History log of /external/llvm/lib/Support/MemoryBuffer.cpp
Revision Date Author Comments (<<< Hide modified files) (Show modified files >>>)
10dedb9421467f2813195bcd9c81aca508a1875b 11-Jul-2012 Argyrios Kyrtzidis <akyrtzi@gmail.com> In MemoryBuffer::getOpenFile() don't verify that the mmap'ed
file buffer is null-terminated.

If the file is smaller than we thought, mmap will not allow dereferencing
past the pages that are enough to cover the actual file size,
even though we asked for a larger address range.

rdar://11612916

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/external/llvm/lib/Support/MemoryBuffer.cpp
3aaa59bcbb226499cd4743a42e919d3bdc24aa42 20-Jun-2012 Kaelyn Uhrain <rikka@google.com> Remove an "else" that snuck in after a "return" ;)

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/external/llvm/lib/Support/MemoryBuffer.cpp
3f85144a8958ef2365e7a145859a26f870ba8445 20-Jun-2012 Kaelyn Uhrain <rikka@google.com> Check that a file is not a directory before reading it into a MemoryBuffer.

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/external/llvm/lib/Support/MemoryBuffer.cpp
541b2a4aa3401b1dcff9a127e0abeee08c5720f9 05-Apr-2012 Argyrios Kyrtzidis <akyrtzi@gmail.com> In MemoryBuffer::getOpenFile() make sure that the buffer is null-terminated if
the caller requested a null-terminated one.

When mapping the file there could be a racing issue that resulted in the file being larger
than the FileSize passed by the caller. We already have an assertion
for this in MemoryBuffer::init() but have a runtime guarantee that
the buffer will be null-terminated, so do a copy that adds a null-terminator.

Protects against crash of rdar://11161822.

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/external/llvm/lib/Support/MemoryBuffer.cpp
b9153bacd05f4e31f8d841a54ee035abea5b3f41 13-Mar-2012 Argyrios Kyrtzidis <akyrtzi@gmail.com> Add a sanity check in MemoryBuffer::getOpenFile() to make sure we don't hang
if the passed in FileSize is inaccurate.

rdar://11034179

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/external/llvm/lib/Support/MemoryBuffer.cpp
58604cd944eec4a75046076cb53eb708aaf2ee09 09-Feb-2012 David Blaikie <dblaikie@gmail.com> Change default error_code ctor to a 'named ctor' so it's more self-documenting.

Unify default construction of error_code uses on this idiom so that users don't
feel compelled to make static globals for naming convenience. (unfortunately I
couldn't make the original ctor private as some APIs don't return their result,
instead using an out parameter (that makes sense to default construct) - which
is a bit of a pity. I did, however, find/fix some cases of unnecessary default
construction of error_code before I hit the unfixable cases)

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/external/llvm/lib/Support/MemoryBuffer.cpp
5745fbce1674b29f4dce6b6e31556c4c1e83dc89 22-Nov-2011 Benjamin Kramer <benny.kra@googlemail.com> Add configure checking for pread(2) and use it to save a syscall when reading files.

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/external/llvm/lib/Support/MemoryBuffer.cpp
a673e8352a64665598e6cabd37ba9f51fd9841b6 22-Nov-2011 Benjamin Kramer <benny.kra@googlemail.com> Turn error recovery into an assert.

This was put in because in a certain version of DragonFlyBSD stat(2) lied about the
size of some files. This was fixed a long time ago so we can remove the workaround.

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/external/llvm/lib/Support/MemoryBuffer.cpp
e1d0b4fc252443299db87264aa4f3a889b7480aa 20-Oct-2011 David Meyer <pdox@google.com> Remove unused include of sys/uio.h in MemoryBuffer.cpp. It was not correctly protected by ifdef either.

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/external/llvm/lib/Support/MemoryBuffer.cpp
71280b55a3406c7dd4215449bf4a3ab216e78ffd 16-Sep-2011 Ivan Krasin <krasin@chromium.org> use 64-bit types instead of off_t/size_t to avoid the issue when
gold plugin is built with Large File Support (sizeof(off_t) == 64 on i686)
and the rest of LLVM is built w/o Large File Support
(sizeof(off_t) == 32 on i686) which corrupts the stack.



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/external/llvm/lib/Support/MemoryBuffer.cpp
9bb4a2ae8a0ce6404b9752f93ceebb2d00401997 22-May-2011 Chris Lattner <sabre@nondot.org> random comment cleanups.


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/external/llvm/lib/Support/MemoryBuffer.cpp
5d86759e0ff44e07ead4982673fe10abec50f765 28-Apr-2011 Ted Kremenek <kremenek@apple.com> Add MemoryBuffer::getBufferKind() to report whether a memory buffer uses malloc'ed or mmap'ed memory. This is for performance analysis.

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/external/llvm/lib/Support/MemoryBuffer.cpp
11d1803770f54dad441007a6ebafc70cb9395695 22-Mar-2011 Rafael Espindola <rafael.espindola@gmail.com> We don't need a null terminator for the output file.

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/external/llvm/lib/Support/MemoryBuffer.cpp
49ab1207df3d7d5a4bb3b3e3dcc611e78d262714 18-Mar-2011 Rafael Espindola <rafael.espindola@gmail.com> Check RequiresNullTerminator first, or we might read from an invalid address.

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/external/llvm/lib/Support/MemoryBuffer.cpp
9916d2ac3941513e301e39dee76a981c7caab694 17-Mar-2011 Rafael Espindola <rafael.espindola@gmail.com> Use RequiresNullTerminator to create buffers without a null terminator
instead of copying.

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/external/llvm/lib/Support/MemoryBuffer.cpp
9d2234d6a0a5b2840427927ac971027aec0ddf63 10-Mar-2011 Rafael Espindola <rafael.espindola@gmail.com> Don't compute the file size if we don't need to.

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/external/llvm/lib/Support/MemoryBuffer.cpp
f7fdad15d910fc27bc9334faab5b71c101455e1a 10-Mar-2011 Rafael Espindola <rafael.espindola@gmail.com> Add r127409 back now that the windows file was updated.

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/external/llvm/lib/Support/MemoryBuffer.cpp
4b0e1f127841590d61783cda21babbdd79e49fae 10-Mar-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Revert r127409 which broke all the Windows bots.

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/external/llvm/lib/Support/MemoryBuffer.cpp
7deb187736b09aa0805b7d9902f499e41feefccc 10-Mar-2011 Rafael Espindola <rafael.espindola@gmail.com> Add support for MemoryBuffers that are not null terminated and add
support for creating buffers that cover only a part of a file.

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/external/llvm/lib/Support/MemoryBuffer.cpp
b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5 08-Feb-2011 Rafael Espindola <rafael.espindola@gmail.com> Don't open the file again in the gold plugin. To be able to do this, update
MemoryBuffer::getOpenFile to not close the file descriptor.

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/external/llvm/lib/Support/MemoryBuffer.cpp
476b242fe7a61e5f9ac6214b0bc5c680d24f152e 19-Dec-2010 Nick Lewycky <nicholas@mxc.ca> Add missing standard headers. Patch by Joerg Sonnenberger!


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/external/llvm/lib/Support/MemoryBuffer.cpp
3ff9563c3e391954b2e224afcf8b2b0fcc3888aa 16-Dec-2010 Michael J. Spencer <bigcheesegs@gmail.com> MemoryBuffer now return an error_code and returns a OwningPtr<MemoryBuffer> via an out parm.

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/external/llvm/lib/Support/MemoryBuffer.cpp
333fb04506233255f10d8095c9e2de5e5f0fdc6f 09-Dec-2010 Michael J. Spencer <bigcheesegs@gmail.com> Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients.

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/external/llvm/lib/Support/MemoryBuffer.cpp
1f6efa3996dd1929fbc129203ce5009b620e6969 29-Nov-2010 Michael J. Spencer <bigcheesegs@gmail.com> Merge System into Support.

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/external/llvm/lib/Support/MemoryBuffer.cpp
7cf705461cfdca5dd5b48a5065f8e24a1ce8c8c4 23-Nov-2010 Chris Lattner <sabre@nondot.org> add a MemoryBuffer::getOpenFile method, which turns an open
file descriptor into a MemoryBuffer (and closes the FD).


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/external/llvm/lib/Support/MemoryBuffer.cpp
9f9bd8e4af8c5e7ae02eb5de418a49a6fdafb3f1 23-Nov-2010 Chris Lattner <sabre@nondot.org> Revert functionality doug added in r98575 that was never
documented and only used by some clang stuff I just removed.


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/external/llvm/lib/Support/MemoryBuffer.cpp
831338b320d9059b59564aa82f0703c3aff8c74f 25-Jun-2010 Benjamin Kramer <benny.kra@googlemail.com> Rewrite MemoryBuffer::getSTDIN to use read(2) and a SmallVector buffer.


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/external/llvm/lib/Support/MemoryBuffer.cpp
7262c19c41fd291af7a23a6bb8558314ef8425dd 25-Jun-2010 Benjamin Kramer <benny.kra@googlemail.com> Bring back the empty vector workaround I removed in r106839. Looks like MSVC needs it.


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/external/llvm/lib/Support/MemoryBuffer.cpp
d4d1f85aa751cadf69768746afd2c6c43c116ac2 25-Jun-2010 Benjamin Kramer <benny.kra@googlemail.com> Tweak MemoryBuffer to allocate the class itself, the name and possibly the
buffer in the same chunk of memory.

2 less mallocs for every uninitialized MemoryBuffer and 1 less malloc for every
MemoryBuffer pointing to a memory range translate into 20% less mallocs on
clang -cc1 -Eonly Cocoa_h.m.


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/external/llvm/lib/Support/MemoryBuffer.cpp
60e6f3d4123a01babeb2c1a0e00d0a2b109008e5 24-Jun-2010 Dan Gohman <gohman@apple.com> Add overloads for getFile and getFileOrSTDIN which take a const char *
instead of a StringRef, avoiding the need to copy the string in the
common case.


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/external/llvm/lib/Support/MemoryBuffer.cpp
455164bdff2ea20ac43a26388a7bea760581708d 22-Jun-2010 Dan Gohman <gohman@apple.com> Add an explicit keyword.


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/external/llvm/lib/Support/MemoryBuffer.cpp
30377e780918aacda1befa47054c61b0155c194c 27-May-2010 Dan Gohman <gohman@apple.com> Add basic error checking to MemoryBuffer::getSTDIN.


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/external/llvm/lib/Support/MemoryBuffer.cpp
4c842dda3939c6b9f83ba7e8e19e43445cd9a832 06-Apr-2010 Chris Lattner <sabre@nondot.org> stringref-ize the MemoryBuffer::get apis. This requires
a co-committed clang patch.


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/external/llvm/lib/Support/MemoryBuffer.cpp
d48c1f9b105c1c09e3914d9a08ad90f6a0893c9a 01-Apr-2010 Benjamin Kramer <benny.kra@googlemail.com> Remove accidental include and add a comment.


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/external/llvm/lib/Support/MemoryBuffer.cpp
6a9cd415495cd2422502fa2b84835409ce80d4de 01-Apr-2010 Benjamin Kramer <benny.kra@googlemail.com> Various improvements to MemoryBuffer::getFile:

- Use a RAII object to close the FD.
- Use sys::StrError instead of thread-unsafe strerror calls.
- Recover gracefully if read returns zero. This works around an issue on
DragonFlyBSD where /dev/null has an st_size of 136 but we can't read 136 bytes
from it.



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/external/llvm/lib/Support/MemoryBuffer.cpp
1bb30b6f750e2364a68af3b04c76ed26b4f508e8 15-Mar-2010 Douglas Gregor <dgregor@apple.com> Extend MemoryBuffer::getFile() to take an optional "stat" structure
pointer. If given, the structure will be set with the stat information from
the file actually read.


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/external/llvm/lib/Support/MemoryBuffer.cpp
aabc26c4d579995ec441bb2e632290ec241f6383 26-Feb-2010 Benjamin Kramer <benny.kra@googlemail.com> Replace a temporary std::string with SmallString.


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/external/llvm/lib/Support/MemoryBuffer.cpp
62dc896bc458ca37f212f1244be6c87007703976 24-Dec-2009 Chris Lattner <sabre@nondot.org> sizeof(char) is always 1.


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/external/llvm/lib/Support/MemoryBuffer.cpp
6e1f16d5221a0bb3fe5292b3cf84d225c00f95f6 01-Dec-2009 Chris Lattner <sabre@nondot.org> return more useful error messages by using strerror to format errno
instead of returning an ambiguous reason.


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/external/llvm/lib/Support/MemoryBuffer.cpp
d65267ee625bb9cf8dc655a0c0409760e2b76c71 10-Nov-2009 Daniel Dunbar <daniel@zuster.org> Fix MemoryBuffer::getSTDIN to *not* return null if stdin is empty, this is a lame API.

Also, Stringrefify some more MemoryBuffer functions, and add two performance FIXMEs.

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/external/llvm/lib/Support/MemoryBuffer.cpp
7127b13342f25a1fa06ed2c6f81891d3613df3fd 04-Nov-2009 Duncan Sands <baldrick@free.fr> A value is only assigned to errno if NumRead equals -1, so do
not reason based on errno if NumRead has a different value.


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/external/llvm/lib/Support/MemoryBuffer.cpp
954cb43c8075a66390de9357595ca6069d86941c 03-Nov-2009 Duncan Sands <baldrick@free.fr> Make this code more robust by not thinking we are making progress
if zero bytes were read.


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/external/llvm/lib/Support/MemoryBuffer.cpp
96cd7af935dd2813e66335a76c4715ced5a36cec 18-May-2009 Eli Friedman <eli.friedman@gmail.com> Tweak MemoryBuffer::getSTDIN so that it returns after the first EOF.
It doesn't matter for piped input, but it's annoying when typing at the
console.



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/external/llvm/lib/Support/MemoryBuffer.cpp
e2b3fdd64909fb290848db0a50f7458b1ff992ef 13-Feb-2009 Evan Cheng <evan.cheng@apple.com> Switch from new[] + delete[] to malloc + free since llvm does not catch C++ exceptions.

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/external/llvm/lib/Support/MemoryBuffer.cpp
726135ad1afe27af5f36a893eb55435b85d389a9 13-Feb-2009 Evan Cheng <evan.cheng@apple.com> If new[] fails, return 0 rather then trying to dereference a null pointer.

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/external/llvm/lib/Support/MemoryBuffer.cpp
34cd4a484e532cc463fd5a4bf59b88d13c5467c1 05-May-2008 Evan Cheng <evan.cheng@apple.com> Fix more -Wshorten-64-to-32 warnings.


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/external/llvm/lib/Support/MemoryBuffer.cpp
8811080a65f003127961b98a98d5474ddde6801a 30-Apr-2008 Gabor Greif <ggreif@gmail.com> fcntl.h is pretty standard on unix (without the sys/)

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/external/llvm/lib/Support/MemoryBuffer.cpp
a442006f4876be13b632ba1a4bee3ae827194eb1 02-Apr-2008 Bill Wendling <isanbard@gmail.com> Fix compilation errors on MSVC. Patch by Argiris Kirtzidis!


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/external/llvm/lib/Support/MemoryBuffer.cpp
038112a4e0a9afd656f415ab397a230ae5921627 01-Apr-2008 Chris Lattner <sabre@nondot.org> Change the MemoryBuffer::getFile* methods to take just a pointer to the
start of a filename, not a filename+length. All clients can produce a
null terminated name, and the system api's require null terminated
strings anyway.


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/external/llvm/lib/Support/MemoryBuffer.cpp
11da4cf25c3de590ecf434316973e9f25eec34c3 01-Apr-2008 Chris Lattner <sabre@nondot.org> Reimplement MemoryBuffer::getFile with three enhancements:

1) stop using MappedFile.
2) if profitable use the sys::path::MapInFilePages api to
read the file.
3) otherwise fallback to read.

When sys::path::MapInFilePages is implemented, this provides
several benefits:

#1: this avoids fragmenting memory for small files.
#2: this avoids extraneous stat calls when the file size is known.
#3: this only keeps the file descriptor open while reading the
file, not for the duration of the lifetime of the memory
buffer. This fixes a serious clang FD 'leak' problem.

I believe that this will work on a win32 machine, but I don't have
one to test on. I'd appreciate it if someone could check.



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/external/llvm/lib/Support/MemoryBuffer.cpp
37db5d67f92504226c17cfbf98c07c7bbe3afc3b 01-Apr-2008 Chris Lattner <sabre@nondot.org> Remove the MappedFile::charBase member, rename base -> getBase() and
make getBase() return a const-correct pointer.


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/external/llvm/lib/Support/MemoryBuffer.cpp
bdbd2d710c665bcdf31cbed4b44cf3f94ba746e7 01-Apr-2008 Chris Lattner <sabre@nondot.org> Remove MappedFile support for mapping files for write and exec
and shared. This complicates the design, is not used, and probably
doesn't even work.


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/external/llvm/lib/Support/MemoryBuffer.cpp
4ee451de366474b9c228b4e5fa573795a715216d 29-Dec-2007 Chris Lattner <sabre@nondot.org> Remove attribution from file headers, per discussion on llvmdev.


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/external/llvm/lib/Support/MemoryBuffer.cpp
2b1f1066aca0f6a3687377636a86086fa2cd222d 18-Nov-2007 Chris Lattner <sabre@nondot.org> Fix the Linker testcase regressions, by making MemoryBuffer::getFileOrSTDIN return
a valid but empty buffer if stdin is empty.


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/external/llvm/lib/Support/MemoryBuffer.cpp
3daae2701b76293c31c1cbdafc9782352321e1f0 09-Oct-2007 Chris Lattner <sabre@nondot.org> Add new MemoryBuffer::getMemBufferCopy method.


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/external/llvm/lib/Support/MemoryBuffer.cpp
2372ccc111cd8d33553fb20116a449ba5df5f6e9 08-Aug-2007 Reid Spencer <rspencer@reidspencer.com> Make getSTDIN return null if the standard input is empty, as the header file
documentation implies and as its uses depend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40939 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
ea332946d3577cc75422a1ad0cbce9321e9e8c59 01-Jul-2007 Nick Lewycky <nicholas@mxc.ca> Fix undefined behaviour reported by the new --enable-expensive-checks option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37829 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
a24b04e9e5565c1af970329f0b74d201e85b3697 11-May-2007 Chris Lattner <sabre@nondot.org> fix a memory leak


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36981 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
0fea8ebb4a1e5b97d2413f45c0b5807d7eb5397e 07-May-2007 Jeff Cohen <jeffc@jolt-lang.org> Unbreak VC++ build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36901 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
5499da88331a31a9dcc24dc160f58b411fb0d34a 07-May-2007 Chris Lattner <sabre@nondot.org> Enhance MemoryBuffer to return error messages in strings if they occur.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36899 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
82e791dc420c399b7382a4754019b80466c898b0 06-May-2007 Chris Lattner <sabre@nondot.org> Fix MemoryBuffer::getFile to return null if it has an error opening the
file instead of aborting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36858 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
930c0fead9ad8cb91322c02fdead15cdd8dcbe0d 29-Apr-2007 Jeff Cohen <jeffc@jolt-lang.org> Fix MemoryBuffer breakage correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36561 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
9bc406019ef8e8c682afc10c46a9c4d4d6840d42 29-Apr-2007 Jeff Cohen <jeffc@jolt-lang.org> Unbreak build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36559 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp
333ffd4abfcc3be32a945dc73c81adeafde1ba6b 29-Apr-2007 Chris Lattner <sabre@nondot.org> Add a new memorybuffer class, to unify all the file reading code in the system


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36553 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Support/MemoryBuffer.cpp