--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zint/backend/tools/gen_iso3166_h.php	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,229 @@
+<?php
+/* Generate ISO 3166 include "backend/iso3166.h" for "backend/gs1.c" */
+/*
+    libzint - the open source barcode library
+    Copyright (C) 2021-2022 Robin Stuart <rstuart114@gmail.com>
+*/
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+/* To create "backend/iso3166.h" (from project directory):
+ *
+ *   php backend/tools/gen_iso3166_h.php > backend/iso3166.h
+ */
+
+$basename = basename(__FILE__);
+$dirname = dirname(__FILE__);
+$dirdirname = basename(dirname($dirname)) . '/' . basename($dirname);
+
+$opts = getopt('c:h:t:');
+
+$print_copyright = isset($opts['c']) ? (bool) $opts['c'] : true;
+$print_h_guard = isset($opts['h']) ? (bool) $opts['h'] : true;
+$tab = isset($opts['t']) ? $opts['t'] : '    ';
+
+$numeric = array(
+        /*AFG*/   4, /*ALB*/   8, /*ATA*/  10, /*DZA*/  12, /*ASM*/  16, /*AND*/  20, /*AGO*/  24, /*ATG*/  28, /*AZE*/  31, /*ARG*/  32,
+        /*AUS*/  36, /*AUT*/  40, /*BHS*/  44, /*BHR*/  48, /*BGD*/  50, /*ARM*/  51, /*BRB*/  52, /*BEL*/  56, /*BMU*/  60, /*BTN*/  64,
+        /*BOL*/  68, /*BIH*/  70, /*BWA*/  72, /*BVT*/  74, /*BRA*/  76, /*BLZ*/  84, /*IOT*/  86, /*SLB*/  90, /*VGB*/  92, /*BRN*/  96,
+        /*BGR*/ 100, /*MMR*/ 104, /*BDI*/ 108, /*BLR*/ 112, /*KHM*/ 116, /*CMR*/ 120, /*CAN*/ 124, /*CPV*/ 132, /*CYM*/ 136, /*CAF*/ 140,
+        /*LKA*/ 144, /*TCD*/ 148, /*CHL*/ 152, /*CHN*/ 156, /*TWN*/ 158, /*CXR*/ 162, /*CCK*/ 166, /*COL*/ 170, /*COM*/ 174, /*MYT*/ 175,
+        /*COG*/ 178, /*COD*/ 180, /*COK*/ 184, /*CRI*/ 188, /*HRV*/ 191, /*CUB*/ 192, /*CYP*/ 196, /*CZE*/ 203, /*BEN*/ 204, /*DNK*/ 208,
+        /*DMA*/ 212, /*DOM*/ 214, /*ECU*/ 218, /*SLV*/ 222, /*GNQ*/ 226, /*ETH*/ 231, /*ERI*/ 232, /*EST*/ 233, /*FRO*/ 234, /*FLK*/ 238,
+        /*SGS*/ 239, /*FJI*/ 242, /*FIN*/ 246, /*ALA*/ 248, /*FRA*/ 250, /*GUF*/ 254, /*PYF*/ 258, /*ATF*/ 260, /*DJI*/ 262, /*GAB*/ 266,
+        /*GEO*/ 268, /*GMB*/ 270, /*PSE*/ 275, /*DEU*/ 276, /*GHA*/ 288, /*GIB*/ 292, /*KIR*/ 296, /*GRC*/ 300, /*GRL*/ 304, /*GRD*/ 308,
+        /*GLP*/ 312, /*GUM*/ 316, /*GTM*/ 320, /*GIN*/ 324, /*GUY*/ 328, /*HTI*/ 332, /*HMD*/ 334, /*VAT*/ 336, /*HND*/ 340, /*HKG*/ 344,
+        /*HUN*/ 348, /*ISL*/ 352, /*IND*/ 356, /*IDN*/ 360, /*IRN*/ 364, /*IRQ*/ 368, /*IRL*/ 372, /*ISR*/ 376, /*ITA*/ 380, /*CIV*/ 384,
+        /*JAM*/ 388, /*JPN*/ 392, /*KAZ*/ 398, /*JOR*/ 400, /*KEN*/ 404, /*PRK*/ 408, /*KOR*/ 410, /*KWT*/ 414, /*KGZ*/ 417, /*LAO*/ 418,
+        /*LBN*/ 422, /*LSO*/ 426, /*LVA*/ 428, /*LBR*/ 430, /*LBY*/ 434, /*LIE*/ 438, /*LTU*/ 440, /*LUX*/ 442, /*MAC*/ 446, /*MDG*/ 450,
+        /*MWI*/ 454, /*MYS*/ 458, /*MDV*/ 462, /*MLI*/ 466, /*MLT*/ 470, /*MTQ*/ 474, /*MRT*/ 478, /*MUS*/ 480, /*MEX*/ 484, /*MCO*/ 492,
+        /*MNG*/ 496, /*MDA*/ 498, /*MNE*/ 499, /*MSR*/ 500, /*MAR*/ 504, /*MOZ*/ 508, /*OMN*/ 512, /*NAM*/ 516, /*NRU*/ 520, /*NPL*/ 524,
+        /*NLD*/ 528, /*CUW*/ 531, /*ABW*/ 533, /*SXM*/ 534, /*BES*/ 535, /*NCL*/ 540, /*VUT*/ 548, /*NZL*/ 554, /*NIC*/ 558, /*NER*/ 562,
+        /*NGA*/ 566, /*NIU*/ 570, /*NFK*/ 574, /*NOR*/ 578, /*MNP*/ 580, /*UMI*/ 581, /*FSM*/ 583, /*MHL*/ 584, /*PLW*/ 585, /*PAK*/ 586,
+        /*PAN*/ 591, /*PNG*/ 598, /*PRY*/ 600, /*PER*/ 604, /*PHL*/ 608, /*PCN*/ 612, /*POL*/ 616, /*PRT*/ 620, /*GNB*/ 624, /*TLS*/ 626,
+        /*PRI*/ 630, /*QAT*/ 634, /*REU*/ 638, /*ROU*/ 642, /*RUS*/ 643, /*RWA*/ 646, /*BLM*/ 652, /*SHN*/ 654, /*KNA*/ 659, /*AIA*/ 660,
+        /*LCA*/ 662, /*MAF*/ 663, /*SPM*/ 666, /*VCT*/ 670, /*SMR*/ 674, /*STP*/ 678, /*SAU*/ 682, /*SEN*/ 686, /*SRB*/ 688, /*SYC*/ 690,
+        /*SLE*/ 694, /*SGP*/ 702, /*SVK*/ 703, /*VNM*/ 704, /*SVN*/ 705, /*SOM*/ 706, /*ZAF*/ 710, /*ZWE*/ 716, /*ESP*/ 724, /*SSD*/ 728,
+        /*SDN*/ 729, /*ESH*/ 732, /*SUR*/ 740, /*SJM*/ 744, /*SWZ*/ 748, /*SWE*/ 752, /*CHE*/ 756, /*SYR*/ 760, /*TJK*/ 762, /*THA*/ 764,
+        /*TGO*/ 768, /*TKL*/ 772, /*TON*/ 776, /*TTO*/ 780, /*ARE*/ 784, /*TUN*/ 788, /*TUR*/ 792, /*TKM*/ 795, /*TCA*/ 796, /*TUV*/ 798,
+        /*UGA*/ 800, /*UKR*/ 804, /*MKD*/ 807, /*EGY*/ 818, /*GBR*/ 826, /*GGY*/ 831, /*JEY*/ 832, /*IMN*/ 833, /*TZA*/ 834, /*USA*/ 840,
+        /*VIR*/ 850, /*BFA*/ 854, /*URY*/ 858, /*UZB*/ 860, /*VEN*/ 862, /*WLF*/ 876, /*WSM*/ 882, /*YEM*/ 887, /*ZMB*/ 894,
+);
+
+$numeric_tab = array();
+$val = 0;
+$byte = 0;
+$max = $numeric[count($numeric) - 1];
+for ($i = 0; $i <= $max; $i++) {
+    if ($i && $i % 8 == 0) {
+        $numeric_tab[$byte++] = $val;
+        $val = 0;
+    }
+    if (in_array($i, $numeric)) {
+        $val |= 1 << ($i & 0x7);
+    }
+}
+$numeric_tab[$byte++] = $val;
+$numeric_cnt = count($numeric_tab);
+
+$alpha2 = array(
+        "AD", "AE", "AF", "AG", "AI", "AL", "AM", "AO", "AQ", "AR",
+        "AS", "AT", "AU", "AW", "AX", "AZ", "BA", "BB", "BD", "BE",
+        "BF", "BG", "BH", "BI", "BJ", "BL", "BM", "BN", "BO", "BQ",
+        "BR", "BS", "BT", "BV", "BW", "BY", "BZ", "CA", "CC", "CD",
+        "CF", "CG", "CH", "CI", "CK", "CL", "CM", "CN", "CO", "CR",
+        "CU", "CV", "CW", "CX", "CY", "CZ", "DE", "DJ", "DK", "DM",
+        "DO", "DZ", "EC", "EE", "EG", "EH", "ER", "ES", "ET", "FI",
+        "FJ", "FK", "FM", "FO", "FR", "GA", "GB", "GD", "GE", "GF",
+        "GG", "GH", "GI", "GL", "GM", "GN", "GP", "GQ", "GR", "GS",
+        "GT", "GU", "GW", "GY", "HK", "HM", "HN", "HR", "HT", "HU",
+        "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS", "IT",
+        "JE", "JM", "JO", "JP", "KE", "KG", "KH", "KI", "KM", "KN",
+        "KP", "KR", "KW", "KY", "KZ", "LA", "LB", "LC", "LI", "LK",
+        "LR", "LS", "LT", "LU", "LV", "LY", "MA", "MC", "MD", "ME",
+        "MF", "MG", "MH", "MK", "ML", "MM", "MN", "MO", "MP", "MQ",
+        "MR", "MS", "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA",
+        "NC", "NE", "NF", "NG", "NI", "NL", "NO", "NP", "NR", "NU",
+        "NZ", "OM", "PA", "PE", "PF", "PG", "PH", "PK", "PL", "PM",
+        "PN", "PR", "PS", "PT", "PW", "PY", "QA", "RE", "RO", "RS",
+        "RU", "RW", "SA", "SB", "SC", "SD", "SE", "SG", "SH", "SI",
+        "SJ", "SK", "SL", "SM", "SN", "SO", "SR", "SS", "ST", "SV",
+        "SX", "SY", "SZ", "TC", "TD", "TF", "TG", "TH", "TJ", "TK",
+        "TL", "TM", "TN", "TO", "TR", "TT", "TV", "TW", "TZ", "UA",
+        "UG", "UM", "US", "UY", "UZ", "VA", "VC", "VE", "VG", "VI",
+        "VN", "VU", "WF", "WS", "YE", "YT", "ZA", "ZM", "ZW",
+);
+
+$alpha2_tab = array();
+$val = 0;
+$byte = 0;
+for ($i = 0; $i < 26; $i++) {
+    for ($j = 0; $j < 26; $j++) {
+        $ij = $i * 26 + $j;
+        if ($ij && $ij % 8 == 0) {
+            $alpha2_tab[$byte++] = $val;
+            $val = 0;
+        }
+        $cc = chr(65 + $i) . chr(65 + $j);
+        if (in_array($cc, $alpha2)) {
+            $val |= 1 << ($ij & 0x7);
+        }
+    }
+}
+$alpha2_tab[$byte++] = $val;
+$alpha2_cnt = count($alpha2_tab);
+
+print <<<EOD
+/*
+ * ISO 3166 country codes generated by "$dirdirname/$basename"
+ */
+
+EOD;
+
+if ($print_copyright) {
+print <<<'EOD'
+/*
+    libzint - the open source barcode library
+    Copyright (C) 2021-2022 Robin Stuart <rstuart114@gmail.com>
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+    3. Neither the name of the project nor the names of its contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+ */
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+
+EOD;
+}
+
+if ($print_h_guard) {
+print <<<'EOD'
+#ifndef Z_ISO3166_H
+#define Z_ISO3166_H
+
+EOD;
+}
+
+print <<<EOD
+
+/* Whether ISO 3166-1 numeric */
+static int iso3166_numeric(int cc) {
+{$tab}static const unsigned char codes[$numeric_cnt] = {
+EOD;
+
+for ($i = 0; $i < $numeric_cnt; $i++) {
+    if ($i % 8 == 0) {
+        print "\n$tab$tab";
+    } else {
+        print " ";
+    }
+    printf("0x%02X,", $numeric_tab[$i]);
+}
+print <<<EOD
+
+{$tab}};
+{$tab}int b = cc >> 3;
+
+{$tab}if (b < 0 || b >= $numeric_cnt) {
+{$tab}{$tab}return 0;
+{$tab}}
+{$tab}return codes[b] & (1 << (cc & 0x7)) ? 1 : 0;
+}
+
+/* Whether ISO 3166-1 alpha2 */
+static int iso3166_alpha2(const char *cc) {
+{$tab}static const unsigned char codes[$alpha2_cnt] = {
+EOD;
+
+for ($i = 0; $i < $alpha2_cnt; $i++) {
+    if ($i % 8 == 0) {
+        print "\n$tab$tab";
+    } else {
+        print " ";
+    }
+    printf("0x%02X,", $alpha2_tab[$i]);
+}
+print <<<EOD
+
+{$tab}};
+{$tab}int cc_int;
+
+{$tab}if (cc[0] < 'A' || cc[0] > 'Z' || cc[1] < 'A' || cc[1] > 'Z') {
+{$tab}{$tab}return 0;
+{$tab}}
+{$tab}cc_int = (cc[0] - 'A') * 26 + (cc[1] - 'A');
+
+{$tab}return codes[cc_int >> 3] & (1 << (cc_int & 0x7)) ? 1 : 0;
+}
+
+EOD;
+
+if ($print_h_guard) {
+print <<<'EOD'
+
+#endif /* Z_ISO3166_H */
+
+EOD;
+}
+
+/* vim: set ts=4 sw=4 et : */