From 90b1e244870201e90a168f744f6af1fe9c41f0b6 Mon Sep 17 00:00:00 2001 From: Sergey Poznyakoff Date: Sat, 18 Dec 2004 20:07:04 +0000 Subject: [PATCH] (decode_options): Ignore --seek if used with --delete. Delete.c is based on the assumption that the archive is being actually read, not lseeked. --- src/tar.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/tar.c b/src/tar.c index 56a8e73..31d7d30 100644 --- a/src/tar.c +++ b/src/tar.c @@ -1464,6 +1464,18 @@ decode_options (int argc, char **argv) _("--occurrence cannot be used in the requested operation mode"))); } + if (seekable_archive && subcommand_option == DELETE_SUBCOMMAND) + { + /* The current code in delete.c is based on the assumption that + skip_member() reads all data from the archive. So, we should + make sure it won't use seeks. On the other hand, the same code + depends on the ability to backspace a record in the archive, + so setting seekable_archive to false is technically incorrect. + However, it is tested only in skip_member(), so it's not a + problem. */ + seekable_archive = false; + } + if (archive_names == 0) { /* If no archive file name given, try TAPE from the environment, or -- 2.44.0