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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-08-05 13:10:34 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-08-05 13:10:34 +0000
commite9ad84dfd4c7eb2936374f02989dacf7026a7276 (patch)
tree37412d21c0a2ccec7c162e0fb42833058f5934e3 /archival/rpm.c
parent9b44613202a6f2f080ec23746d0680dcef88628d (diff)
downloadbusybox-e9ad84dfd4c7eb2936374f02989dacf7026a7276.tar.gz
busybox-e9ad84dfd4c7eb2936374f02989dacf7026a7276.tar.bz2
*: refactor handling of archived files. "tar f file.tar.lzma" now works too.
function old new delta unpack_Z_stream - 1229 +1229 open_zipped - 176 +176 unpack_bz2_stream_prime - 60 +60 tar_main 642 677 +35 find_main 406 418 +12 sv_main 1222 1233 +11 decode_format_string 829 837 +8 cmp_main 641 649 +8 popstring 134 140 +6 filter_accept_list_reassign 120 125 +5 parse_and_put_prompt 800 804 +4 passwd_main 1053 1049 -4 make_new_name_gunzip 119 114 -5 rpm_main 1688 1670 -18 prepare 302 283 -19 xmalloc_open_zipped_read_close 135 61 -74 uncompress 1229 - -1229 ------------------------------------------------------------------------------ (add/remove: 3/1 grow/shrink: 8/5 up/down: 1554/-1349) Total: 205 bytes
Diffstat (limited to 'archival/rpm.c')
-rw-r--r--archival/rpm.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/archival/rpm.c b/archival/rpm.c
index e6dd3d853..e1f3c8930 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -206,27 +206,27 @@ static void extract_cpio_gz(int fd)
archive_handle->src_fd = fd;
/*archive_handle->offset = 0; - init_handle() did it */
+// TODO: open_zipped does the same
+
xread(archive_handle->src_fd, &magic, 2);
#if BB_MMU
xformer = unpack_gz_stream;
#else
xformer_prog = "gunzip";
#endif
- if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
- if (ENABLE_FEATURE_RPM_BZ2
- && (magic[0] == 0x42) && (magic[1] == 0x5a)) {
+ if (magic[0] != 0x1f || magic[1] != 0x8b) {
+ if (!ENABLE_FEATURE_SEAMLESS_BZ2
+ || magic[0] != 'B' || magic[1] != 'Z'
+ ) {
+ bb_error_msg_and_die("no gzip"
+ USE_FEATURE_SEAMLESS_BZ2("/bzip2")
+ " magic");
+ }
#if BB_MMU
- xformer = unpack_bz2_stream;
+ xformer = unpack_bz2_stream;
#else
- xformer_prog = "bunzip2";
+ xformer_prog = "bunzip2";
#endif
- /* We can do better, need modifying unpack_bz2_stream to not require
- * first 2 bytes. Not very hard to do... I mean, TODO :) */
- xlseek(archive_handle->src_fd, -2, SEEK_CUR);
- } else
- bb_error_msg_and_die("no gzip"
- USE_FEATURE_RPM_BZ2("/bzip")
- " magic");
} else {
#if !BB_MMU
/* NOMMU version of open_transformer execs an external unzipper that should