Import macOS userland

adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106

1 files changed, 83 insertions, 0 deletions

diff --git a/text_cmds/tr/cmap.h b/text_cmds/tr/cmap.h
new file mode 100644
index 0000000..38e3d0e
--- /dev/null
+++ b/text_cmds/tr/cmap.h
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 2004 Tim J. Robbins.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD: src/usr.bin/tr/cmap.h,v 1.1 2004/07/09 02:08:07 tjr Exp $
+ */
+
+#ifndef CMAP_H
+#define	CMAP_H
+
+#include <limits.h>
+#include <stdbool.h>
+#include <wchar.h>
+
+struct cmapnode {
+	wint_t		cmn_from;
+	wint_t		cmn_to;
+	struct cmapnode	*cmn_left;
+	struct cmapnode	*cmn_right;
+};
+
+struct cmap {
+#define	CM_CACHE_SIZE	128
+	wint_t		cm_cache[CM_CACHE_SIZE];
+	bool		cm_havecache;
+	struct cmapnode	*cm_root;
+#define	CM_DEF_SELF	-2
+	wint_t		cm_def;
+	wint_t		cm_min;
+	wint_t		cm_max;
+};
+
+struct cmap *	cmap_alloc(void);
+bool		cmap_add(struct cmap *, wint_t, wint_t);
+wint_t		cmap_lookup_hard(struct cmap *, wint_t);
+void		cmap_cache(struct cmap *);
+wint_t		cmap_default(struct cmap *, wint_t);
+
+static __inline wint_t
+cmap_lookup(struct cmap *cm, wint_t from)
+{
+
+	if (from < CM_CACHE_SIZE && cm->cm_havecache)
+		return (cm->cm_cache[from]);
+	return (cmap_lookup_hard(cm, from));
+}
+
+static __inline wint_t
+cmap_min(struct cmap *cm)
+{
+
+	return (cm->cm_min);
+}
+
+static __inline wint_t
+cmap_max(struct cmap *cm)
+{
+
+	return (cm->cm_max);
+}
+
+#endif