1 files changed, 64 insertions, 0 deletions
diff --git a/lib/setlocale-fixes.h b/lib/setlocale-fixes.h
new file mode 100644
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+++ b/lib/setlocale-fixes.h
@@ -0,0 +1,64 @@
+/* Make the global locale minimally POSIX compliant.
+   Copyright (C) 2025 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   This file is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2025.  */
+
+#ifndef _SETLOCALE_FIXES_H
+#define _SETLOCALE_FIXES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#if defined _WIN32 && !defined __CYGWIN__
+
+/* This section is only relevant on platforms that lack LC_MESSAGES, namely
+   native Windows.  */
+
+/* setlocale_messages (NAME) is like setlocale (LC_MESSAGES, NAME).  */
+extern const char *setlocale_messages (const char *name);
+
+/* setlocale_messages_null () is like setlocale (LC_MESSAGES, NULL), except that
+   it is guaranteed to be multithread-safe.  */
+extern const char *setlocale_messages_null (void);
+
+#endif
+
+
+#if defined __ANDROID__
+
+/* This section is only relevant on Android.
+   While OpenBSD ≥ 6.2 and Android API level >= 21 have a fake locale_t type,
+   regarding the global locale, OpenBSD at least stores the name of each
+   category of the global locale.  Android doesn't do this, and additionally
+   has a bug: setting any category != LC_CTYPE of the global locale affects
+   the LC_CTYPE category as well.  */
+
+/* Like setlocale (CATEGORY, NAME), but fixes these two Android bugs.  */
+extern const char *setlocale_fixed (int category, const char *name);
+
+/* Like setlocale_null (CATEGORY), but consistent with setlocale_fixed.  */
+extern const char *setlocale_fixed_null (int category);
+
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SETLOCALE_FIXES_H */