From a8b6dff97f353c41e208e7e567f100a6c7af4605 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Fri, 20 Mar 2009 12:05:14 +0000 Subject: hush: fix bug 207 and "hush -c" parameter passing. Now hush -c 'printf "%s\n" "$@"' (prints "\n") and hush -c 'printf "%s\n" "$@"' qwe asd (prints "asd\n") both work correctly --- shell/hush.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'shell/hush.c') diff --git a/shell/hush.c b/shell/hush.c index e6189f841..bfd487cfb 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -1219,8 +1219,13 @@ static int o_glob(o_string *o, int n) * Otherwise, just finish current list[] and start new */ static int o_save_ptr(o_string *o, int n) { - if (o->o_glob) - return o_glob(o, n); /* o_save_ptr_helper is inside */ + if (o->o_glob) { /* if globbing is requested */ + /* If o->has_empty_slot, list[n] was already globbed + * (if it was requested back then when it was filled) + * so don't do that again! */ + if (!o->has_empty_slot) + return o_glob(o, n); /* o_save_ptr_helper is inside */ + } return o_save_ptr_helper(o, n); } @@ -4285,6 +4290,11 @@ int hush_main(int argc, char **argv) switch (opt) { case 'c': G.global_argv = argv + optind; + if (!argv[optind]) { + /* -c 'script' (no params): prevent empty $0 */ + *--G.global_argv = argv[0]; + optind--; + } /* else -c 'script' PAR0 PAR1: $0 is PAR0 */ G.global_argc = argc - optind; opt = parse_and_run_string(optarg, 0 /* parse_flag */); goto final_return; -- cgit v1.2.3