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authorMartin Matuska <mm@FreeBSD.org>2011-12-21 11:09:24 +0000
committerMartin Matuska <mm@FreeBSD.org>2011-12-21 11:09:24 +0000
commitcaf54c4f6ce7f1612a528170c1aa3c3fe4f8b153 (patch)
treef053a72029402b6415c2ceb58bd4a5a0e1d2a288 /contrib/libarchive/libarchive/archive_write_open_fd.c
parent6703915ee782a606e8701060c827591d843d1e1d (diff)
parent4b16b4e80ed599fbac3f6e4427cd9fbb43d1ea1a (diff)
downloadsrc-caf54c4f6ce7f1612a528170c1aa3c3fe4f8b153.tar.gz
src-caf54c4f6ce7f1612a528170c1aa3c3fe4f8b153.zip
Copy libarchive from vendor branch to contrib
MFC after: 2 weeks
Notes
Notes: svn path=/head/; revision=228761
Diffstat (limited to 'contrib/libarchive/libarchive/archive_write_open_fd.c')
-rw-r--r--contrib/libarchive/libarchive/archive_write_open_fd.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/contrib/libarchive/libarchive/archive_write_open_fd.c b/contrib/libarchive/libarchive/archive_write_open_fd.c
new file mode 100644
index 000000000000..d5c426cf978c
--- /dev/null
+++ b/contrib/libarchive/libarchive/archive_write_open_fd.c
@@ -0,0 +1,144 @@
+/*-
+ * Copyright (c) 2003-2007 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "archive_platform.h"
+__FBSDID("$FreeBSD: head/lib/libarchive/archive_write_open_fd.c 201093 2009-12-28 02:28:44Z kientzle $");
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "archive.h"
+
+struct write_fd_data {
+ int fd;
+};
+
+static int file_close(struct archive *, void *);
+static int file_open(struct archive *, void *);
+static ssize_t file_write(struct archive *, void *, const void *buff, size_t);
+
+int
+archive_write_open_fd(struct archive *a, int fd)
+{
+ struct write_fd_data *mine;
+
+ mine = (struct write_fd_data *)malloc(sizeof(*mine));
+ if (mine == NULL) {
+ archive_set_error(a, ENOMEM, "No memory");
+ return (ARCHIVE_FATAL);
+ }
+ mine->fd = fd;
+#if defined(__CYGWIN__) || defined(_WIN32)
+ setmode(mine->fd, O_BINARY);
+#endif
+ return (archive_write_open(a, mine,
+ file_open, file_write, file_close));
+}
+
+static int
+file_open(struct archive *a, void *client_data)
+{
+ struct write_fd_data *mine;
+ struct stat st;
+
+ mine = (struct write_fd_data *)client_data;
+
+ if (fstat(mine->fd, &st) != 0) {
+ archive_set_error(a, errno, "Couldn't stat fd %d", mine->fd);
+ return (ARCHIVE_FATAL);
+ }
+
+ /*
+ * If this is a regular file, don't add it to itself.
+ */
+ if (S_ISREG(st.st_mode))
+ archive_write_set_skip_file(a, st.st_dev, st.st_ino);
+
+ /*
+ * If client hasn't explicitly set the last block handling,
+ * then set it here.
+ */
+ if (archive_write_get_bytes_in_last_block(a) < 0) {
+ /* If the output is a block or character device, fifo,
+ * or stdout, pad the last block, otherwise leave it
+ * unpadded. */
+ if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode) ||
+ S_ISFIFO(st.st_mode) || (mine->fd == 1))
+ /* Last block will be fully padded. */
+ archive_write_set_bytes_in_last_block(a, 0);
+ else
+ archive_write_set_bytes_in_last_block(a, 1);
+ }
+
+ return (ARCHIVE_OK);
+}
+
+static ssize_t
+file_write(struct archive *a, void *client_data, const void *buff, size_t length)
+{
+ struct write_fd_data *mine;
+ ssize_t bytesWritten;
+
+ mine = (struct write_fd_data *)client_data;
+ for (;;) {
+ bytesWritten = write(mine->fd, buff, length);
+ if (bytesWritten <= 0) {
+ if (errno == EINTR)
+ continue;
+ archive_set_error(a, errno, "Write error");
+ return (-1);
+ }
+ return (bytesWritten);
+ }
+}
+
+static int
+file_close(struct archive *a, void *client_data)
+{
+ struct write_fd_data *mine = (struct write_fd_data *)client_data;
+
+ (void)a; /* UNUSED */
+ free(mine);
+ return (ARCHIVE_OK);
+}