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author | Lei Zhang <thestig@chromium.org> | 2017-04-26 15:22:00 -0700 |
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committer | Chromium commit bot <commit-bot@chromium.org> | 2017-04-27 23:22:12 +0000 |
commit | 66568bcd683dd7b18672cb3aebca4487e9203519 (patch) | |
tree | 7297841771a796bafd3d0d17dd47b7b0e394d933 /core/fpdfapi/page/cpdf_docpagedata.cpp | |
parent | ba817506edcb26e0acf497111e7684e39dadaf04 (diff) | |
download | pdfium-66568bcd683dd7b18672cb3aebca4487e9203519.tar.xz |
Assert CPDF_Pattern always has a valid CPDF_Document pointer.
Same for CPDF_DocPageData.
Change-Id: I8f2f559123dbb2f3623d957e4074d5f9d191797f
Reviewed-on: https://pdfium-review.googlesource.com/4501
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'core/fpdfapi/page/cpdf_docpagedata.cpp')
-rw-r--r-- | core/fpdfapi/page/cpdf_docpagedata.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/core/fpdfapi/page/cpdf_docpagedata.cpp b/core/fpdfapi/page/cpdf_docpagedata.cpp index 5e13740c21..58e81559ea 100644 --- a/core/fpdfapi/page/cpdf_docpagedata.cpp +++ b/core/fpdfapi/page/cpdf_docpagedata.cpp @@ -28,7 +28,9 @@ #include "third_party/base/stl_util.h" CPDF_DocPageData::CPDF_DocPageData(CPDF_Document* pPDFDoc) - : m_pPDFDoc(pPDFDoc), m_bForceClear(false) {} + : m_pPDFDoc(pPDFDoc), m_bForceClear(false) { + assert(m_pPDFDoc); +} CPDF_DocPageData::~CPDF_DocPageData() { Clear(false); @@ -330,7 +332,7 @@ CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj, pPattern = pdfium::MakeUnique<CPDF_ShadingPattern>(m_pPDFDoc, pPatternObj, true, matrix); } else { - CPDF_Dictionary* pDict = pPatternObj ? pPatternObj->GetDict() : nullptr; + CPDF_Dictionary* pDict = pPatternObj->GetDict(); if (pDict) { int type = pDict->GetIntegerFor("PatternType"); if (type == CPDF_Pattern::TILING) { |