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2015-04-27Reduce usage of operator LPCWSTR from CFX_WideString().Tom Sepez
This involves adding some explicit c_str() calls. Doing so flagged PDF_EncodeText() and FindOptionValue() as having suboptimal signatures, in that we are often throwing away a perfectly fine length and recomputing it. There are still some platform-specific code that needs the operator. R=brucedawson@chromium.org Review URL: https://codereview.chromium.org/1101933003
2015-04-27Revert "Kill operator LPCWSTR from CFX_WideString()."Tom Sepez
This reverts commit 15a62973b9b89c3e229cc0ab501c45967f91b325. Reason for revert: broke build on windows, mac. I must have missed some platform-specific conversions. TBR=brucedawson@chromium.org Review URL: https://codereview.chromium.org/1108883002
2015-04-27Kill operator LPCWSTR from CFX_WideString().Tom Sepez
This involves adding some explicit c_str() calls. Doing so flagged PDF_EncodeText() and FindOptionValue() as having suboptimal signatures, in that we are often throwing away a perfectly fine length and recomputing it. R=brucedawson@chromium.org Review URL: https://codereview.chromium.org/1101933003
2015-04-23Fix segmentation fault 'denial of service condition'JUN FANG
BUG=467392 R=thestig@chromium.org, tsepez@chromium.org Review URL: https://codereview.chromium.org/1064713008
2015-04-20Remove Release() from CPDF_PageObjectTom Sepez
BUG=pdfium:140 R=thestig@chromium.org Review URL: https://codereview.chromium.org/1093213002
2015-04-17Fix all remaining instances of FX_NEW.Tom Sepez
R=thestig@chromium.org Review URL: https://codereview.chromium.org/1084613006
2015-04-17Set m_FontType in CPDF_Font() constructor.Tom Sepez
This can't change for the life of the object, so tidy up some wild uses throughout the code. Also kill pointless Initialize() method. R=thestig@chromium.org Review URL: https://codereview.chromium.org/1060813003
2015-04-14Kill CFX_Object.Tom Sepez
CFX_Object is a type that implements its own new operators that return NULL on error. There's no need for this given the |new (std::nothrow)| syntax; in fact, the current code can only work if there is no activity in the constructors. This may explain the pervasive lack of constructors and reliance on Init() methods throughout the codebase. The activity takes place in fx_memory.h, where FX_NEW is mapped onto the std::nothrow syntax. The rest is just cleanup. Down the road, we will simply throw and remove all the error-checking paths for new objects. Landing this patch first will at least show a simple path back to the old behaviour without having to re-introduce CFX_Object should someone want to do so in their own fork. R=thestig@chromium.org Review URL: https://codereview.chromium.org/1088733002
2015-04-11Fix compiling warnings on WindowsJun Fang
TBR=tsepez@chromium.org BUG=N/A Review URL: https://codereview.chromium.org/1081663002
2015-04-11Fix a heap buffer overflow issue in CPDF_CMap::GetNextCharJUN FANG
Add a check to make sure offset is less than the size of string in the function of GetNextChar(). BUG=471651 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1067073003
2015-02-11CPDF_Object() constructor should set its internal m_Type variable.Tom Sepez
Follow-on from https://codereview.chromium.org/911293002/ Currently, all the subclass constructors are reaching up into the parent class to do this. Fix this, just because. R=thestig@chromium.org Review URL: https://codereview.chromium.org/880233005
2015-02-10Fix uninitialized value in CFX_ByteString::FormatIntegerchromium/2304chromium/2303chromium/2302JUN FANG
BUG=449845 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/911293002
2015-02-05Merge to master: Kill off some dodgy JS callbacksTom Sepez
Note that this work was done opposite the usual branch order, because I didn't want to kill things in master that turned out to be in use in XFA. Original Review URL: https://codereview.chromium.org/883393007 TBR=jam@chromium.org Review URL: https://codereview.chromium.org/903893002
2015-01-27Kill scattered extern _PDF_CharType declarations.chromium/2292chromium/2291chromium/2290Tom Sepez
While we're at it, avoid an indirection through a pointer, and use a name that isn't reserved for the compiler (leading _ CAP). This is a small portion of the associated bug: BUG=https://code.google.com/p/pdfium/issues/detail?id=112 R=brucedawson@chromium.org Review URL: https://codereview.chromium.org/880663003
2015-01-26Fix infinite recursion in CPDF_Parser::ParseIndirectObjectAt().Tom Sepez
A suitably corrupted file can cause the parser(s) to repeatedly re-read sections of the file at increasing parser recursion depth until the stack is exhausted. There is supposed to be a check for this based upon the parser "level", but not all call paths pass or update the level as required. Much as I hate per-class statics, this introduces one to track the depth so that the check is enforced no matter how screwy the call path might be that leads the parser to re-enter itself. This is more palatable than trying to find all these paths and fix them. We know this is OK since there is only one thread in here modifying the static. BUG=451830 R=thestig@chromium.org Review URL: https://codereview.chromium.org/875263002
2015-01-22Use IPDF_DataAvail interface to hide CPDF_DataAvail.Tom Sepez
Currently, no callers go through the Interface, which makes having a separate interface class kind of pointless. After converting callers away from using the CPDF_DataAvail concrete class, it can be moved from the header to the .cpp file. R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/873523002
2015-01-09Fix -Wnon-virtual-dtor compiler warnings.Tom Sepez
This is done by explicitly adding a virtual dtor to interface classes, since the cost is small given that there are already virtual functions. The exceptions are for classes that have a Release() or Delete() method, in which case it is non-virtual and protected to indicate that the virtual class is never the deletion point. BUG= R=brucedawson@chromium.org, thestig@chromium.org Review URL: https://codereview.chromium.org/810883005
2014-12-12Simplify PDFium by removing code that's not used in the open source repo.John Abd-El-Malek
-remove parameter from FPDF_InitLibrary -remove a bunch of ifdefs that are unused R=tsepez@chromium.org Review URL: https://codereview.chromium.org/801913002
2014-10-14Store the address of the page data map's value for proper referencing.Bo Xu
CPDF_Pattern objects are counted and maintained in m_PatternedMap. When a CPDF_Pattern object "pattern" is deleted, it's address is marked as NULL in m_PatternMap. This patch stores the address of CPDF_Pattern's adderss in all objects that references "pattern", to ensure valid referencing after deletion. BUG=416319, 419976, 418392 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/656753002
2014-10-13Fix off-by-one in sizing of m_EmbeddedToUnicodes.Tom Sepez
BUG=421196 R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/656463006
2014-09-16When forcing clear page data, no need to release colorspace when releasing ↵Bo Xu
pattern BUG=414661 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/572853006
2014-09-09Change the forced clear order of CPDF_DocPageData::Clear, and remove ↵Bo Xu
m_pDocument in CPDF_Color If not forced clear, the counter of CPDF_Pattern will take care the count of referenced instance. When forced clear, clear color first to make sure pattern still exists when referencing it. BUG=411154 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/554913003
2014-09-09Fix uninitialized value in CPDF_ColorStateDataBo Xu
BUG=411161 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/560673002
2014-09-09Revert of Fix uninitialized value in CPDF_ColorStateData (patchset #1 id:1 ↵Bo Xu
of https://codereview.chromium.org/547863002/) Reason for revert: The initialized member variable is wrong. Needs to undo this. Original issue's description: > Fix uninitialized value in CPDF_ColorStateData > > BUG=411161 > R=tsepez@chromium.org > > Committed: https://pdfium.googlesource.com/pdfium/+/a38d4c3572b566f8e64b9ca4f725cbbc581e85ab TBR=tsepez@chromium.org,jun_fang@foxitsoftware.com NOTREECHECKS=true NOTRY=true BUG=411161 Review URL: https://codereview.chromium.org/558803004
2014-09-08Fix uninitialized value in CPDF_ColorStateDataBo Xu
BUG=411161 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/547863002
2014-09-02Add m_pDocument in CPDF_Color and check if page date has been forced clearBo Xu
This will prevent using freed pattern object. This is a better solution than https://pdfium.googlesource.com/pdfium/+/1b9c5c4dc41956b8c5ab17b9a882adf8a2513768 and in essence revert that patch BUG=409373 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/522483003
2014-08-25Use number of components from ICC profile and alternate color spaceBo Xu
BUG=406806 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/503883002
2014-08-25Revert of Use number of components from ICC profile and alternateCS ↵Bo Xu
(patchset #1 of https://codereview.chromium.org/493163003/) Reason for revert: Needs to address comments before landing Original issue's description: > Use number of components from ICC profile and alternate color space > > BUG=406806 > > Committed: https://pdfium.googlesource.com/pdfium/+/be83103 TBR=tsepez@chromium.org,jun_fang@foxitsoftware.com NOTREECHECKS=true NOTRY=true BUG=406806 Review URL: https://codereview.chromium.org/504883003
2014-08-25Use number of components from ICC profile and alternate color spaceBo Xu
BUG=406806 Review URL: https://codereview.chromium.org/493163003
2014-08-22Fix the issue 'SEGV on unknown address in CPDF_DataAvail::GetObjectSize'Jun Fang
BUG=387983 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/454283002
2014-08-18Font is used after release in CPDF_TextStateData::~CPDF_TextStateDataJun Fang
BUG=400996 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/477323002
2014-08-13Add FX_OVERRIDE and use it for virtual functions of FX_FINAL classes.Tom Sepez
Should there be cases where this fails to compile, it indicates a mistake, either an incorrectly declared overrriden virtual method, or a method that should be declared non-virtual. The only issues were with CPDF_CustomAccess::GetBlock(), CPDF_CustomAccess::GetByte(), and CPDF_CustomAccess::GetFullPath(). These don't appear to be used anywhere, and are removed. Two members are removed that are no longer needed once those methods are removed. R=jam@chromium.org, jun_fang@foxitsoftware.com Review URL: https://codereview.chromium.org/454983003
2014-08-05The root cause of this issue is shown as below:Jun Fang
Patterns are managed in CPDF_DocPageData. When a document is closed, all patterns will be released in the deconstruction of CPDF_DocPageData. However, some patterns which are referenced in CPDF_Color can't get the notification from the destroy of CPDF_DocPageData. It will cause use-after-free in CPDF_Color::~CPDF_Color. BUG=392719 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/439693002
2014-07-18pdfium: Fix all -Wdelete-non-virtual-dtor violations on Mac.Nico Weber
Calling `delete` on an object of a type that has virtual functions but not a virtual destructor is questionable: Since the object has virtual functions, it likely has subclasses, so if it's deleted through the base pointer and the destructor isn't virtual, the subclass destructor won't be called. In most cases, the classes getting deleted can just be marked final to tell the compiler that it can't possibly have subclasses (this also enables the compiler to generate better code). Two classes didn't have any sub- or superclasses but virtual functions - this doesn't make sense, so make all methods of these classes non-virtual. (Also delete an unused function on one of the two classes.) In one case, a class actually did have a subclass that needs to be deleted virtually, so mark one destructor as virtual. BUG=none R=bo_xu@foxitsoftware.com Review URL: https://codereview.chromium.org/370853002
2014-07-07fix a crash issue in _CMapLookupCallbackfoxit
BUG=382242 R=palmer@chromium.org Review URL: https://codereview.chromium.org/341333004
2014-06-30Remove "this==NULL" and adjust corresponding callersBo Xu
BUG= R=thakis@chromium.org Review URL: https://codereview.chromium.org/361553002
2014-06-12Enable security removal in FPDF_Doc_SaveBo Xu
R=jam@chromium.org Review URL: https://codereview.chromium.org/333753002
2014-05-23Convert all line endings to LF.John Abd-El-Malek
2014-05-17Initial commit.John Abd-El-Malek
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