sync code with last improvements from OpenBSD

dist/fontconfig/fc-conflist/fc-conflist.c

@@ -0,0 +1,146 @@
+/*
+ * fontconfig/fc-conflist/fc-conflist.c
+ *
+ * Copyright © 2003 Keith Packard
+ * Copyright © 2014 Red Hat, Inc.
+ * Red Hat Author(s): Akira TAGOH
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#else
+#ifdef linux
+#define HAVE_GETOPT_LONG 1
+#endif
+#define HAVE_GETOPT 1
+#endif
+
+#include <fontconfig/fontconfig.h>
+#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <locale.h>
+
+#ifdef ENABLE_NLS
+#include <libintl.h>
+#define _(x)		(dgettext(GETTEXT_PACKAGE, x))
+#else
+#define dgettext(d, s)	(s)
+#define _(x)		(x)
+#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>
+static const struct option longopts[] = {
+    {"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 [-Vh] [--version] [--help]\n"),
+	     program);
+#else
+    fprintf (file, _("usage: %s [-Vh]\n"),
+	     program);
+#endif
+    fprintf (file, _("Show the ruleset files information on the system\n"));
+    fprintf (file, "\n");
+#if HAVE_GETOPT_LONG
+    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         (version)      display font config version and exit\n"));
+    fprintf (file, _("  -h         (help)         display this help and exit\n"));
+#endif
+    exit (error);
+}
+
+int
+main (int argc, char **argv)
+{
+    FcConfig *config;
+    FcConfigFileInfoIter iter;
+
+#if HAVE_GETOPT_LONG || HAVE_GETOPT
+    int		c;
+
+    setlocale (LC_ALL, "");
+#if HAVE_GETOPT_LONG
+    while ((c = getopt_long (argc, argv, "Vh", longopts, NULL)) != -1)
+#else
+    while ((c = getopt (argc, argv, "Vh")) != -1)
+#endif
+    {
+	switch (c) {
+	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);
+	}
+    }
+#endif
+
+    config = FcConfigGetCurrent ();
+    FcConfigFileInfoIterInit (config, &iter);
+    do
+    {
+	FcChar8 *name, *desc;
+	FcBool enabled;
+
+	if (FcConfigFileInfoIterGet (config, &iter, &name, &desc, &enabled))
+	{
+	    printf ("%c %s: %s\n", enabled ? '+' : '-', name, desc);
+	    FcStrFree (name);
+	    FcStrFree (desc);
+	}
+    } while (FcConfigFileInfoIterNext (config, &iter));
+
+    FcFini ();
+
+    return 0;
+}