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Create files with the correct permission instead of changing it afterwards.

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Not intended functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185830 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2013-07-08 15:22:09 +00:00
parent 19d2b78978
commit 73e97d0f48
1 changed files with 7 additions and 22 deletions
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29
lib/Support/FileOutputBuffer.cpp
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@ -62,11 +62,16 @@ error_code FileOutputBuffer::create(StringRef FilePath,
if (EC)
return EC;
unsigned Mode = sys::fs::all_read | sys::fs::all_write;
// If requested, make the output file executable.
if (Flags & F_executable)
Mode |= sys::fs::all_exe;
// Create new file in same directory but with random name.
SmallString<128> TempFilePath;
int FD;
EC = sys::fs::createUniqueFile(Twine(FilePath) + ".tmp%%%%%%%",
FD, TempFilePath);
EC = sys::fs::createUniqueFile(Twine(FilePath) + ".tmp%%%%%%%", FD,
TempFilePath, Mode);
if (EC)
return EC;
@ -75,26 +80,6 @@ error_code FileOutputBuffer::create(StringRef FilePath,
if (EC)
return EC;
// If requested, make the output file executable.
if ( Flags & F_executable ) {
sys::fs::file_status Stat2;
EC = sys::fs::status(Twine(TempFilePath), Stat2);
if (EC)
return EC;
sys::fs::perms new_perms = Stat2.permissions();
if ( new_perms & sys::fs::owner_read )
new_perms |= sys::fs::owner_exe;
if ( new_perms & sys::fs::group_read )
new_perms |= sys::fs::group_exe;
if ( new_perms & sys::fs::others_read )
new_perms |= sys::fs::others_exe;
new_perms |= sys::fs::add_perms;
EC = sys::fs::permissions(Twine(TempFilePath), new_perms);
if (EC)
return EC;
}
Result.reset(new FileOutputBuffer(MappedFile.get(), FilePath, TempFilePath));
if (Result)
MappedFile.take();