[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/access.cpp

@@ -0,0 +1,34 @@
+//
+// access.cpp
+//
+//      Copyright (c) Microsoft Corporation. All rights reserved.
+//
+// The _access() and _access_s() functions, which test file accessibility.
+//
+#include <corecrt_internal.h>
+#include <io.h>
+#include <corecrt_internal_win32_buffer.h>
+
+// See _waccess_s for information about this function's behavior.
+extern "C" errno_t __cdecl _access_s(char const* const path, int const access_mode)
+{
+    if (path == nullptr) {
+        return _waccess_s(nullptr, access_mode);
+    }
+
+    __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 _waccess_s(wide_path.data(), access_mode);
+}
+
+// The same as _access_s, but transforms all errors into a -1 return value.
+extern "C" int __cdecl _access(char const* const path, int const access_mode)
+{
+    return _access_s(path, access_mode) == 0 ? 0 : -1;
+}