1 files changed, 92 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/generic/RTLocaleQueryNormalizedBaseLocaleName-r3-generic.cpp b/src/VBox/Runtime/r3/generic/RTLocaleQueryNormalizedBaseLocaleName-r3-generic.cpp
new file mode 100644
index 00000000..c4455fdd
--- /dev/null
+++ b/src/VBox/Runtime/r3/generic/RTLocaleQueryNormalizedBaseLocaleName-r3-generic.cpp
@@ -0,0 +1,92 @@
+/* $Id: RTLocaleQueryNormalizedBaseLocaleName-r3-generic.cpp $ */
+/** @file
+ * IPRT - RTLocaleQueryNormalizedBaseLocaleName, ring-3 generic.
+ */
+
+/*
+ * Copyright (C) 2017-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/locale.h>
+#include "internal/iprt.h"
+
+#include <iprt/ctype.h>
+#include <iprt/errcore.h>
+#include <iprt/string.h>
+
+
+/*
+ * Note! Code duplicated in r3/win/RTLocaleQueryNormalizedBaseLocaleName-win.cpp (adds fallback).
+ */
+RTDECL(int) RTLocaleQueryNormalizedBaseLocaleName(char *pszName, size_t cbName)
+{
+    char szLocale[_1K];
+    int rc = RTLocaleQueryLocaleName(szLocale, sizeof(szLocale));
+    if (RT_SUCCESS(rc))
+    {
+        /*
+         * May return some complicated "LC_XXX=yyy;LC.." sequence if
+         * partially set (like IPRT does).  Try get xx_YY sequence first
+         * because 'C' or 'POSIX' may be LC_xxx variants that haven't been
+         * set yet.
+         *
+         * ASSUMES complicated locale mangling is done in a certain way...
+         */
+        const char *pszLocale = strchr(szLocale, '=');
+        if (!pszLocale)
+            pszLocale = szLocale;
+        else
+            pszLocale++;
+        bool fSeenC = false;
+        bool fSeenPOSIX = false;
+        do
+        {
+            const char *pszEnd = strchr(pszLocale, ';');
+
+            if (   RTLOCALE_IS_LANGUAGE2_UNDERSCORE_COUNTRY2(pszLocale)
+                && (   pszLocale[5] == '\0'
+                    || RT_C_IS_PUNCT(pszLocale[5])) )
+                return RTStrCopyEx(pszName, cbName, pszLocale, 5);
+
+            if (   pszLocale[0] == 'C'
+                && (   pszLocale[1] == '\0'
+                    || RT_C_IS_PUNCT(pszLocale[1])) )
+                fSeenC = true;
+            else if (   strncmp(pszLocale, "POSIX", 5) == 0
+                     && (   pszLocale[5] == '\0'
+                        || RT_C_IS_PUNCT(pszLocale[5])) )
+                fSeenPOSIX = true;
+
+            /* advance */
+            pszLocale = pszEnd ? strchr(pszEnd + 1, '=') : NULL;
+        } while (pszLocale++);
+
+        if (fSeenC || fSeenPOSIX)
+            return RTStrCopy(pszName, cbName, "C"); /* C and POSIX should be identical IIRC, so keep it simple. */
+
+        rc = VERR_NOT_AVAILABLE;
+    }
+    return rc;
+}
+