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Support set -o xtrace/noexec alternates for set -x/-n

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Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Dan Fandrich 2010-11-20 13:05:17 -08:00 committed by Denys Vlasenko
parent 89ca2f99a2
commit 85c62470b7
1 changed files with 14 additions and 6 deletions
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20
shell/hush.c
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@ -673,9 +673,19 @@ struct function {
* vi off
* xtrace off
*/
static const char o_opt_strings[] ALIGN1 = "pipefail\0";
static const char o_opt_strings[] ALIGN1 =
"pipefail\0"
"noexec\0"
#if ENABLE_HUSH_MODE_X
"xtrace\0"
#endif
;
enum {
OPT_O_PIPEFAIL,
OPT_O_NOEXEC,
#if ENABLE_HUSH_MODE_X
OPT_O_XTRACE,
#endif
NUM_OPT_O
};
@ -734,10 +744,8 @@ struct globals {
*/
smallint flag_return_in_progress;
#endif
smallint n_mode;
#if ENABLE_HUSH_MODE_X
smallint x_mode;
# define G_x_mode (G.x_mode)
# define G_x_mode (G.o_opt[OPT_O_XTRACE])
#else
# define G_x_mode 0
#endif
@ -7304,7 +7312,7 @@ static int run_and_free_list(struct pipe *pi)
{
int rcode = 0;
debug_printf_exec("run_and_free_list entered\n");
if (!G.n_mode) {
if (!G.o_opt[OPT_O_NOEXEC]) {
debug_printf_exec(": run_list: 1st pipe with %d cmds\n", pi->num_cmds);
rcode = run_list(pi);
}
@ -7407,7 +7415,7 @@ static int set_mode(int state, char mode, const char *o_opt)
int idx;
switch (mode) {
case 'n':
G.n_mode = state;
G.o_opt[OPT_O_NOEXEC] = state;
break;
case 'x':
IF_HUSH_MODE_X(G_x_mode = state;)