text: /* vi: set sw=4 ts=4: */
  /*
   *  Copyright (C) 2002 by Glenn McGrath
   *
   * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
   */
  
  #include "libbb.h"
  #include "unarchive.h"
  
  /* Built and used only if ENABLE_DPKG || ENABLE_DPKG_DEB */
  
  /*
   * Reassign the subarchive metadata parser based on the filename extension
   * e.g. if its a .tar.gz modify archive_handle->sub_archive to process a .tar.gz
   * or if its a .tar.bz2 make archive_handle->sub_archive handle that
   */
  char FAST_FUNC filter_accept_list_reassign(archive_handle_t *archive_handle)
  {
  	/* Check the file entry is in the accept list */
  	if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {
  		const char *name_ptr;
  
  		/* Find extension */
  		name_ptr = strrchr(archive_handle->file_header->name, '.');
  		if (!name_ptr)
  			return EXIT_FAILURE;
  		name_ptr++;
  
  		/* Modify the subarchive handler based on the extension */
  		if (ENABLE_FEATURE_SEAMLESS_GZ
  		 && strcmp(name_ptr, "gz") == 0
  		) {
  			archive_handle->dpkg__action_data_subarchive = get_header_tar_gz;
  			return EXIT_SUCCESS;
  		}
  		if (ENABLE_FEATURE_SEAMLESS_BZ2
  		 && strcmp(name_ptr, "bz2") == 0
  		) {
  			archive_handle->dpkg__action_data_subarchive = get_header_tar_bz2;
  			return EXIT_SUCCESS;
  		}
  		if (ENABLE_FEATURE_SEAMLESS_LZMA
  		 && strcmp(name_ptr, "lzma") == 0
  		) {
  			archive_handle->dpkg__action_data_subarchive = get_header_tar_lzma;
  			return EXIT_SUCCESS;
  		}
  	}
  	return EXIT_FAILURE;
  }
  