[PATCH 5/5] programs/cmd: Fix infinite loop in FOR /L.

[Eric Pouech]

From: Eric Pouech

Likely regression introduced by 86f3e21d659b3c94eccc42353467cbdbbbf80eeb.
FOR /L %v in () DO ...
should execute as an infinite loop.

Signed-off-by: Eric Pouech 
---
 programs/cmd/wcmdmain.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/programs/cmd/wcmdmain.c b/programs/cmd/wcmdmain.c
index ed9da89918d..84d3f52970e 100644
--- a/programs/cmd/wcmdmain.c
+++ b/programs/cmd/wcmdmain.c
@@ -3614,8 +3614,13 @@ static RETURN_CODE for_control_execute_numbers(CMD_FOR_CONTROL *for_ctrl, CMD_NO
     int numbers[3] = {0, 0, 0}, var;
     int i;

-    wcscpy(set, for_ctrl->set);
-    handleExpansion(set, TRUE);
+    if (for_ctrl->set)
+    {
+        wcscpy(set, for_ctrl->set);
+        handleExpansion(set, TRUE);
+    }
+    else
+        set[0] = L'\0';

/* Note: native doesn't check the actual number of parameters, and set
      * them by default to 0.
@@ -3648,7 +3653,7 @@ static RETURN_CODE for_control_execute(CMD_FOR_CONTROL *for_ctrl, CMD_NODE *node
 {
     RETURN_CODE return_code;

-    if (!for_ctrl->set) return NO_ERROR;
+    if (!for_ctrl->set && for_ctrl->operator != CMD_FOR_NUMBERS) return NO_ERROR;

WCMD_save_for_loop_context(FALSE);