libarchive/libarchive/archive_write_set_format_pax.c

44 struct pax {
76  * Set output format to 'restricted pax' format.
78  * This is the same as normal 'pax', but tries to suppress
79  * the pax header whenever possible.  This is the default for
89 	a->archive.archive_format_name = "restricted POSIX pax interchange";
94  * Set output format to 'pax' format.
100 	struct pax *pax;
105 	pax = (struct pax *)malloc(sizeof(*pax));
106 	if (pax == NULL) {
107 		archive_set_error(&a->archive, ENOMEM, "Can't allocate pax data");
110 	memset(pax, 0, sizeof(*pax));
111 	a->format_data = pax;
114 	a->format_name = "pax";
121 	a->archive.archive_format_name = "POSIX pax interchange";
297  * Add a key/value attribute to the pax header.  This function handles
346 archive_write_pax_header_xattrs(struct pax *pax, struct archive_entry *entry)
384 			add_pax_attr(&(pax->pax_header), s.s, encoded_value);
408 	struct pax *pax;
423 	pax = (struct pax *)a->format_data;
446 					"Can't allocate pax data");
471 	archive_string_empty(&(pax->pax_header)); /* Blank our work area. */
520 		add_pax_attr(&(pax->pax_header), "hdrcharset", hdrcharset);
525 	 * 'path' to pax extended attrs.  (Note that an unconvertible
531 		add_pax_attr_w(&(pax->pax_header), "path", path_w);
538 			add_pax_attr(&(pax->pax_header), "path", path);
541 			add_pax_attr_w(&(pax->pax_header),
576 					add_pax_attr(&(pax->pax_header),
580 					add_pax_attr_w(&(pax->pax_header),
593 		 * 'linkpath' to pax extended attrs. */
600 				add_pax_attr(&(pax->pax_header),
605 				 * pax extended attribute. */
606 				add_pax_attr_w(&(pax->pax_header),
620 	/* If file size is too large, add 'size' to pax extended attrs. */
622 		add_pax_attr_int(&(pax->pax_header), "size",
627 	/* If numeric GID is too large, add 'gid' to pax extended attrs. */
629 		add_pax_attr_int(&(pax->pax_header), "gid",
635 	 * 'gname' to pax extended attrs. */
642 				add_pax_attr(&(pax->pax_header),
645 				add_pax_attr_w(&(pax->pax_header),
652 	/* If numeric UID is too large, add 'uid' to pax extended attrs. */
654 		add_pax_attr_int(&(pax->pax_header), "uid",
659 	/* Add 'uname' to pax extended attrs if necessary. */
666 				add_pax_attr(&(pax->pax_header),
669 				add_pax_attr_w(&(pax->pax_header),
697 			add_pax_attr_int(&(pax->pax_header), "SCHILY.devmajor",
704 			 * value even if they don't understand the pax
718 			add_pax_attr_int(&(pax->pax_header), "SCHILY.devminor",
733 	 * high-resolution timestamp in "restricted pax" mode.
760 	 * The following items are handled differently in "pax
761 	 * restricted" format.  In particular, in "pax restricted"
772 			add_pax_attr_time(&(pax->pax_header), "mtime",
778 			add_pax_attr_time(&(pax->pax_header), "ctime",
784 			add_pax_attr_time(&(pax->pax_header), "atime",
792 			add_pax_attr_time(&(pax->pax_header),
800 			add_pax_attr(&(pax->pax_header), "SCHILY.fflags", p);
807 			add_pax_attr_w(&(pax->pax_header),
813 			add_pax_attr_w(&(pax->pax_header),
819 		add_pax_attr_int(&(pax->pax_header), "SCHILY.dev",
821 		add_pax_attr_int(&(pax->pax_header), "SCHILY.ino",
823 		add_pax_attr_int(&(pax->pax_header), "SCHILY.nlink",
827 		archive_write_pax_header_xattrs(pax, entry_original);
843 	 * XXX Full pax interchange format does permit a hardlink
847 	 * don't check here, then every pax archive will end up with
862 	 * for readers that don't support pax attribute extensions.
884 	if (archive_strlen(&(pax->pax_header)) > 0) {
896 		    archive_strlen(&(pax->pax_header)));
952 			pax->entry_bytes_remaining = 0;
953 			pax->entry_padding = 0;
957 		pax->entry_bytes_remaining = archive_strlen(&(pax->pax_header));
958 		pax->entry_padding = 0x1ff & (-(int64_t)pax->entry_bytes_remaining);
960 		r = (a->compressor.write)(a, pax->pax_header.s,
961 		    archive_strlen(&(pax->pax_header)));
967 		r = write_nulls(a, pax->entry_padding);
972 		pax->entry_bytes_remaining = pax->entry_padding = 0;
986 	pax->entry_bytes_remaining = archive_entry_size(entry_main);
987 	pax->entry_padding = 0x1ff & (-(int64_t)pax->entry_bytes_remaining);
1128  * The ustar header for the pax extended attributes must have a
1138  * practice, if the pax extended attributes get extracted as regular
1193 	 * TODO: Push this string into the 'pax' structure to avoid
1225 	struct pax *pax;
1227 	pax = (struct pax *)a->format_data;
1228 	if (pax == NULL)
1231 	archive_string_free(&pax->pax_header);
1232 	free(pax);
1240 	struct pax *pax;
1243 	pax = (struct pax *)a->format_data;
1244 	ret = write_nulls(a, pax->entry_bytes_remaining + pax->entry_padding);
1245 	pax->entry_bytes_remaining = pax->entry_padding = 0;
1268 	struct pax *pax;
1271 	pax = (struct pax *)a->format_data;
1272 	if (s > pax->entry_bytes_remaining)
1273 		s = pax->entry_bytes_remaining;
1276 	pax->entry_bytes_remaining -= s;