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-rw-r--r--shell/ash.c4
-rw-r--r--shell/ash_test/ash-misc/nulltick1.right3
-rwxr-xr-xshell/ash_test/ash-misc/nulltick1.tests3
3 files changed, 8 insertions, 2 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 798d15a4c..7f14bedb5 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -4539,7 +4539,7 @@ forkchild(struct job *jp, union node *n, int mode)
if (mode == FORK_NOJOB /* is it `xxx` ? */
&& n && n->type == NCMD /* is it single cmd? */
/* && n->ncmd.args->type == NARG - always true? */
- && strcmp(n->ncmd.args->narg.text, "trap") == 0
+ && n->ncmd.args && strcmp(n->ncmd.args->narg.text, "trap") == 0
&& n->ncmd.args->narg.next == NULL /* "trap" with no arguments */
/* && n->ncmd.args->narg.backquote == NULL - do we need to check this? */
) {
@@ -4627,7 +4627,7 @@ forkchild(struct job *jp, union node *n, int mode)
}
#if JOBS
if (n && n->type == NCMD
- && strcmp(n->ncmd.args->narg.text, "jobs") == 0
+ && n->ncmd.args && strcmp(n->ncmd.args->narg.text, "jobs") == 0
) {
TRACE(("Job hack\n"));
/* "jobs": we do not want to clear job list for it,
diff --git a/shell/ash_test/ash-misc/nulltick1.right b/shell/ash_test/ash-misc/nulltick1.right
new file mode 100644
index 000000000..f90b8209e
--- /dev/null
+++ b/shell/ash_test/ash-misc/nulltick1.right
@@ -0,0 +1,3 @@
+Test 1
+Test 2
+Done
diff --git a/shell/ash_test/ash-misc/nulltick1.tests b/shell/ash_test/ash-misc/nulltick1.tests
new file mode 100755
index 000000000..f81923de3
--- /dev/null
+++ b/shell/ash_test/ash-misc/nulltick1.tests
@@ -0,0 +1,3 @@
+echo Test ` ` 1
+echo Test `</dev/null` 2
+echo Done