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2015-04-27Make CFX_WideString::LockBuffer() completely unused.Tom Sepez
Then remove CFX_{Wide,Byte}String::LockBuffer(). Prelude to a vast simplification. There's an additional copy now in one place, so shoot me. BUG=pdfium:144 R=thestig@chromium.org Review URL: https://codereview.chromium.org/1053613004
2015-04-27SEGV in CFX_BaseSegmentedArray::Iterate() when CS has malformed dictionary.Tom Sepez
Failure to check document-controlled value before using it. BUG=481363 R=palmer@chromium.org, thestig@chromium.org Review URL: https://codereview.chromium.org/1110653002
2015-04-27Fix windows-specific usage of CFX_WideStr::operator LPCWSTR().Tom Sepez
Carry-on from https://codereview.chromium.org/1108903002/ R=brucedawson@chromium.org Review URL: https://codereview.chromium.org/1103343002
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
2015-04-22Add missing operators for CFX_WideStringC.Tom Sepez
Part 2 of 4. R=thestig@chromium.org TBR=brucedawson@chromium.org BUG=pdfium:142 Review URL: https://codereview.chromium.org/1099193002
2015-04-22Add missing operators for CFX_ByteStringC.Tom Sepez
Removing the implicit cast operator forces a build breakage should we use ByteStringC in STL containers. Adding an operator< restores correct behaviour. Adding an operator[] avoids re-writing some code to call GetPtr() prior to array indexing. Part 1 of 4. R=thestig@chromium.org TBR=brucedawson@chromium.org BUG=pdfium:142. Review URL: https://codereview.chromium.org/1090303003
2015-04-22Add missing operators for CFX_WideStringTom Sepez
Part 4 of 4. BUG=pdfium:142 R=brucedawson@chromium.org, thestig@chromium.org Review URL: https://codereview.chromium.org/1084293003
2015-04-22Add missing operators for CFX_ByteString.Tom Sepez
Part 3 of 4. BUG=pdfium:142 R=brucedawson@chromium.org, thestig@chromium.org Review URL: https://codereview.chromium.org/1099213002
2015-04-21Fix a regression with cut off images.chromium/2387chromium/2386chromium/2385chromium/2384chromium/2383chromium/2382chromium/2381chromium/2380chromium/2379chromium/2378Lei Zhang
This regressed in commit 3f41851 due to shadow variables. BUG=478164 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1101443004
2015-04-21Kill CFX_StringBufTemplate.Tom Sepez
It's unused. R=thestig@chromium.org Review URL: https://codereview.chromium.org/1098203002
2015-04-21Fix a crashier due to images with abnormal sizeJUN FANG
BUG=453553 R=thestig@chromium.org, tsepez@chromium.org Review URL: https://codereview.chromium.org/1093323003
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
2015-04-16Make CFX_StockFontArray more robust.Lei Zhang
- Check bounds when accessing array. - Remove potential memory leak. - Merge duplicate code. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1094763002
2015-04-16Replace FX_NEW with new, remove tests from fpdfapiTom Sepez
Very few places where a change is required, but remove FX_NEW to show they've been audited. R=thestig@chromium.org Review URL: https://codereview.chromium.org/1075953004
2015-04-16Replace FX_NEW with new, remove tests from fpdftextTom Sepez
R=thestig@chromium.org Review URL: https://codereview.chromium.org/1085363003
2015-04-16Replace FX_NEW with new, remote tests from fxcodecTom Sepez
R=thestig@chromium.org Review URL: https://codereview.chromium.org/1084303002
2015-04-16Replace FX_NEW with new, remove tests in fpdfdoc.Tom Sepez
R=thestig@chromium.org Review URL: https://codereview.chromium.org/1090693002
2015-04-16Remove checks in fxge/{apple,win32,skia,dib} now that FX_NEW cant return 0Tom Sepez
R=thestig@chromium.org Review URL: https://codereview.chromium.org/1062863006
2015-04-16Remove checks in fxge/ge now that FX_NEW can't return 0.Tom Sepez
R=thestig@chromium.org Review URL: https://codereview.chromium.org/1081443004
2015-04-15Remove checks in fxcrt now that FX_NEW can't return 0.Tom Sepez
Replace them with |new| so that we can tell by the presence of FX_NEW the places that still need to be audited. R=thestig@google.com, thestig@chromium.org Review URL: https://codereview.chromium.org/1052553006
2015-04-15Fix offset outside bounds of constant string warningsJUN FANG
BUG=380476 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1061013003
2015-04-14Land on Master: Fix two new / free mismatchesTom Sepez
Note: Landed on XFA first by mistake. Original review: https://codereview.chromium.org/1085963002/ TBR=brucedawson@chromium.org Review URL: https://codereview.chromium.org/1090463002
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
2015-04-13Fix a heap overflow in CJBig2_Context::parseSymbolDictchromium/2371chromium/2370chromium/2369JUN FANG
BUG=476107 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1080893002
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
2015-04-10Better fix for snprintf non-termination on windows.Tom Sepez
Replaces https://codereview.chromium.org/1062983002/ BUG=469244 R=brucedawson@chromium.org Review URL: https://codereview.chromium.org/1077903002
2015-04-10Fix a stack overflow in CPDF_Parser::LoadCrossRefV5JUN FANG
A stack overflow was triggered by checked_cast due to invalid index in pdf files like 'Index[45 -1661]'. BUG=473400 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1054303005
2015-04-10Don't call FPDF_InitLibrary() in individual unit_tests.Tom Sepez
The initialization sequence becomes more complicated as v8 evolves and when we move to XFA (where pdfium_unittests are currently broken). Centralize this initialization in a few places, like the embedder_test framework and the pdfium_test binary, and convert tests that require it into embedder_tests rather than unit_tests. Change on master first before moving to XFA. R=thestig@chromium.org Review URL: https://codereview.chromium.org/1071343002
2015-04-09Fix a global buffer overflow in GCPDF_CIDFont::_CharCodeFromUnicodechromium/2368chromium/2367chromium/2366chromium/2365chromium/2364Jun Fang
There is not a code page (CP) used for converting unicode to mutli-bytes if the coding scheme is CID coding. Only return 0 if CID can't be retrieved. The difference on Windows and other platforms should be the function used for converting rather than others. BUG=466790 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1074653002
2015-04-07Fix a stack overflow issue caused by an invalid usage of snprintfJun Fang
BUG=469244 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1062983002
2015-04-03Update the path of header file to avoid a compiling error in chromechromium/2363chromium/2362chromium/2361chromium/2360chromium/2359chromium/2358JUN FANG
BUG=N/A R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1059233005
2015-04-03No-op change to poke the bots after being out of sequence.Tom Sepez
Adds a comment and changes some whitespace. TBR=jun_fang@foxitsoftware.com Review URL: https://codereview.chromium.org/1059373002
2015-04-03Fix a compiling error in fpdf_parser_parser_embeddertest.cppJun Fang
BUG=N/A R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1057383002
2015-04-03Add embedder test comparing with the last patch.JUN FANG
When there is a wrong keyword like '??ze' in the dictionary of the trailer, PDFium can't recognize it and aborts further parsing. After this change, PDFium continues even it can't get the right size at this moment. It will rebuild the cross reference table later since the size of the table is missing. BUG=459580 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1055323003
2015-04-02Fix uninitialized face in fx_ge_font.cppJUN FANG
MSAN reported this issue when I tried to reproduce 460936 in the last version of freetype on Linux. BUG=N/A R=thestig@chromium.org Review URL: https://codereview.chromium.org/1050333002
2015-03-30Fix no text displayed issue when font embedded and font subsetting enabledchromium/2356chromium/2355chromium/2354chromium/2353chromium/2352JUN FANG
BUG=465322 R=thestig@chromium.org Review URL: https://codereview.chromium.org/1045553004
2015-03-26Use correctly-typed error codes for fx_codec_jpx_unittestTom Sepez
Needed to fix the failed pdfium_unittests on windows. Ironically, I created these constants so I wouldn't mix up size_t's and off_t's in these tests, but I didn't apply them consistently. R=thestig@chromium.org Review URL: https://codereview.chromium.org/1036743005
2015-03-20Fix missing include for std::minTom Sepez
Build broken on trybot at http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel/builds/66012/steps/compile%20%28with%20patch%29/logs/stdio R=thestig@chromium.org TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/1026843002
2015-03-19Fix subtle issues in opj_skip_from_memory and add unit tests.Tom Sepez
Follow on to https://codereview.chromium.org/990683002/. This more closely mimics what fseek() actually does, so as to avoid subtle bugs down the road. Move the DecodeData struct into a header so the test can use it, and provide a constructor for it. Along the way, I added include guards, removed the p_ prefix from some non-pointer vars, fixed some IWYU, and resolved some signed/unsigned comparison warnings with careful casting. BUG=452671 R=jun_fang@foxitsoftware.com, thestig@chromium.org Review URL: https://codereview.chromium.org/1016203002
2015-03-17Revert "Fix a problem that JP2 image is not displayed because index color ↵Tom Sepez
space is used" This reverts commit 5a0e504d53195892458d819e52c62bea0c710bd5. Original review URL https://codereview.chromium.org/1009513003 Reason for revert: New "corpus" tests show that this is no longer rendering some images. See, e.g. http://chromegw/i/client.pdfium/builders/linux/builds/144/steps/corpus%20tests/logs/stdio for those that diff'd. TBR=jun_fang@foxitsoftware.com Review URL: https://codereview.chromium.org/1016823003
2015-03-16Fix a problem that JP2 image is not displayed because index color space is usedJUN FANG
There are two issues in this bug. One is that JP2 image is not displayed because it aborts loading Jpx bitmap when the number of components in color space is different with that one in JPX images. I found that the number of components in color space isn't updated after it's initialized. For index color space, the component shall inherit from its base color space. The second issue is that displayed color is not correct after I fixed the first issue. The root cause is that sRGB is used in JPX image, it doesn't need to map from index to RGB again. BUG=464215 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1009513003
2015-03-16Fix a bug that JPX images can't be shownJUN FANG
In the process of opj_end_decompress, it will return fail when the end of coding stream is reached. However it returns true in the same scenario implemented in openJPEG. So the final solution is from openJPEG. Return true when the end of coding stream is reached. BUG=452671 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/990683002
2015-03-16Fix potential integer overflow in fpdf_render_image.cppJUN FANG
BUG=382661 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1007643002
2015-03-12Revert "Kill CFX_GrowOnlyPool."Tom Sepez
This reverts commit 090d683489bfa3f36f1e2624c310ff9ca5836038. Symbol appears in files that are not compiled anywhere, it would seem. Reverting to remove these first. TBR=thestig@chromium.org Review URL: https://codereview.chromium.org/1001023003
2015-03-12Kill CFX_GrowOnlyPool.Tom Sepez
It's unused, and when the time comes, we'll want to put pdfium onto a hardened allocator like partitionAlloc anyways. Along the way, merge adjacent #ifdef __cplusplus blocks, remove a pointless check for __cplusplus inside a .cpp file, and remove a redundant cast. R=thestig@chromium.org Review URL: https://codereview.chromium.org/1008483002
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