[UCRT] Import Microsoft.Windows.SDK.CRTSource version 10.0.22621.3

Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3
License: MIT

sdk/lib/ucrt/filesystem/unlink.cpp

@@ -0,0 +1,35 @@
+//
+// unlink.cpp
+//
+//      Copyright (c) Microsoft Corporation. All rights reserved.
+//
+// The remove() and unlink() functions, which remove (delete) files.
+//
+#include <corecrt_internal.h>
+#include <stdio.h>
+#include <corecrt_internal_win32_buffer.h>
+
+// Deletes the specified file.  Returns zero if successful; returns -1 and sets
+// errno and _doserrno on failure.
+extern "C" int __cdecl remove(char const* const path)
+{
+    if (path == nullptr)
+        return _wremove(nullptr);
+
+    __crt_internal_win32_buffer<wchar_t> wide_path;
+
+    errno_t const cvt = __acrt_mbs_to_wcs_cp(path, wide_path, __acrt_get_utf8_acp_compatibility_codepage());
+
+    if (cvt != 0) {
+        return -1;
+    }
+
+    return _wremove(wide_path.data());
+}
+
+
+
+extern "C" int __cdecl _unlink(char const* const path)
+{
+    return remove(path);
+}