6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-23 17:24:48 +00:00
Code Issues Projects Releases Wiki Activity

Add a GetUniqueID that will replace the uniqueID of PathV1.h.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184217 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-06-18 19:34:49 +00:00
parent 13769fa725
commit 605510d16e
3 changed files with 28 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/Support/Windows/PathV2.inc
View File

@ -413,6 +413,20 @@ error_code file_size(const Twine &path, uint64_t &result) {
return error_code::success();
}
error_code GetUniqueID(const Twine Path, uint64_t &Result) {
// FIXME: this is only unique if the file is accessed by the same file path.
// How do we do this for C:\dir\file and ..\dir\file ? Unix has inode
// numbers, but the concept doesn't exist in Windows.
SmallString<128> Storage;
StringRef P = Path.toStringRef(Storage);
uint64_t UniqueID = 0;
for (StringRef::iterator I = P.begin(), E = P.end(); I != E; ++I)
UniqueID += *I;
Result = UniqueID;
return error_code::success();
}
static bool isReservedName(StringRef path) {
// This list of reserved names comes from MSDN, at:
// http://msdn.microsoft.com/en-us/library/aa365247%28v=vs.85%29.aspx