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Add a wrapper for open.

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This centralizes the handling of O_BINARY and opens the way for hiding more
differences (like how open behaves with directories).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186447 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-07-16 19:44:17 +00:00
parent 1a9c39e52a
commit c1b49b56d4
27 changed files with 130 additions and 119 deletions
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12
lib/Support/MemoryBuffer.cpp
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@ -41,7 +41,6 @@
#define S_ISBLK(x) (0)
#endif
#endif
#include <fcntl.h>
using namespace llvm;
//===----------------------------------------------------------------------===//
@ -253,13 +252,10 @@ error_code MemoryBuffer::getFile(const char *Filename,
OwningPtr<MemoryBuffer> &result,
int64_t FileSize,
bool RequiresNullTerminator) {
int OpenFlags = O_RDONLY;
#ifdef O_BINARY
OpenFlags |= O_BINARY; // Open input file in binary mode on win32.
#endif
int FD = ::open(Filename, OpenFlags);
if (FD == -1)
return error_code(errno, posix_category());
int FD;
error_code EC = sys::fs::openFileForRead(Filename, FD);
if (EC)
return EC;
error_code ret = getOpenFile(FD, Filename, result, FileSize, FileSize,
0, RequiresNullTerminator);