Merge pull request #3484 from Konano:patch-2

fix(wechat_qrcode): fixed memory leaks
2 years ago · ec406fa474
parent ccc277247a 2b62ff6181
commit ec406fa474
1 changed files with 4 additions and 1 deletions
--- a/modules/wechat_qrcode/src/zxing/qrcode/decoder/decoded_bit_stream_parser.cpp
+++ b/modules/wechat_qrcode/src/zxing/qrcode/decoder/decoded_bit_stream_parser.cpp
@ -127,7 +127,10 @@ void DecodedBitStreamParser::decodeHanziSegment(Ref<BitSource> bits_, string& re
    while (count > 0) {
        // Each 13 bits encodes a 2-byte character
        int twoBytes = bits.readBits(13, err_handler);
-        if (err_handler.ErrCode()) return;
+        if (err_handler.ErrCode()) {
+            delete[] buffer;
+            return;
+        }
        int assembledTwoBytes = ((twoBytes / 0x060) << 8) | (twoBytes % 0x060);
        if (assembledTwoBytes < 0x003BF) {
            // In the 0xA1A1 to 0xAAFE range