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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2010-06-26 18:22:41 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-06-26 18:22:41 +0200 |
| commit | b768aeb164d361d1ca2c8f6c091e93442f072656 (patch) | |
| tree | 7cd91b9057fcfcea857ea8f96de1d1adac970bab | |
| parent | 52827e3ebcd80f634f990030ee697254a0ae517d (diff) | |
| download | busybox-b768aeb164d361d1ca2c8f6c091e93442f072656.tar.gz | |
tar: make typical extraction less memory-hungry
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | archival/libunarchive/get_header_tar.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c index 01c10433e..21bbc9715 100644 --- a/archival/libunarchive/get_header_tar.c +++ b/archival/libunarchive/get_header_tar.c @@ -436,9 +436,11 @@ char FAST_FUNC get_header_tar(archive_handle_t *archive_handle) /* (like GNU tar 1.15.1: verbose mode outputs "dir/dir/") */ if (cp) *cp = '\0'; - //archive_handle->ah_flags |= ARCHIVE_EXTRACT_QUIET; // why?? archive_handle->action_data(archive_handle); - llist_add_to(&(archive_handle->passed), file_header->name); + if (archive_handle->accept || archive_handle->reject) + llist_add_to(&archive_handle->passed, file_header->name); + else /* Caller isn't interested in list of unpacked files */ + free(file_header->name); } else { data_skip(archive_handle); free(file_header->name); @@ -446,7 +448,8 @@ char FAST_FUNC get_header_tar(archive_handle_t *archive_handle) archive_handle->offset += file_header->size; free(file_header->link_target); - /* Do not free(file_header->name)! (why?) */ + /* Do not free(file_header->name)! + * It might be inserted in archive_handle->passed - see above */ #if ENABLE_FEATURE_TAR_UNAME_GNAME free(file_header->tar__uname); free(file_header->tar__gname); |