Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 870 insertions, 0 deletions

diff --git a/sal/osl/unx/nlsupport.cxx b/sal/osl/unx/nlsupport.cxx
new file mode 100644
index 0000000000..7ba961968a
--- /dev/null
+++ b/sal/osl/unx/nlsupport.cxx
@@ -0,0 +1,870 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <algorithm>
+#include <cassert>
+#include <cstring>
+
+#include <osl/nlsupport.h>
+#include <osl/diagnose.h>
+#include <osl/process.h>
+
+#include "nlsupport.hxx"
+
+// these share a lot, so use one define
+#if defined(LINUX) || defined(EMSCRIPTEN) || defined(__sun) || \
+    defined(FREEBSD) || defined(OPENBSD) || defined(DRAGONFLY) || defined(NETBSD)
+#define LO_COMMON_NLS_ARCHS 1
+#else
+#define LO_COMMON_NLS_ARCHS 0
+#endif
+
+#if LO_COMMON_NLS_ARCHS
+#include <locale.h>
+#include <langinfo.h>
+#elif defined(MACOSX) || defined(IOS)
+#include <osl/module.h>
+#include <osl/thread.h>
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include "system.hxx"
+#endif
+
+namespace {
+
+struct Pair {
+    const char              *key;
+    const rtl_TextEncoding   value;
+};
+
+}
+
+/*****************************************************************************
+ compare function for binary search
+ *****************************************************************************/
+
+static int
+pair_compare (const char *key, const Pair *pair)
+{
+    int result = rtl_str_compareIgnoreAsciiCase( key, pair->key );
+    return result;
+}
+
+/*****************************************************************************
+ binary search on encoding tables
+ *****************************************************************************/
+
+static const Pair*
+pair_search (const char *key, const Pair *base, unsigned int member )
+{
+    unsigned int lower = 0;
+    unsigned int upper = member;
+
+    /* check for validity of input */
+    if ( (key == nullptr) || (base == nullptr) || (member == 0) )
+        return nullptr;
+
+    /* binary search */
+    while ( lower < upper )
+    {
+        const unsigned int current = (lower + upper) / 2;
+        const int comparison = pair_compare( key, base + current );
+        if (comparison < 0)
+            upper = current;
+        else if (comparison > 0)
+            lower = current + 1;
+        else
+            return base + current;
+    }
+
+    return nullptr;
+}
+
+/*****************************************************************************
+ convert rtl_Locale to locale string
+ *****************************************************************************/
+
+static char * compose_locale( rtl_Locale * pLocale, char * buffer, size_t n )
+{
+    /* check if a valid locale is specified */
+    if( pLocale && pLocale->Language &&
+            (pLocale->Language->length == 2 || pLocale->Language->length == 3) )
+    {
+        size_t offset = 0;
+
+        /* convert language code to ascii */
+        {
+            rtl_String *pLanguage = nullptr;
+
+            rtl_uString2String( &pLanguage,
+                pLocale->Language->buffer, pLocale->Language->length,
+                RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
+
+            if( sal::static_int_cast<sal_uInt32>(pLanguage->length) < n )
+            {
+                strcpy( buffer, pLanguage->buffer );
+                offset = pLanguage->length;
+            }
+
+            rtl_string_release( pLanguage );
+        }
+
+        /* convert country code to ascii */
+        if( pLocale->Country && (pLocale->Country->length == 2) )
+        {
+            rtl_String *pCountry = nullptr;
+
+            rtl_uString2String( &pCountry,
+                pLocale->Country->buffer, pLocale->Country->length,
+                RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
+
+            if( offset + pCountry->length + 1 < n )
+            {
+                strcpy( buffer + offset++, "_" );
+                strcpy( buffer + offset, pCountry->buffer );
+                offset += pCountry->length;
+            }
+
+            rtl_string_release( pCountry );
+        }
+
+        /* convert variant to ascii - check if there is enough space for the variant string */
+        if( pLocale->Variant && pLocale->Variant->length &&
+            ( sal::static_int_cast<sal_uInt32>(pLocale->Variant->length) < n - 6 ) )
+        {
+            rtl_String *pVariant = nullptr;
+
+            rtl_uString2String( &pVariant,
+                pLocale->Variant->buffer, pLocale->Variant->length,
+                RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
+
+            if( offset + pVariant->length + 1 < n )
+            {
+                strcpy( buffer + offset, pVariant->buffer );
+            }
+
+            rtl_string_release( pVariant );
+        }
+
+        return buffer;
+    }
+
+    return nullptr;
+}
+
+/*****************************************************************************
+ convert locale string to rtl_Locale
+ *****************************************************************************/
+
+static rtl_Locale * parse_locale( const char * locale )
+{
+    assert(locale != nullptr);
+
+    if (*locale == '\0' || std::strcmp(locale, "C") == 0
+        || std::strcmp(locale, "POSIX") == 0)
+    {
+        return rtl_locale_register(u"C", u"", u"");
+    }
+
+    size_t len = strlen( locale );
+
+    rtl_uString * pLanguage = nullptr;
+    rtl_uString * pCountry  = nullptr;
+    rtl_uString * pVariant  = nullptr;
+
+    size_t offset = std::min<size_t>(len, 2);
+
+    rtl_Locale * ret;
+
+    /* language is a two or three letter code */
+    if( (len > 3 && locale[3] == '_') || (len == 3 && locale[2] != '_') )
+        offset = 3;
+
+    /* convert language code to unicode */
+    rtl_string2UString( &pLanguage, locale, offset, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
+    OSL_ASSERT(pLanguage != nullptr);
+
+    /* convert country code to unicode */
+    if( len >= offset+3 && locale[offset] == '_' )
+    {
+        rtl_string2UString( &pCountry, locale + offset + 1, 2, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
+        OSL_ASSERT(pCountry != nullptr);
+        offset += 3;
+    }
+
+    /* convert variant code to unicode - do not rely on "." as delimiter */
+    if( len > offset ) {
+        rtl_string2UString( &pVariant, locale + offset, len - offset, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
+        OSL_ASSERT(pVariant != nullptr);
+    }
+
+    ret =  rtl_locale_register( pLanguage->buffer, pCountry ? pCountry->buffer : u"", pVariant ? pVariant->buffer : u"" );
+
+    if (pVariant) rtl_uString_release(pVariant);
+    if (pCountry) rtl_uString_release(pCountry);
+    if (pLanguage) rtl_uString_release(pLanguage);
+
+    return ret;
+}
+
+#if LO_COMMON_NLS_ARCHS
+
+/*
+ * This implementation of osl_getTextEncodingFromLocale maps
+ * from nl_langinfo_l(CODESET) to rtl_textencoding defines.
+ * nl_langinfo() is supported only on Linux, Solaris,
+ * >= NetBSD 1.6 and >= FreeBSD 4.4
+ *
+ * _nl_language_list[] is an array list of supported encodings. Because
+ * we are using a binary search, the list has to be in ascending order.
+ * We are comparing the encodings case insensitive, so the list has
+ * to be completely upper or lowercase.
+ */
+
+#if defined(__sun)
+
+/* The values in the below list can be obtained with a script like
+ *  #!/bin/sh
+ *  for i in `locale -a`; do
+ *    LC_ALL=$i locale -k code_set_name
+ *  done
+ */
+static const Pair nl_language_list[] = {
+    { "5601",           RTL_TEXTENCODING_EUC_KR         }, /* ko_KR.EUC */
+    { "646",            RTL_TEXTENCODING_ISO_8859_1     }, /* fake: ASCII_US */
+    { "ANSI-1251",      RTL_TEXTENCODING_MS_1251        }, /* ru_RU.ANSI1251 */
+    { "BIG5",           RTL_TEXTENCODING_BIG5           }, /* zh_CN.BIG5 */
+    { "BIG5-HKSCS",     RTL_TEXTENCODING_BIG5_HKSCS     }, /* zh_CN.BIG5HK */
+    { "CNS11643",       RTL_TEXTENCODING_EUC_TW         }, /* zh_TW.EUC */
+    { "EUCJP",          RTL_TEXTENCODING_EUC_JP         }, /* ja_JP.eucjp */
+    { "GB18030",        RTL_TEXTENCODING_GB_18030       }, /* zh_CN.GB18030 */
+    { "GB2312",         RTL_TEXTENCODING_GB_2312        }, /* zh_CN */
+    { "GBK",            RTL_TEXTENCODING_GBK            }, /* zh_CN.GBK */
+    { "ISO8859-1",      RTL_TEXTENCODING_ISO_8859_1     },
+    { "ISO8859-10",     RTL_TEXTENCODING_ISO_8859_10    },
+    { "ISO8859-13",     RTL_TEXTENCODING_ISO_8859_13    }, /* lt_LT lv_LV */
+    { "ISO8859-14",     RTL_TEXTENCODING_ISO_8859_14    },
+    { "ISO8859-15",     RTL_TEXTENCODING_ISO_8859_15    },
+    { "ISO8859-2",      RTL_TEXTENCODING_ISO_8859_2     },
+    { "ISO8859-3",      RTL_TEXTENCODING_ISO_8859_3     },
+    { "ISO8859-4",      RTL_TEXTENCODING_ISO_8859_4     },
+    { "ISO8859-5",      RTL_TEXTENCODING_ISO_8859_5     },
+    { "ISO8859-6",      RTL_TEXTENCODING_ISO_8859_6     },
+    { "ISO8859-7",      RTL_TEXTENCODING_ISO_8859_7     },
+    { "ISO8859-8",      RTL_TEXTENCODING_ISO_8859_8     },
+    { "ISO8859-9",      RTL_TEXTENCODING_ISO_8859_9     },
+    { "KOI8-R",         RTL_TEXTENCODING_KOI8_R         },
+    { "KOI8-U",         RTL_TEXTENCODING_KOI8_U         },
+    { "PCK",            RTL_TEXTENCODING_MS_932         },
+    { "SUN_EU_GREEK",   RTL_TEXTENCODING_ISO_8859_7     }, /* 8859-7 + Euro */
+    { "TIS620.2533",    RTL_TEXTENCODING_MS_874         }, /* th_TH.TIS620 */
+    { "UTF-8",          RTL_TEXTENCODING_UTF8           }
+};
+
+/* XXX MS-874 is an extension to tis620, so this is not
+ * really equivalent */
+
+#elif defined(LINUX) || defined(EMSCRIPTEN)
+
+#if !defined(CODESET)
+#define CODESET _NL_CTYPE_CODESET_NAME
+#endif
+
+const Pair nl_language_list[] = {
+    { "ANSI_X3.110-1983",           RTL_TEXTENCODING_DONTKNOW   },  /* ISO-IR-99 NAPLPS */
+    { "ANSI_X3.4-1968",             RTL_TEXTENCODING_ISO_8859_1 },  /* fake: ASCII_US */
+    { "ASMO_449",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO_9036 ARABIC7 */
+    { "BALTIC",                     RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-179 */
+    { "BIG5",                       RTL_TEXTENCODING_BIG5 },        /* locale: zh_TW */
+    { "BIG5-HKSCS",                 RTL_TEXTENCODING_BIG5_HKSCS },  /* locale: zh_CN.BIG5HK */
+    { "BIG5HKSCS",                  RTL_TEXTENCODING_BIG5_HKSCS },  /* deprecated */
+    { "BS_4730",                    RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-4 ISO646-GB */
+    { "BS_VIEWDATA",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-47 */
+    { "CP1250",                     RTL_TEXTENCODING_MS_1250 },     /* MS-EE */
+    { "CP1251",                     RTL_TEXTENCODING_MS_1251 },     /* MS-CYRL */
+    { "CP1252",                     RTL_TEXTENCODING_MS_1252 },     /* MS-ANSI */
+    { "CP1253",                     RTL_TEXTENCODING_MS_1253 },     /* MS-GREEK */
+    { "CP1254",                     RTL_TEXTENCODING_MS_1254 },     /* MS-TURK */
+    { "CP1255",                     RTL_TEXTENCODING_MS_1255 },     /* MS-HEBR */
+    { "CP1256",                     RTL_TEXTENCODING_MS_1256 },     /* MS-ARAB */
+    { "CP1257",                     RTL_TEXTENCODING_MS_1257 },     /* WINBALTRIM */
+    { "CSA_Z243.4-1985-1",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-121 */
+    { "CSA_Z243.4-1985-2",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-122 CSA7-2 */
+    { "CSA_Z243.4-1985-GR",         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-123 */
+    { "CSN_369103",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-139 */
+    { "CWI",                        RTL_TEXTENCODING_DONTKNOW },    /* CWI-2 CP-HU */
+    { "DEC-MCS",                    RTL_TEXTENCODING_DONTKNOW },    /* DEC */
+    { "DIN_66003",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-21 */
+    { "DS_2089",                    RTL_TEXTENCODING_DONTKNOW },    /* DS2089 ISO646-DK */
+    { "EBCDIC-AT-DE",               RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-AT-DE-A",             RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-CA-FR",               RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-DK-NO",               RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-DK-NO-A",             RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-ES",                  RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-ES-A",                RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-ES-S",                RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-FI-SE",               RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-FI-SE-A",             RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-FR",                  RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-IS-FRISS",            RTL_TEXTENCODING_DONTKNOW },    /*  FRISS */
+    { "EBCDIC-IT",                  RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-PT",                  RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-UK",                  RTL_TEXTENCODING_DONTKNOW },
+    { "EBCDIC-US",                  RTL_TEXTENCODING_DONTKNOW },
+    { "ECMA-CYRILLIC",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-111 */
+    { "ES",                         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-17 */
+    { "ES2",                        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-85 */
+    { "EUC-JP",                     RTL_TEXTENCODING_EUC_JP },      /* locale: ja_JP.eucjp */
+    { "EUC-KR",                     RTL_TEXTENCODING_EUC_KR },      /* locale: ko_KR.euckr */
+    { "EUC-TW",                     RTL_TEXTENCODING_EUC_TW },      /* locale: zh_TW.euctw */
+    { "GB18030",                    RTL_TEXTENCODING_GB_18030 },    /* locale: zh_CN.gb18030 */
+    { "GB2312",                     RTL_TEXTENCODING_GB_2312 },     /* locale: zh_CN */
+    { "GB_1988-80",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-57 */
+    { "GBK",                        RTL_TEXTENCODING_GBK },         /* locale: zh_CN.GBK */
+    { "GOST_19768-74",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-153 */
+    { "GREEK-CCITT",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-150 */
+    { "GREEK7",                     RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-88 */
+    { "GREEK7-OLD",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-18 */
+    { "HP-ROMAN8",                  RTL_TEXTENCODING_DONTKNOW },    /* ROMAN8 R8 */
+    { "IBM037",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-[US|CA|WT] */
+    { "IBM038",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-INT CP038 */
+    { "IBM1004",                    RTL_TEXTENCODING_DONTKNOW },    /* CP1004 OS2LATIN1 */
+    { "IBM1026",                    RTL_TEXTENCODING_DONTKNOW },    /* CP1026 1026 */
+    { "IBM1047",                    RTL_TEXTENCODING_DONTKNOW },    /* CP1047 1047 */
+    { "IBM256",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-INT1 */
+    { "IBM273",                     RTL_TEXTENCODING_DONTKNOW },    /* CP273 */
+    { "IBM274",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-BE CP274 */
+    { "IBM275",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-BR CP275 */
+    { "IBM277",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-[DK|NO] */
+    { "IBM278",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-[FISE]*/
+    { "IBM280",                     RTL_TEXTENCODING_DONTKNOW },    /* CP280 EBCDIC-CP-IT*/
+    { "IBM281",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-JP-E CP281 */
+    { "IBM284",                     RTL_TEXTENCODING_DONTKNOW },    /* CP284 EBCDIC-CP-ES */
+    { "IBM285",                     RTL_TEXTENCODING_DONTKNOW },    /* CP285 EBCDIC-CP-GB */
+    { "IBM290",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-JP-KANA */
+    { "IBM297",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-FR */
+    { "IBM420",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-AR1 */
+    { "IBM423",                     RTL_TEXTENCODING_DONTKNOW },    /* CP423 EBCDIC-CP-GR */
+    { "IBM424",                     RTL_TEXTENCODING_DONTKNOW },    /* CP424 EBCDIC-CP-HE */
+    { "IBM437",                     RTL_TEXTENCODING_IBM_437 },     /* CP437 437 */
+    { "IBM500",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-[BE|CH] */
+    { "IBM850",                     RTL_TEXTENCODING_IBM_850 },     /* CP850 850 */
+    { "IBM851",                     RTL_TEXTENCODING_DONTKNOW },    /* CP851 851 */
+    { "IBM852",                     RTL_TEXTENCODING_IBM_852 },     /* CP852 852 */
+    { "IBM855",                     RTL_TEXTENCODING_IBM_855 },     /* CP855 855 */
+    { "IBM857",                     RTL_TEXTENCODING_IBM_857 },     /* CP857 857 */
+    { "IBM860",                     RTL_TEXTENCODING_IBM_860 },     /* CP860 860 */
+    { "IBM861",                     RTL_TEXTENCODING_IBM_861 },     /* CP861 861 CP-IS */
+    { "IBM862",                     RTL_TEXTENCODING_IBM_862 },     /* CP862 862 */
+    { "IBM863",                     RTL_TEXTENCODING_IBM_863 },     /* CP863 863 */
+    { "IBM864",                     RTL_TEXTENCODING_IBM_864 },     /* CP864 */
+    { "IBM865",                     RTL_TEXTENCODING_IBM_865 },     /* CP865 865 */
+    { "IBM866",                     RTL_TEXTENCODING_IBM_866 },     /* CP866 866 */
+    { "IBM868",                     RTL_TEXTENCODING_DONTKNOW },    /* CP868 CP-AR */
+    { "IBM869",                     RTL_TEXTENCODING_IBM_869 },     /* CP869 869 CP-GR */
+    { "IBM870",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-[ROECE|YU] */
+    { "IBM871",                     RTL_TEXTENCODING_DONTKNOW },    /* CP871 EBCDIC-CP-IS */
+    { "IBM875",                     RTL_TEXTENCODING_DONTKNOW },    /* CP875 EBCDIC-GREEK */
+    { "IBM880",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CYRILLIC */
+    { "IBM891",                     RTL_TEXTENCODING_DONTKNOW },    /* CP891 */
+    { "IBM903",                     RTL_TEXTENCODING_DONTKNOW },    /* CP903 */
+    { "IBM904",                     RTL_TEXTENCODING_DONTKNOW },    /* CP904 904 */
+    { "IBM905",                     RTL_TEXTENCODING_DONTKNOW },    /* CP905 EBCDIC-CP-TR */
+    { "IBM918",                     RTL_TEXTENCODING_DONTKNOW },    /* CP918 EBCDIC-AR2 */
+    { "IEC_P27-1",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-143 */
+    { "INIS",                       RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-49 */
+    { "INIS-8",                     RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-50 */
+    { "INIS-CYRILLIC",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-51 */
+    { "INVARIANT",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-170 */
+    { "ISO-8859-1",                 RTL_TEXTENCODING_ISO_8859_1 },  /* ISO-IR-100 CP819 */
+    { "ISO-8859-10",                RTL_TEXTENCODING_ISO_8859_10 }, /* ISO-IR-157 LATIN6 */
+    { "ISO-8859-13",                RTL_TEXTENCODING_ISO_8859_13 }, /* ISO-IR-179 LATIN7 */
+    { "ISO-8859-14",                RTL_TEXTENCODING_ISO_8859_14 }, /* LATIN8 L8 */
+    { "ISO-8859-15",                RTL_TEXTENCODING_ISO_8859_15 },
+    { "ISO-8859-2",                 RTL_TEXTENCODING_ISO_8859_2 },  /* LATIN2 L2 */
+    { "ISO-8859-3",                 RTL_TEXTENCODING_ISO_8859_3 },  /* LATIN3 L3 */
+    { "ISO-8859-4",                 RTL_TEXTENCODING_ISO_8859_4 },  /* LATIN4 L4 */
+    { "ISO-8859-5",                 RTL_TEXTENCODING_ISO_8859_5 },  /* CYRILLIC */
+    { "ISO-8859-6",                 RTL_TEXTENCODING_ISO_8859_6 },  /* ECMA-114 ARABIC */
+    { "ISO-8859-7",                 RTL_TEXTENCODING_ISO_8859_7 },  /* ECMA-118 GREEK8 */
+    { "ISO-8859-8",                 RTL_TEXTENCODING_ISO_8859_8 },  /* ISO_8859-8 HEBREW */
+    { "ISO-8859-9",                 RTL_TEXTENCODING_ISO_8859_9 },  /* ISO_8859-9 LATIN5 */
+    { "ISO-IR-90",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO_6937-2:1983 */
+    { "ISO_10367-BOX",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-155 */
+    { "ISO_2033-1983",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-98 E13B */
+    { "ISO_5427",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-37 KOI-7 */
+    { "ISO_5427-EXT",               RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-54  */
+    { "ISO_5428",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-55 */
+    { "ISO_646.BASIC",              RTL_TEXTENCODING_ASCII_US },    /* REF */
+    { "ISO_646.IRV",                RTL_TEXTENCODING_ASCII_US },    /* ISO-IR-2 IRV */
+    { "ISO_646.IRV:1983",           RTL_TEXTENCODING_ISO_8859_1 },  /* fake: ASCII_US, used for "C" locale*/
+    { "ISO_6937",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-156 ISO6937*/
+    { "ISO_6937-2-25",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-152 */
+    { "ISO_6937-2-ADD",             RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-142 */
+    { "ISO_8859-SUPP",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-154 */
+    { "IT",                         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-15  */
+    { "JIS_C6220-1969-JP",          RTL_TEXTENCODING_DONTKNOW },    /* KATAKANA X0201-7 */
+    { "JIS_C6220-1969-RO",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-14 */
+    { "JIS_C6229-1984-A",           RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-91 */
+    { "JIS_C6229-1984-B",           RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-92 */
+    { "JIS_C6229-1984-B-ADD",       RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-93 */
+    { "JIS_C6229-1984-HAND",        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-94 */
+    { "JIS_C6229-1984-HAND-ADD",    RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-95 */
+    { "JIS_C6229-1984-KANA",        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-96 */
+    { "JIS_X0201",                  RTL_TEXTENCODING_DONTKNOW },    /* X0201 */
+    { "JUS_I.B1.002",               RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-141 */
+    { "JUS_I.B1.003-MAC",           RTL_TEXTENCODING_DONTKNOW },    /* MACEDONIAN */
+    { "JUS_I.B1.003-SERB",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-146 SERBIAN */
+    { "KOI-8",                      RTL_TEXTENCODING_DONTKNOW },
+    { "KOI8-R",                     RTL_TEXTENCODING_KOI8_R },
+    { "KOI8-U",                     RTL_TEXTENCODING_KOI8_U },
+    { "KSC5636",                    RTL_TEXTENCODING_DONTKNOW },    /* ISO646-KR */
+    { "LATIN-GREEK",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-19 */
+    { "LATIN-GREEK-1",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-27 */
+    { "MAC-IS",                     RTL_TEXTENCODING_APPLE_ROMAN },
+    { "MAC-UK",                     RTL_TEXTENCODING_APPLE_ROMAN },
+    { "MACINTOSH",                  RTL_TEXTENCODING_APPLE_ROMAN }, /* MAC */
+    { "MSZ_7795.3",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-86 */
+    { "NATS-DANO",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-9-1 */
+    { "NATS-DANO-ADD",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-9-2 */
+    { "NATS-SEFI",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-8-1 */
+    { "NATS-SEFI-ADD",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-8-2 */
+    { "NC_NC00-10",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-151 */
+    { "NEXTSTEP",                   RTL_TEXTENCODING_DONTKNOW },    /* NEXT */
+    { "NF_Z_62-010",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-69 */
+    { "NF_Z_62-010_(1973)",         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-25 */
+    { "NS_4551-1",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-60 */
+    { "NS_4551-2",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-61 */
+    { "PT",                         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-16 */
+    { "PT2",                        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-84 */
+    { "SAMI",                       RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-158 */
+    { "SEN_850200_B",               RTL_TEXTENCODING_DONTKNOW },    /* ISO646-[FI|SE] */
+    { "SEN_850200_C",               RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-11 */
+    { "T.101-G2",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-128 */
+    { "T.61-7BIT",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-102 */
+    { "T.61-8BIT",                  RTL_TEXTENCODING_DONTKNOW },    /* T.61 ISO-IR-103 */
+    { "TIS-620",                    RTL_TEXTENCODING_MS_874 },     /* locale: th_TH */
+    { "UTF-8",                      RTL_TEXTENCODING_UTF8 },        /* ISO-10646/UTF-8 */
+    { "VIDEOTEX-SUPPL",             RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-70 */
+    { "WIN-SAMI-2",                 RTL_TEXTENCODING_DONTKNOW }     /* WS2 */
+};
+
+#elif defined(FREEBSD) || defined(DRAGONFLY)
+
+static const Pair nl_language_list[] = {
+    { "ASCII",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
+    { "BIG5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
+    { "CP1251",        RTL_TEXTENCODING_MS_1251        }, /* MS-CYRL */
+    { "CP866",         RTL_TEXTENCODING_IBM_866        }, /* CP866 866 */
+    { "EUCCN",         RTL_TEXTENCODING_EUC_CN         }, /* China - Simplified Chinese */
+    { "EUCJP",         RTL_TEXTENCODING_EUC_JP         }, /* Japan */
+    { "EUCKR",         RTL_TEXTENCODING_EUC_KR         }, /* Korea */
+    { "ISO8859-1",     RTL_TEXTENCODING_ISO_8859_1     }, /* Western */
+    { "ISO8859-15",    RTL_TEXTENCODING_ISO_8859_15    }, /* Western Updated (w/Euro sign) */
+    { "ISO8859-2",     RTL_TEXTENCODING_ISO_8859_2     }, /* Central European */
+    { "ISO8859-4",     RTL_TEXTENCODING_ISO_8859_4     }, /* LATIN4 L4 */
+    { "ISO8859-5",     RTL_TEXTENCODING_ISO_8859_5     }, /* Cyrillic */
+    { "ISO8859-7",     RTL_TEXTENCODING_ISO_8859_7     }, /* Greek */
+    { "ISO8859-9",     RTL_TEXTENCODING_ISO_8859_9     }, /* Turkish */
+    { "KOI8-R",        RTL_TEXTENCODING_KOI8_R         }, /* KOI8-R */
+    { "KOI8-U",        RTL_TEXTENCODING_KOI8_U         }, /* KOI8-U */
+    { "SJIS",          RTL_TEXTENCODING_SHIFT_JIS      }, /* Japan */
+    { "US-ASCII",      RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
+    { "UTF-8",         RTL_TEXTENCODING_UTF8           }  /* ISO-10646/UTF-8 */
+};
+
+#elif defined(NETBSD)
+
+static const Pair nl_language_list[] = {
+    { "ASCII",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
+    { "BIG5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
+    { "Big5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
+    { "Big5-HKSCS",    RTL_TEXTENCODING_BIG5_HKSCS     }, /* locale: zh_CN.BIG5HK */
+    { "Big5HKSCS",     RTL_TEXTENCODING_BIG5_HKSCS     }, /* deprecated */
+    { "CP1251",        RTL_TEXTENCODING_MS_1251        }, /* MS-CYRL */
+    { "CP866",         RTL_TEXTENCODING_IBM_866        }, /* CP866 866 */
+    { "CTEXT",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
+    { "eucCN",         RTL_TEXTENCODING_EUC_CN         }, /* China - Simplified Chinese */
+    { "eucJP",         RTL_TEXTENCODING_EUC_JP         }, /* Japan */
+    { "eucKR",         RTL_TEXTENCODING_EUC_KR         }, /* Korea */
+    { "eucTW",         RTL_TEXTENCODING_EUC_TW         }, /* China - Traditional Chinese */
+    { "GB18030",       RTL_TEXTENCODING_GB_18030       }, /* locale: zh_CN.gb18030 */
+    { "GB2312",        RTL_TEXTENCODING_GB_2312        }, /* locale: zh_CN */
+    { "ISO-2022-JP",   RTL_TEXTENCODING_DONTKNOW       }, /* */
+    { "ISO-2022-JP-2", RTL_TEXTENCODING_DONTKNOW       }, /* */
+    { "ISO8859-1",     RTL_TEXTENCODING_ISO_8859_1     }, /* Western */
+    { "ISO8859-13",    RTL_TEXTENCODING_ISO_8859_13    }, /* ISO-IR-179 LATIN7 */
+    { "ISO8859-15",    RTL_TEXTENCODING_ISO_8859_15    }, /* Western Updated (w/Euro sign) */
+    { "ISO8859-2",     RTL_TEXTENCODING_ISO_8859_2     }, /* Central European */
+    { "ISO8859-4",     RTL_TEXTENCODING_ISO_8859_4     }, /* LATIN4 L4 */
+    { "ISO8859-5",     RTL_TEXTENCODING_ISO_8859_5     }, /* Cyrillic */
+    { "ISO8859-7",     RTL_TEXTENCODING_ISO_8859_7     }, /* Greek */
+    { "ISO8859-9",     RTL_TEXTENCODING_ISO_8859_9     }, /* Turkish */
+    { "KOI8-R",        RTL_TEXTENCODING_KOI8_R         }, /* KOI8-R */
+    { "KOI8-U",        RTL_TEXTENCODING_KOI8_U         }, /* KOI8-U */
+    { "PT154",         RTL_TEXTENCODING_PT154          }, /* */
+    { "SJIS",          RTL_TEXTENCODING_SHIFT_JIS      }, /* Japan */
+    { "US-ASCII",      RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
+    { "UTF-8",         RTL_TEXTENCODING_UTF8           }  /* ISO-10646/UTF-8 */
+};
+
+#elif defined(OPENBSD)
+
+static const Pair nl_language_list[] = {
+    { "ASCII",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
+    { "BIG5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
+    { "CP1251",        RTL_TEXTENCODING_MS_1251        }, /* MS-CYRL */
+    { "CP866",         RTL_TEXTENCODING_IBM_866        }, /* CP866 866 */
+    { "EUCCN",         RTL_TEXTENCODING_EUC_CN         }, /* China - Simplified Chinese */
+    { "EUCJP",         RTL_TEXTENCODING_EUC_JP         }, /* Japan */
+    { "EUCKR",         RTL_TEXTENCODING_EUC_KR         }, /* Korea */
+    { "ISO8859-1",     RTL_TEXTENCODING_ISO_8859_1     }, /* Western */
+    { "ISO8859-15",    RTL_TEXTENCODING_ISO_8859_15    }, /* Western Updated (w/Euro sign) */
+    { "ISO8859-2",     RTL_TEXTENCODING_ISO_8859_2     }, /* Central European */
+    { "ISO8859-4",     RTL_TEXTENCODING_ISO_8859_4     }, /* LATIN4 L4 */
+    { "ISO8859-5",     RTL_TEXTENCODING_ISO_8859_5     }, /* Cyrillic */
+    { "ISO8859-7",     RTL_TEXTENCODING_ISO_8859_7     }, /* Greek */
+    { "ISO8859-9",     RTL_TEXTENCODING_ISO_8859_9     }, /* Turkish */
+    { "KOI8-R",        RTL_TEXTENCODING_KOI8_R         }, /* KOI8-R */
+    { "KOI8-U",        RTL_TEXTENCODING_KOI8_U         }, /* KOI8-U */
+    { "SJIS",          RTL_TEXTENCODING_SHIFT_JIS      }, /* Japan */
+    { "US-ASCII",      RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
+    { "UTF-8",         RTL_TEXTENCODING_UTF8           }  /* ISO-10646/UTF-8 */
+};
+
+#else
+#error Unhandled individual LO_COMMON_NLS_ARCHS
+#endif // individual common NLS archs
+
+/*****************************************************************************
+ return the text encoding corresponding to the given locale
+ *****************************************************************************/
+
+rtl_TextEncoding osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
+{
+    const Pair *language=nullptr;
+
+    char  locale_buf[64] = "";
+    char  codeset_buf[64];
+
+    char *codeset      = nullptr;
+
+    /* default to process locale if pLocale == NULL */
+    if( pLocale == nullptr )
+        osl_getProcessLocale( &pLocale );
+
+    /* convert rtl_Locale to locale string */
+    compose_locale( pLocale, locale_buf, 64 );
+
+    locale_t ctype_locale = newlocale(
+        LC_CTYPE_MASK, locale_buf, static_cast<locale_t>(0));
+    if (ctype_locale == static_cast<locale_t>(0))
+    {
+        return RTL_TEXTENCODING_DONTKNOW;
+    }
+
+    /* get the charset as indicated by the LC_CTYPE locale */
+#if defined(NETBSD) && !defined(CODESET)
+    codeset = NULL;
+#else
+    codeset = nl_langinfo_l(CODESET, ctype_locale);
+        // per SUSv4, the return value of nl_langinfo_l can be invalidated by a
+        // subsequent call to nl_langinfo (not nl_langinfo_l) in any thread, but
+        // we cannot guard against that (at least, no code in LO itself should
+        // call nl_langinfo)
+#endif
+
+    if ( codeset != nullptr )
+    {
+        /* get codeset into mt save memory */
+        strncpy( codeset_buf, codeset, sizeof(codeset_buf) );
+        codeset_buf[sizeof(codeset_buf) - 1] = 0;
+        codeset = codeset_buf;
+    }
+
+    freelocale(ctype_locale);
+
+    /* search the codeset in our language list */
+    if ( codeset != nullptr )
+    {
+        language = pair_search (codeset, nl_language_list, SAL_N_ELEMENTS( nl_language_list ) );
+    }
+
+    OSL_ASSERT( language && ( RTL_TEXTENCODING_DONTKNOW != language->value ) );
+
+    /* a matching item in our list provides a mapping from codeset to
+     * rtl-codeset */
+    if ( language != nullptr )
+        return language->value;
+
+    return RTL_TEXTENCODING_DONTKNOW;
+}
+
+/*****************************************************************************
+ return the current process locale
+ *****************************************************************************/
+
+void imp_getProcessLocale( rtl_Locale ** ppLocale )
+{
+    char const * locale = getenv("LC_ALL");
+    if (locale == nullptr || *locale == '\0') {
+        locale = getenv("LC_CTYPE");
+        if (locale == nullptr || *locale == '\0') {
+            locale = getenv("LANG");
+            if (locale == nullptr || *locale == '\0') {
+                locale = "C";
+            }
+        }
+    }
+    // coverity[overrun-buffer-val : FALSE] - coverity gets this very wrong
+    *ppLocale = parse_locale(locale);
+}
+
+#else // !LO_COMMON_NLS_ARCHS
+
+/*
+ * This implementation of osl_getTextEncodingFromLocale maps
+ * from the ISO language codes.
+ */
+
+const Pair full_locale_list[] = {
+    { "ja_JP.eucJP",  RTL_TEXTENCODING_EUC_JP      },
+    { "ja_JP.EUC",    RTL_TEXTENCODING_EUC_JP      },
+    { "ko_KR.EUC",    RTL_TEXTENCODING_EUC_KR      },
+    { "zh_CN.EUC",    RTL_TEXTENCODING_EUC_CN      },
+    { "zh_TW.EUC",    RTL_TEXTENCODING_EUC_TW      }
+};
+
+const Pair locale_extension_list[] = {
+    { "big5",         RTL_TEXTENCODING_BIG5        },
+    { "big5hk",       RTL_TEXTENCODING_BIG5_HKSCS  },
+    { "gb18030",      RTL_TEXTENCODING_GB_18030    },
+    { "euc",          RTL_TEXTENCODING_EUC_JP      },
+    { "iso8859-1",    RTL_TEXTENCODING_ISO_8859_1  },
+    { "iso8859-10",   RTL_TEXTENCODING_ISO_8859_10 },
+    { "iso8859-13",   RTL_TEXTENCODING_ISO_8859_13 },
+    { "iso8859-14",   RTL_TEXTENCODING_ISO_8859_14 },
+    { "iso8859-15",   RTL_TEXTENCODING_ISO_8859_15 },
+    { "iso8859-2",    RTL_TEXTENCODING_ISO_8859_2  },
+    { "iso8859-3",    RTL_TEXTENCODING_ISO_8859_3  },
+    { "iso8859-4",    RTL_TEXTENCODING_ISO_8859_4  },
+    { "iso8859-5",    RTL_TEXTENCODING_ISO_8859_5  },
+    { "iso8859-6",    RTL_TEXTENCODING_ISO_8859_6  },
+    { "iso8859-7",    RTL_TEXTENCODING_ISO_8859_7  },
+    { "iso8859-8",    RTL_TEXTENCODING_ISO_8859_8  },
+    { "iso8859-9",    RTL_TEXTENCODING_ISO_8859_9  },
+    { "koi8-r",       RTL_TEXTENCODING_KOI8_R      },
+    { "koi8-u",       RTL_TEXTENCODING_KOI8_U      },
+    { "pck",          RTL_TEXTENCODING_MS_932      },
+#if (0)
+    { "sun_eu_greek", RTL_TEXTENCODING_DONTKNOW    },
+#endif
+    { "utf-16",       RTL_TEXTENCODING_UNICODE     },
+    { "utf-7",        RTL_TEXTENCODING_UTF7        },
+    { "utf-8",        RTL_TEXTENCODING_UTF8        }
+};
+
+const Pair iso_language_list[] = {
+    { "af",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "ar",  RTL_TEXTENCODING_ISO_8859_6 },
+    { "az",  RTL_TEXTENCODING_ISO_8859_9 },
+    { "be",  RTL_TEXTENCODING_ISO_8859_5 },
+    { "bg",  RTL_TEXTENCODING_ISO_8859_5 },
+    { "ca",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "cs",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "da",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "de",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "el",  RTL_TEXTENCODING_ISO_8859_7 },
+    { "en",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "es",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "et",  RTL_TEXTENCODING_ISO_8859_4 },
+    { "eu",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "fa",  RTL_TEXTENCODING_ISO_8859_6 },
+    { "fi",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "fo",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "fr",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "gr",  RTL_TEXTENCODING_ISO_8859_7 },
+    { "he",  RTL_TEXTENCODING_ISO_8859_8 },
+    { "hi",  RTL_TEXTENCODING_DONTKNOW },
+    { "hr",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "hu",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "hy",  RTL_TEXTENCODING_DONTKNOW },
+    { "id",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "is",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "it",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "iw",  RTL_TEXTENCODING_ISO_8859_8 },
+    { "ja",  RTL_TEXTENCODING_EUC_JP },
+    { "ka",  RTL_TEXTENCODING_DONTKNOW },
+    { "kk",  RTL_TEXTENCODING_ISO_8859_5 },
+    { "ko",  RTL_TEXTENCODING_EUC_KR },
+    { "lt",  RTL_TEXTENCODING_ISO_8859_4 },
+    { "lv",  RTL_TEXTENCODING_ISO_8859_4 },
+    { "mk",  RTL_TEXTENCODING_ISO_8859_5 },
+    { "mr",  RTL_TEXTENCODING_DONTKNOW },
+    { "ms",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "nl",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "no",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "pl",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "pt",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "ro",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "ru",  RTL_TEXTENCODING_ISO_8859_5 },
+    { "sa",  RTL_TEXTENCODING_DONTKNOW },
+    { "sk",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "sl",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "sq",  RTL_TEXTENCODING_ISO_8859_2 },
+    { "sv",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "sw",  RTL_TEXTENCODING_ISO_8859_1 },
+    { "ta",  RTL_TEXTENCODING_DONTKNOW },
+    { "th",  RTL_TEXTENCODING_DONTKNOW },
+    { "tr",  RTL_TEXTENCODING_ISO_8859_9 },
+    { "tt",  RTL_TEXTENCODING_ISO_8859_5 },
+    { "uk",  RTL_TEXTENCODING_ISO_8859_5 },
+    { "ur",  RTL_TEXTENCODING_ISO_8859_6 },
+    { "uz",  RTL_TEXTENCODING_ISO_8859_9 },
+    { "vi",  RTL_TEXTENCODING_DONTKNOW },
+    { "zh",  RTL_TEXTENCODING_BIG5 }
+};
+
+/*****************************************************************************
+ return the text encoding corresponding to the given locale
+ *****************************************************************************/
+
+rtl_TextEncoding osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
+{
+    const Pair *language = nullptr;
+    char locale_buf[64] = "";
+
+    /* default to process locale if pLocale == NULL */
+    if( nullptr == pLocale )
+        osl_getProcessLocale( &pLocale );
+
+    /* convert rtl_Locale to locale string */
+    if( compose_locale( pLocale, locale_buf, 64 ) )
+    {
+        /* check special handling list (EUC) first */
+        language = pair_search( locale_buf, full_locale_list, SAL_N_ELEMENTS( full_locale_list ) );
+
+        if( nullptr == language )
+        {
+            /*
+             *  check if there is a charset qualifier at the end of the given locale string
+             *  e.g. de.ISO8859-15 or de.ISO8859-15@euro which strongly indicates what
+             *  charset to use
+             */
+            char* cp = strrchr( locale_buf, '.' );
+
+            if( nullptr != cp )
+            {
+                language = pair_search( cp + 1, locale_extension_list, SAL_N_ELEMENTS( locale_extension_list ) );
+            }
+        }
+
+        /* use iso language code to determine the charset */
+        if( nullptr == language )
+        {
+            /* iso lang codes have 2 characters */
+            locale_buf[2] = '\0';
+
+            language = pair_search( locale_buf, iso_language_list, SAL_N_ELEMENTS( iso_language_list ) );
+        }
+    }
+
+    /* a matching item in our list provides a mapping from codeset to
+     * rtl-codeset */
+    if ( language != nullptr )
+        return language->value;
+
+    return RTL_TEXTENCODING_DONTKNOW;
+}
+
+#if defined(MACOSX) || defined(IOS)
+
+/*****************************************************************************
+ return the current process locale
+ *****************************************************************************/
+
+void imp_getProcessLocale( rtl_Locale ** ppLocale )
+{
+    OUString loc16(macosx_getLocale());
+    OString locale;
+    if (!loc16.convertToString(
+            &locale, RTL_TEXTENCODING_UTF8,
+            (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR
+             | RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
+    {
+        SAL_INFO("sal.osl", "Cannot convert \"" << loc16 << "\" to UTF-8");
+    }
+
+    /* handle the case where OS specific method of finding locale fails */
+    if ( locale.isEmpty() )
+    {
+        /* simulate behavior of setlocale */
+        locale = getenv( "LC_ALL" );
+
+        if( locale.isEmpty() )
+            locale = getenv( "LC_CTYPE" );
+
+        if( locale.isEmpty() )
+            locale = getenv( "LANG" );
+
+        if( locale.isEmpty() )
+            locale = "C"_ostr;
+    }
+
+    /* return the locale */
+    *ppLocale = parse_locale( locale.getStr() );
+}
+
+#else // !MACOSX && !IOS
+
+/*****************************************************************************
+ return the current process locale
+ *****************************************************************************/
+
+void imp_getProcessLocale( rtl_Locale ** ppLocale )
+{
+#ifdef ANDROID
+    /* No locale environment variables on Android, so why even bother
+     * with getenv().
+     */
+    const char* locale = "en-US.UTF-8";
+#else
+    /* simulate behavior off setlocale */
+    const char* locale = getenv("LC_ALL");
+
+    if( NULL == locale )
+        locale = getenv( "LC_CTYPE" );
+
+    if( NULL == locale )
+        locale = getenv( "LANG" );
+
+    if( NULL == locale )
+        locale = "C";
+
+#endif
+    *ppLocale = parse_locale( locale );
+}
+
+#endif // !MACOSX && !IOS
+#endif // !LO_COMMON_NLS_ARCHS
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */