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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2013-08-10 00:50:57 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2013-08-10 00:50:57 +0000 |
| commit | 0a69bac39607c1f715835d951a6deb1c7ecbedfe (patch) | |
| tree | 042b0fa9423ee2565cfdf76c165c26be9c3a0f2a /lib/Support/Unix | |
| parent | 3ed7576a3bfd8e4e76e7b8f7ae76422c1ae48f72 (diff) | |
| download | external_llvm-0a69bac39607c1f715835d951a6deb1c7ecbedfe.zip external_llvm-0a69bac39607c1f715835d951a6deb1c7ecbedfe.tar.gz external_llvm-0a69bac39607c1f715835d951a6deb1c7ecbedfe.tar.bz2 | |
Check for $PWD in llvm::sys::current_path.
Some users (clang, libTooling) require this. After this patch we can remove
the calls to getenv("PWD") from clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188125 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/Unix')
| -rw-r--r-- | lib/Support/Unix/Path.inc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc index 4dcfa09..f6a137e 100644 --- a/lib/Support/Unix/Path.inc +++ b/lib/Support/Unix/Path.inc @@ -298,6 +298,18 @@ UniqueID file_status::getUniqueID() const { } error_code current_path(SmallVectorImpl<char> &result) { + result.clear(); + + const char *pwd = ::getenv("PWD"); + llvm::sys::fs::file_status PWDStatus, DotStatus; + if (pwd && llvm::sys::path::is_absolute(pwd) && + !llvm::sys::fs::status(pwd, PWDStatus) && + !llvm::sys::fs::status(".", DotStatus) && + PWDStatus.getUniqueID() == DotStatus.getUniqueID()) { + result.append(pwd, pwd + strlen(pwd)); + return error_code::success(); + } + #ifdef MAXPATHLEN result.reserve(MAXPATHLEN); #else |