diff options
Diffstat (limited to 'lib/libarchive/archive_read_data_into_fd.c')
| -rw-r--r-- | lib/libarchive/archive_read_data_into_fd.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/lib/libarchive/archive_read_data_into_fd.c b/lib/libarchive/archive_read_data_into_fd.c deleted file mode 100644 index b2421bb..0000000 --- a/lib/libarchive/archive_read_data_into_fd.c +++ /dev/null @@ -1,93 +0,0 @@ -/*- - * 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("$FreeBSD$"); - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "archive.h" -#include "archive_private.h" - -/* Maximum amount of data to write at one time. */ -#define MAX_WRITE (1024 * 1024) - -/* - * This implementation minimizes copying of data and is sparse-file aware. - */ -int -archive_read_data_into_fd(struct archive *a, int fd) -{ - int r; - const void *buff; - size_t size, bytes_to_write; - ssize_t bytes_written, total_written; - off_t offset; - off_t output_offset; - - __archive_check_magic(a, ARCHIVE_READ_MAGIC, ARCHIVE_STATE_DATA, "archive_read_data_into_fd"); - - total_written = 0; - output_offset = 0; - - while ((r = archive_read_data_block(a, &buff, &size, &offset)) == - ARCHIVE_OK) { - const char *p = buff; - if (offset > output_offset) { - output_offset = lseek(fd, - offset - output_offset, SEEK_CUR); - if (output_offset != offset) { - archive_set_error(a, errno, "Seek error"); - return (ARCHIVE_FATAL); - } - } - while (size > 0) { - bytes_to_write = size; - if (bytes_to_write > MAX_WRITE) - bytes_to_write = MAX_WRITE; - bytes_written = write(fd, p, bytes_to_write); - if (bytes_written < 0) { - archive_set_error(a, errno, "Write error"); - return (ARCHIVE_FATAL); - } - output_offset += bytes_written; - total_written += bytes_written; - p += bytes_written; - size -= bytes_written; - } - } - - if (r != ARCHIVE_EOF) - return (r); - return (ARCHIVE_OK); -} |
