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Diffstat (limited to 'shell/hush.c')
-rw-r--r--shell/hush.c14
1 files changed, 12 insertions, 2 deletions
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;