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/* charsets.c
 * Routines for handling character sets
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "config.h"

#include <glib.h>

#include <epan/proto.h>
#include <epan/wmem/wmem.h>

#include <wsutil/pint.h>
#include <wsutil/unicode-utils.h>

#include "charsets.h"

/* REPLACEMENT CHARACTER */
#define UNREPL 0xFFFD

/*
 * Wikipedia's "Character encoding" template, giving a pile of character encodings and
 * Wikipedia pages for them:
 *
 *    http://en.wikipedia.org/wiki/Template:Character_encoding
 *
 * Unicode character encoding model:
 *
 *    http://www.unicode.org/reports/tr17/
 *
 * International Components for Unicode character set mapping tables:
 *
 *    http://site.icu-project.org/charts/charset
 *
 * MSDN information on code pages:
 *
 *    http://msdn.microsoft.com/en-us/library/dd317752(v=VS.85).aspx
 *
 * ASCII-based code pages, from IBM:
 *
 *    http://www-01.ibm.com/software/globalization/cp/cp_cpgid.html
 *
 * EBCDIC code pages, from IBM:
 *
 *    http://www-03.ibm.com/systems/i/software/globalization/codepages.html
 */

/*
 * Given a wmem scope, a pointer, and a length, treat the string of bytes
 * referred to by the pointer and length as an ASCII string, with all bytes
 * with the high-order bit set being invalid, and return a pointer to a
 * UTF-8 string, allocated using the wmem scope.
 *
 * Octets with the highest bit set will be converted to the Unicode
 * REPLACEMENT CHARACTER.
 */
guint8 *
get_ascii_string(wmem_allocator_t *scope, const guint8 *ptr, gint length)
{
    wmem_strbuf_t *str;

    str = wmem_strbuf_sized_new(scope, length+1, 0);

    while (length > 0) {
        guint8 ch = *ptr;

        if (ch < 0x80)
            wmem_strbuf_append_c(str, ch);
        else
            wmem_strbuf_append_unichar(str, UNREPL);
        ptr++;
        length--;
    }

    return (guint8 *) wmem_strbuf_finalize(str);
}

/*
 * Given a wmem scope, a pointer, and a length, treat the string of bytes
 * referred to by the pointer and length as an ISO 8859/1 string, and
 * return a pointer to a UTF-8 string, allocated using the wmem scope.
 */
guint8 *
get_8859_1_string(wmem_allocator_t *scope, const guint8 *ptr, gint length)
{
    wmem_strbuf_t *str;

    str = wmem_strbuf_sized_new(scope, length+1, 0);

    while (length > 0) {
        guint8 ch = *ptr;

        if (ch < 0x80)
            wmem_strbuf_append_c(str, ch);
        else {
            /*
             * Note: we assume here that the code points
             * 0x80-0x9F are used for C1 control characters,
             * and thus have the same value as the corresponding
             * Unicode code points.
             */
            wmem_strbuf_append_unichar(str, ch);
        }
        ptr++;
        length--;
    }

    return (guint8 *) wmem_strbuf_finalize(str);
}

/*
 * Translation tables that map the upper 128 code points in single-byte
 * "extended ASCII" character encodings to Unicode code points in the
 * Basic Multilingual Plane.
 */

/* ISO-8859-2 (http://en.wikipedia.org/wiki/ISO/IEC_8859-2#Code_page_layout) */
const gunichar2 charset_table_iso_8859_2[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x0104, 0x02d8, 0x0141, 0x00a4, 0x013d, 0x015a, 0x00a7,        /* 0xA0 -      */
    0x00a8, 0x0160, 0x015e, 0x0164, 0x0179, 0x00ad, 0x017d, 0x017b,        /*      - 0xAF */
    0x00b0, 0x0105, 0x02db, 0x0142, 0x00b4, 0x013e, 0x015b, 0x02c7,        /* 0xB0 -      */
    0x00b8, 0x0161, 0x015f, 0x0165, 0x017a, 0x02dd, 0x017e, 0x017c,        /*      - 0xBF */
    0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7,        /* 0xC0 -      */
    0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e,        /*      - 0xCF */
    0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7,        /* 0xD0 -      */
    0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df,        /*      - 0xDF */
    0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7,        /* 0xE0 -      */
    0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f,        /*      - 0xEF */
    0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7,        /* 0xF0 -      */
    0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9         /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-3 */
const gunichar2 charset_table_iso_8859_3[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x0126, 0x02d8, 0x00a3, 0x00a4, UNREPL, 0x0124, 0x00a7,        /* 0xA0 -      */
    0x00a8, 0x0130, 0x015e, 0x011e, 0x0134, 0x00ad, UNREPL, 0x017b,        /*      - 0xAF */
    0x00b0, 0x0127, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x0125, 0x00b7,        /* 0xB0 -      */
    0x00b8, 0x0131, 0x015f, 0x011f, 0x0135, 0x00bd, UNREPL, 0x017c,        /*      - 0xBF */
    0x00c0, 0x00c1, 0x00c2, UNREPL, 0x00c4, 0x010a, 0x0108, 0x00c7,        /* 0xC0 -      */
    0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,        /*      - 0xCF */
    UNREPL, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x0120, 0x00d6, 0x00d7,        /* 0xD0 -      */
    0x011c, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x016c, 0x015c, 0x00df,        /*      - 0xDF */
    0x00e0, 0x00e1, 0x00e2, UNREPL, 0x00e4, 0x010b, 0x0109, 0x00e7,        /* 0xE0 -      */
    0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,        /*      - 0xEF */
    UNREPL, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x0121, 0x00f6, 0x00f7,        /* 0xF0 -      */
    0x011d, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x016d, 0x015d, 0x02d9,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-4 */
const gunichar2 charset_table_iso_8859_4[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x0104, 0x0138, 0x0156, 0x00a4, 0x0128, 0x013b, 0x00a7,        /* 0xA0 -      */
    0x00a8, 0x0160, 0x0112, 0x0122, 0x0166, 0x00ad, 0x017d, 0x00af,        /*      - 0xAF */
    0x00b0, 0x0105, 0x02db, 0x0157, 0x00b4, 0x0129, 0x013c, 0x02c7,        /* 0xB0 -      */
    0x00b8, 0x0161, 0x0113, 0x0123, 0x0167, 0x014a, 0x017e, 0x014b,        /*      - 0xBF */
    0x0100, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x012e,        /* 0xC0 -      */
    0x010c, 0x00c9, 0x0118, 0x00cb, 0x0116, 0x00cd, 0x00ce, 0x012a,        /*      - 0xCF */
    0x0110, 0x0145, 0x014c, 0x0136, 0x00d4, 0x00d5, 0x00d6, 0x00d7,        /* 0xD0 -      */
    0x00d8, 0x0172, 0x00da, 0x00db, 0x00dc, 0x0168, 0x016a, 0x00df,        /*      - 0xDF */
    0x0101, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x012f,        /* 0xE0 -      */
    0x010d, 0x00e9, 0x0119, 0x00eb, 0x0117, 0x00ed, 0x00ee, 0x012b,        /*      - 0xEF */
    0x0111, 0x0146, 0x014d, 0x0137, 0x00f4, 0x00f5, 0x00f6, 0x00f7,        /* 0xF0 -      */
    0x00f8, 0x0173, 0x00fa, 0x00fb, 0x00fc, 0x0169, 0x016b, 0x02d9,        /*      - 0xFF */
};

/* ISO-8859-5 (http://en.wikipedia.org/wiki/ISO/IEC_8859-5#Code_page_layout) */
const gunichar2 charset_table_iso_8859_5[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407,        /* 0xA0 -      */
    0x0408, 0x0409, 0x040a, 0x040b, 0x040c, 0x040d, 0x040e, 0x040f,        /*      - 0xAF */
    0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,        /* 0xB0 -      */
    0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,        /*      - 0xBF */
    0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,        /* 0xC0 -      */
    0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,        /*      - 0xCF */
    0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,        /* 0xD0 -      */
    0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,        /*      - 0xDF */
    0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,        /* 0xE0 -      */
    0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f,        /*      - 0xEF */
    0x2116, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457,        /* 0xF0 -      */
    0x0458, 0x0459, 0x045a, 0x045b, 0x045c, 0x00a7, 0x045e, 0x045f         /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-6 */
const gunichar2 charset_table_iso_8859_6[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, UNREPL, UNREPL, UNREPL, 0x00a4, UNREPL, UNREPL, UNREPL,        /* 0xA0 -      */
    UNREPL, UNREPL, UNREPL, UNREPL, 0x060c, 0x00ad, UNREPL, UNREPL,        /*      - 0xAF */
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,        /* 0xB0 -      */
    UNREPL, UNREPL, UNREPL, 0x061b, UNREPL, UNREPL, UNREPL, 0x061f,        /*      - 0xBF */
    UNREPL, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,        /* 0xC0 -      */
    0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f,        /*      - 0xCF */
    0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x0637,        /* 0xD0 -      */
    0x0638, 0x0639, 0x063a, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,        /*      - 0xDF */
    0x0640, 0x0641, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647,        /* 0xE0 -      */
    0x0648, 0x0649, 0x064a, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f,        /*      - 0xEF */
    0x0650, 0x0651, 0x0652, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,        /* 0xF0 -      */
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-7 */
const gunichar2 charset_table_iso_8859_7[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x2018, 0x2019, 0x00a3, 0x20ac, 0x20af, 0x00a6, 0x00a7,        /* 0xA0 -      */
    0x00a8, 0x00a9, 0x037a, 0x00ab, 0x00ac, 0x00ad, UNREPL, 0x2015,        /*      - 0xAF */
    0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x0384, 0x0385, 0x0386, 0x00b7,        /* 0xB0 -      */
    0x0388, 0x0389, 0x038a, 0x00bb, 0x038c, 0x00bd, 0x038e, 0x038f,        /*      - 0xBF */
    0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,        /* 0xC0 -      */
    0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, 0x039f,        /*      - 0xCF */
    0x03a0, 0x03a1, UNREPL, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,        /* 0xD0 -      */
    0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,        /*      - 0xDF */
    0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,        /* 0xE0 -      */
    0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,        /*      - 0xEF */
    0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6, 0x03c7,        /* 0xF0 -      */
    0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce, UNREPL,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-8 */
const gunichar2 charset_table_iso_8859_8[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, UNREPL, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,        /* 0xA0 -      */
    0x00a8, 0x00a9, 0x00d7, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,        /*      - 0xAF */
    0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,        /* 0xB0 -      */
    0x00b8, 0x00b9, 0x00f7, 0x00bb, 0x00bc, 0x00bd, 0x00be, UNREPL,        /*      - 0xBF */
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,        /* 0xC0 -      */
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,        /*      - 0xCF */
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,        /* 0xD0 -      */
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, 0x2017,        /*      - 0xDF */
    0x05d0, 0x05d1, 0x05d2, 0x05d3, 0x05d4, 0x05d5, 0x05d6, 0x05d7,        /* 0xE0 -      */
    0x05d8, 0x05d9, 0x05da, 0x05db, 0x05dc, 0x05dd, 0x05de, 0x05df,        /*      - 0xEF */
    0x05e0, 0x05e1, 0x05e2, 0x05e3, 0x05e4, 0x05e5, 0x05e6, 0x05e7,        /* 0xF0 -      */
    0x05e8, 0x05e9, 0x05ea, UNREPL, UNREPL, 0x200e, 0x200f, UNREPL,        /*      - 0xFF */
};

/* ISO-8859-9 (http://en.wikipedia.org/wiki/ISO/IEC_8859-9#Code_page_layout) */
const gunichar2 charset_table_iso_8859_9[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,        /* 0xA0 -      */
    0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,        /*      - 0xAF */
    0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,        /* 0xB0 -      */
    0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,        /*      - 0xBF */
    0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,        /* 0xC0 -      */
    0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,        /*      - 0xCF */
    0x011e, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,        /* 0xD0 -      */
    0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x0130, 0x015e, 0x00df,        /*      - 0xDF */
    0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,        /* 0xE0 -      */
    0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,        /*      - 0xEF */
    0x011f, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,        /* 0xF0 -      */
    0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x0131, 0x015f, 0x00ff         /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-10 */
const gunichar2 charset_table_iso_8859_10[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x0104, 0x0112, 0x0122, 0x012a, 0x0128, 0x0136, 0x00a7,        /* 0xA0 -      */
    0x013b, 0x0110, 0x0160, 0x0166, 0x017d, 0x00ad, 0x016a, 0x014a,        /*      - 0xAF */
    0x00b0, 0x0105, 0x0113, 0x0123, 0x012b, 0x0129, 0x0137, 0x00b7,        /* 0xB0 -      */
    0x013c, 0x0111, 0x0161, 0x0167, 0x017e, 0x2015, 0x016b, 0x014b,        /*      - 0xBF */
    0x0100, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x012e,        /* 0xC0 -      */
    0x010c, 0x00c9, 0x0118, 0x00cb, 0x0116, 0x00cd, 0x00ce, 0x00cf,        /*      - 0xCF */
    0x00d0, 0x0145, 0x014c, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x0168,        /* 0xD0 -      */
    0x00d8, 0x0172, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,        /*      - 0xDF */
    0x0101, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x012f,        /* 0xE0 -      */
    0x010d, 0x00e9, 0x0119, 0x00eb, 0x0117, 0x00ed, 0x00ee, 0x00ef,        /*      - 0xEF */
    0x00f0, 0x0146, 0x014d, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x0169,        /* 0xF0 -      */
    0x00f8, 0x0173, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x0138,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-11 */
const gunichar2 charset_table_iso_8859_11[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x0e01, 0x0e02, 0x0e03, 0x0e04, 0x0e05, 0x0e06, 0x0e07,        /* 0xA0 -      */
    0x0e08, 0x0e09, 0x0e0a, 0x0e0b, 0x0e0c, 0x0e0d, 0x0e0e, 0x0e0f,        /*      - 0xAF */
    0x0e10, 0x0e11, 0x0e12, 0x0e13, 0x0e14, 0x0e15, 0x0e16, 0x0e17,        /* 0xB0 -      */
    0x0e18, 0x0e19, 0x0e1a, 0x0e1b, 0x0e1c, 0x0e1d, 0x0e1e, 0x0e1f,        /*      - 0xBF */
    0x0e20, 0x0e21, 0x0e22, 0x0e23, 0x0e24, 0x0e25, 0x0e26, 0x0e27,        /* 0xC0 -      */
    0x0e28, 0x0e29, 0x0e2a, 0x0e2b, 0x0e2c, 0x0e2d, 0x0e2e, 0x0e2f,        /*      - 0xCF */
    0x0e30, 0x0e31, 0x0e32, 0x0e33, 0x0e34, 0x0e35, 0x0e36, 0x0e37,        /* 0xD0 -      */
    0x0e38, 0x0e39, 0x0e3a, UNREPL, UNREPL, UNREPL, UNREPL, 0x0e3f,        /*      - 0xDF */
    0x0e40, 0x0e41, 0x0e42, 0x0e43, 0x0e44, 0x0e45, 0x0e46, 0x0e47,        /* 0xE0 -      */
    0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c, 0x0e4d, 0x0e4e, 0x0e4f,        /*      - 0xEF */
    0x0e50, 0x0e51, 0x0e52, 0x0e53, 0x0e54, 0x0e55, 0x0e56, 0x0e57,        /* 0xF0 -      */
    0x0e58, 0x0e59, 0x0e5a, 0x0e5b, UNREPL, UNREPL, UNREPL, UNREPL,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-13 */
const gunichar2 charset_table_iso_8859_13[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x201d, 0x00a2, 0x00a3, 0x00a4, 0x201e, 0x00a6, 0x00a7,        /* 0xA0 -      */
    0x00d8, 0x00a9, 0x0156, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00c6,        /*      - 0xAF */
    0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x201c, 0x00b5, 0x00b6, 0x00b7,        /* 0xB0 -      */
    0x00f8, 0x00b9, 0x0157, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00e6,        /*      - 0xBF */
    0x0104, 0x012e, 0x0100, 0x0106, 0x00c4, 0x00c5, 0x0118, 0x0112,        /* 0xC0 -      */
    0x010c, 0x00c9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012a, 0x013b,        /*      - 0xCF */
    0x0160, 0x0143, 0x0145, 0x00d3, 0x014c, 0x00d5, 0x00d6, 0x00d7,        /* 0xD0 -      */
    0x0172, 0x0141, 0x015a, 0x016a, 0x00dc, 0x017b, 0x017d, 0x00df,        /*      - 0xDF */
    0x0105, 0x012f, 0x0101, 0x0107, 0x00e4, 0x00e5, 0x0119, 0x0113,        /* 0xE0 -      */
    0x010d, 0x00e9, 0x017a, 0x0117, 0x0123, 0x0137, 0x012b, 0x013c,        /*      - 0xEF */
    0x0161, 0x0144, 0x0146, 0x00f3, 0x014d, 0x00f5, 0x00f6, 0x00f7,        /* 0xF0 -      */
    0x0173, 0x0142, 0x015b, 0x016b, 0x00fc, 0x017c, 0x017e, 0x2019,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-14 */
const gunichar2 charset_table_iso_8859_14[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x1e02, 0x1e03, 0x00a3, 0x010a, 0x010b, 0x1e0a, 0x00a7,        /* 0xA0 -      */
    0x1e80, 0x00a9, 0x1e82, 0x1e0b, 0x1ef2, 0x00ad, 0x00ae, 0x0178,        /*      - 0xAF */
    0x1e1e, 0x1e1f, 0x0120, 0x0121, 0x1e40, 0x1e41, 0x00b6, 0x1e56,        /* 0xB0 -      */
    0x1e81, 0x1e57, 0x1e83, 0x1e60, 0x1ef3, 0x1e84, 0x1e85, 0x1e61,        /*      - 0xBF */
    0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,        /* 0xC0 -      */
    0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,        /*      - 0xCF */
    0x0174, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x1e6a,        /* 0xD0 -      */
    0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x0176, 0x00df,        /*      - 0xDF */
    0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,        /* 0xE0 -      */
    0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,        /*      - 0xEF */
    0x0175, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x1e6b,        /* 0xF0 -      */
    0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x0177, 0x00ff,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-15 */
const gunichar2 charset_table_iso_8859_15[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x20ac, 0x00a5, 0x0160, 0x00a7,        /* 0xA0 -      */
    0x0161, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,        /*      - 0xAF */
    0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x017d, 0x00b5, 0x00b6, 0x00b7,        /* 0xB0 -      */
    0x017e, 0x00b9, 0x00ba, 0x00bb, 0x0152, 0x0153, 0x0178, 0x00bf,        /*      - 0xBF */
    0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,        /* 0xC0 -      */
    0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,        /*      - 0xCF */
    0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,        /* 0xD0 -      */
    0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,        /*      - 0xDF */
    0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,        /* 0xE0 -      */
    0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,        /*      - 0xEF */
    0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,        /* 0xF0 -      */
    0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff,        /*      - 0xFF */
};

/* generated by ../tools/make_charset_ISO-8859-16 */
const gunichar2 charset_table_iso_8859_16[0x80] = {
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,        /* 0x80 -      */
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,        /*      - 0x8F */
    0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,        /* 0x90 -      */
    0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,        /*      - 0x9F */
    0x00a0, 0x0104, 0x0105, 0x0141, 0x20ac, 0x201e, 0x0160, 0x00a7,        /* 0xA0 -      */
    0x0161, 0x00a9, 0x0218, 0x00ab, 0x0179, 0x00ad, 0x017a, 0x017b,        /*      - 0xAF */
    0x00b0, 0x00b1, 0x010c, 0x0142, 0x017d, 0x201d, 0x00b6, 0x00b7,        /* 0xB0 -      */
    0x017e, 0x010d, 0x0219, 0x00bb, 0x0152, 0x0153, 0x0178, 0x017c,        /*      - 0xBF */
    0x00c0, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0106, 0x00c6, 0x00c7,        /* 0xC0 -      */
    0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,        /*      - 0xCF */
    0x0110, 0x0143, 0x00d2, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x015a,        /* 0xD0 -      */
    0x0170, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x0118, 0x021a, 0x00df,        /*      - 0xDF */
    0x00e0, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x0107, 0x00e6, 0x00e7,        /* 0xE0 -      */
    0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,        /*      - 0xEF */
    0x0111, 0x0144, 0x00f2, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x015b,        /* 0xF0 -      */
    0x0171, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x0119, 0x021b, 0x00ff,        /*      - 0xFF */
};

/* Windows-1250 (http://en.wikipedia.org/wiki/Windows-1250) */
const gunichar2 charset_table_cp1250[0x80] = {
    0x20ac, UNREPL, 0x201a, UNREPL, 0x201e, 0x2026, 0x2020, 0x2021,        /* 0x80 -      */
    UNREPL, 0x2030, 0x0160, 0x2039, 0x015a, 0x0164, 0x017d, 0x0179,        /*      - 0x8F */
    UNREPL, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,        /* 0x90 -      */
    UNREPL, 0x2122, 0x0161, 0x203a, 0x015b, 0x0165, 0x017e, 0x017a,        /*      - 0x9F */
    0x00a0, 0x02c7, 0x02d8, 0x0141, 0x00a4, 0x0104, 0x00a6, 0x00a7,        /* 0xA0 -      */
    0x00a8, 0x00a9, 0x015e, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x017b,        /*      - 0xAF */
    0x00b0, 0x00b1, 0x02db, 0x0142, 0x00b4, 0x00b5, 0x00b6, 0x00b7,        /* 0xB0 -      */
    0x00b8, 0x0105, 0x015f, 0x00bb, 0x013d, 0x02dd, 0x013e, 0x017c,        /*      - 0xBF */
    0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7,        /* 0xC0 -      */
    0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e,        /*      - 0xCF */
    0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7,        /* 0xD0 -      */
    0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df,        /*      - 0xDF */
    0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7,        /* 0xE0 -      */
    0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f,        /*      - 0xEF */
    0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7,        /* 0xF0 -      */
    0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9,        /*      - 0xFF */
};

/* generated by ./make_charset_table MACROMAN */
/* That's "MacRoman", not "Macro Man" (faster than a speeding recursive expansion!) */
const gunichar2 charset_table_mac_roman[0x80] = {
    0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,        /* 0x80 -      */
    0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,        /*      - 0x8F */
    0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3,        /* 0x90 -      */
    0x00f2, 0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc,        /*      - 0x9F */
    0x2020, 0x00b0, 0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df,        /* 0xA0 -      */
    0x00ae, 0x00a9, 0x2122, 0x00b4, 0x00a8, 0x2260, 0x00c6, 0x00d8,        /*      - 0xAF */
    0x221e, 0x00b1, 0x2264, 0x2265, 0x00a5, 0x00b5, 0x2202, 0x2211,        /* 0xB0 -      */
    0x220f, 0x03c0, 0x222b, 0x00aa, 0x00ba, 0x03a9, 0x00e6, 0x00f8,        /*      - 0xBF */
    0x00bf, 0x00a1, 0x00ac, 0x221a, 0x0192, 0x2248, 0x2206, 0x00ab,        /* 0xC0 -      */
    0x00bb, 0x2026, 0x00a0, 0x00c0, 0x00c3, 0x00d5, 0x0152, 0x0153,        /*      - 0xCF */
    0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x25ca,        /* 0xD0 -      */
    0x00ff, 0x0178, 0x2044, 0x20ac, 0x2039, 0x203a, 0xfb01, 0xfb02,        /*      - 0xDF */
    0x2021, 0x00b7, 0x201a, 0x201e, 0x2030, 0x00c2, 0x00ca, 0x00c1,        /* 0xE0 -      */
    0x00cb, 0x00c8, 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4,        /*      - 0xEF */
    0xf8ff, 0x00d2, 0x00da, 0x00db, 0x00d9, 0x0131, 0x02c6, 0x02dc,        /* 0xF0 -      */
    0x00af, 0x02d8, 0x02d9, 0x02da, 0x00b8, 0x02dd, 0x02db, 0x02c7,        /*      - 0xFF */
};

/* generated by ./make_charset_table CP437 */
const gunichar2 charset_table_cp437[0x80] = {
    0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,        /* 0x80 -      */
    0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,        /*      - 0x8F */
    0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,        /* 0x90 -      */
    0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192,        /*      - 0x9F */
    0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00ba,        /* 0xA0 -      */
    0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb,        /*      - 0xAF */
    0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,        /* 0xB0 -      */
    0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510,        /*      - 0xBF */
    0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f,        /* 0xC0 -      */
    0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567,        /*      - 0xCF */
    0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256b,        /* 0xD0 -      */
    0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258c, 0x2590, 0x2580,        /*      - 0xDF */
    0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4,        /* 0xE0 -      */
    0x03a6, 0x0398, 0x03a9, 0x03b4, 0x221e, 0x03c6, 0x03b5, 0x2229,        /*      - 0xEF */
    0x2261, 0x00b1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00f7, 0x2248,        /* 0xF0 -      */
    0x00b0, 0x2219, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x25a0, 0x00a0,        /*      - 0xFF */
};

/*
 * Given a wmem scope, a pointer, a length, and a translation table,
 * treat the string of bytes referred to by the pointer and length as a
 * string encoded using one octet per character, with octets with the
 * high-order bit clear being ASCII and octets with the high-order bit
 * set being mapped by the translation table to 2-byte Unicode Basic
 * Multilingual Plane characters (including REPLACEMENT CHARACTER), and
 * return a pointer to a UTF-8 string, allocated using the wmem scope.
 */
guint8 *
get_unichar2_string(wmem_allocator_t *scope, const guint8 *ptr, gint length, const gunichar2 table[0x80])
{
    wmem_strbuf_t *str;

    str = wmem_strbuf_sized_new(scope, length+1, 0);

    while (length > 0) {
        guint8 ch = *ptr;

        if (ch < 0x80)
            wmem_strbuf_append_c(str, ch);
        else
            wmem_strbuf_append_unichar(str, table[ch-0x80]);
        ptr++;
        length--;
    }

    return (guint8 *) wmem_strbuf_finalize(str);
}

/*
 * Given a wmem scope, a pointer, and a length, treat the string of bytes
 * referred to by the pointer and length as a UCS-2 encoded string
 * containing characters from the Basic Multilingual Plane (plane 0) of
 * Unicode, and return a pointer to a UTF-8 string, allocated with the
 * wmem scope.
 *
 * Encoding parameter should be ENC_BIG_ENDIAN or ENC_LITTLE_ENDIAN.
 *
 * Specify length in bytes.
 *
 * XXX - should map lead and trail surrogate values to REPLACEMENT
 * CHARACTERs (0xFFFD)?
 * XXX - if there are an odd number of bytes, should put a
 * REPLACEMENT CHARACTER at the end.
 */
guint8 *
get_ucs_2_string(wmem_allocator_t *scope, const guint8 *ptr, gint length, const guint encoding)
{
    gunichar2      uchar;
    gint           i;       /* Byte counter for string */
    wmem_strbuf_t *strbuf;

    strbuf = wmem_strbuf_sized_new(scope, length+1, 0);

    for(i = 0; i + 1 < length; i += 2) {
        if (encoding == ENC_BIG_ENDIAN){
            uchar = pntoh16(ptr + i);
        }else{
            uchar = pletoh16(ptr + i);
        }
        wmem_strbuf_append_unichar(strbuf, uchar);
    }

    /*
     * XXX - if i < length, this means we were handed an odd
     * number of bytes, so we're not a valid UCS-2 string.
     */
    return (guint8 *) wmem_strbuf_finalize(strbuf);
}

/*
 * Given a wmem scope, a pointer, and a length, treat the string of bytes
 * referred to by the pointer and length as a UTF-16 encoded string, and
 * return a pointer to a UTF-8 string, allocated with the wmem scope.
 *
 * See RFC 2781 section 2.2.
 *
 * Encoding parameter should be ENC_BIG_ENDIAN or ENC_LITTLE_ENDIAN.
 *
 * Specify length in bytes.
 *
 * XXX - should map surrogate errors to REPLACEMENT CHARACTERs (0xFFFD).
 * XXX - should map code points > 10FFFF to REPLACEMENT CHARACTERs.
 * XXX - if there are an odd number of bytes, should put a
 * REPLACEMENT CHARACTER at the end.
 */
guint8 *
get_utf_16_string(wmem_allocator_t *scope, const guint8 *ptr, gint length, const guint encoding)
{
    wmem_strbuf_t *strbuf;
    gunichar2      uchar2, lead_surrogate;
    gunichar       uchar;
    gint           i;       /* Byte counter for string */

    strbuf = wmem_strbuf_sized_new(scope, length+1, 0);

    for(i = 0; i + 1 < length; i += 2) {
        if (encoding == ENC_BIG_ENDIAN)
            uchar2 = pntoh16(ptr + i);
        else
            uchar2 = pletoh16(ptr + i);

        if (IS_LEAD_SURROGATE(uchar2)) {
            /*
             * Lead surrogate.  Must be followed by
             * a trail surrogate.
             */
            i += 2;
            if (i + 1 >= length) {
                /*
                 * Oops, string ends with a lead surrogate.
                 * Ignore this for now.
                 * XXX - insert "substitute" character?
                 * Report the error in some other
                 * fashion?
                 */
                break;
            }
            lead_surrogate = uchar2;
            if (encoding == ENC_BIG_ENDIAN)
                uchar2 = pntoh16(ptr + i);
            else
                uchar2 = pletoh16(ptr + i);
            if (IS_TRAIL_SURROGATE(uchar2)) {
                /* Trail surrogate. */
                uchar = SURROGATE_VALUE(lead_surrogate, uchar2);
                wmem_strbuf_append_unichar(strbuf, uchar);
            } else {
                /*
                 * Not a trail surrogate.
                 * Ignore the entire pair.
                 * XXX - insert "substitute" character?
                 * Report the error in some other
                 * fashion?
                 */
                 ;
            }
        } else {
            if (IS_TRAIL_SURROGATE(uchar2)) {
                /*
                 * Trail surrogate without a preceding
                 * lead surrogate.  Ignore it.
                 * XXX - insert "substitute" character?
                 * Report the error in some other
                 * fashion?
                 */
                ;
            } else {
                /*
                 * Non-surrogate; just append it.
                 */
                wmem_strbuf_append_unichar(strbuf, uchar2);
            }
        }
    }

    /*
     * XXX - if i < length, this means we were handed an odd
     * number of bytes, so we're not a valid UTF-16 string.
     */
    return (guint8 *) wmem_strbuf_finalize(strbuf);
}

/*
 * Given a wmem scope, a pointer, and a length, treat the string of bytes
 * referred to by the pointer and length as a UCS-4 encoded string, and
 * return a pointer to a UTF-8 string, allocated with the wmem scope.
 *
 * Encoding parameter should be ENC_BIG_ENDIAN or ENC_LITTLE_ENDIAN
 *
 * Specify length in bytes
 *
 * XXX - should map lead and trail surrogate values to a "substitute"
 * UTF-8 character?
 * XXX - should map code points > 10FFFF to REPLACEMENT CHARACTERs.
 * XXX - if the number of bytes isn't a multiple of 4, should put a
 * REPLACEMENT CHARACTER at the end.
 */
guint8 *
get_ucs_4_string(wmem_allocator_t *scope, const guint8 *ptr, gint length, const guint encoding)
{
    gunichar       uchar;
    gint           i;       /* Byte counter for string */
    wmem_strbuf_t *strbuf;

    strbuf = wmem_strbuf_sized_new(scope, length+1, 0);

    for(i = 0; i + 3 < length; i += 4) {
        if (encoding == ENC_BIG_ENDIAN)
            uchar = pntoh32(ptr + i);
        else
            uchar = pletoh32(ptr + i);

        wmem_strbuf_append_unichar(strbuf, uchar);
    }

    /*
     * XXX - if i < length, this means we were handed a number
     * of bytes that's not a multiple of 4, so we're not a valid
     * UCS-4 string.
     */
    return (gchar *)wmem_strbuf_finalize(strbuf);
}

/*
 * FROM GNOKII
 * gsm-encoding.c
 * gsm-sms.c
 */

/* ETSI GSM 03.38, version 6.0.1, section 6.2.1; Default alphabet */
static const gunichar2 gsm_default_alphabet[0x80] = {
    '@',   0xa3,  '$',   0xa5,  0xe8,  0xe9,  0xf9,  0xec,
    0xf2,  0xc7,  '\n',  0xd8,  0xf8,  '\r',  0xc5,  0xe5,
    0x394, '_',   0x3a6, 0x393, 0x39b, 0x3a9, 0x3a0, 0x3a8,
    0x3a3, 0x398, 0x39e, 0xa0,  0xc6,  0xe6,  0xdf,  0xc9,
    ' ',   '!',   '\"',  '#',   0xa4,  '%',   '&',   '\'',
    '(',   ')',   '*',   '+',   ',',   '-',   '.',   '/',
    '0',   '1',   '2',   '3',   '4',   '5',   '6',   '7',
    '8',   '9',   ':',   ';',   '<',   '=',   '>',   '?',
    0xa1,  'A',   'B',   'C',   'D',   'E',   'F',   'G',
    'H',   'I',   'J',   'K',   'L',   'M',   'N',   'O',
    'P',   'Q',   'R',   'S',   'T',   'U',   'V',   'W',
    'X',   'Y',   'Z',   0xc4,  0xd6,  0xd1,  0xdc,  0xa7,
    0xbf,  'a',   'b',   'c',   'd',   'e',   'f',   'g',
    'h',   'i',   'j',   'k',   'l',   'm',   'n',   'o',
    'p',   'q',   'r',   's',   't',   'u',   'v',   'w',
    'x',   'y',   'z',   0xe4,  0xf6,  0xf1,  0xfc,  0xe0
};

static gunichar
GSM_to_UNICHAR(guint8 c)
{
    if (c < G_N_ELEMENTS(gsm_default_alphabet))
        return gsm_default_alphabet[c];

    return UNREPL;
}

static gunichar
GSMext_to_UNICHAR(guint8 c)
{
    switch (c)
    {
        case 0x0a: return 0x0c; /* form feed */
        case 0x14: return '^';
        case 0x28: return '{';
        case 0x29: return '}';
        case 0x2f: return '\\';
        case 0x3c: return '[';
        case 0x3d: return '~';
        case 0x3e: return ']';
        case 0x40: return '|';
        case 0x65: return 0x20ac; /* euro */
    }

    return UNREPL; /* invalid character */
}

#define GN_BYTE_MASK ((1 << bits) - 1)

#define GN_CHAR_ESCAPE 0x1b

static gboolean
char_is_escape(unsigned char value)
{
    return (value == GN_CHAR_ESCAPE);
}

static gboolean
handle_ts_23_038_char(wmem_strbuf_t *strbuf, guint8 code_point,
                      gboolean saw_escape)
{
    gunichar       uchar;

    if (char_is_escape(code_point)) {
        /*
         * XXX - if saw_escape is TRUE here, then this is
         * the case where we escape to "another extension table",
         * but TS 128 038 V11.0 doesn't specify such an extension
         * table.
         */
        saw_escape = TRUE;
    } else {
        /*
         * Have we seen an escape?
         */
        if (saw_escape) {
            saw_escape = FALSE;
            uchar = GSMext_to_UNICHAR(code_point);
        } else {
            uchar = GSM_to_UNICHAR(code_point);
        }
        wmem_strbuf_append_unichar(strbuf, uchar);
    }
    return saw_escape;
}

guint8 *
get_ts_23_038_7bits_string(wmem_allocator_t *scope, const guint8 *ptr,
                           const gint bit_offset, gint no_of_chars)
{
    wmem_strbuf_t *strbuf;
    gint           char_count;                  /* character counter for string */
    guint8         in_byte, out_byte, rest = 0x00;
    const guint8  *start_ptr = ptr;
    gboolean       saw_escape = FALSE;
    int            bits;

    strbuf = wmem_strbuf_sized_new(scope, no_of_chars+1, 0);

    bits = bit_offset & 0x07;
    if (!bits) {
        bits = 7;
    }

    for(char_count = 0; char_count < no_of_chars; ptr++) {
        /* Get the next byte from the string. */
        in_byte = *ptr;

        /*
         * Combine the bits we've accumulated with bits from
         * that byte to make a 7-bit code point.
         */
        out_byte = ((in_byte & GN_BYTE_MASK) << (7 - bits)) | rest;

        /*
         * Leftover bits used in that code point.
         */
        rest = in_byte >> bits;

        /*
         * If we don't start from 0th bit, we shouldn't go to the
         * next char. Under *out_num we have now 0 and under Rest -
         * _first_ part of the char.
         */
        if ((start_ptr != ptr) || (bits == 7)) {
            saw_escape = handle_ts_23_038_char(strbuf, out_byte,
                saw_escape);
            char_count++;
        }

        /*
         * After reading 7 octets we have read 7 full characters
         * but we have 7 bits as well. This is the next character.
         */
        if ((bits == 1) && (char_count < no_of_chars)) {
            saw_escape = handle_ts_23_038_char(strbuf, rest,
                saw_escape);
            char_count++;
            bits = 7;
            rest = 0x00;
        } else {
            bits--;
        }
    }

    if (saw_escape) {
        /*
         * Escape not followed by anything.
         *
         * XXX - for now, show the escape as a REPLACEMENT
         * CHARACTER.
         */
        wmem_strbuf_append_unichar(strbuf, UNREPL);
    }

    return (guint8 *)wmem_strbuf_finalize(strbuf);
}

guint8 *
get_ascii_7bits_string(wmem_allocator_t *scope, const guint8 *ptr,
                       const gint bit_offset, gint no_of_chars)
{
    wmem_strbuf_t *strbuf;
    gint           char_count;                  /* character counter for string */
    guint8         in_byte, out_byte, rest = 0x00;
    const guint8  *start_ptr = ptr;
    int            bits;

    bits = bit_offset & 0x07;
    if (!bits) {
        bits = 7;
    }

    strbuf = wmem_strbuf_sized_new(scope, no_of_chars+1, 0);
    for(char_count = 0; char_count < no_of_chars; ptr++) {
        /* Get the next byte from the string. */
        in_byte = *ptr;

        /*
         * Combine the bits we've accumulated with bits from
         * that byte to make a 7-bit code point.
         */
        out_byte = (in_byte >> (8 - bits)) | rest;

        /*
         * Leftover bits used in that code point.
         */
        rest = (in_byte << (bits - 1)) & 0x7f;

        /*
         * If we don't start from 0th bit, we shouldn't go to the
         * next char. Under *out_num we have now 0 and under Rest -
         * _first_ part of the char.
         */
        if ((start_ptr != ptr) || (bits == 7)) {
            wmem_strbuf_append_c(strbuf, out_byte);
            char_count++;
        }

        /*
         * After reading 7 octets we have read 7 full characters
         * but we have 7 bits as well. This is the next character.
         */
        if ((bits == 1) && (char_count < no_of_chars)) {
            wmem_strbuf_append_c(strbuf, rest);
            char_count++;
            bits = 7;
            rest = 0x00;
        } else {
            bits--;
        }
    }

    return (guint8 *)wmem_strbuf_finalize(strbuf);
}

/* ASCII/EBCDIC conversion tables from
 * http://www.room42.com/store/computer_center/code_tables.shtml
 */
#if 0
static const guint8 ASCII_translate_EBCDIC [ 256 ] = {
    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
    0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
    0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
    0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, 0x4D,
    0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
    0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8,
    0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
    0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8,
    0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
    0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
    0xE8, 0xE9, 0xAD, 0xE0, 0xBD, 0x5F, 0x6D,
    0x7D, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88,
    0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
    0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
    0xA8, 0xA9, 0xC0, 0x6A, 0xD0, 0xA1, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
    0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B
};

void
ASCII_to_EBCDIC(guint8 *buf, guint bytes)
{
    guint    i;
    guint8    *bufptr;

    bufptr = buf;

    for (i = 0; i < bytes; i++, bufptr++) {
        *bufptr = ASCII_translate_EBCDIC[*bufptr];
    }
}

guint8
ASCII_to_EBCDIC1(guint8 c)
{
    return ASCII_translate_EBCDIC[c];
}
#endif

static const guint8 EBCDIC_translate_ASCII [ 256 ] = {
    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
    0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
    0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
    0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
    0x2E, 0x2E, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
    0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x2E, 0x3F,
    0x20, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x2E, 0x2E, 0x2E, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
    0x26, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x2E, 0x2E, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
    0x2D, 0x2F, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x2E, 0x2E, 0x7C, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
    0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x2E, 0x2E, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
    0x2E, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
    0x68, 0x69, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x2E, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
    0x71, 0x72, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x2E, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
    0x79, 0x7A, 0x2E, 0x2E, 0x2E, 0x5B, 0x2E, 0x2E,
    0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x5D, 0x2E, 0x2E,
    0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
    0x48, 0x49, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
    0x51, 0x52, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x5C, 0x2E, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
    0x59, 0x5A, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
    0x38, 0x39, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E
};

void
EBCDIC_to_ASCII(guint8 *buf, guint bytes)
{
    guint   i;
    guint8 *bufptr;

    bufptr = buf;

    for (i = 0; i < bytes; i++, bufptr++) {
        *bufptr = EBCDIC_translate_ASCII[*bufptr];
    }
}

guint8
EBCDIC_to_ASCII1(guint8 c)
{
    return EBCDIC_translate_ASCII[c];
}

/* Tables for EBCDIC code pages */

/* EBCDIC common; based on the table in appendix H of ESA/370 Principles
   of Operation, but with some code points that don't correspond to
   the same characters in code pages 037 and 1158 mapped to REPLACEMENT
   CHARACTER - there may be more code points of that sort */
const gunichar2 charset_table_ebcdic[256] = {
    0x0000, 0x0001, 0x0002, 0x0003, 0x009c, 0x0009, 0x0086, 0x007f,
    0x0097, 0x008d, 0x008e, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
    0x0010, 0x0011, 0x0012, 0x0013, 0x009d, 0x0085, 0x0008, 0x0087,
    0x0018, 0x0019, 0x0092, 0x008f, 0x001c, 0x001d, 0x001e, 0x001f,
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x000a, 0x0017, 0x001b,
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x0005, 0x0006, 0x0007,
    UNREPL, UNREPL, 0x0016, 0x0093, 0x0094, 0x0095, 0x0096, 0x0004,
    0x0098, 0x0099, 0x009a, 0x009b, 0x0014, 0x0015, UNREPL, 0x001a,
    0x0020, 0x00a0, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, UNREPL, UNREPL, 0x002e, 0x003c, 0x0028, 0x002b, UNREPL,
    0x0026, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, UNREPL, UNREPL, 0x0024, 0x002a, 0x0029, 0x003b, UNREPL,
    0x002d, 0x002f, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, UNREPL, UNREPL, 0x002c, 0x0025, 0x005f, 0x003e, 0x003f,
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, 0x0060, 0x003a, 0x0023, 0x0040, 0x0027, 0x003d, 0x0022,
    UNREPL, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
    0x0068, 0x0069, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f, 0x0070,
    0x0071, 0x0072, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, 0x007e, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, 0x0078,
    0x0079, 0x007a, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    0x007b, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
    0x0048, 0x0049, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    0x007d, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
    0x0051, 0x0052, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    0x005c, UNREPL, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
    0x0059, 0x005a, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
    0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
    0x0038, 0x0039, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL, UNREPL,
};

/* EBCDIC code page 037 */
const gunichar2 charset_table_ebcdic_cp037[256] = {
    0x0000, 0x0001, 0x0002, 0x0003, 0x009c, 0x0009, 0x0086, 0x007f,
    0x0097, 0x008d, 0x008e, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
    0x0010, 0x0011, 0x0012, 0x0013, 0x009d, 0x0085, 0x0008, 0x0087,
    0x0018, 0x0019, 0x0092, 0x008f, 0x001c, 0x001d, 0x001e, 0x001f,
    0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x000a, 0x0017, 0x001b,
    0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x0005, 0x0006, 0x0007,
    0x0090, 0x0091, 0x0016, 0x0093, 0x0094, 0x0095, 0x0096, 0x0004,
    0x0098, 0x0099, 0x009a, 0x009b, 0x0014, 0x0015, 0x009e, 0x001a,
    0x0020, 0x00a0, 0x00e2, 0x00e4, 0x00e0, 0x00e1, 0x00e3, 0x00e5,
    0x00e7, 0x00f1, 0x00a2, 0x002e, 0x003c, 0x0028, 0x002b, 0x007c,
    0x0026, 0x00e9, 0x00ea, 0x00eb, 0x00e8, 0x00ed, 0x00ee, 0x00ef,
    0x00ec, 0x00df, 0x0021, 0x0024, 0x002a, 0x0029, 0x003b, 0x00ac,
    0x002d, 0x002f, 0x00c2, 0x00c4, 0x00c0, 0x00c1, 0x00c3, 0x00c5,
    0x00c7, 0x00d1, 0x00a6, 0x002c, 0x0025, 0x005f, 0x003e, 0x003f,
    0x00f8, 0x00c9, 0x00ca, 0x00cb, 0x00c8, 0x00cd, 0x00ce, 0x00cf,
    0x00cc, 0x0060, 0x003a, 0x0023, 0x0040, 0x0027, 0x003d, 0x0022,
    0x00d8, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
    0x0068, 0x0069, 0x00ab, 0x00bb, 0x00f0, 0x00fd, 0x00fe, 0x00b1,
    0x00b0, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f, 0x0070,
    0x0071, 0x0072, 0x00aa, 0x00ba, 0x00e6, 0x00b8, 0x00c6, 0x00a4,
    0x00b5, 0x007e, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, 0x0078,
    0x0079, 0x007a, 0x00a1, 0x00bf, 0x00d0, 0x00dd, 0x00de, 0x00ae,
    0x005e, 0x00a3, 0x00a5, 0x00b7, 0x00a9, 0x00a7, 0x00b6, 0x00bc,
    0x00bd, 0x00be, 0x005b, 0x005d, 0x00af, 0x00a8, 0x00b4, 0x00d7,
    0x007b, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
    0x0048, 0x0049, 0x00ad, 0x00f4, 0x00f6, 0x00f2, 0x00f3, 0x00f5,
    0x007d, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
    0x0051, 0x0052, 0x00b9, 0x00fb, 0x00fc, 0x00f9, 0x00fa, 0x00ff,
    0x005c, 0x00f7, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058,
    0x0059, 0x005a, 0x00b2, 0x00d4, 0x00d6, 0x00d2, 0x00d3, 0x00d5,
    0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
    0x0038, 0x0039, 0x00b3, 0x00db, 0x00dc, 0x00d9, 0x00da, 0x009f,
};

/*
 * Given a wmem scope, a pointer, a length, and a translation table,
 * treat the string of bytes referred to by the pointer and length as a
 * string encoded using one octet per character, with octets being
 * mapped by the translation table to 2-byte Unicode Basic Multilingual
 * Plane characters (including REPLACEMENT CHARACTER), and return a
 * pointer to a UTF-8 string, allocated using the wmem scope.
 */
guint8 *
get_nonascii_unichar2_string(wmem_allocator_t *scope, const guint8 *ptr, gint length, const gunichar2 table[256])
{
    wmem_strbuf_t *str;

    str = wmem_strbuf_sized_new(scope, length+1, 0);

    while (length > 0) {
        guint8 ch = *ptr;

        wmem_strbuf_append_unichar(str, table[ch]);
        ptr++;
        length--;
    }

    return (guint8 *) wmem_strbuf_finalize(str);
}

/* T.61 to UTF-8 conversion table from OpenLDAP project
 * http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=blob;f=libraries/libldap/t61.c;hb=HEAD
 */
static const gunichar2 t61_tab[] = {
    0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007,
    0x008, 0x009, 0x00a, 0x00b, 0x00c, 0x00d, 0x00e, 0x00f,
    0x010, 0x011, 0x012, 0x013, 0x014, 0x015, 0x016, 0x017,
    0x018, 0x019, 0x01a, 0x01b, 0x01c, 0x01d, 0x01e, 0x01f,
    0x020, 0x021, 0x022, 0x000, 0x000, 0x025, 0x026, 0x027,
    0x028, 0x029, 0x02a, 0x02b, 0x02c, 0x02d, 0x02e, 0x02f,
    0x030, 0x031, 0x032, 0x033, 0x034, 0x035, 0x036, 0x037,
    0x038, 0x039, 0x03a, 0x03b, 0x03c, 0x03d, 0x03e, 0x03f,
    0x040, 0x041, 0x042, 0x043, 0x044, 0x045, 0x046, 0x047,
    0x048, 0x049, 0x04a, 0x04b, 0x04c, 0x04d, 0x04e, 0x04f,
    0x050, 0x051, 0x052, 0x053, 0x054, 0x055, 0x056, 0x057,
    0x058, 0x059, 0x05a, 0x05b, 0x000, 0x05d, 0x000, 0x05f,
    0x000, 0x061, 0x062, 0x063, 0x064, 0x065, 0x066, 0x067,
    0x068, 0x069, 0x06a, 0x06b, 0x06c, 0x06d, 0x06e, 0x06f,
    0x070, 0x071, 0x072, 0x073, 0x074, 0x075, 0x076, 0x077,
    0x078, 0x079, 0x07a, 0x000, 0x07c, 0x000, 0x000, 0x07f,
    0x080, 0x081, 0x082, 0x083, 0x084, 0x085, 0x086, 0x087,
    0x088, 0x089, 0x08a, 0x08b, 0x08c, 0x08d, 0x08e, 0x08f,
    0x090, 0x091, 0x092, 0x093, 0x094, 0x095, 0x096, 0x097,
    0x098, 0x099, 0x09a, 0x09b, 0x09c, 0x09d, 0x09e, 0x09f,
    0x0a0, 0x0a1, 0x0a2, 0x0a3, 0x024, 0x0a5, 0x023, 0x0a7,
    0x0a4, 0x000, 0x000, 0x0ab, 0x000, 0x000, 0x000, 0x000,
    0x0b0, 0x0b1, 0x0b2, 0x0b3, 0x0d7, 0x0b5, 0x0b6, 0x0b7,
    0x0f7, 0x000, 0x000, 0x0bb, 0x0bc, 0x0bd, 0x0be, 0x0bf,
    0x000, 0x300, 0x301, 0x302, 0x303, 0x304, 0x306, 0x307,
    0x308, 0x000, 0x30a, 0x327, 0x332, 0x30b, 0x328, 0x30c,
    0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
    0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000, 0x000,
    0x2126, 0xc6, 0x0d0, 0x0aa, 0x126, 0x000, 0x132, 0x13f,
    0x141, 0x0d8, 0x152, 0x0ba, 0x0de, 0x166, 0x14a, 0x149,
    0x138, 0x0e6, 0x111, 0x0f0, 0x127, 0x131, 0x133, 0x140,
    0x142, 0x0f8, 0x153, 0x0df, 0x0fe, 0x167, 0x14b, 0x000
};

typedef gunichar2 wvec16[16];
typedef gunichar2 wvec32[32];

/* Substitutions when 0xc1-0xcf appears by itself or with space 0x20 */
static const wvec16 accents = {
    0x000, 0x060, 0x0b4, 0x05e, 0x07e, 0x0af, 0x2d8, 0x2d9,
    0x0a8, 0x000, 0x2da, 0x0b8, 0x000, 0x2dd, 0x2db, 0x2c7};

/* In the following tables, base characters commented in (parentheses)
 * are not defined by T.61 but are mapped anyway since their Unicode
 * composite exists.
 */

/* Grave accented chars AEIOU (NWY) */
static const wvec32 c1_vec1 = {
    /* Upper case */
    0, 0xc0, 0, 0, 0, 0xc8, 0, 0, 0, 0xcc, 0, 0, 0, 0, 0x1f8, 0xd2,
    0, 0, 0, 0, 0, 0xd9, 0, 0x1e80, 0, 0x1ef2, 0, 0, 0, 0, 0, 0};
static const wvec32 c1_vec2 = {
    /* Lower case */
    0, 0xe0, 0, 0, 0, 0xe8, 0, 0, 0, 0xec, 0, 0, 0, 0, 0x1f9, 0xf2,
    0, 0, 0, 0, 0, 0xf9, 0, 0x1e81, 0, 0x1ef3, 0, 0, 0, 0, 0, 0};

static const wvec32 *c1_grave[] = {
    NULL, NULL, &c1_vec1, &c1_vec2, NULL, NULL, NULL, NULL
};

/* Acute accented chars AEIOUYCLNRSZ (GKMPW) */
static const wvec32 c2_vec1 = {
    /* Upper case */
    0, 0xc1, 0, 0x106, 0, 0xc9, 0, 0x1f4,
    0, 0xcd, 0, 0x1e30, 0x139, 0x1e3e, 0x143, 0xd3,
    0x1e54, 0, 0x154, 0x15a, 0, 0xda, 0, 0x1e82,
    0, 0xdd, 0x179, 0, 0, 0, 0, 0};
static const wvec32 c2_vec2 = {
    /* Lower case */
    0, 0xe1, 0, 0x107, 0, 0xe9, 0, 0x1f5,
    0, 0xed, 0, 0x1e31, 0x13a, 0x1e3f, 0x144, 0xf3,
    0x1e55, 0, 0x155, 0x15b, 0, 0xfa, 0, 0x1e83,
    0, 0xfd, 0x17a, 0, 0, 0, 0, 0};
static const wvec32 c2_vec3 = {
    /* (AE and ae) */
    0, 0x1fc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0x1fd, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

static const wvec32 *c2_acute[] = {
    NULL, NULL, &c2_vec1, &c2_vec2, NULL, NULL, NULL, &c2_vec3
};

/* Circumflex AEIOUYCGHJSW (Z) */
static const wvec32 c3_vec1 = {
    /* Upper case */
    0, 0xc2, 0, 0x108, 0, 0xca, 0, 0x11c,
    0x124, 0xce, 0x134, 0, 0, 0, 0, 0xd4,
    0, 0, 0, 0x15c, 0, 0xdb, 0, 0x174,
    0, 0x176, 0x1e90, 0, 0, 0, 0, 0};
static const wvec32 c3_vec2 = {
    /* Lower case */
    0, 0xe2, 0, 0x109, 0, 0xea, 0, 0x11d,
    0x125, 0xee, 0x135, 0, 0, 0, 0, 0xf4,
    0, 0, 0, 0x15d, 0, 0xfb, 0, 0x175,
    0, 0x177, 0x1e91, 0, 0, 0, 0, 0};
static const wvec32 *c3_circumflex[] = {
    NULL, NULL, &c3_vec1, &c3_vec2, NULL, NULL, NULL, NULL
};

/* Tilde AIOUN (EVY) */
static const wvec32 c4_vec1 = {
    /* Upper case */
    0, 0xc3, 0, 0, 0, 0x1ebc, 0, 0, 0, 0x128, 0, 0, 0, 0, 0xd1, 0xd5,
    0, 0, 0, 0, 0, 0x168, 0x1e7c, 0, 0, 0x1ef8, 0, 0, 0, 0, 0, 0};
static const wvec32 c4_vec2 = {
    /* Lower case */
    0, 0xe3, 0, 0, 0, 0x1ebd, 0, 0, 0, 0x129, 0, 0, 0, 0, 0xf1, 0xf5,
    0, 0, 0, 0, 0, 0x169, 0x1e7d, 0, 0, 0x1ef9, 0, 0, 0, 0, 0, 0};
static const wvec32 *c4_tilde[] = {
    NULL, NULL, &c4_vec1, &c4_vec2, NULL, NULL, NULL, NULL
};

/* Macron AEIOU (YG) */
static const wvec32 c5_vec1 = {
    /* Upper case */
    0, 0x100, 0, 0, 0, 0x112, 0, 0x1e20, 0, 0x12a, 0, 0, 0, 0, 0, 0x14c,
    0, 0, 0, 0, 0, 0x16a, 0, 0, 0, 0x232, 0, 0, 0, 0, 0, 0};
static const wvec32 c5_vec2 = {
    /* Lower case */
    0, 0x101, 0, 0, 0, 0x113, 0, 0x1e21, 0, 0x12b, 0, 0, 0, 0, 0, 0x14d,
    0, 0, 0, 0, 0, 0x16b, 0, 0, 0, 0x233, 0, 0, 0, 0, 0, 0};
static const wvec32 c5_vec3 = {
    /* (AE and ae) */
    0, 0x1e2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0x1e3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 *c5_macron[] = {
    NULL, NULL, &c5_vec1, &c5_vec2, NULL, NULL, NULL, &c5_vec3
};

/* Breve AUG (EIO) */
static const wvec32 c6_vec1 = {
    /* Upper case */
    0, 0x102, 0, 0, 0, 0x114, 0, 0x11e, 0, 0x12c, 0, 0, 0, 0, 0, 0x14e,
    0, 0, 0, 0, 0, 0x16c, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 c6_vec2 = {
    /* Lower case */
    0, 0x103, 0, 0, 0, 0x115, 0, 0x11f, 0, 0x12d, 0, 0, 0, 0, 0, 0x14f,
    0, 0, 0, 0, 0, 0x16d, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 *c6_breve[] = {
    NULL, NULL, &c6_vec1, &c6_vec2, NULL, NULL, NULL, NULL
};

/* Dot Above CEGIZ (AOBDFHMNPRSTWXY) */
static const wvec32 c7_vec1 = {
    /* Upper case */
    0, 0x226, 0x1e02, 0x10a, 0x1e0a, 0x116, 0x1e1e, 0x120,
    0x1e22, 0x130, 0, 0, 0, 0x1e40, 0x1e44, 0x22e,
    0x1e56, 0, 0x1e58, 0x1e60, 0x1e6a, 0, 0, 0x1e86,
    0x1e8a, 0x1e8e, 0x17b, 0, 0, 0, 0, 0};
static const wvec32 c7_vec2 = {
    /* Lower case */
    0, 0x227, 0x1e03, 0x10b, 0x1e0b, 0x117, 0x1e1f, 0x121,
    0x1e23, 0, 0, 0, 0, 0x1e41, 0x1e45, 0x22f,
    0x1e57, 0, 0x1e59, 0x1e61, 0x1e6b, 0, 0, 0x1e87,
    0x1e8b, 0x1e8f, 0x17c, 0, 0, 0, 0, 0};
static const wvec32 *c7_dotabove[] = {
    NULL, NULL, &c7_vec1, &c7_vec2, NULL, NULL, NULL, NULL
};

/* Diaeresis AEIOUY (HWXt) */
static const wvec32 c8_vec1 = {
    /* Upper case */
    0, 0xc4, 0, 0, 0, 0xcb, 0, 0, 0x1e26, 0xcf, 0, 0, 0, 0, 0, 0xd6,
    0, 0, 0, 0, 0, 0xdc, 0, 0x1e84, 0x1e8c, 0x178, 0, 0, 0, 0, 0, 0};
static const wvec32 c8_vec2 = {
    /* Lower case */
    0, 0xe4, 0, 0, 0, 0xeb, 0, 0, 0x1e27, 0xef, 0, 0, 0, 0, 0, 0xf6,
    0, 0, 0, 0, 0x1e97, 0xfc, 0, 0x1e85, 0x1e8d, 0xff, 0, 0, 0, 0, 0, 0};
static const wvec32 *c8_diaeresis[] = {
    NULL, NULL, &c8_vec1, &c8_vec2, NULL, NULL, NULL, NULL
};

/* Ring Above AU (wy) */
static const wvec32 ca_vec1 = {
    /* Upper case */
    0, 0xc5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0x16e, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 ca_vec2 = {
    /* Lower case */
    0, 0xe5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0x16f, 0, 0x1e98, 0, 0x1e99, 0, 0, 0, 0, 0, 0};
static const wvec32 *ca_ringabove[] = {
    NULL, NULL, &ca_vec1, &ca_vec2, NULL, NULL, NULL, NULL
};

/* Cedilla CGKLNRST (EDH) */
static const wvec32 cb_vec1 = {
    /* Upper case */
    0, 0, 0, 0xc7, 0x1e10, 0x228, 0, 0x122,
    0x1e28, 0, 0, 0x136, 0x13b, 0, 0x145, 0,
    0, 0, 0x156, 0x15e, 0x162, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 cb_vec2 = {
    /* Lower case */
    0, 0, 0, 0xe7, 0x1e11, 0x229, 0, 0x123,
    0x1e29, 0, 0, 0x137, 0x13c, 0, 0x146, 0,
    0, 0, 0x157, 0x15f, 0x163, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 *cb_cedilla[] = {
    NULL, NULL, &cb_vec1, &cb_vec2, NULL, NULL, NULL, NULL
};

/* Double Acute Accent OU */
static const wvec32 cd_vec1 = {
    /* Upper case */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x150,
    0, 0, 0, 0, 0, 0x170, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 cd_vec2 = {
    /* Lower case */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x151,
    0, 0, 0, 0, 0, 0x171, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 *cd_doubleacute[] = {
    NULL, NULL, &cd_vec1, &cd_vec2, NULL, NULL, NULL, NULL
};

/* Ogonek AEIU (O) */
static const wvec32 ce_vec1 = {
    /* Upper case */
    0, 0x104, 0, 0, 0, 0x118, 0, 0, 0, 0x12e, 0, 0, 0, 0, 0, 0x1ea,
    0, 0, 0, 0, 0, 0x172, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 ce_vec2 = {
    /* Lower case */
    0, 0x105, 0, 0, 0, 0x119, 0, 0, 0, 0x12f, 0, 0, 0, 0, 0, 0x1eb,
    0, 0, 0, 0, 0, 0x173, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static const wvec32 *ce_ogonek[] = {
    NULL, NULL, &ce_vec1, &ce_vec2, NULL, NULL, NULL, NULL
};

/* Caron CDELNRSTZ (AIOUGKjH) */
static const wvec32 cf_vec1 = {
    /* Upper case */
    0, 0x1cd, 0, 0x10c, 0x10e, 0x11a, 0, 0x1e6,
    0x21e, 0x1cf, 0, 0x1e8, 0x13d, 0, 0x147, 0x1d1,
    0, 0, 0x158, 0x160, 0x164, 0x1d3, 0, 0,
    0, 0, 0x17d, 0, 0, 0, 0, 0};
static const wvec32 cf_vec2 = {
    /* Lower case */
    0, 0x1ce, 0, 0x10d, 0x10f, 0x11b, 0, 0x1e7,
    0x21f, 0x1d0, 0x1f0, 0x1e9, 0x13e, 0, 0x148, 0x1d2,
    0, 0, 0x159, 0x161, 0x165, 0x1d4, 0, 0,
    0, 0, 0x17e, 0, 0, 0, 0, 0};
static const wvec32 *cf_caron[] = {
    NULL, NULL, &cf_vec1, &cf_vec2, NULL, NULL, NULL, NULL
};

static const wvec32 **cx_tab[] = {
    NULL, c1_grave, c2_acute, c3_circumflex, c4_tilde, c5_macron,
    c6_breve, c7_dotabove, c8_diaeresis, NULL, ca_ringabove,
    cb_cedilla, NULL, cd_doubleacute, ce_ogonek, cf_caron };

guint8 *
get_t61_string(wmem_allocator_t *scope, const guint8 *ptr, gint length)
{
    gint           i;
    guint8        *c;
    wmem_strbuf_t *strbuf;

    strbuf = wmem_strbuf_sized_new(scope, length+1, 0);

    for (i = 0, c = (guint8 *)ptr; i < length; c++, i++) {
        if (!t61_tab[*c]) {
            wmem_strbuf_append_unichar(strbuf, UNREPL);
        } else if ((*c & 0xf0) == 0xc0) {
            gint j = *c & 0x0f;
            /* If this is the end of the string, or if the base
             * character is just a space, treat this as a regular
             * spacing character.
             */
            if ((!c[1] || c[1] == 0x20) && accents[j]) {
                wmem_strbuf_append_unichar(strbuf, accents[j]);
            } else if (cx_tab[j] && cx_tab[j][c[1]>>5] &&
                /* We have a composite mapping for this pair */
                       (*cx_tab[j][c[1]>>5])[c[1]&0x1f]) {
                wmem_strbuf_append_unichar(strbuf, (*cx_tab[j][c[1]>>5])[c[1]&0x1f]);
            } else {
                /* No mapping, just swap it around so the base
                 * character comes first.
                 */
                wmem_strbuf_append_unichar(strbuf, c[1]);
                wmem_strbuf_append_unichar(strbuf, t61_tab[*c]);
            }
            c++; i++;
            continue;
        } else {
            wmem_strbuf_append_unichar(strbuf, t61_tab[*c]);
        }
    }

    return (guint8 *)wmem_strbuf_finalize(strbuf);
}

/*
 * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */