49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <unistd.h>
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#include "libbb.h"
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#include "unarchive.h"
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/* Copy CHUNKSIZE bytes (or untill EOF if chunksize == -1)
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* from SRC_FILE to DST_FILE. */
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extern void archive_copy_file(const archive_handle_t *archive_handle, const int dst_fd)
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{
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size_t size;
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char buffer[BUFSIZ];
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off_t chunksize = archive_handle->file_header->size;
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while (chunksize != 0) {
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if (chunksize > BUFSIZ) {
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size = BUFSIZ;
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} else {
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size = chunksize;
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}
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archive_xread_all(archive_handle, buffer, size);
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if (write(dst_fd, buffer, size) != size) {
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error_msg_and_die ("Short write");
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}
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if (chunksize != -1) {
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chunksize -= size;
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}
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}
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return;
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}
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