_close(struct archive *, void *);
58 static int file_open(struct archive *, void *);
59 static ssize_t file_write(struct archive *, void *, const void *buff, size_t);
62 archive_write_open_fd(struct archive *a, int fd)
64 struct write_fd_data *mine;
66 mine = (struct write_fd_data *)malloc(sizeof(*mine));
68 archive_set_error(a, ENOMEM, "No memory");
69 return (ARCHIVE_FATAL);
72 #if defined(__CYGWIN__) || defined(_WIN32)
73 setmode(mine->fd, O_BINARY);
75 return (archive_write_open(a, mine,
76 file_open, file_write, file_close));
80 file_open(struct archive *a, void *client_data)
82 struct write_fd_data *mine;
85 mine = (struct write_fd_data *)client_data;
87 if (fstat(mine->fd, &st) != 0) {
88 archive_set_error(a, errno, "Couldn't stat fd %d", mine->fd);
89 return (ARCHIVE_FATAL);
93 * If this is a regular file, don't add it to itself.
95 if (S_ISREG(st.st_mode))
96 archive_write_set_skip_file(a, st.st_dev, st.st_ino);
99 * If client hasn't explicitly set the last block handling,
102 if (archive_write_get_bytes_in_last_block(a) < 0) {
103 /* If the output is a block or character device, fifo,
104 * or stdout, pad the last block, otherwise leave it
106 if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode) ||
107 S_ISFIFO(st.st_mode) || (mine->fd == 1))
108 /* Last block will be fully padded. */
109 archive_write_set_bytes_in_last_block(a, 0);
111 archive_write_set_bytes_in_last_block(a, 1);
118 file_write(struct archive *a, void *client_data, const void *buff, size_t length)
120 struct write_fd_data *mine;
121 ssize_t bytesWritten;
123 mine = (struct write_fd_data *)client_data;
125 bytesWritten = write(mine->fd, buff, length);
126 if (bytesWritten <= 0) {
129 archive_set_error(a, errno, "Write error");
132 return (bytesWritten);
137 file_close(struct archive *a, void *client_data)
139 struct write_fd_data *mine = (struct write_fd_data *)client_data;
141 (void)a; /* UNUSED */