Libc-498.tar.gz

[apple/libc.git] / locale / wctrans-fbsd.c

diff --git a/locale/wctrans-fbsd.c b/locale/wctrans-fbsd.c
new file mode 100644 (file)
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+++ b/locale/wctrans-fbsd.c
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+/*-
+ * Copyright (c) 2002 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/locale/wctrans.c,v 1.3 2003/11/01 08:20:58 tjr Exp $");
+
+#include "xlocale_private.h"
+
+#include <errno.h>
+#include <string.h>
+#include <wctype.h>
+
+enum {
+       _WCT_ERROR      = 0,
+       _WCT_TOLOWER    = 1,
+       _WCT_TOUPPER    = 2
+};
+
+wint_t
+towctrans_l(wint_t wc, wctrans_t desc, locale_t loc)
+{
+
+       NORMALIZE_LOCALE(loc);
+       switch (desc) {
+       case _WCT_TOLOWER:
+               wc = towlower_l(wc, loc);
+               break;
+       case _WCT_TOUPPER:
+               wc = towupper_l(wc, loc);
+               break;
+       case _WCT_ERROR:
+       default:
+               errno = EINVAL;
+               break;
+       }
+
+       return (wc);
+}
+
+wint_t
+towctrans(wint_t wc, wctrans_t desc)
+{
+       return towctrans_l(wc, desc, __current_locale());
+}
+
+wctrans_t
+wctrans(const char *charclass)
+{
+       struct {
+               const char      *name;
+               wctrans_t        trans;
+       } ccls[] = {
+               { "tolower",    _WCT_TOLOWER },
+               { "toupper",    _WCT_TOUPPER },
+               { NULL,         _WCT_ERROR },           /* Default */
+       };
+       int i;
+
+       i = 0;
+       while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0)
+               i++;
+
+       if (ccls[i].trans == _WCT_ERROR)
+               errno = EINVAL;
+       return (ccls[i].trans);
+}
+
+/*
+ * The extended locale version just calls the regular version.  If there
+ * is ever support for arbitrary per-locale translations, this need to
+ * be modified.
+ */
+wctrans_t
+wctrans_l(const char *charclass, locale_t loc)
+{
+       return wctrans(charclass);
+}