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libunarchive: stop using static data in archivers - archive_handle_t

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can trivially provide space for that.
rpm: code shrink
tar: simplify autodetection of bz2/.gz


function                                             old     new   delta
static.not_first                                       1       -      -1
static.end                                             1       -      -1
bb_makedev                                            51      49      -2
static.saved_hardlinks_created                         4       -      -4
static.saved_hardlinks                                 4       -      -4
longname                                               4       -      -4
linkname                                               4       -      -4
hash_file                                            251     247      -4
get_header_tar                                      1528    1521      -7
rpm_main                                            1711    1697     -14
get_header_cpio                                      965     944     -21
------------------------------------------------------------------------------
(add/remove: 0/6 grow/shrink: 0/5 up/down: 0/-66)             Total: -66 bytes
   text    data     bss     dec     hex filename
 804926     611    6868  812405   c6575 busybox_old
 804878     611    6852  812341   c6535 busybox_unstripped
This commit is contained in:
Denis Vlasenko
2008-06-28 05:04:09 +00:00
parent 9579d87be4
commit a60936da06
11 changed files with 89 additions and 86 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
archival/tar.c
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@@ -814,9 +814,9 @@ int tar_main(int argc ATTRIBUTE_UNUSED, char **argv)
/* Initialise default values */
tar_handle = init_handle();
tar_handle->flags = ARCHIVE_CREATE_LEADING_DIRS
| ARCHIVE_PRESERVE_DATE
| ARCHIVE_EXTRACT_UNCONDITIONAL;
tar_handle->ah_flags = ARCHIVE_CREATE_LEADING_DIRS
| ARCHIVE_PRESERVE_DATE
| ARCHIVE_EXTRACT_UNCONDITIONAL;
/* Prepend '-' to the first argument if required */
opt_complementary = "--:" // first arg is options
@@ -862,13 +862,13 @@ int tar_main(int argc ATTRIBUTE_UNUSED, char **argv)
tar_handle->action_data = data_extract_to_stdout;
if (opt & OPT_KEEP_OLD)
tar_handle->flags &= ~ARCHIVE_EXTRACT_UNCONDITIONAL;
tar_handle->ah_flags &= ~ARCHIVE_EXTRACT_UNCONDITIONAL;
if (opt & OPT_NOPRESERVE_OWN)
tar_handle->flags |= ARCHIVE_NOPRESERVE_OWN;
tar_handle->ah_flags |= ARCHIVE_NOPRESERVE_OWN;
if (opt & OPT_NOPRESERVE_PERM)
tar_handle->flags |= ARCHIVE_NOPRESERVE_PERM;
tar_handle->ah_flags |= ARCHIVE_NOPRESERVE_PERM;
if (opt & OPT_GZIP)
get_header_ptr = get_header_tar_gz;