--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/harfbuzz/util/hb-fc-list.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,222 @@
+/*
+ * Copyright © 2002 Keith Packard
+ * Copyright © 2014  Google, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the author(s) not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  The authors make no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#define HAVE_GETOPT_LONG 1 /* XXX */
+
+#include "hb-fc.h"
+
+#include <fontconfig/fontconfig.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#else
+#ifdef linux
+#define HAVE_GETOPT_LONG 1
+#endif
+#define HAVE_GETOPT 1
+#endif
+
+#ifndef HAVE_GETOPT
+#define HAVE_GETOPT 0
+#endif
+#ifndef HAVE_GETOPT_LONG
+#define HAVE_GETOPT_LONG 0
+#endif
+
+#if HAVE_GETOPT_LONG
+#undef  _GNU_SOURCE
+#define _GNU_SOURCE
+#include <getopt.h>
+const struct option longopts[] = {
+    {"verbose", 0, 0, 'v'},
+    {"format", 1, 0, 'f'},
+    {"quiet", 0, 0, 'q'},
+    {"version", 0, 0, 'V'},
+    {"help", 0, 0, 'h'},
+    {NULL,0,0,0},
+};
+#else
+#if HAVE_GETOPT
+extern char *optarg;
+extern int optind, opterr, optopt;
+#endif
+#endif
+
+static void
+usage (char *program, int error)
+{
+    FILE *file = error ? stderr : stdout;
+#if HAVE_GETOPT_LONG
+    fprintf (file, "usage: %s [-vqVh] [-f FORMAT] [--verbose] [--format=FORMAT] [--quiet] [--version] [--help] text [pattern] {element ...} \n",
+	     program);
+#else
+    fprintf (file, "usage: %s [-vqVh] [-f FORMAT] text [pattern] {element ...} \n",
+	     program);
+#endif
+    fprintf (file, "List fonts matching [pattern] that can render [text]\n");
+    fprintf (file, "\n");
+#if HAVE_GETOPT_LONG
+    fprintf (file, "  -v, --verbose        display entire font pattern verbosely\n");
+    fprintf (file, "  -f, --format=FORMAT  use the given output format\n");
+    fprintf (file, "  -q, --quiet          suppress all normal output, exit 1 if no fonts matched\n");
+    fprintf (file, "  -V, --version        display font config version and exit\n");
+    fprintf (file, "  -h, --help           display this help and exit\n");
+#else
+    fprintf (file, "  -v         (verbose) display entire font pattern verbosely\n");
+    fprintf (file, "  -f FORMAT  (format)  use the given output format\n");
+    fprintf (file, "  -q,        (quiet)   suppress all normal output, exit 1 if no fonts matched\n");
+    fprintf (file, "  -V         (version) display HarfBuzz version and exit\n");
+    fprintf (file, "  -h         (help)    display this help and exit\n");
+#endif
+    exit (error);
+}
+
+int
+main (int argc, char **argv)
+{
+    int			verbose = 0;
+    int			quiet = 0;
+    const FcChar8	*format = NULL;
+    int			nfont = 0;
+    int			i;
+    FcObjectSet		*os = 0;
+    FcFontSet		*fs;
+    FcPattern		*pat;
+    const char		*text;
+#if HAVE_GETOPT_LONG || HAVE_GETOPT
+    int			c;
+
+#if HAVE_GETOPT_LONG
+    while ((c = getopt_long (argc, argv, "vf:qVh", longopts, NULL)) != -1)
+#else
+    while ((c = getopt (argc, argv, "vf:qVh")) != -1)
+#endif
+    {
+	switch (c) {
+	case 'v':
+	    verbose = 1;
+	    break;
+	case 'f':
+	    format = (FcChar8 *) strdup (optarg);
+	    break;
+	case 'q':
+	    quiet = 1;
+	    break;
+	case 'V':
+	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
+		     FC_MAJOR, FC_MINOR, FC_REVISION);
+	    exit (0);
+	case 'h':
+	    usage (argv[0], 0);
+	default:
+	    usage (argv[0], 1);
+	}
+    }
+    i = optind;
+#else
+    i = 1;
+#endif
+
+    if (!argv[i])
+	usage (argv[0], 1);
+
+    text = argv[i];
+    i++;
+
+    if (argv[i])
+    {
+	pat = FcNameParse ((FcChar8 *) argv[i]);
+	if (!pat)
+	{
+	    fputs ("Unable to parse the pattern\n", stderr);
+	    return 1;
+	}
+	while (argv[++i])
+	{
+	    if (!os)
+		os = FcObjectSetCreate ();
+	    FcObjectSetAdd (os, argv[i]);
+	}
+    }
+    else
+	pat = FcPatternCreate ();
+    if (quiet && !os)
+	os = FcObjectSetCreate ();
+    if (!verbose && !format && !os)
+	os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_FILE, (char *) 0);
+    FcObjectSetAdd (os, FC_CHARSET);
+    if (!format)
+	format = (const FcChar8 *) "%{=fclist}\n";
+    fs = FcFontList (0, pat, os);
+    if (os)
+	FcObjectSetDestroy (os);
+    if (pat)
+	FcPatternDestroy (pat);
+
+    if (!quiet && fs)
+    {
+	int	j;
+
+	for (j = 0; j < fs->nfont; j++)
+	{
+	    hb_font_t *font = hb_fc_font_create (fs->fonts[j]);
+	    hb_bool_t can_render = hb_fc_can_render (font, text);
+	    hb_font_destroy (font);
+
+	    if (!can_render)
+		continue;
+
+	    FcPatternDel (fs->fonts[j], FC_CHARSET);
+
+	    if (verbose)
+	    {
+		FcPatternPrint (fs->fonts[j]);
+	    }
+	    else
+	    {
+		FcChar8 *s;
+
+		s = FcPatternFormat (fs->fonts[j], format);
+		if (s)
+		{
+		    printf ("%s", s);
+		    FcStrFree (s);
+		}
+	    }
+	}
+    }
+
+    if (fs) {
+	nfont = fs->nfont;
+	FcFontSetDestroy (fs);
+    }
+
+    FcFini ();
+
+    return quiet ? (nfont == 0 ? 1 : 0) : 0;
+}