From 9b91b9548e151d2cac79b1fd2a613e22dfd9d62f Mon Sep 17 00:00:00 2001
From: Benoit Pierre <benoit.pierre@gmail.com>
Date: Mon, 23 Sep 2024 12:30:07 +0200
Subject: [PATCH] dlopen: fix `dl.open` on absolute path (#511)

---
 assets/dl.lua | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/assets/dl.lua b/assets/dl.lua
index 87dd01cfd..f60dd77a8 100644
--- a/assets/dl.lua
+++ b/assets/dl.lua
@@ -91,14 +91,20 @@ function dl.dlopen(library, load_func, depth)
     local padding = depth * 4
 
     for pspec in string.gmatch(
-            library:sub(1, 1) == "/" and "" or dl.library_path,
+            library:sub(1, 1) == "/" and "/" or dl.library_path,
             "([^;:]+)") do
 
-        local lname, matches = string.gsub(pspec, "%?", library)
-        if matches == 0 then
-            -- if pathspec does not contain a '?',
-            -- we append the library name to the pathspec
-            lname = lname .. '/' .. library
+        local lname
+        if library:sub(1, 1) == "/" and pspec == "/" then
+            lname = library
+        else
+            local matches
+            lname, matches = string.gsub(pspec, "%?", library)
+            if matches == 0 then
+                -- if pathspec does not contain a '?',
+                -- we append the library name to the pathspec
+                lname = lname .. '/' .. library
+            end
         end
 
         local ok, lib = pcall(Elf.open, lname)