[njs] Added missing element in typeof table for DataView() type.

[Dmitry Volyntsev]

details:   https://hg.nginx.org/njs/rev/256421f5cca2
branches:  
changeset: 1787:256421f5cca2
user:      Artem S. Povalyukhin <artem.povaluhin at gmail.com>
date:      Fri Dec 24 10:00:15 2021 +0300
description:
Added missing element in typeof table for DataView() type.

Previously, typeof operation for DataView object resulted
in out of bounds array accessing.

This fixes #450 issue on Github.

diffstat:

 src/njs_vmcode.c         |  1 +
 src/test/njs_unit_test.c |  3 +++
 2 files changed, 4 insertions(+), 0 deletions(-)

diffs (24 lines):

diff -r 9e2e4d04dfc4 -r 256421f5cca2 src/njs_vmcode.c
--- a/src/njs_vmcode.c	Fri Dec 24 16:54:12 2021 +0000
+++ b/src/njs_vmcode.c	Fri Dec 24 10:00:15 2021 +0300
@@ -1516,6 +1516,7 @@ njs_vmcode_typeof(njs_vm_t *vm, njs_valu
         &njs_string_object,
         &njs_string_object,
         &njs_string_object,
+        &njs_string_object,
     };
 
     vm->retval = *types[value->type];
diff -r 9e2e4d04dfc4 -r 256421f5cca2 src/test/njs_unit_test.c
--- a/src/test/njs_unit_test.c	Fri Dec 24 16:54:12 2021 +0000
+++ b/src/test/njs_unit_test.c	Fri Dec 24 10:00:15 2021 +0300
@@ -6390,6 +6390,9 @@ static njs_unit_test_t  njs_test[] =
     { njs_str("(new DataView(new ArrayBuffer(3)))"),
       njs_str("[object DataView]") },
 
+    { njs_str("var x = new ArrayBuffer(3); [typeof x, typeof new DataView(x)]"),
+      njs_str("object,object") },
+
     { njs_str("(new DataView(new ArrayBuffer(3))).buffer"),
       njs_str("[object ArrayBuffer]") },