hush/libbb/get_tar_gz_headers.c

39 lines
1.3 KiB
C

/*
* 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 <stdio.h>
#include <unistd.h>
#include "libbb.h"
file_headers_t *get_tar_gz_headers(FILE *compressed_stream)
{
FILE *uncompressed_stream;
file_headers_t *tar_headers_tree;
int gunzip_pid;
int gz_fd ;
/* open a stream of decompressed data */
gz_fd = gz_open(compressed_stream, &gunzip_pid);
if (gz_fd == -1) {
error_msg("Couldnt initialise gzip stream");
}
uncompressed_stream = fdopen(gz_fd, "r");
tar_headers_tree = get_tar_headers(uncompressed_stream);
fclose(uncompressed_stream);
close(gz_fd);
gz_close(gunzip_pid);
return(tar_headers_tree);
}