[libc-commits] [libc] [libc] Implement alphasort in dirent (PR #226487)

[Alexey Samsonov via libc-commits]

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@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Implementation of the POSIX alphasort function.
+///
+//===----------------------------------------------------------------------===//
+
+#include "src/dirent/alphasort.h"
+
+#include "hdr/types/struct_dirent.h"
+#include "src/__support/common.h"
+#include "src/string/strcoll.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(int, alphasort,
+                   (const struct dirent **a, const struct dirent **b)) {
+  return LIBC_NAMESPACE::strcoll((*a)->d_name, (*b)->d_name);
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vonosmas wrote:

We generally avoid having one entrypoint (alphasort) call another entrypoint (strcoll). Shared logic should be factored out into a shared library.

https://github.com/llvm/llvm-project/pull/226487