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* Fix more -Wshorten-64-to-32 warnings.Evan Cheng2008-05-051-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50659 91177308-0d34-0410-b5e6-96231b3b80d8
* fcntl.h is pretty standard on unix (without the sys/)Gabor Greif2008-04-301-2/+1
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* Fix compilation errors on MSVC. Patch by Argiris Kirtzidis!Bill Wendling2008-04-011-1/+2
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* Change the MemoryBuffer::getFile* methods to take just a pointer to theChris Lattner2008-04-011-13/+8
| | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement MemoryBuffer::getFile with three enhancements:Chris Lattner2008-04-011-85/+64
| | | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49031 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MappedFile::charBase member, rename base -> getBase() andChris Lattner2008-04-011-3/+4
| | | | | | | make getBase() return a const-correct pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49025 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove MappedFile support for mapping files for write and execChris Lattner2008-04-011-1/+1
| | | | | | | | and shared. This complicates the design, is not used, and probably doesn't even work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49022 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove attribution from file headers, per discussion on llvmdev.Chris Lattner2007-12-291-2/+2
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* Fix the Linker testcase regressions, by making MemoryBuffer::getFileOrSTDIN ↵Chris Lattner2007-11-181-0/+18
| | | | | | | | | return a valid but empty buffer if stdin is empty. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44219 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new MemoryBuffer::getMemBufferCopy method.Chris Lattner2007-10-091-2/+15
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* Make getSTDIN return null if the standard input is empty, as the header fileReid Spencer2007-08-081-2/+4
| | | | | | | documentation implies and as its uses depend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40939 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix undefined behaviour reported by the new --enable-expensive-checks option.Nick Lewycky2007-07-011-1/+2
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* fix a memory leakChris Lattner2007-05-111-1/+1
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* Unbreak VC++ build.Jeff Cohen2007-05-071-0/+2
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* Enhance MemoryBuffer to return error messages in strings if they occur.Chris Lattner2007-05-061-7/+11
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* Fix MemoryBuffer::getFile to return null if it has an error opening theChris Lattner2007-05-061-8/+20
| | | | | | | file instead of aborting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36858 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MemoryBuffer breakage correctly.Jeff Cohen2007-04-291-1/+1
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* Unbreak build.Jeff Cohen2007-04-291-1/+2
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* Add a new memorybuffer class, to unify all the file reading code in the systemChris Lattner2007-04-291-0/+239
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36553 91177308-0d34-0410-b5e6-96231b3b80d8
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