Age | Commit message (Collapse) | Author |
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Take seed generation logic from base's address_space_randomization.cc.
One small tweak is to avoid the bottom three bits of a stack address and
invert, to make leaking ASLR more difficult along the lines of the
freelist masking in base's partition allocator. Another tweak is to
mix in some more time-based information. Another tweak is to add in
the times called so that rapid successive calls return different results.
Bug: pdfium:891
Change-Id: I14238da15cee9c8d4ca72d79e4f7fbb26997c619
Reviewed-on: https://pdfium-review.googlesource.com/13490
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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R=dsinclair@chromium.org
Bug:
Change-Id: I34f9498f4e5942c5b10ab2848509de935882321d
Reviewed-on: https://pdfium-review.googlesource.com/13470
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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This enables MSVC by default on Windows again, so fix code that fail
to build with MSVC too.
Change-Id: I03fb4e3697ad777a4dca88af462b35526d6c1d4d
Reviewed-on: https://pdfium-review.googlesource.com/13392
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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This CL moves the CFX_WordBreak::FindNextBreakPos into the text edit
engine iterator. The word break data was moved to cfde_wordbreak_data.
Change-Id: Ie022f5f761479f97b9d4bc7789f890cb2ef99106
Reviewed-on: https://pdfium-review.googlesource.com/13250
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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This CL implements the needed logic in CFDE_TextEditEngine to handle
word selection.
Change-Id: I6b388c23655037fec107d68ec07d33638b959374
Reviewed-on: https://pdfium-review.googlesource.com/13211
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Change the underlying type for FX_STRSIZE to size_t from int. This
will make the value unsigned and thus all values in the range of the
type will be valid. This allows for the final remove of negative
length strings, but also introduces a some casting and functional
errors, since many parts of the code base assume that FX_STRSIZE is
int or another signed type. This also CL fixes these errors.
BUG=pdfium:828
Change-Id: I231dca59e96fc9330cbb099eecbdfc41fcf86f5b
Reviewed-on: https://pdfium-review.googlesource.com/11830
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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This CL removes fx_guid and inlines into CXFA_FM2JSContext as needed.
Change-Id: I08a1f03fd4be46730eee24ab73b8b5c0daf9cd7d
Reviewed-on: https://pdfium-review.googlesource.com/13094
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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CFX_WordBreak::Next is never called, removed. This was the only method
to pass a different value for the bFromNext param for FindNextBreakPos()
so that param was also removed.
Change-Id: I14ca0dc65490ec64209ba0b872794f75b3e3104f
Reviewed-on: https://pdfium-review.googlesource.com/13210
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Match FX_Random method names.
Change-Id: I2d178229563881479b80e1f86975f5b165475837
Reviewed-on: https://pdfium-review.googlesource.com/13093
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Remove unused GetWord, make methods only used in the class private.
Change-Id: Ia5b63da7f9dc3a918380742213d98f9d1b3651a3
Reviewed-on: https://pdfium-review.googlesource.com/13092
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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The CFX_CharIter class was only used in a single Attach call of
CFX_WordBreak which is never called. Removed.
Change-Id: I8262cbb25d341b976ab85095250357fecba48fbc
Reviewed-on: https://pdfium-review.googlesource.com/13091
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL splits the GUID code out of fx_extension into an fx_guid.h file.
Change-Id: I915538ff98601efb07595264eff6435729193177
Reviewed-on: https://pdfium-review.googlesource.com/13090
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves the code invovled in random number generation into
fx_rand.h from fx_extension.h.
Change-Id: I6c644d7ec0323f32ef6e23c2e2548a9c792e3a72
Reviewed-on: https://pdfium-review.googlesource.com/13070
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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File naming now matches.
Fix one usage not going through the accessor function.
Change-Id: I5cc4986238764964f2a71807a94bd2facf517263
Reviewed-on: https://pdfium-review.googlesource.com/12930
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Mid(foo, 1) is equivalent to [foo], if all you want is the character. Similarly
Left(1) is [0]. It is faster also, since it does not need to create intermediate
strings.
Right(1) is a touch more tricky, since it requires something like GetLength() ?
[GetLength() - 1] : 0;. A new method, Last() has been added to perform this
character extraction.
Multiple call sites have been updated to use more efficient/simpler
syntax. There are a number of call sites that use on these patterns, but based
on the surrounding context we actually need/want a string, so they have not been
modified.
Change-Id: I485a7f9c7b34c9bdacecada610158f996816afdd
Reviewed-on: https://pdfium-review.googlesource.com/12890
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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When turning on this conversion a number of typing issues and other nits where
found in the code base that can be merged in without actually changing the
underlying type. Landing these changes before the type change CL, since there is
a high likelihood that the type change will need to be rolled back, since it is
high risk.
BUG=pdfium:828
Change-Id: I587443d9090055963446485a1aacb8772eb5ca64
Reviewed-on: https://pdfium-review.googlesource.com/12810
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Bug: chromium:760034
Change-Id: Id0862749b1454e065de4de7d746a27e78ac58e30
Reviewed-on: https://pdfium-review.googlesource.com/12730
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Change-Id: I13140ea4242db4b0860f8fdd164f50d1745c0794
Reviewed-on: https://pdfium-review.googlesource.com/12790
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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The CFXCRT and IFXCRT prefix was only used on 3 files. This CL renames
them to the more common CFX and IFX. The files were renamed as needed.
Change-Id: Iccdaa55c5822adb93af7c58aedfb121413a30223
Reviewed-on: https://pdfium-review.googlesource.com/12675
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves code defined in fx_system.h to be implemented in
fx_system.cpp.
Change-Id: I0c19066d4497bd208f4560fdcaf57cf04bf9f146
Reviewed-on: https://pdfium-review.googlesource.com/12674
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves the GetBits32 implemenation into fx_extension.cpp. It
also moves some of the fx_basic unittests to the correct unittest files.
Change-Id: I2cf8657c228375508db0f02baa628d62a3b2ab25
Reviewed-on: https://pdfium-review.googlesource.com/12673
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves methods defined in fx_stream.h into the fx_stream.cpp
file.
Change-Id: I32147d18dd7f4a29c228f11d108ac01cb891b290
Reviewed-on: https://pdfium-review.googlesource.com/12672
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL creates an fx_string.cpp and moves any methods defined in
fx_string.h into the .cpp file.
Change-Id: I64c310b9be6d8f4c3be633a22884023c0b16fc1b
Reviewed-on: https://pdfium-review.googlesource.com/12671
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Remove dead code, move code to namespaces where possible, cleanup some
single use items.
Change-Id: Ia734477ceb2105a1ed272463bd8220f1205a7ce9
Reviewed-on: https://pdfium-review.googlesource.com/12732
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Change-Id: I6df7e7d1283541ea2e6b9bcf3de172f6a886054a
Reviewed-on: https://pdfium-review.googlesource.com/12731
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves the BIDI code from fx_arabic to fx_bidi and conditionally
compiles based on XFA.
Change-Id: Iaba60486f03e48f0816d60e365a58a8622bc8254
Reviewed-on: https://pdfium-review.googlesource.com/12713
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL removes the fx_basic.h header and fixes up includes as needed.
Change-Id: I49af32a8327bdbcda40c50a61ffbd75d06609040
Reviewed-on: https://pdfium-review.googlesource.com/12670
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL moves IFX_Pause out to its own class from fx_basic and updates
includes as needed.
Change-Id: Iebdd183d8c85aa17570f190f1a7d1602c0af3c8b
Reviewed-on: https://pdfium-review.googlesource.com/12491
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL moves CFX_FixedBufGrow to its own files and updates includes as
needed.
Change-Id: Ia0cb70569b30acdb3ba9f23d8937ab8f9c17d6e6
Reviewed-on: https://pdfium-review.googlesource.com/12490
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves CFX_WideTextBuf to its own files and updates includes as
needed.
Change-Id: Ibe66ecf3e66f8f01dd8e9eaf6b467588be86ad4f
Reviewed-on: https://pdfium-review.googlesource.com/12413
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL splits the CFX_BinaryBuf out of fx_basic into its own files. The
various includes have been updated.
Change-Id: I0fa616eeb4df6dd229c02dc3a0597b3dced59425
Reviewed-on: https://pdfium-review.googlesource.com/12412
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves CFX_UTF8Decoder out of fx_basic and includes where needed.
Change-Id: I1a093a8a77bbefcc90fbb2f81b1da65bfc0512bf
Reviewed-on: https://pdfium-review.googlesource.com/12411
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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The CFX_UTF8Encoder is only used in FX_UTF8Encode(). This CL moves the
class to the anonymous namespace with that method. The unused AppendStr
method has been removed.
Change-Id: Ie514686c4b4489bb0b0df83b7eeec14bb1876fcd
Reviewed-on: https://pdfium-review.googlesource.com/12410
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves CFX_AutoRestorer into its own file, separate from
fx_basic.h.
Change-Id: I415cb9207416bd4744b8ac8e2d7466852db53f0a
Reviewed-on: https://pdfium-review.googlesource.com/12390
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL moves the CFX_BitStream code out of fx_basic and into
cfx_bitstream.
Bug: pdfium:867
Change-Id: I5b7e6190a7db1fe1d24feb6bd676035a5c73ee92
Reviewed-on: https://pdfium-review.googlesource.com/12350
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Through out the code base there are numerous places where variables
are declared using a signed integer type when interacting with the
string classes, since they assume that FX_STRSIZE is 'int'. As part of
changing the underling type of FX_STRSIZE to be unsigned, these
locations are being changed to use FX_STRSIZE. This is necessary as
part of converting the type, but has been broken off into a separate CL,
since it should be low risk.
Some related cleanups that are low risk are included as part of
this CL.
BUG=pdfium:828
Change-Id: Ifaae54ad195ccde0fe8672f71271d29a6ebd65fd
Reviewed-on: https://pdfium-review.googlesource.com/12210
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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Clean up being done in preperation for removal of negative length
strings. This means that FX_STRSIZE will become unsigned so the return
methods cannot return -1. Other cleanup suggested by reviewers is
included.
BUG=pdfium:828
Change-Id: I2cfb78c8ab7738516e0c9f8a99caec6f6cb12cde
Reviewed-on: https://pdfium-review.googlesource.com/12170
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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CFX_Point and CFX_PointF are derived from CFX_PTemplate.
Add a helper function to replace the rarely used method where its used.
Change-Id: I28448d44bbae9aa6773d1ad5fd7daf342b67c84c
Reviewed-on: https://pdfium-review.googlesource.com/12071
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
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The various string classes, CFX_ByteString, CFX_ByteStringC,
CFX_WideString, and CFX_WideStringC, have many conditionals that are
effectively determining if a value is a valid index or length. This CL
refactors the logic into one place per class, so it only needs to be
changed once if its behaviour needs to change. It also make the some
of the methods stricter on the inputs they will accept.
BUG=pdfium:828
Change-Id: Iadcdaa34a6d862a2804485770027179c89dc6956
Reviewed-on: https://pdfium-review.googlesource.com/12030
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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The Find and ReverseFind methods for WideString, WideStringC,
ByteString, and ByteStringC have been converted from returning a raw
FX_STRSIZE, to returning Optional<FX_STRSIZE>, so that success/failure
can be indicated without using FX_STRNPOS.
This allows for removing FX_STRNPOS and by association makes the
conversion of FX_STRSIZE to size_t easier, since it forces checking
the return value of Find to be explictly done as well as taking the
error value out of the range of FX_STRSIZE.
New Contains methods have been added for cases where the success or
failure is all the call site to Find cared about, and the actual
position was ignored.
BUG=pdfium:828
Change-Id: Id827e508c8660affa68cc08a13d96121369364b7
Reviewed-on: https://pdfium-review.googlesource.com/11350
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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The previous behaviour of [] on an empty string was to return 0
regardless of the index. We wanted to make this more strict, hence the
current behaviour. This has led to a number of crashes due to code
depending on the old behaviour. Reverting to the old behaviour until
we have time to correct the call sites using empty strings.
Bug=chromium:752480, pdfium:828
Change-Id: I511eea4148de85bf7f4694351e7a030b1a37f0de
Reviewed-on: https://pdfium-review.googlesource.com/11630
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Currently, all three of CFX_Matrix::TransformRect() take in rect values
and modify them in place.
This CL converts them to take in constant values and return the
transformed values instead, and fixes all the call sites.
Bug=pdfium:874
Change-Id: I9c274df3b14e9d88c100ba0530068e06e8fec32b
Reviewed-on: https://pdfium-review.googlesource.com/11550
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Jane Liu <janeliulwq@google.com>
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BUG=chromium:718503
Change-Id: I6ff332c2ab5320d1b5f39a9aa1564e7e3e243cbe
Reviewed-on: https://pdfium-review.googlesource.com/11570
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Converted CFX_FloatRect::Init() and CFX_FloatRect::UpdateRect() to take
in a CFX_PointF object instead of two coordinates.
Bug=pdfium:770
Change-Id: Ibcb620f192d6c086158c39f23c411777286005d0
Reviewed-on: https://pdfium-review.googlesource.com/11450
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Bug: pdfium:731
Change-Id: I00d2097bca369aa4d1743716c4b2615e37a8444d
Reviewed-on: https://pdfium-review.googlesource.com/10910
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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BUG=pdfium:864
Change-Id: Iab03e1977c859f150452825650afed3520024cca
Reviewed-on: https://pdfium-review.googlesource.com/11030
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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This method duplicates the behaviour of the const [] operator and
doesn't offer any additional safety. Folding them into one
implementation.
SetAt is retained, since implementing the non-const [] operator to
replace SetAt has potential performance concerns. Specifically many
non-obvious cases of reading an element using [] will cause a realloc
& copy.
BUG=pdfium:860
Change-Id: I3ef5e5e5a15376f040256b646eb0d90636e24b67
Reviewed-on: https://pdfium-review.googlesource.com/10870
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Specifically the index parameter passed in to GetAt(), SetAt() and
operator[] are now being tested to be in bounds.
BUG=chromium:752480, pdfium:828
Change-Id: I9e94d58c98a8eaaaae53cd0e3ffe2123ea17d8c4
Reviewed-on: https://pdfium-review.googlesource.com/10651
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Change-Id: Iec5523492eac3910f5ed105370e9092fd992b1b9
Reviewed-on: https://pdfium-review.googlesource.com/10471
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Change-Id: I782379cc7f93b93ed34a5d0a39ee2f198c650465
Reviewed-on: https://pdfium-review.googlesource.com/10430
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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