Return result with more error information when opening a shared library fails.

2024-07-29 21:48:04 +02:00
parent a9a85aecdf
commit f6f77f6dc1
4 changed files with 29 additions and 8 deletions
--- a/source/mijin/util/os.cpp
+++ b/source/mijin/util/os.cpp
@@ -39,11 +39,18 @@ namespace mijin
 // public functions
 //

-LibraryHandle openSharedLibrary(std::string_view libraryFile) noexcept
+Result<LibraryHandle> openSharedLibrary(std::string_view libraryFile) noexcept
 {
 #if MIJIN_TARGET_OS == MIJIN_OS_LINUX
+    dlerror();
+
    const fs::path libraryPath = fs::absolute(libraryFile);
-    return {.data = dlopen(libraryPath.c_str(), RTLD_NOW)};
+    void* ptr = dlopen(libraryPath.c_str(), RTLD_NOW);
+    if (ptr == nullptr)
+    {
+        return ResultError(dlerror());
+    }
+    return LibraryHandle{.data = dlopen(libraryPath.c_str(), RTLD_NOW)};
 #elif MIJIN_TARGET_OS == MIJIN_OS_WINDOWS
 	// TODO
 	(void) libraryFile;