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Get rid of leading _CAPITAL identifiers.
A large number of these didn't actually match the filename.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1160443004
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This avoids unchecked multiplications when computing a size argument
to malloc(). Such an overflow is very scary, and can result in
exploitable bugs.
Along the way, kill off some return checks, since we know this can't
return NULL.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1143663004
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Add a FX_TryAlloc() for those few cases where we might need to continue
in face of OOM.
Remove FX_AllocNL() (the context of its use would suggest that NL
means "No Limit"). This is used for some big allocations, so replace
it with TryAlloc(). Large allocations may be worth trying to continue
from, since there are few and they have a large chance of failing.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1128043009
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There isn't much point in having macros that obscure obvious
language features.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1135273004
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If ConcatCopy somehow gets a zero nNewlen, it returns early, without
allocating a new m_Data. ConcatInPlace then frees the old one, leaving
m_Data dangling.
Also be concerned about the multiplication in the widestring version.
So use wmemcpy and let the library cope with it.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1130763007
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This is a precondition for someday combining Byte/Wide strings
via templates.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1142533002
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The checked conversion can be re-enabled now that there is a public
API free of private headers like this one.
This reverts commit 6661fd4c26106cd530d187b36f29be7e5c98b70f.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1133323003
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This is a fix to hide pdfium's safe_conversions.h from the
higher-level callers.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1132163002
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Also fix a few nits and other errors along the way.
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1098583002
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This mimics the std:: behaviour.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1130053003
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Reason for revert: No longer needed in face of 9ea57a43faea
TBR=thestig@chromium.org
Review URL: https://codereview.chromium.org/1122423006
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BUG=pdfium:153
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1124043003
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This gets included in chromium's pdfium_engine.cc, and thus must pass a
higher error level. There's probably a follow-up to check why the FPDF_ api
doesn't insulate chromium from this file.
TBR=thestig@chromium.org
Review URL: https://codereview.chromium.org/1127043004
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Separate out the overload when the length is not known, and be sure that
strlen() call is in the header so that strlen("foo") => 3 (since many
compilers support this optimization).
Also delete some unused types.
BUG=pdfium:151
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1117263004
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Part two. Fix same issue in wide strings as in their bytestring
counterparts.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1127753002
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I spent at least 2 minutes grep'ing for a class or struct (on the other
branch) that was delcared using this.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1129433002
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R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1125703004
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... and there are a few inconsistencies which we can now fix. Also add a
comment about why these strings aren't headed for the dust-bin long term.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1122573002
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Also prevent theoretical roll-over where long smaller than intptr_t.
See bug for discussion.
BUG=pdfium:149
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1117413002
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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
Committed: https://pdfium.googlesource.com/pdfium/+/ee7412f5aef353e5c6f1a64d0e1708ed926869d9
Committed: https://pdfium.googlesource.com/pdfium/+/5a256ad29483eb2b13e6e2c89fe0f77a9103f68f
Review URL: https://codereview.chromium.org/1053613004
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This reverts commit 5a256ad29483eb2b13e6e2c89fe0f77a9103f68f.
Reason for revert: broke JS tests.
TBR=thestig@chromium.org
Review URL: https://codereview.chromium.org/1112673002
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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
Committed: https://pdfium.googlesource.com/pdfium/+/ee7412f5aef353e5c6f1a64d0e1708ed926869d9
Review URL: https://codereview.chromium.org/1053613004
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This reverts commit ee7412f5aef353e5c6f1a64d0e1708ed926869d9.
Reason for revert: VS compile broke.
TBR=thestig@chromium.org
Review URL: https://codereview.chromium.org/1106333003
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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
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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
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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
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Part 2 of 4.
R=thestig@chromium.org
TBR=brucedawson@chromium.org
BUG=pdfium:142
Review URL: https://codereview.chromium.org/1099193002
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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
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Part 4 of 4.
BUG=pdfium:142
R=brucedawson@chromium.org, thestig@chromium.org
Review URL: https://codereview.chromium.org/1084293003
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Part 3 of 4.
BUG=pdfium:142
R=brucedawson@chromium.org, thestig@chromium.org
Review URL: https://codereview.chromium.org/1099213002
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It's unused.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1098203002
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R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1096853002
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R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1084613006
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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
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Restores default behavior of new.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1082253003
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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
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Three functions in fx_coordinates.h account for 60% of the warnings
when building with VS 2015, due to variable shadowing. Renaming the
function parameters is safe, resolves the warnings, and reduces
confusion.
R=tsepez@chromium.org
BUG=440500
Review URL: https://codereview.chromium.org/1077083003
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Replaces https://codereview.chromium.org/1062983002/
BUG=469244
R=brucedawson@chromium.org
Review URL: https://codereview.chromium.org/1077903002
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Confirmed manually that:
g++ --std=c++0x -o /dev/null -I. ... -c fx_xxxxx.h
is now error-free for the files in this directory. Also kill
some ifndef's around inclusion since we know this doesn't
provide benefit with modern compilers.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/1064433005
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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
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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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I thought I had done this already, apart from the third-party
libraries, but there were a couple remaining (the third-party
libraries will still call this, they should be tweaked
upstream as needed).
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/999543002
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BUG=449845
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/911293002
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The bstring's read from file is unused.
The load from file paths aren't taken.
R=jam@chromium.org
Review URL: https://codereview.chromium.org/902943003
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Headers in /include directories should be free of implementation details
from third_party. Put the types into a new header outside of /include.
Requires https://codereview.chromium.org/902443003/ before a version containing this patch is rolled into chromium.
R=jam@chromium.org
Review URL: https://codereview.chromium.org/896023003
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This is part of the project to kill off C-style casts in the code base.
Remove implict T* cast operator, and replace potentially unsafe C-style
casts with Get() method.
R=thestig@chromium.org
Review URL: https://codereview.chromium.org/889673003
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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
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Previously, UTF16LE_Encode take an optional flag to indicate
if the returned byte string has trailing zeros. In fact, no where
needs the flag to be false. So just get rid of it so callers won't
misuse.
The bug is found by https://codereview.chromium.org/837723009
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/860973002
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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
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This fixes a few cut-n-paste errors in the previous version, plus
adds more corner cases. The implementation is fixed to handle a
few of these that failed.
R=brucedawson@chromium.org
Review URL: https://codereview.chromium.org/808553013
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