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authortjr <tjr@FreeBSD.org>2002-08-18 06:30:10 +0000
committertjr <tjr@FreeBSD.org>2002-08-18 06:30:10 +0000
commita87152b56061e8a50c4a1aa30087ab5414747caa (patch)
treeb0db833aa303e27ab11b105a22ad20569ca28d93 /lib/libc/locale/wcrtomb.c
parent6cf27f3105308a52d2373d09af8a7a599cfd68c2 (diff)
downloadFreeBSD-src-a87152b56061e8a50c4a1aa30087ab5414747caa.zip
FreeBSD-src-a87152b56061e8a50c4a1aa30087ab5414747caa.tar.gz
Implement the ISO C90 Amd.1 restartable wide and multibyte character
manipulation functions mbrlen(), mbrtowc(), mbsinit(), mbsrtowcs(), wcrtomb(), wcsrtombs().
Diffstat (limited to 'lib/libc/locale/wcrtomb.c')
-rw-r--r--lib/libc/locale/wcrtomb.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/libc/locale/wcrtomb.c b/lib/libc/locale/wcrtomb.c
new file mode 100644
index 0000000..8c8b2cd
--- /dev/null
+++ b/lib/libc/locale/wcrtomb.c
@@ -0,0 +1,46 @@
+/*-
+ * 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("$FreeBSD$");
+
+#include <errno.h>
+#include <rune.h>
+#include <stdlib.h>
+#include <wchar.h>
+
+size_t
+wcrtomb(char *__restrict s, wchar_t wc, mbstate_t *__restrict ps __unused)
+{
+ char *e;
+
+ sputrune(wc, s, MB_CUR_MAX, &e);
+ if (e == NULL) {
+ errno = EILSEQ;
+ return ((size_t)-1);
+ }
+ return ((size_t)(e - s));
+}
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