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| author | dsinclair <dsinclair@chromium.org> | 2016-06-14 07:34:20 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-06-14 07:34:20 -0700 |
| commit | 756d37943415ca15d491b79ba78012225a06db76 (patch) | |
| tree | 817ecb7fc2a84e7562006931ff97ad46858fe4d3 /xfa | |
| parent | fc6326d6cd51878c8ec3b8b51767dce368d07f67 (diff) | |
| download | pdfium-756d37943415ca15d491b79ba78012225a06db76.tar.xz | |
Add fuzzer for FDE CSS syntax parser.
This CL adds a fuzzer for the CSS Syntax parser in XFA.
BUG=chromium:587126
Review-Url: https://codereview.chromium.org/2068513002
Diffstat (limited to 'xfa')
| -rw-r--r-- | xfa/fxfa/parser/xfa_basic_imp.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/xfa/fxfa/parser/xfa_basic_imp.cpp b/xfa/fxfa/parser/xfa_basic_imp.cpp index 86a96bbd63..f7c2606501 100644 --- a/xfa/fxfa/parser/xfa_basic_imp.cpp +++ b/xfa/fxfa/parser/xfa_basic_imp.cpp @@ -557,9 +557,10 @@ int32_t CXFA_WideTextRead::ReadString(FX_WCHAR* pStr, int32_t iMaxLength, FX_BOOL& bEOS, int32_t const* pByteSize) { - if (iMaxLength > m_wsBuffer.GetLength() - m_iPosition) { - iMaxLength = m_wsBuffer.GetLength() - m_iPosition; - } + iMaxLength = std::min(iMaxLength, m_wsBuffer.GetLength() - m_iPosition); + if (iMaxLength == 0) + return 0; + FXSYS_wcsncpy(pStr, m_wsBuffer.c_str() + m_iPosition, iMaxLength); m_iPosition += iMaxLength; bEOS = IsEOF(); |