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2018-07-24Fix UAF in CPDFSDK_Widget::GetMixXFAWidget().chromium/3502Henrique Nakashima
Do not allow instanceManager methods to run in Foreground XFA forms. They are static, and their widgets should not be inserted or removed. See "XML Forms Architecture (XFA) Specification Version 3.3", page 272. Bug: chromium:860697 Change-Id: Ia96834e085ee508618ca4dcb2bd5271466369ede Reviewed-on: https://pdfium-review.googlesource.com/38751 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-07-23Tighten up ThisProxy casts.Tom Sepez
Previous CLs have shown that the "lpClass" checks aren't sufficient here, so ensure we are always checking C++ enum value before downcasting this type. Change-Id: I418127c5e7131e0a3363363a60d1976719d6837c Reviewed-on: https://pdfium-review.googlesource.com/38550 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-23Remove unused CScript_DataWindow::JSDataWindow().Tom Sepez
Do the same thing for N other similar files. Change-Id: If9bb7f6335287441206083c3512fc8a788e9d39b Reviewed-on: https://pdfium-review.googlesource.com/38532 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-23Replace CFXJSE_HostObject::type_ with polymorphic conversion methodsTom Sepez
More foolproof technique, and saves one word in every instance at a cost of two pointers in every subclass vtable. Change-Id: Ied4f91d4d203b5e6d83abe751159eb7e55489bb5 Reviewed-on: https://pdfium-review.googlesource.com/38530 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-07-20Replace downcasts in cxfa_node to checked conversion methods.Tom Sepez
Part of the effort to not trust downcasts in the CFXA_Node hierarchy. The number of subclasses is small enough here that the O(n^2) space overhead for the vtables is not significant. Put all sub-classes in same top-level namespace as the parent, just because we avoid jumping in and out of anonymous namespace. Change-Id: I32b80a93c75f8a09eb17c01fe1e29d04b4053fa1 Reviewed-on: https://pdfium-review.googlesource.com/38510 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-07-19Use pdfium::as_writable_bytes() in cxfa_xmllocale_unittest.cppTom Sepez
This is a cleaner way of getting the required argument. Add helper function and anonymous namespace as misc. cleanups along the way. Change-Id: I600074b7f6597ffd9b451a21ee374f937a8e9940 Reviewed-on: https://pdfium-review.googlesource.com/38310 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-07-17Limit recursion depth for CXFA_DocumentParser::NormalLoader().Henrique Nakashima
Bug: chromium:849143 Change-Id: I973bb3be6151ac3afad850533cb735c03e9f3d2c Reviewed-on: https://pdfium-review.googlesource.com/38210 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-07-16Use UnownedPtr/Optional in cfxa_layoutcontext.cppTom Sepez
Introduce cfxa_layoutcontext.cpp to satisfy chromium style ctor check. Fix typo in class forward declaration in cfxa_layoutcontext.h Change-Id: I2b29bf61a21be0f895faf8984897c5655a4f0e89 Reviewed-on: https://pdfium-review.googlesource.com/37950 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-07-16Fix crash when typing letters into an XFA datetime field.Henrique Nakashima
The root of the issue is that CXFA_FFDateTimeEdit inherits from CXFA_FFTextEdit and methods in the former treat its widget as a CFWL_Edit, while it can be a CFWL_DateTimePicker. Bug: chromium:857521 Change-Id: I764b6c03095b16f6a9cf72ff36768ca4c57c4070 Reviewed-on: https://pdfium-review.googlesource.com/37910 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-07-16Process data changes regardless if they can be formattedRyan Harrison
UI elements in XFA can have two different <picture> clauses with different meanings. One is a formatting statement that dictates the format the underlying data should appear in. The other <picture> occurs within an <validate> block and specificies what format the underlying should be. If it doesn't fit this <picture> the <validate> block indicates what should occur. In the existing code actually running the second <picture> type was being conditionally guarded on whether of not the formatting of the first type succeeded. This CL moves the calls related to data changing earlier, to before the formatting and UI updating occurs. BUG=pdfium:1065 Change-Id: Ib525c490074187c3272f4263ab451bf347b74f9c Reviewed-on: https://pdfium-review.googlesource.com/37250 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-07-16Use UnownedPtr in CXFA_LocaleMgrTom Sepez
Change-Id: I74b1828570e54a3868a77231a8ac13bc412c6c43 Reviewed-on: https://pdfium-review.googlesource.com/37051 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-05Clean up ProcessFormatTestValidateRyan Harrison
The existing implementation was overly complex and hard to understand, so this simplifies the logic. As part of this a number of issues, such as the lack of a failure path, have been resolved. The spec implies that a picture clause of "" should only accept the empty string, but existing implementation returns that validation does exist. This is due to the GetPicture() method returning a string, instead of a pointer or an Optional, so there is no mechanism to differentiate between a clause with an empty string and the clause not being present. This CL maintains the existing behaviour, because there may be code elsewhere that depends on it. The existing implementation returns validation not existing if the node under test is non-interactive. Though this seems intuitively correct, it is problematic, because this logic isn't just called via an interaction with the node. The validity check could be initiated by a call from JS attached to an event or a different node. Thus it is possible for a node under test to be non-interactive, but the result of the test is still important. The caller may make the node interactive if it isn't valid, for example. The spec doesn't state anything about interactivity controlling if validity checks run. This CL removes the related logic, since it was causing issues with an example PDF from the wild. BUG=pdfium:1065 Change-Id: Icb5b97e0d90f6fbc7ad6b87d81e256803c757eb0 Reviewed-on: https://pdfium-review.googlesource.com/37131 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-07-03Use unowned ptr to Node from outside XFA node tree.chromium/3481Tom Sepez
Change-Id: Idcd992224fc5411c97f3001293af83a6c581e695 Reviewed-on: https://pdfium-review.googlesource.com/36991 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-03Use UnownedPtr<> in cxfa_nodeiteratortemplate.hTom Sepez
Change-Id: I48c20a56ca25a6821bc9b51aa59c037fe2341194 Reviewed-on: https://pdfium-review.googlesource.com/36972 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-03Use more UnowendPtr<> in cfgas_formatstring.h and cfx_break.hTom Sepez
Move initializers to .h file (proves none missing). Change-Id: Iff8fe76e46634aa32a32ecd592476594a9d1bafa Reviewed-on: https://pdfium-review.googlesource.com/36950 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-07-03Use UnownedPtr<> in cfwl_notedriver.hTom Sepez
Re-order owned/unowned references to obey lifetime constraint. Change-Id: I589746b3c2e7d8c45d26d63d09eef977b095226d Reviewed-on: https://pdfium-review.googlesource.com/36970 Commit-Queue: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-03Use UnownedPtr<> in cfwl_messagekillfocus.hTom Sepez
Also make private member along the way. Change-Id: I08a006a1bcca4e8ca21834dfda695a2d77d0a431 Reviewed-on: https://pdfium-review.googlesource.com/36930 Commit-Queue: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-03Use UnownedPtr<> in cfwl_scrollbar.h and cfwl_themebackground.hTom Sepez
Change-Id: Ib65197a9cd9de173de8e77db168dcfbb43669022 Reviewed-on: https://pdfium-review.googlesource.com/36911 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-03Use UnownedPtr<> in cxfa_{ffwidgethandler,imagrenderer,loadercontext}.hTom Sepez
Change-Id: I25496c9792a99ca27d2ab84c267770ff941cf921 Reviewed-on: https://pdfium-review.googlesource.com/36912 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-07-03Use more UnownedPtr<> in cfxa_ffpageviewTom Sepez
Change-Id: Ifdb9fb23d61082b7c1b9b93c057e0881959cea2a Reviewed-on: https://pdfium-review.googlesource.com/36530 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-07-03Remove XFA_LAYOUT_INVALIDNODETom Sepez
XFA_LAYOUT_INVALIDNODE is used in place of nullptr, but does not appear to represent a sentinel value distinct from it. Using a non-nullptr value prevents using any kind of smart pointer type in the future. Change-Id: Iab6418b3dc9c3d45780730795496ac07b67de696 Reviewed-on: https://pdfium-review.googlesource.com/36651 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-07-02Comment some raw pointers that cant become UnownedPtr<>.Tom Sepez
These appear in compile-time const data. Adding the comment makes it easier to see what work remains when using grep. Change-Id: Ibb5fe920dc9fc99dd4c866f9ddf800a58f6a67a8 Reviewed-on: https://pdfium-review.googlesource.com/36690 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-07-02Use UnownedPtr<> in cfwl_event.h and cfwl_message.hTom Sepez
Change-Id: I1981eb23006db203e845e954a7847cfa992d5e03 Reviewed-on: https://pdfium-review.googlesource.com/36710 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-29Use UnownedPtr<CXFA_Node> or comment raw pointers as tree nodes.chromium/3479chromium/3478Tom Sepez
Part 2. Change-Id: I26fe434dac3c3f5186414440acc2a495a5f14091 Reviewed-on: https://pdfium-review.googlesource.com/36670 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-06-29Use UnownedPtr to CXFA_Node from outside the treechromium/3477Tom Sepez
Comment raw pointers subject to nondeterministic tree destruction order as such to avoid re-attempting to convert to the unowned mechanism. Change-Id: Ia9fe3c8a2729dc1e2b1de4a8c62ae3d2c3d7ec0a Reviewed-on: https://pdfium-review.googlesource.com/36635 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-06-29Use more UnownedPtr<> in cxfa_ffwidgetTom Sepez
Change-Id: Iae962711f522ad52e77f19201d00d9ab86096ca4 Reviewed-on: https://pdfium-review.googlesource.com/36510 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-06-27Remove CXFA_FField::UnloadWidget().Tom Sepez
It is only called during the destructor, and does things that the destructor would automatically do, like calling into the superclass. So just use destructors. Change-Id: I1196817798eeca99914b44ddee1f75781e682211 Reviewed-on: https://pdfium-review.googlesource.com/36231 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-27Use unowned ptr for IFWL_ delegatesTom Sepez
Change-Id: I1e9059242dad254394b73c6fddb010b182e969f0 Reviewed-on: https://pdfium-review.googlesource.com/36230 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-26Assert that tab width assumption holds in CFX_RTFBreak.Henrique Nakashima
Bug: chromium:844367 Change-Id: I3cbe5d97a913c734c3d54657a2fb47b30cc362fe Reviewed-on: https://pdfium-review.googlesource.com/36191 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-06-26Fix Integer-overflow in CFX_RTFBreak::AppendChar_TabHenrique Nakashima
Bug: chromium:844367 Change-Id: Id8185ea0219c03b4f8683362a3c2a45d481a5cfb Reviewed-on: https://pdfium-review.googlesource.com/36170 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-06-22Avoid some duplicate const/non-const getters.Tom Sepez
Getters should nearly always be const when they return a non-const pointer to an unowned object. Saves a bit of code along the way. Grep for similar occurrences and add "const". Change-Id: I492bf962a7d62452fa40310146226dc0c8ebb753 Reviewed-on: https://pdfium-review.googlesource.com/35890 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-06-21Clean up constant values for JS alert and beepRyan Harrison
Define constant values in the public API for the valid values of alert button type, alert icon type, and beep type. Replace various magic numbers through out the code base using these values. Also replace the XFA specific versions with an enum class that is guaranteed to have the same values, instead of #defines that just happen to. This CL does not attempt to add error checking on these values, since it currently doesn't exist so adding it may cause regressions. Change-Id: Ief3aee2a4ad419691c18fc1dba8b984ad222141b Reviewed-on: https://pdfium-review.googlesource.com/35730 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-21Remove WideString::c_str() calls where possible.Tom Sepez
Many of these cause a string duplication as we go from Widestring => c_str => Widestring Change-Id: I0dfa952e66f89138e719ff9200db3d9397839e28 Reviewed-on: https://pdfium-review.googlesource.com/35790 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-06-20Avoid more .c_str() usage, part 3Tom Sepez
Change-Id: I5dfadcb68e640235be6e3eb7c8d57ae3b8013d26 Reviewed-on: https://pdfium-review.googlesource.com/35691 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-20Re-work some more c_str() usage.Tom Sepez
Many of these are converting ByteString => c_str => ByteStringView, since the ByteStringView ctor is implicit. This is unfortunate, since that involves a strlen() which the ByteString already knows if we use AsStringView() instead. This changed one test result where we can now return the string "\0" instead of "" -- since strlen no longer eats the NUL. This seems consistent, say, with String.fromCharCode(). Change-Id: I17f68d1a1f4b352960208f9148e68ab4c4d78bd2 Reviewed-on: https://pdfium-review.googlesource.com/35590 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-19Move fxcrt::{Byte,Wide}Strings with std::move().chromium/3466Tom Sepez
Remove some string copies in barcode that were noticed whilst looking for moves. Change-Id: Ieda34d00f633576ba1f0dca283dcdabfb36f236c Reviewed-on: https://pdfium-review.googlesource.com/35410 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-06-14[formcalc] Calculate length of string when calling FXSYS_wcstofDan Sinclair
When calling the FXSYS_wctof method we currently pass in -1 from AdvanceForNumber. This tells the method to calculate the string length. This can be slow for a formcalc string with a lot of numbers. This CL changes the call to pass in the length of remaining data in the original string. This takes the MSAN runtime of the case in the linked bug from ~21seconds to ~500ms. The debug runtime goes from ~2s to ~500ms. Bug: chromium:846104 Change-Id: Idbd19a728160f35982e21c0d97567fbbeefe667a Reviewed-on: https://pdfium-review.googlesource.com/35210 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-06-14Move definition of XFA_SCRIPTATTRIBUTEINFO into cjx_object.h.Peter Collingbourne
This allows compilers targeting the MS ABI to select the correct inheritance model for the member function pointer type XFA_ATTRIBUTE_CALLBACK using the complete type of CJX_Object. It will allow us to enable the new Clang flag -fcomplete-member-pointers globally. Bug: chromium:847724 Change-Id: I90cedde8c5355e5eb896a93f0e43e6a1e1d09dbc Reviewed-on: https://pdfium-review.googlesource.com/35190 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-06-12[fm2js] Convert formcalc tests to use raw literalsDan Sinclair
This CL updates some of the formcal tests to use raw literals instead of escaping lots of things. Change-Id: I539063b6c98aae318147b7103a0fd84e6b76054f Reviewed-on: https://pdfium-review.googlesource.com/34190 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2018-06-06[fm2js] Fixup initialized variable conversionDan Sinclair
When converting a Var statement from formcalc to JS we would neglect to add the ; if the variable was initialized. This generated invalid JS as we'd end up with two statements smushed together. FormCalc: var s = "" Previous JS: var s = ""s = pfm.... New JS: var s = ""; s = pfm ... Bug: pdfium:1097 Change-Id: I8a869f07374cac68a06a487dace89699a4e5540c Reviewed-on: https://pdfium-review.googlesource.com/34110 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-06-05[xfa] Make the event context available when calling back in XFADan Sinclair
When calling into the XFA JS engine with a request for a non-XFA JS call which accesses the EventContext we would get a crash in XFA as we never set the context. This CL changes the XFA code to accept the CJS_Runtime instead of the CFXJS_Engine and then calls NewEventContext before executing JS scripts. This will correctly setup the event context as needed for any JS callbacks. Bug: pdfium:1003 Change-Id: Icf202252b2e6e56afdf0d1766a32a893935a2fd3 Reviewed-on: https://pdfium-review.googlesource.com/33930 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-06-05Clean up CFX_TxtBreakRyan Harrison
Removed some unused assignments and now unused variables. Also rewrote a for loop so that its secondary condition is now in the control block. The static analyzer was claiming it was possible for a division by 0, though following the control path it was claiming, I am pretty sure it should have exited early. This reorganizing of the code makes it a bit more readable and eliminates the div by 0 warning from the static analyzer. Issues found with Clang Static Analyzer. Change-Id: I91f1b42374734665b06724e9fafa6490e06bd3da Reviewed-on: https://pdfium-review.googlesource.com/33910 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-06-04Remove unused assignment from CFX_RTFBreakRyan Harrison
This assignment is never used, so removing it. Issue found with Clang Static Analyzer. Change-Id: I5cf4bd9626f0a0391681c3923ae1bee70ffb99c7 Reviewed-on: https://pdfium-review.googlesource.com/33791 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-06-04[xfa] Get properties from the non-xfa global if possibleDan Sinclair
When script variables are used the methods are set on the non-xfa global object. This CL updates the NormalPropertyGetter to check the non-xfa global object for methods which allows the variables methods to be found. Bug: pdfium:1097 Change-Id: I13d9d49ad654cad776883aef74de6250de5e756b Reviewed-on: https://pdfium-review.googlesource.com/33433 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-06-01Rename CPDFXFA_Context::GetTimerMgr() to NewTimerMgr()Tom Sepez
Because it returns an unique_ptr to a newly-created object. Also rename m_pTimeMgrAdapter to m_pAdapterTimerMgr, because in English, adjectives come first, and this is a TimerMgr obtained from an Adatper, not an Adapter for a TimerMgr. Also change TimeMgr to TimerMgr since the manager manages timers, not time itself. Follow-on from https://pdfium-review.googlesource.com/c/pdfium/+/33230 No functional change. Change-Id: I08d2b6cd8cc816f38326e87ee46060f091c74fdf Reviewed-on: https://pdfium-review.googlesource.com/33570 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-06-01Move variable into loop scopeRyan Harrison
The variable is not used outside of the loop. This was noted by tsepez@ after landing the initial CL to clean up this code. Change-Id: Id7d6713db4fa6bdfe867c151290cb28329ae7042 Reviewed-on: https://pdfium-review.googlesource.com/33590 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-06-01Clean up some issues found in CXFA_TextLayoutRyan Harrison
Initialize pCharPos to non-NULL, so that later code can depend on it != nullptr, avoiding a potential call to memset on nullptr. Additionally get rid of a free then alloc pattern and just use realloc. Later on remove updates to fBaseLineTemp that have not effect, since it isn't read after them. Issues found with Clang Static Analyzer. Change-Id: Iff175e20cd8860d263a56a24c8781e214c61d02c Reviewed-on: https://pdfium-review.googlesource.com/33533 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-06-01Return unique_ptr from CPDFXFA_Context::GetTimerMgr()Tom Sepez
Proves ownership by avoiding a std::unique_ptr::reset() call. Change-Id: Ia6e11920d84dda49699736ef3189e58d240d409e Reviewed-on: https://pdfium-review.googlesource.com/33230 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-06-01Remove ununused startAngle and sweepAngle variablesRyan Harrison
Neither of these local values ever get read after calculating them. Issue found with Clang Static Analyzer. Change-Id: Iffa578f1d5e303c65a881bcd372a9144a11edd3b Reviewed-on: https://pdfium-review.googlesource.com/33532 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-06-01Remove initialization of wchar_t chRyan Harrison
This value is overwritten at the beginning of the following while loop, so the initialized value is never used and the method called is const, so should be side effect free. Issue found with Clang Static Analyzer. Change-Id: I77f27daccd3aa1edd434cfa3e0dd7bc095db06d0 Reviewed-on: https://pdfium-review.googlesource.com/33550 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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