[Support] Add sys::fs::set_current_path() (aka chdir)
Summary:
This adds a cross-platform way of setting the current working directory
analogous to the existing current_path() function used for retrieving
it. The function will be used in lldb.
Reviewers: rafael, silvas, zturner
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D29035
llvm-svn: 292907
diff --git a/llvm/lib/Support/Unix/Path.inc b/llvm/lib/Support/Unix/Path.inc
index 0bf9dba..f733424 100644
--- a/llvm/lib/Support/Unix/Path.inc
+++ b/llvm/lib/Support/Unix/Path.inc
@@ -257,6 +257,16 @@
return std::error_code();
}
+std::error_code set_current_path(const Twine &path) {
+ SmallString<128> path_storage;
+ StringRef p = path.toNullTerminatedStringRef(path_storage);
+
+ if (::chdir(p.begin()) == -1)
+ return std::error_code(errno, std::generic_category());
+
+ return std::error_code();
+}
+
std::error_code create_directory(const Twine &path, bool IgnoreExisting,
perms Perms) {
SmallString<128> path_storage;