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2018-05-25Mark CPDF_Object pointers in pattern code as const.Lei Zhang
Change-Id: Id7bf252ebe25c92d26065d1138a445ebb2f78d0b Reviewed-on: https://pdfium-review.googlesource.com/32187 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-24CPDF_HintTables should not try to read 0 bits.Lei Zhang
CFX_BitStream::GetBits() got refactored recently, with an assert to not read 0 bits. A fuzzer then discovered code that is trying to do that. BUG=chromium:846394 Change-Id: Ib18b47200c82aab369109b5911540db724172690 Reviewed-on: https://pdfium-review.googlesource.com/32934 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-24Do some variable cleanup in CJBig2_ContextNicolas Pena
This CL cleans up variables in CJBig2_Context. It moves some declarations further, to when the variables are actually used. It also caches huffman tables in a vector of unique_ptr. Change-Id: Id3af96f9526b1000f681e4e2b174bba07b45ee55 Reviewed-on: https://pdfium-review.googlesource.com/32715 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-24Mark some pointers as non-const in CPDF_NameTree.Lei Zhang
The class modifies the tree, so stop pretending its const. Change-Id: I1095239a728fc0999c84db37d5cb17f596b9c791 Reviewed-on: https://pdfium-review.googlesource.com/32185 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-24Improve constness for more CPDF_Objects pointers.Lei Zhang
Most of them can be marked const. A couple are marked non-const because eventually something inside gets modified. Change-Id: I5415ca8d1efdac451cde340272436cd1e6ec433f Reviewed-on: https://pdfium-review.googlesource.com/32184 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-23Remove GetBits32().Lei Zhang
Replace it with CFX_BitStream. Change-Id: Ib74657f888b8dec8b6fdad7b49e28d250991c590 Reviewed-on: https://pdfium-review.googlesource.com/32852 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-23Avoid repeated calculations in CFX_BitStream::GetBits().Lei Zhang
Change-Id: Icfb7c6933625436b9fcf6a9fdfd0e5f655108eca Reviewed-on: https://pdfium-review.googlesource.com/32851 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-23Add unit test for CFX_BitStream.Lei Zhang
Change-Id: I764196b9cc1d437313aac18ee9d5dbed642c7119 Reviewed-on: https://pdfium-review.googlesource.com/32850 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-22Make friend RetainPtr<T> statements consistently public.Lei Zhang
Also make destructors private for RetainPtr sub-classes, and add missing destructors. Change-Id: I451bf0aae2dae943b1f450d0aa4ca5124dc578fd Reviewed-on: https://pdfium-review.googlesource.com/32853 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-22Simplify CPDF_ShadingPattern::Validate().Lei Zhang
Fix some nits in CPDF_ShadingPattern as well. Change-Id: I6b4b73f99031733a113fe2ad1bdc1d1e565b7a7d Reviewed-on: https://pdfium-review.googlesource.com/32738 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-22Fix a regression with missing text.Lei Zhang
Commit 10e1f05a incorrectly removed a font weight sanitizing step in the font substitution code. BUG=chromium:820345 Change-Id: I876f65a5649270648616f561eaad17ee333b9a9e Reviewed-on: https://pdfium-review.googlesource.com/32832 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-22Remove JBIG2_memcpy() and JBIG2_memset().Lei Zhang
Just use memcpy() and memset(). Change-Id: Id6c6fab4e65a5524786ae318270c5981313825f2 Reviewed-on: https://pdfium-review.googlesource.com/32743 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-22Remove return value from CJBig2_Image::SetPixel().Lei Zhang
Nobody reads it. Change-Id: I76c0f5881e5432d2086cb8eaec7fc70fa5b71536 Reviewed-on: https://pdfium-review.googlesource.com/32741 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-22Fix method style in JBig2_Image.Lei Zhang
Rename fooBar() to FooBar(). Change-Id: I87775fa14ce7e4f4a5897780d0d02fb61c7693ff Reviewed-on: https://pdfium-review.googlesource.com/32739 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-22Declare some variables closer to when used in CFX_FontMapper.Lei Zhang
Change-Id: I06ca9eb7e8bb19f75ee75937a44e4ae548a7a92c Reviewed-on: https://pdfium-review.googlesource.com/32791 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-21Avoid indexing into std::vector inside a tight loop.chromium/3437Lei Zhang
In CCodec_FaxDecoder::v_GetNextLine(), a fixed size vector often needs to be inverted. Doing so without checking bounds on every access makes a big difference in non-optimized builds. BUG=chromium:843899 Change-Id: Iecc0a3da22631a289745245563dab7a7c3c458d0 Reviewed-on: https://pdfium-review.googlesource.com/32744 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-17Annotate CFX_ImageTransformer with LIKELY().Lei Zhang
Doing this in the inner loops gets us another small performance improvement. Change-Id: I61fdf4bf8363a66123b3be3bc7ca9b5370f451fc Reviewed-on: https://pdfium-review.googlesource.com/32710 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-17Expose CJBig2_Image::ComposeTo() as a public method.Lei Zhang
CJBig2_Image::ComposeFrom() wraps a call to ComposeTo() and does an extra validity check. In tight loops where the validity check will always succeed, this is wasteful. Change existing callers of ComposeFrom() to ComposeTo() when the validity check has already been done. BUG=chromium:840728 Change-Id: I39fb42eea49b92b7804cbd42c3d8a0329edeb58d Reviewed-on: https://pdfium-review.googlesource.com/32637 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-17Avoid fmodf() in CFX_BilinearMatrix.Lei Zhang
This class is used heavily by CFX_ImageTransformer and fmodf() calculations are expensive. Change-Id: If2b9037eb2e90ae377ffb490483a7e7e4faf63b2 Reviewed-on: https://pdfium-review.googlesource.com/23176 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-17Consolidate identical code in CJBig2_TRDProc.Lei Zhang
Change-Id: Ib44a6b7bd19625a4081322d2471551bec894abd8 Reviewed-on: https://pdfium-review.googlesource.com/32638 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-17Update third_party/base/compiler_specific.h.Lei Zhang
Import Chromium's base/compiler_specific.h from r537069. Now that FALLTHROUGH is available via compiler_specific.h, remove FX_FALLTHROUGH. Change-Id: I8b9631a4f007673e10e0c26951dfd61e9dcada30 Reviewed-on: https://pdfium-review.googlesource.com/32639 Reviewed-by: Nico Weber <thakis@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Move JBig2 HuffmanTables into JBig2_HuffmanTable.cppNicolas Pena
This CL changes the table information so it can be indexed, and allows moving all of the information to the CJBig2_HuffmanTable implementation, which is the only real user of the data. Change-Id: I88780bee32c8509198518fd3b1e82d68ae7ff707 Reviewed-on: https://pdfium-review.googlesource.com/32635 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-16Add support for PartionRealloc to return nullptrRyan Harrison
Currently the PartitionRealloc code path will only exit, with no option to return nullptr on failure, unlike PartitionAlloc code path. This CL refactors the realloc code path to be similar to alloc code path, following the upstream patch: https://chromium-review.googlesource.com/c/chromium/src/+/1044971 This also changes the version of realloc exposed to third party C libs to have the nullptr behaviour, like the exposed version of alloc. This CL is a redo of https://pdfium-review.googlesource.com/c/pdfium/+/31990 BUG=chromium:783022 Change-Id: Ib1b659079585dfd0423d683b8a2c7b6758a22a01 Reviewed-on: https://pdfium-review.googlesource.com/32613 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Chris Palmer <palmer@chromium.org>
2018-05-16Remove some more unused #definesTom Sepez
Bug: pdfium:1085 Change-Id: I62c526ae865f0cadfddd2e75a616bce73de0f88d Reviewed-on: https://pdfium-review.googlesource.com/32632 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-16Do more optimizations to make FindBit() faster.chromium/3433Lei Zhang
Change-Id: Ibbc020393e38405f9d1cb0d483ef875777d4e721 Reviewed-on: https://pdfium-review.googlesource.com/32650 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Use pdfium::span<> in cpdf_crypto_handler.hTom Sepez
Remove some unused args along the way. Change-Id: I234a674d4d6cc79b33087bc850f5df36bae25870 Reviewed-on: https://pdfium-review.googlesource.com/32596 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-16Avoid a memset() in FindBit() in the fax codec.Lei Zhang
FindBit() is called frequently by other fax codec code. Use 16 more bytes of space to store the two possible values memset() can set. Change-Id: Ibeb549c44928bbb468ac4eb4cef2d9339cf6490d Reviewed-on: https://pdfium-review.googlesource.com/32630 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Use pdfium::span<> in cpdf_creator.Tom Sepez
Change-Id: I959fe5dc30fcfe2176c7e5a64b07d082313a22b4 Reviewed-on: https://pdfium-review.googlesource.com/32595 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-16core: allow building against system icu-ucMiklos Vajna
Use the system ICU header when USE_SYSTEM_ICUUC is defined. Change-Id: Ieeb0e4a11ae86da871644dd0fd84de07e9917fde Reviewed-on: https://pdfium-review.googlesource.com/32490 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-16Cleanup CPDF_ContentParserDan Sinclair
This CL cleans up the CPDF_ContentParser code. The m_bIsDone flag has been removed and a kComplete stage added. Each of the processing methods returns the next stage instead of setting the internal flag automatically. The infinite loop is removed for simpler straight line code. Change-Id: Id817a5fa054e28c331c68c63ec2c12b369cb0233 Reviewed-on: https://pdfium-review.googlesource.com/32611 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-16Use pdfium::span<> in CPDF_EncryptorTom Sepez
Provides more lifetime/bounds checking "for free". Change-Id: Ifaf7a95c0f6f288777cd6ef35996e01b3dc4bc63 Reviewed-on: https://pdfium-review.googlesource.com/32594 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-16Remove CFX_BidiLineDan Sinclair
The CFX_BidiLine class is just a thin wrapper to hold a set of methods. This CL moves the methods into the anonymous namespace and calls them directly from FX_BidiLine. Change-Id: Iea2ba178fb08339445702c9af4251f3c8ba2beb6 Reviewed-on: https://pdfium-review.googlesource.com/32617 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-16Verify bidi pos is within range before accessingDan Sinclair
This CL verifies that the provided BidiPos is within the acceptable size for the vector before accessing. Bug: chromium:843100 Change-Id: I2955a3ca628b19ee51dd4233726b859729c125af Reviewed-on: https://pdfium-review.googlesource.com/32593 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-15Cap size of exponent when converting floatsDan Sinclair
When detecting the exponent on a floating point number, cap the maximum amount we'll multiply by otherwise we can get excessivly large numbers. Bug: chromium:843074 Change-Id: I6a8d1b4c20b66e305d2727f464119b1e74beb699 Reviewed-on: https://pdfium-review.googlesource.com/32570 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-15Break CPDF_CotnentParser::Continue into piecesDan Sinclair
This CL separates the parts of CPDF_ContentParser::Continue into three distinct methods. It clarifes when and what is returned from Continue. Change-Id: Id7a9bf1aa16f366f567cce74006c27c452cb5dcc Reviewed-on: https://pdfium-review.googlesource.com/32531 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-15Lower the limit of image dimensions for fax codecs.chromium/3432Lei Zhang
Use the same limit as JBIG2 codecs. BUG=chromium:834633 Change-Id: I11d12c841e10ab48fd85df792bf8a034fe40493c Reviewed-on: https://pdfium-review.googlesource.com/32514 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-15Read data in bigger chunks in fax codec code.Lei Zhang
In case there are long runs of data to be skipped, FindBit() runs much faster reading and comparing 8 bytes at a time. BUG=chromium:834633 Change-Id: Ifc7b348d123c5a72cf09fbf53d764075f8abfba0 Reviewed-on: https://pdfium-review.googlesource.com/32513 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-15Return earlier in CPDF_TextPage::ProcessInsertObject() when possible.Lei Zhang
Change-Id: Ibc446d9f4606d29f997ee3521f31f0fbcf1ad84b Reviewed-on: https://pdfium-review.googlesource.com/32176 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-15Simplify various functions in CPDF_TextPage.Lei Zhang
Break out parts of ProcessTextObject() into helper functions. Change-Id: I76ad141728ce77e8d24d7dc9635722d670663f39 Reviewed-on: https://pdfium-review.googlesource.com/32175 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-14Cleanup CPDF_Form parsing codechromium/3431Dan Sinclair
This CL folds the StartParse() method of CPDF_Form into the ParserContent method. The no arguments ParseContent is removed and ParseContentWithParams renamed to ParseContent. The callsites are updated to pass the nullptr's. Bug: chromium:813349 Change-Id: I304b77aef1de1b9aa20e4a3044db5023f5701584 Reviewed-on: https://pdfium-review.googlesource.com/32511 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-14Use internal wcstof instead of system wcstod in formcalc lexerDan Sinclair
This CL switches the usage of wcstod to use the FXSYS_wcstof to determine if a given string is a valid floating point number. Using the internal method makes linux slightly slower (10's of ms) makes mac a lot faster 900ms to 60ms for the test case in the bug. The FXSYS_wcstof method has been extended to handle the parsing of float exponents. Unittests were added for FXSYS_wcstof. Bug: chromium:813646 Change-Id: Ie68287a336e3b95a0c0b845d5bf39db6fc82b39c Reviewed-on: https://pdfium-review.googlesource.com/32510 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-14Merge some values of JBig2_ResultNicolas Pena
This CL merges some of the values of JBig2_Result. The only checks are against Success and EndOfFile || EndOfPage, so we only need three values: Success, EndReached, and Failure (for anything that does not match either of those two). Change-Id: I552c54f2d70aa8e8bf52702dab4dfc00d528ef76 Reviewed-on: https://pdfium-review.googlesource.com/32393 Commit-Queue: Nicolás Peña Moreno <npm@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-11Reland "Filter out "Type" and "DecodeParms" from trailer keys."Henrique Nakashima
This reverts commit 466bd4f4e0cb2bc2a7b3626948609268c52c4690. Reason for revert: On closer inspection, it seems the test is not flaky, and the root cause of the failure is an SEH exception, which is the true source of flakiness. Other tests are also affected. Original change's description: > Revert "Filter out "Type" and "DecodeParms" from trailer keys." > > This reverts commit 5f7c5be8b7072d46e8d8088a1ec14370ecfad44c. > > Reason for revert: New test is flaky, ID is not stable. > > Original change's description: > > Filter out "Type" and "DecodeParms" from trailer keys. > > > > Bug: pdfium:873 > > Change-Id: I12ae5b8776f5a73c4be81bed53ada05c94d46882 > > Reviewed-on: https://pdfium-review.googlesource.com/32190 > > Reviewed-by: dsinclair <dsinclair@chromium.org> > > Commit-Queue: dsinclair <dsinclair@chromium.org> > > TBR=dsinclair@chromium.org,hnakashima@chromium.org > > # Not skipping CQ checks because original CL landed > 1 day ago. > > Bug: pdfium:873 > Change-Id: I642771e12c61181c7b81681dae7b2f5549c14b18 > Reviewed-on: https://pdfium-review.googlesource.com/32430 > Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> > Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> TBR=dsinclair@chromium.org,hnakashima@chromium.org Change-Id: I2552729610c9f8adf02c70a2a43e2383ceda19b5 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: pdfium:873 Reviewed-on: https://pdfium-review.googlesource.com/32397 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-05-11Revert "Filter out "Type" and "DecodeParms" from trailer keys."Henrique Nakashima
This reverts commit 5f7c5be8b7072d46e8d8088a1ec14370ecfad44c. Reason for revert: New test is flaky, ID is not stable. Original change's description: > Filter out "Type" and "DecodeParms" from trailer keys. > > Bug: pdfium:873 > Change-Id: I12ae5b8776f5a73c4be81bed53ada05c94d46882 > Reviewed-on: https://pdfium-review.googlesource.com/32190 > Reviewed-by: dsinclair <dsinclair@chromium.org> > Commit-Queue: dsinclair <dsinclair@chromium.org> TBR=dsinclair@chromium.org,hnakashima@chromium.org # Not skipping CQ checks because original CL landed > 1 day ago. Bug: pdfium:873 Change-Id: I642771e12c61181c7b81681dae7b2f5549c14b18 Reviewed-on: https://pdfium-review.googlesource.com/32430 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-05-11Use more smart pointer types in CPDF_DIBSource.Tom Sepez
Use one std::vector<>, too. As a result, make GetDecodeAndMaskArray() update that member directly rather than forcing callers to assign to it each time. Change-Id: I51a039b9e8cce7ff885edf395622eaf6a5c4816a Reviewed-on: https://pdfium-review.googlesource.com/32313 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-10Fixup ASSERT in Bidi handling; Add bidi fuzzer.Dan Sinclair
This CL converts several asserts in the FX_Bidi code to continue instead of asserting in the face of unexpected input. A BIDI fuzzer has been added as well. Bug: chromium:839695 Change-Id: If61f822bde7442c008d50be58f7cecffb6e5d658 Reviewed-on: https://pdfium-review.googlesource.com/32191 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-10Clean up post review commentsRyan Harrison
Cleaning up some nits that came in after my previous codec CL had gone into the CQ. BUG=pdfium:1080 Change-Id: I3845136d370f73c9c96ef732e95b8cf0c9c79d91 Reviewed-on: https://pdfium-review.googlesource.com/32351 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-10Add CPDF_Transparency.Lei Zhang
Encapsulates transparency status instead of having it be a raw int. Change-Id: I8b10dafa97da112795cf84c46cf416a0294551d5 Reviewed-on: https://pdfium-review.googlesource.com/32194 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-10Fix destruction order in CPDF_Dibsource.Tom Sepez
The order of the elements in the header is correct, but we were clearing it early in the destructor itself. Bug: 840695 Change-Id: I1585722fed8dc672ffd5e1dc9a1eea1c7c80f310 Reviewed-on: https://pdfium-review.googlesource.com/32311 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-10Remove a completeness check from CJBig2_GRRDProc::DecodeTemplate0OptNicolas Pena
https://pdfium-review.googlesource.com/c/pdfium/+/18333 introduced several checks to prevent timeouts in JBig2. One of these is breaking the PDF in the bug, so this CL removes that check. Bug: chromium:841200 Change-Id: Ia75c699b7fddc26f0353b0d64349898c4d1f744d Reviewed-on: https://pdfium-review.googlesource.com/32250 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
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