stand/libsa/pkgfs.c

52 	"pkg",
165 	struct package *pkg;
168 	pkg = NULL;
181 	error = new_package(fd, &pkg);
187 	if (pkg == NULL)
190 	pkg->pkg_chain = package;
191 	package = pkg;
221 	 * at the first filename that has the .pkg extension. This is
432 get_byte(struct package *pkg, off_t *op)
436 	if (pkg->pkg_zs.avail_in == 0) {
437 		c = read(pkg->pkg_fd, pkg->pkg_buf, PKG_BUFSIZE);
440 		pkg->pkg_zs.avail_in = c;
441 		pkg->pkg_zs.next_in = pkg->pkg_buf;
444 	c = *pkg->pkg_zs.next_in;
445 	pkg->pkg_zs.next_in++;
446 	pkg->pkg_zs.avail_in--;
452 get_zipped(struct package *pkg, void *buf, size_t bufsz)
456 	pkg->pkg_zs.next_out = buf;
457 	pkg->pkg_zs.avail_out = bufsz;
459 	while (pkg->pkg_zs.avail_out) {
460 		if (pkg->pkg_zs.avail_in == 0) {
461 			c = read(pkg->pkg_fd, pkg->pkg_buf, PKG_BUFSIZE);
466 			pkg->pkg_zs.avail_in = c;
467 			pkg->pkg_zs.next_in = pkg->pkg_buf;
470 		c = inflate(&pkg->pkg_zs, Z_SYNC_FLUSH);
477 	pkg->pkg_ofs += bufsz;
496 	struct package *pkg;
505 	pkg = tf->tf_pkg;
506 	if (pkg == NULL) {
518 	if (tf->tf_ofs != pkg->pkg_ofs) {
543 	return (get_zipped(pkg, tf->tf_cache, sz));
622 	 * Technically, GNU pkg considers a field to be in base-256
647 	struct package *pkg;
651 	pkg = malloc(sizeof(*pkg));
652 	if (pkg == NULL)
655 	bzero(pkg, sizeof(*pkg));
656 	pkg->pkg_fd = fd;
665 	if (get_byte(pkg, &ofs) != 0x1f || get_byte(pkg, &ofs) != 0x8b)
668 	if (get_byte(pkg, &ofs) != Z_DEFLATED)
671 	flags = get_byte(pkg, &ofs);
677 		if (get_byte(pkg, &ofs) == -1)
683 		i = (get_byte(pkg, &ofs) & 0xff) |
684 		    ((get_byte(pkg, &ofs) << 8) & 0xff);
686 			if (get_byte(pkg, &ofs) == -1)
694 			i = get_byte(pkg, &ofs);
703 			i = get_byte(pkg, &ofs);
714 		if (get_byte(pkg, &ofs) == -1)
716 		if (get_byte(pkg, &ofs) == -1)
723 	error = inflateInit2(&pkg->pkg_zs, -15);
727 	*pp = pkg;
731 	free(pkg);
736 scan_tarfile(struct package *pkg, struct tarfile *last)
743 	cur = (last != NULL) ? last->tf_next : pkg->pkg_first;
746 		    pkg->pkg_ofs;
750 		if (ofs < pkg->pkg_ofs) {
755 		if (ofs != pkg->pkg_ofs) {
756 			if (last != NULL && pkg->pkg_ofs == last->tf_ofs) {
760 				sz = ofs - pkg->pkg_ofs;
764 					if (get_zipped(pkg, buf, sz) == -1)
766 					sz = ofs - pkg->pkg_ofs;
775 		cur->tf_pkg = pkg;
778 			if (get_zipped(pkg, &cur->tf_hdr,
794 			cur->tf_ofs = pkg->pkg_ofs;
806 			while (pkg->pkg_ofs < ofs) {
807 				if (get_zipped(pkg, buf, sizeof(buf)) == -1) {
817 			pkg->pkg_first = cur;
818 		pkg->pkg_last = cur;