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[njs] Allowing to create external objects with NULL external pointer.

Dmitry Volyntsev
August 19, 2021 12:20PM
details: https://hg.nginx.org/njs/rev/0fb3ced41fdc
branches:
changeset: 1688:0fb3ced41fdc
user: Dmitry Volyntsev <xeioex@nginx.com>
date: Fri Aug 13 12:20:46 2021 +0000
description:
Allowing to create external objects with NULL external pointer.

diffstat:

src/njs_extern.c | 8 ++------
src/test/njs_unit_test.c | 12 ++++++++++--
2 files changed, 12 insertions(+), 8 deletions(-)

diffs (75 lines):

diff -r 377743cd9059 -r 0fb3ced41fdc src/njs_extern.c
--- a/src/njs_extern.c Wed Aug 11 11:44:12 2021 +0800
+++ b/src/njs_extern.c Fri Aug 13 12:20:46 2021 +0000
@@ -179,12 +179,6 @@ njs_external_prop_handler(njs_vm_t *vm,
*retval = *setval;

} else {
- external = njs_vm_external(vm, NJS_PROTO_ID_ANY, value);
- if (njs_slow_path(external == NULL)) {
- njs_value_undefined_set(retval);
- return NJS_OK;
- }
-
ov = njs_mp_alloc(vm->mem_pool, sizeof(njs_object_value_t));
if (njs_slow_path(ov == NULL)) {
njs_memory_error(vm);
@@ -203,6 +197,8 @@ njs_external_prop_handler(njs_vm_t *vm,
ov->object.__proto__ = &vm->prototypes[NJS_OBJ_TYPE_OBJECT].object;
ov->object.slots = slots;

+ external = njs_vm_external(vm, NJS_PROTO_ID_ANY, value);
+
njs_set_data(&ov->value, external, njs_value_external_tag(value));
njs_set_object_value(retval, ov);
}
diff -r 377743cd9059 -r 0fb3ced41fdc src/test/njs_unit_test.c
--- a/src/test/njs_unit_test.c Wed Aug 11 11:44:12 2021 +0800
+++ b/src/test/njs_unit_test.c Fri Aug 13 12:20:46 2021 +0000
@@ -20862,7 +20862,8 @@ static njs_unit_test_t njs_shared_test[
njs_str("false") },

{ njs_str("isFin()"),
- njs_str("ReferenceError: \"isFin\" is not defined") },
+ njs_str("ReferenceError: \"isFin\" is not defined\n"
+ " at main (:1)\n") },

{ njs_str("isNaN(function(){})"),
njs_str("true") },
@@ -20918,6 +20919,11 @@ static njs_unit_test_t njs_shared_test[

{ njs_str("$r.bind('XXX', 37); XXX"),
njs_str("37") },
+
+ { njs_str("var fs = require('fs'); fs.readFileSync()"),
+ njs_str("TypeError: \"path\" must be a string or Buffer\n"
+ " at fs.readFileSync (native)\n"
+ " at main (:1)\n") },
};


@@ -21403,6 +21409,7 @@ typedef struct {
njs_bool_t module;
njs_uint_t repeat;
njs_bool_t unsafe;
+ njs_bool_t backtrace;
} njs_opts_t;


@@ -21456,6 +21463,7 @@ njs_unit_test(njs_unit_test_t tests[], s

options.module = opts->module;
options.unsafe = opts->unsafe;
+ options.backtrace = opts->backtrace;

vm = njs_vm_create(&options);
if (vm == NULL) {
@@ -22829,7 +22837,7 @@ static njs_test_suite_t njs_suites[] =
njs_unit_test },

{ njs_str("shared"),
- { .externals = 1, .repeat = 128, .unsafe = 1 },
+ { .externals = 1, .repeat = 128, .unsafe = 1, .backtrace = 1 },
njs_shared_test,
njs_nitems(njs_shared_test),
njs_unit_test },
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[njs] Allowing to create external objects with NULL external pointer.

Dmitry Volyntsev 302 August 19, 2021 12:20PM



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