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For PR789:

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Make the sys::Path::getFileStatus function more efficient by having it
return a pointer to the FileStatus structure rather than copy it. Adjust
uses of the function accordingly. Also, fix some memory issues in sys::Path.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35476 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2007-03-29 19:05:44 +00:00
parent f735f7b3ac
commit 8475ec068c
16 changed files with 123 additions and 92 deletions
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11
lib/Support/FileUtilities.cpp
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@@ -152,16 +152,17 @@ int llvm::DiffFilesWithTolerance(const sys::Path &FileA,
const sys::Path &FileB,
double AbsTol, double RelTol,
std::string *Error) {
sys::FileStatus FileAStat, FileBStat;
if (FileA.getFileStatus(FileAStat, false, Error))
const sys::FileStatus *FileAStat = FileA.getFileStatus(false, Error);
if (!FileAStat)
return 2;
if (FileB.getFileStatus(FileBStat, false, Error))
const sys::FileStatus *FileBStat = FileB.getFileStatus(false, Error);
if (!FileBStat)
return 2;
// Check for zero length files because some systems croak when you try to
// mmap an empty file.
size_t A_size = FileAStat.getSize();
size_t B_size = FileBStat.getSize();
size_t A_size = FileAStat->getSize();
size_t B_size = FileBStat->getSize();
// If they are both zero sized then they're the same
if (A_size == 0 && B_size == 0)