release/src/router/busybox/archival/libarchive/unpack_ar_archive.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   4  */
   5
   6 #include "libbb.h"
   7 #include "bb_archive.h"
   8 #include "ar.h"
   9
  10 void FAST_FUNC unpack_ar_archive(archive_handle_t *ar_archive)
  11 {
  12         char magic[7];
  13
  14         xread(ar_archive->src_fd, magic, AR_MAGIC_LEN);
  15         if (strncmp(magic, AR_MAGIC, AR_MAGIC_LEN) != 0) {
  16                 bb_error_msg_and_die("invalid ar magic");
  17         }
  18         ar_archive->offset += AR_MAGIC_LEN;
  19
  20         while (get_header_ar(ar_archive) == EXIT_SUCCESS)
  21                 continue;
  22 }