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3 Commits

Author SHA1 Message Date
Denys Vlasenko
00243b0a1a hush: fix exit code propagation from cmd. +45 bytes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-16 02:00:03 +01:00
Denys Vlasenko
f37eb3999b hush: fix handling of empty arguments 
function                                             old     new   delta
builtin_exec                                          25      83     +58
parse_stream                                        2242    2261     +19
run_pipe                                            1782    1787      +5
static.pseudo_null_str                                 -       3      +3
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(add/remove: 1/0 grow/shrink: 3/0 up/down: 85/0)               Total: 85 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-18 11:46:35 +02:00
Mike Frysinger
28736c36ca hush: handle empty execs 
Sometimes variable expansions yield empty strings, and if they happen to
be a command someone wants to run like `$foo`, then hush currently
segfaults.  So handle `` and $().

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-10-18 01:15:36 -04:00