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| author | Peng Wu <alexepico@gmail.com> | 2010-08-16 14:05:35 +0800 |
|---|---|---|
| committer | Peng Wu <alexepico@gmail.com> | 2010-08-16 14:05:35 +0800 |
| commit | cf5571547919329d8dd09bd827fc00fe22008124 (patch) | |
| tree | fc1790154efe015a9e89b778f47d6ba2688ede8b /src/storage | |
| parent | 137145409fd1493e40f4482d89f71a0c7ebcc743 (diff) | |
| download | libpinyin-cf5571547919329d8dd09bd827fc00fe22008124.tar.gz libpinyin-cf5571547919329d8dd09bd827fc00fe22008124.tar.xz libpinyin-cf5571547919329d8dd09bd827fc00fe22008124.zip | |
add a error check.
Diffstat (limited to 'src/storage')
| -rw-r--r-- | src/storage/phrase_index.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/storage/phrase_index.cpp b/src/storage/phrase_index.cpp index f87d834..7190615 100644 --- a/src/storage/phrase_index.cpp +++ b/src/storage/phrase_index.cpp @@ -98,7 +98,7 @@ bool SubPhraseIndex::add_unigram_frequency(phrase_token_t token, guint32 delta){ ((token & PHRASE_MASK) * sizeof(table_offset_t), &offset, sizeof(table_offset_t)); - if ( !result) + if ( !result ) return result; if ( 0 == offset ) @@ -106,6 +106,10 @@ bool SubPhraseIndex::add_unigram_frequency(phrase_token_t token, guint32 delta){ result = m_phrase_content.get_content (offset + sizeof(guint8) + sizeof(guint8), &freq, sizeof(guint32)); + + if ( !result ) + return result; + //protect total_freq overflow if ( delta > 0 && m_total_freq > m_total_freq + delta ) return false; |