[vcpkg] Remove utf16 usage from non-Windows

4 files changed, 13 insertions, 12 deletions

diff --git a/toolsrc/include/vcpkg/base/strings.h b/toolsrc/include/vcpkg/base/strings.h
index 4cc17bcf4..e165c69da 100644
--- a/toolsrc/include/vcpkg/base/strings.h
+++ b/toolsrc/include/vcpkg/base/strings.h
@@ -34,9 +34,11 @@ namespace vcpkg::Strings
         return details::format_internal(fmtstr, to_printf_arg(to_printf_arg(args))...);
     }
 
+#if defined(_WIN32)
     std::wstring to_utf16(const CStringView& s);
 
     std::string to_utf8(const wchar_t* w);
+#endif
 
     std::string escape_string(const CStringView& s, char char_to_escape, char escape_char);
 
diff --git a/toolsrc/src/vcpkg.cpp b/toolsrc/src/vcpkg.cpp
index 06c99e9a8..ac2eec876 100644
--- a/toolsrc/src/vcpkg.cpp
+++ b/toolsrc/src/vcpkg.cpp
@@ -70,7 +70,7 @@ static void inner(const VcpkgCmdArguments& args)
     fs::path vcpkg_root_dir;
     if (args.vcpkg_root_dir != nullptr)
     {
-        vcpkg_root_dir = fs::stdfs::absolute(Strings::to_utf16(*args.vcpkg_root_dir));
+        vcpkg_root_dir = fs::stdfs::absolute(fs::u8path(*args.vcpkg_root_dir));
     }
     else
     {
@@ -94,6 +94,8 @@ static void inner(const VcpkgCmdArguments& args)
 
     Checks::check_exit(VCPKG_LINE_INFO, !vcpkg_root_dir.empty(), "Error: Could not detect vcpkg-root.");
 
+    Debug::println("Using vcpkg-root: %s", vcpkg_root_dir.u8string());
+
     auto default_vs_path = System::get_environment_variable("VCPKG_DEFAULT_VS_PATH").value_or("");
 
     const Expected<VcpkgPaths> expected_paths = VcpkgPaths::create(vcpkg_root_dir, default_vs_path);
diff --git a/toolsrc/src/vcpkg/base/files.cpp b/toolsrc/src/vcpkg/base/files.cpp
index 1723b467e..0542af1e7 100644
--- a/toolsrc/src/vcpkg/base/files.cpp
+++ b/toolsrc/src/vcpkg/base/files.cpp
@@ -56,16 +56,17 @@ namespace vcpkg::Files
                                                   const std::string& filename) const override
         {
             fs::path current_dir = starting_dir;
-            for (; !current_dir.empty(); current_dir = current_dir.parent_path())
+            fs::path unix_root = "/";
+            for (; !current_dir.empty() && current_dir != unix_root; current_dir = current_dir.parent_path())
             {
                 const fs::path candidate = current_dir / filename;
                 if (exists(candidate))
                 {
-                    break;
+                    return current_dir;
                 }
             }
 
-            return current_dir;
+            return fs::path();
         }
 
         virtual std::vector<fs::path> get_files_recursive(const fs::path& dir) const override
diff --git a/toolsrc/src/vcpkg/base/strings.cpp b/toolsrc/src/vcpkg/base/strings.cpp
index fbc33ca42..48dc5ed09 100644
--- a/toolsrc/src/vcpkg/base/strings.cpp
+++ b/toolsrc/src/vcpkg/base/strings.cpp
@@ -49,33 +49,29 @@ namespace vcpkg::Strings::details
 
 namespace vcpkg::Strings
 {
+#if defined(_WIN32)
     std::wstring to_utf16(const CStringView& s)
     {
-#if defined(_WIN32)
         std::wstring output;
         const size_t size = MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, nullptr, 0);
         if (size == 0) return output;
         output.resize(size - 1);
         MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, output.data(), static_cast<int>(size) - 1);
         return output;
-#else
-        Checks::unreachable(VCPKG_LINE_INFO);
-#endif
     }
+#endif
 
+#if defined(_WIN32)
     std::string to_utf8(const wchar_t* w)
     {
-#if defined(_WIN32)
         std::string output;
         const size_t size = WideCharToMultiByte(CP_UTF8, 0, w, -1, nullptr, 0, nullptr, nullptr);
         if (size == 0) return output;
         output.resize(size - 1);
         WideCharToMultiByte(CP_UTF8, 0, w, -1, output.data(), static_cast<int>(size) - 1, nullptr, nullptr);
         return output;
-#else
-        Checks::unreachable(VCPKG_LINE_INFO);
-#endif
     }
+#endif
 
     std::string escape_string(const CStringView& s, char char_to_escape, char escape_char)
     {