[libc-commits] [libc] [libc] Add `dlfcn.h` placeholder (PR #97501)

[via libc-commits]

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@@ -0,0 +1,19 @@
+//===-- Implementation of delerror ----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "dlerror.h"
+
+#include "src/__support/common.h"
+
+namespace LIBC_NAMESPACE {
+
+LLVM_LIBC_FUNCTION(char *, dlerror, ()) {
+  return const_cast<char *>("unsupported");
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overmighty wrote:

Not sure if that `const_cast` is fine. Despite the non-const `char *` return type, POSIX does state that "The application shall not modify the string returned": https://pubs.opengroup.org/onlinepubs/9699919799/functions/dlerror.html.

https://github.com/llvm/llvm-project/pull/97501