archive-gh-me/jerryscript
1
0
Fork 0
mirror of https://github.com/jerryscript-project/jerryscript.git synced 2025-12-15 16:29:21 +00:00
Code Issues Projects Releases Wiki Activity

Do not allocate memory for zero length strings. (#1844)

Browse Source 
Fixes #1821.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg 2017-05-22 13:17:08 +02:00 committed by GitHub
parent a504fd0333
commit e58f2880df
2 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
jerry-core/parser/js/js-lexer.c
View File

@ -1197,6 +1197,11 @@ lexer_process_char_literal (parser_context_t *context_p, /**< context */
parser_raise_error (context_p, PARSER_ERR_LITERAL_LIMIT_REACHED);
}
if (length == 0)
{
has_escape = false;
}
literal_p = (lexer_literal_t *) parser_list_append (context_p, &context_p->literal_pool);
literal_p->prop.length = (uint16_t) length;
literal_p->type = literal_type;

16
tests/jerry/regression-test-issue-1833.js Normal file
View File

@ -0,0 +1,16 @@
// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
'\
'