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Fix possible SIGSEGV. 

Change-Id: I6008c0457a8da9b90434a3b96a51da1487948f1b
main
Keisuke Kuroyanagi 2013-08-19 18:58:10 +09:00
parent 47bac6ebf2
commit 4a65258bc7
2 changed files with 8 additions and 3 deletions
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4
native/jni/src/suggest/core/dicnode/internal/dic_node_state_output.h
View File

@ -49,8 +49,10 @@ class DicNodeStateOutput {
void addMergedNodeCodePoints(const uint16_t mergedNodeCodePointCount,
const int *const mergedNodeCodePoints) {
if (mergedNodeCodePoints) {
const int additionalCodePointCount = min(static_cast<int>(mergedNodeCodePointCount),
MAX_WORD_LENGTH - mOutputtedCodePointCount);
memcpy(&mCodePointsBuf[mOutputtedCodePointCount], mergedNodeCodePoints,
mergedNodeCodePointCount * sizeof(mCodePointsBuf[0]));
additionalCodePointCount * sizeof(mCodePointsBuf[0]));
mOutputtedCodePointCount = static_cast<uint16_t>(
mOutputtedCodePointCount + mergedNodeCodePointCount);
if (mOutputtedCodePointCount < MAX_WORD_LENGTH) {

7
native/jni/src/suggest/core/dicnode/internal/dic_node_state_prevword.h
View File

@ -69,11 +69,14 @@ class DicNodeStatePrevWord {
const int prevWordNodePos, const int *const src0, const int16_t length0,
const int *const src1, const int16_t length1, const int *const prevSpacePositions,
const int lastInputIndex) {
mPrevWordCount = prevWordCount;
mPrevWordCount = min(prevWordCount, static_cast<int16_t>(MAX_RESULTS));
mPrevWordProbability = prevWordProbability;
mPrevWordNodePos = prevWordNodePos;
const int twoWordsLen =
int twoWordsLen =
DicNodeUtils::appendTwoWords(src0, length0, src1, length1, mPrevWord);
if (twoWordsLen >= MAX_WORD_LENGTH) {
twoWordsLen = MAX_WORD_LENGTH - 1;
}
mPrevWord[twoWordsLen] = KEYCODE_SPACE;
mPrevWordStart = length0;
mPrevWordLength = static_cast<int16_t>(twoWordsLen + 1);