stand/libsa/pkgfs.c

51 	"pkg",
163 	struct package *pkg;
166 	pkg = NULL;
179 	error = new_package(fd, &pkg);
185 	if (pkg == NULL)
188 	pkg->pkg_chain = package;
189 	package = pkg;
219 	 * at the first filename that has the .pkg extension. This is
421 get_byte(struct package *pkg, off_t *op)
425 	if (pkg->pkg_zs.avail_in == 0) {
426 		c = read(pkg->pkg_fd, pkg->pkg_buf, PKG_BUFSIZE);
429 		pkg->pkg_zs.avail_in = c;
430 		pkg->pkg_zs.next_in = pkg->pkg_buf;
433 	c = *pkg->pkg_zs.next_in;
434 	pkg->pkg_zs.next_in++;
435 	pkg->pkg_zs.avail_in--;
441 get_zipped(struct package *pkg, void *buf, size_t bufsz)
445 	pkg->pkg_zs.next_out = buf;
446 	pkg->pkg_zs.avail_out = bufsz;
448 	while (pkg->pkg_zs.avail_out) {
449 		if (pkg->pkg_zs.avail_in == 0) {
450 			c = read(pkg->pkg_fd, pkg->pkg_buf, PKG_BUFSIZE);
455 			pkg->pkg_zs.avail_in = c;
456 			pkg->pkg_zs.next_in = pkg->pkg_buf;
459 		c = inflate(&pkg->pkg_zs, Z_SYNC_FLUSH);
466 	pkg->pkg_ofs += bufsz;
473 	struct package *pkg;
482 	pkg = tf->tf_pkg;
483 	if (pkg == NULL) {
489 	if (tf->tf_ofs != pkg->pkg_ofs) {
513 	return (get_zipped(pkg, tf->tf_cache, sz));
592 	 * Technically, GNU pkg considers a field to be in base-256
617 	struct package *pkg;
621 	pkg = malloc(sizeof(*pkg));
622 	if (pkg == NULL)
625 	bzero(pkg, sizeof(*pkg));
626 	pkg->pkg_fd = fd;
635 	if (get_byte(pkg, &ofs) != 0x1f || get_byte(pkg, &ofs) != 0x8b)
638 	if (get_byte(pkg, &ofs) != Z_DEFLATED)
641 	flags = get_byte(pkg, &ofs);
647 		if (get_byte(pkg, &ofs) == -1)
653 		i = (get_byte(pkg, &ofs) & 0xff) |
654 		    ((get_byte(pkg, &ofs) << 8) & 0xff);
656 			if (get_byte(pkg, &ofs) == -1)
664 			i = get_byte(pkg, &ofs);
673 			i = get_byte(pkg, &ofs);
684 		if (get_byte(pkg, &ofs) == -1)
686 		if (get_byte(pkg, &ofs) == -1)
693 	error = inflateInit2(&pkg->pkg_zs, -15);
697 	*pp = pkg;
701 	free(pkg);
706 scan_tarfile(struct package *pkg, struct tarfile *last)
713 	cur = (last != NULL) ? last->tf_next : pkg->pkg_first;
716 		    pkg->pkg_ofs;
720 		if (ofs < pkg->pkg_ofs) {
725 		if (ofs != pkg->pkg_ofs) {
726 			if (last != NULL && pkg->pkg_ofs == last->tf_ofs) {
730 				sz = ofs - pkg->pkg_ofs;
734 					if (get_zipped(pkg, buf, sz) == -1)
736 					sz = ofs - pkg->pkg_ofs;
745 		cur->tf_pkg = pkg;
748 			if (get_zipped(pkg, &cur->tf_hdr,
764 			cur->tf_ofs = pkg->pkg_ofs;
776 			while (pkg->pkg_ofs < ofs) {
777 				if (get_zipped(pkg, buf, sizeof(buf)) == -1) {
787 			pkg->pkg_first = cur;
788 		pkg->pkg_last = cur;