1 files changed, 142 insertions, 0 deletions
diff --git a/usr.bin/sort/bwstring.h b/usr.bin/sort/bwstring.h
new file mode 100644
index 000000000000..c9a7d6778fd6
--- /dev/null
+++ b/usr.bin/sort/bwstring.h
@@ -0,0 +1,142 @@
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
+ * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
+ * 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.
+ */
+
+#if !defined(__BWSTRING_H__)
+#define	__BWSTRING_H__
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sysexits.h>
+#include <wchar.h>
+
+#include "sort.h"
+#include "mem.h"
+
+extern bool byte_sort;
+
+/* wchar_t is of 4 bytes: */
+#define	SIZEOF_WCHAR_STRING(LEN) ((LEN)*sizeof(wchar_t))
+
+struct wstr {
+	size_t len;
+	wchar_t str[];
+};
+
+struct cstr {
+	size_t len;
+	char str[];
+};
+
+/*
+ * Binary "wide" string
+ */
+struct bwstring
+{
+	union {
+		struct wstr wdata;
+		struct cstr cdata;
+	};
+};
+
+typedef void *bwstring_iterator;
+
+#define	BWSLEN(s) ((mb_cur_max == 1) ? (s)->cdata.len : (s)->wdata.len)
+struct bwstring *bwsalloc(size_t sz);
+
+size_t bwsrawlen(const struct bwstring *bws);
+const void* bwsrawdata(const struct bwstring *bws);
+void bws_setlen(struct bwstring *bws, size_t newlen);
+size_t bws_memsize(const struct bwstring *bws);
+double bwstod(struct bwstring *s0, bool *empty);
+int bws_month_score(const struct bwstring *s0);
+
+struct bwstring *ignore_leading_blanks(struct bwstring *str);
+struct bwstring *ignore_nonprinting(struct bwstring *str);
+struct bwstring *dictionary_order(struct bwstring *str);
+struct bwstring *ignore_case(struct bwstring *str);
+
+void bwsprintf(FILE*, struct bwstring*, const char *prefix, const char *suffix);
+void bws_disorder_warnx(struct bwstring *s, const char *fn, size_t pos);
+
+struct bwstring *bwsdup(const struct bwstring *s);
+struct bwstring *bwssbdup(const wchar_t *str, size_t size);
+struct bwstring *bwscsbdup(const unsigned char *str, size_t size);
+void bwsfree(const struct bwstring *s);
+struct bwstring *bwsnocpy(struct bwstring *dst, const struct bwstring *src, size_t offset, size_t size);
+int bwscmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset);
+int bwsncmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset, size_t len);
+int bwscoll(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset);
+size_t bwsfwrite(struct bwstring *bws, FILE *f, bool zero_ended);
+
+static inline bwstring_iterator
+bws_begin(struct bwstring *bws)
+{
+
+	return ((bwstring_iterator)bws->wdata.str);
+}
+
+static inline bwstring_iterator
+bws_end(struct bwstring *bws)
+{
+
+	return ((mb_cur_max == 1) ?
+	    (bwstring_iterator) (bws->cdata.str + bws->cdata.len) :
+	    (bwstring_iterator) (bws->wdata.str + bws->wdata.len));
+}
+
+static inline bwstring_iterator
+bws_iterator_inc(bwstring_iterator iter, size_t pos)
+{
+
+	if (mb_cur_max == 1)
+		return ((unsigned char *) iter) + pos;
+	else
+		return ((wchar_t*) iter) + pos;
+}
+
+static inline wchar_t
+bws_get_iter_value(bwstring_iterator iter)
+{
+
+	if (mb_cur_max == 1)
+		return *((unsigned char *) iter);
+	else
+		return *((wchar_t*) iter);
+}
+
+int
+bws_iterator_cmp(bwstring_iterator iter1, bwstring_iterator iter2, size_t len);
+
+#define	BWS_GET(bws, pos) ((mb_cur_max == 1) ? (bws->cdata.str[(pos)]) : bws->wdata.str[(pos)])
+
+void initialise_months(void);
+
+#endif /* __BWSTRING_H__ */