/* * 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 #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) { unsigned int remaining = jump_size; unsigned int read_amount; RESERVE_CONFIG_BUFFER(buf, BUFSIZ); while (remaining > 0) { if (remaining > BUFSIZ) { read_amount = BUFSIZ; } else { read_amount = remaining; } read_amount = archive_xread(archive_handle, buf, read_amount); remaining -= read_amount; } RELEASE_CONFIG_BUFFER(buf); }