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-rw-r--r--native/jni/src/bigram_dictionary.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/native/jni/src/bigram_dictionary.cpp b/native/jni/src/bigram_dictionary.cpp
index 87ca1e9ed..ab739e144 100644
--- a/native/jni/src/bigram_dictionary.cpp
+++ b/native/jni/src/bigram_dictionary.cpp
@@ -109,6 +109,8 @@ int BigramDictionary::getBigrams(unsigned short *prevWord, int prevWordLength, i
const uint8_t* const root = DICT;
int pos = getBigramListForWord(root, prevWord, prevWordLength);
+ // getBigramListForWord returns 0 if this word is not in the dictionary or has no bigrams
+ if (0 == pos) return 0;
int bigramFlags;
int bigramCount = 0;
do {
@@ -130,6 +132,8 @@ int BigramDictionary::getBigrams(unsigned short *prevWord, int prevWordLength, i
return bigramCount;
}
+// Returns a pointer to the start of the bigram list.
+// If the word is not found or has no bigrams, this function returns 0.
int BigramDictionary::getBigramListForWord(const uint8_t* const root,
const unsigned short *prevWord, const int prevWordLength) {
int pos = BinaryFormat::getTerminalPosition(root, prevWord, prevWordLength);