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Use the stat information in the Path object, if it is already obtained. This

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avoids a call to ::fstat by MappedFile when the file size information was
already obtained by the Path object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35477 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2007-03-29 19:11:22 +00:00
parent 8475ec068c
commit 1ea733db9d
1 changed files with 3 additions and 4 deletions
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7
lib/System/Unix/MappedFile.inc
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@@ -54,15 +54,14 @@ bool MappedFile::initialize(std::string* ErrMsg) {
MakeErrMsg(ErrMsg, "can't open file '" + path_.toString() + "'"); MakeErrMsg(ErrMsg, "can't open file '" + path_.toString() + "'");
return true; return true;
} }
struct stat sbuf; const FileStatus *Status = path_.getFileStatus(false, ErrMsg);
if(::fstat(FD, &sbuf) < 0) { if (!Status) {
MakeErrMsg(ErrMsg, "can't stat file '"+ path_.toString() + "'");
::close(FD); ::close(FD);
return true; return true;
} }
info_ = new MappedFileInfo; info_ = new MappedFileInfo;
info_->FD = FD; info_->FD = FD;
info_->Size = sbuf.st_size; info_->Size = Status->getSize();
return false; return false;
} }