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authorTom Sepez <tsepez@chromium.org>2015-05-19 15:19:32 -0700
committerTom Sepez <tsepez@chromium.org>2015-05-19 15:19:32 -0700
commit981a3468319eb24e696bb64ba84d9631fd26f1f7 (patch)
treec1136b807975ccc80199ff6593e69475261c1670 /core/src/fpdfapi/fpdf_edit
parentbf4aa2cc93a67826247e887b2ba26a1b965eb616 (diff)
downloadpdfium-981a3468319eb24e696bb64ba84d9631fd26f1f7.tar.xz
Re-land: Remove FX_Alloc() null checks now that it can't return NULL.
Fixes the ordering of some assignments broken when converting to checked numerics in CFX_PathData::AddPointCount(). Original Review URL: https://codereview.chromium.org/1142713005 R=thestig@chromium.org Review URL: https://codereview.chromium.org/1135893008
Diffstat (limited to 'core/src/fpdfapi/fpdf_edit')
-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp3
-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp18
2 files changed, 6 insertions, 15 deletions
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index 0886d3ff53..3abbcee046 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -415,9 +415,6 @@ FX_BOOL CPDF_Encryptor::Initialize(CPDF_CryptoHandler* pHandler, int objnum, FX_
}
m_dwSize = pHandler->EncryptGetSize(objnum, 0, src_data, src_size);
m_pData = FX_Alloc(FX_BYTE, m_dwSize);
- if(!m_pData) {
- return FALSE;
- }
pHandler->EncryptContent(objnum, 0, src_data, src_size, m_pData, m_dwSize);
m_bNewBuf = TRUE;
return TRUE;
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
index 1328fcdf96..a5a91ebc53 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp
@@ -71,17 +71,11 @@ void CPDF_Image::SetJpegImage(IFX_FileRead *pFile)
dwEstimateSize = 8192;
}
FX_LPBYTE pData = FX_Alloc(FX_BYTE, dwEstimateSize);
- if (!pData) {
- return;
- }
pFile->ReadBlock(pData, 0, dwEstimateSize);
CPDF_Dictionary *pDict = InitJPEG(pData, dwEstimateSize);
FX_Free(pData);
if (!pDict && size > dwEstimateSize) {
pData = FX_Alloc(FX_BYTE, size);
- if (!pData) {
- return;
- }
pFile->ReadBlock(pData, 0, size);
pDict = InitJPEG(pData, size);
FX_Free(pData);
@@ -223,8 +217,8 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, FX_INT32 iCompress, IFX_F
} else if (pMaskBitmap->GetFormat() == FXDIB_1bppMask) {
_JBIG2EncodeBitmap(pMaskDict, pMaskBitmap, m_pDocument, mask_buf, mask_size, TRUE);
} else {
- mask_size = maskHeight * maskWidth;
- mask_buf = FX_Alloc(FX_BYTE, mask_size);
+ mask_buf = FX_Alloc2D(FX_BYTE, maskHeight, maskWidth);
+ mask_size = maskHeight * maskWidth; // Safe since checked alloc returned.
for (FX_INT32 a = 0; a < maskHeight; a ++) {
FXSYS_memcpy32(mask_buf + a * maskWidth, pMaskBitmap->GetScanline(a), maskWidth);
}
@@ -306,8 +300,8 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, FX_INT32 iCompress, IFX_F
}
} else if (opType == 1) {
if (!bStream) {
- dest_size = dest_pitch * BitmapHeight;
- dest_buf = FX_Alloc(FX_BYTE, dest_size);
+ dest_buf = FX_Alloc2D(FX_BYTE, dest_pitch, BitmapHeight);
+ dest_size = dest_pitch * BitmapHeight; // Safe since checked alloc returned.
}
FX_LPBYTE pDest = dest_buf;
for (FX_INT32 i = 0; i < BitmapHeight; i ++) {
@@ -321,8 +315,8 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, FX_INT32 iCompress, IFX_F
}
} else if (opType == 2) {
if (!bStream) {
- dest_size = dest_pitch * BitmapHeight;
- dest_buf = FX_Alloc(FX_BYTE, dest_size);
+ dest_buf = FX_Alloc2D(FX_BYTE, dest_pitch, BitmapHeight);
+ dest_size = dest_pitch * BitmapHeight; // Safe since checked alloc returned.
} else {
dest_buf = FX_Alloc(FX_BYTE, dest_pitch);
}