generic-library/zxing-cpp
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Merge pull request #3 from SebGDev/master

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bugfix: qrcode, fixed several memory leaks (cleanup before throw)
This commit is contained in:
Benjamin Dobell 2015-01-20 19:16:02 +07:00
commit 4675f70e66
1 changed files with 3 additions and 0 deletions
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3
core/src/zxing/qrcode/decoder/DecodedBitStreamParser.cpp
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@ -221,6 +221,7 @@ void DecodedBitStreamParser::decodeNumericSegment(Ref<BitSource> bits, std::stri
while (count >= 3) { while (count >= 3) {
// Each 10 bits encodes three digits // Each 10 bits encodes three digits
if (bits->available() < 10) { if (bits->available() < 10) {
delete[] bytes;
throw ReaderException("format exception"); throw ReaderException("format exception");
} }
int threeDigitsBits = bits->readBits(10); int threeDigitsBits = bits->readBits(10);
@ -237,6 +238,7 @@ void DecodedBitStreamParser::decodeNumericSegment(Ref<BitSource> bits, std::stri
} }
if (count == 2) { if (count == 2) {
if (bits->available() < 7) { if (bits->available() < 7) {
delete[] bytes;
throw ReaderException("format exception"); throw ReaderException("format exception");
} }
// Two digits left over to read, encoded in 7 bits // Two digits left over to read, encoded in 7 bits
@ -251,6 +253,7 @@ void DecodedBitStreamParser::decodeNumericSegment(Ref<BitSource> bits, std::stri
bytes[i++] = ALPHANUMERIC_CHARS[twoDigitsBits % 10]; bytes[i++] = ALPHANUMERIC_CHARS[twoDigitsBits % 10];
} else if (count == 1) { } else if (count == 1) {
if (bits->available() < 4) { if (bits->available() < 4) {
delete[] bytes;
throw ReaderException("format exception"); throw ReaderException("format exception");
} }
// One digit left over to read // One digit left over to read