035486c750
New code is similar to what hush is doing.
Make CLOSED to -1: same as dash.
popredir() loses "restore" parameter: same as dash.
COPYFD_RESTORE bit is no longer necessary.
This change fixes this interactive bug:
$ ls -l /proc/$$/fd 10>&-
ash: can't set tty process group: Bad file descriptor
ash: can't set tty process group: Bad file descriptor
[1]+ Done(2) ls -l /proc/${\$}/fd 10>&4294967295
function old new delta
unwindredir 29 27 -2
tryexec 154 152 -2
evaltree 503 501 -2
evalcommand 1369 1367 -2
cmdloop 187 185 -2
redirect 1029 1018 -11
popredir 153 123 -30
need_to_remember 36 - -36
is_hidden_fd 68 - -68
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 0/7 up/down: 0/-155) Total: -155 bytes
text data bss dec hex filename
914572 485 6848 921905 e1131 busybox_old
914553 485 6848 921886 e111e busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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| .. | ||
| ash-alias | ||
| ash-arith | ||
| ash-glob | ||
| ash-heredoc | ||
| ash-invert | ||
| ash-misc | ||
| ash-parsing | ||
| ash-psubst | ||
| ash-quoting | ||
| ash-read | ||
| ash-redir | ||
| ash-signals | ||
| ash-standalone | ||
| ash-vars | ||
| .gitignore | ||
| printenv.c | ||
| recho.c | ||
| run-all | ||
| zecho.c | ||