Libc-498.tar.gz

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

diff --git a/locale/mbtowc-fbsd.c b/locale/mbtowc-fbsd.c
new file mode 100644 (file)
index 0000000..aeb75b7
--- /dev/null
+++ b/locale/mbtowc-fbsd.c
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2002-2004 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/locale/mbtowc.c,v 1.11 2004/07/29 06:18:40 tjr Exp $");
+
+#include "xlocale_private.h"
+
+#include <stdlib.h>
+#include <wchar.h>
+#include "mblocal.h"
+
+int
+mbtowc_l(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
+    locale_t loc)
+{
+       static const mbstate_t initial;
+       size_t rval;
+
+       NORMALIZE_LOCALE(loc);
+       if (s == NULL) {
+               /* No support for state dependent encodings. */
+               loc->__mbs_mbtowc = initial;
+               return (0);
+       }
+       rval = loc->__lc_ctype->__mbrtowc(pwc, s, n, &loc->__mbs_mbtowc, loc);
+       if (rval == (size_t)-1 || rval == (size_t)-2)
+               return (-1);
+       return ((int)rval);
+}
+
+int
+mbtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n)
+{
+       return mbtowc_l(pwc, s, n, __current_locale());
+}