core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp - Issue 1143663004: Add safe FX_Alloc2D() macro

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Unified Diff: core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp

Issue 1143663004: Add safe FX_Alloc2D() macro (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Created 5 years, 7 months ago

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Index: core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp

diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp

index 6911942c0e8ca454b8ec7628e0b89bd27f3c86f6..a08660c52fcf6a0500e1b07dac77222311d73854 100644

--- a/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp

+++ b/core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp

@@ -254,7 +254,7 @@ void CPDF_CMapParser::ParseWord(FX_BSTR word)

if (nSegs > 1) {

m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes;

m_pCMap->m_nCodeRanges = nSegs;

- m_pCMap->m_pLeadingBytes = FX_Alloc(FX_BYTE, nSegs * sizeof(_CMap_CodeRange));

+ m_pCMap->m_pLeadingBytes = FX_Alloc2D(FX_BYTE, nSegs, sizeof(_CMap_CodeRange));

FXSYS_memcpy32(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(), nSegs * sizeof(_CMap_CodeRange));

} else if (nSegs == 1) {

m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2) ? CPDF_CMap::TwoBytes : CPDF_CMap::OneByte;