From 8ec5b3e6ef2e7e5c3adaa5accb375676b1c09ff0 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 22 Feb 2024 07:14:55 -0800
Subject: Add API for querying and reusing precompiled binary modules. (#3614)

---
 source/core/slang-io.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'source/core/slang-io.cpp')

diff --git a/source/core/slang-io.cpp b/source/core/slang-io.cpp
index c546dd059..c08f499b9 100644
--- a/source/core/slang-io.cpp
+++ b/source/core/slang-io.cpp
@@ -36,6 +36,7 @@
 #include <limits.h> /* PATH_MAX */
 #include <stdio.h>
 #include <stdlib.h>
+#include <filesystem>
 
 namespace Slang
 {
@@ -660,6 +661,17 @@ namespace Slang
 #endif
     }
 
+    String Path::getRelativePath(String base, String path)
+    {
+        std::filesystem::path p1(base.getBuffer());
+        std::filesystem::path p2(path.getBuffer());
+        std::error_code ec;
+        auto result = std::filesystem::relative(p2, p1, ec);
+        if (ec)
+            return path;
+        return String(UnownedStringSlice(result.generic_u8string().c_str()));
+    }
+
     SlangResult Path::remove(const String& path)
     {
 #ifdef _WIN32
-- 
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