diff options
Diffstat (limited to 'busybox/archival/libunarchive/seek_by_char.c')
-rw-r--r-- | busybox/archival/libunarchive/seek_by_char.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/busybox/archival/libunarchive/seek_by_char.c b/busybox/archival/libunarchive/seek_by_char.c new file mode 100644 index 0000000..a50d566 --- /dev/null +++ b/busybox/archival/libunarchive/seek_by_char.c @@ -0,0 +1,32 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Library General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <stdlib.h> + +#include "unarchive.h" +#include "busybox.h" + +/* If we are reading through a pipe(), or from stdin then we cant lseek, + * we must read and discard the data to skip over it. + * + * TODO: rename to seek_by_read + */ +extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int jump_size) +{ + if (jump_size) { + bb_copyfd_size(archive_handle->src_fd, -1, jump_size); + } +} |