Libc-320.tar.gz

[apple/libc.git] / stdio / FreeBSD / fputwc.c

diff --git a/stdio/FreeBSD/fputwc.c b/stdio/FreeBSD/fputwc.c
new file mode 100644 (file)
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--- /dev/null
+++ b/stdio/FreeBSD/fputwc.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/stdio/fputwc.c,v 1.5 2002/10/16 12:09:43 tjr Exp $");
+
+#include "namespace.h"
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include "un-namespace.h"
+#include "libc_private.h"
+#include "local.h"
+
+/*
+ * Non-MT-safe version.
+ */
+wint_t
+__fputwc(wchar_t wc, FILE *fp)
+{
+       char buf[MB_LEN_MAX];
+       mbstate_t mbs;
+       size_t i, len;
+
+       if (MB_LEN_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
+               /*
+                * Assume single-byte locale with no special encoding.
+                * A more careful test would be to check
+                * _CurrentRuneLocale->encoding.
+                */
+               *buf = (unsigned char)wc;
+               len = 1;
+       } else {
+               memset(&mbs, 0, sizeof(mbs));
+               if ((len = wcrtomb(buf, wc, &mbs)) == (size_t)-1) {
+                       fp->_flags |= __SERR;
+                       return (WEOF);
+               }
+       }
+
+       for (i = 0; i < len; i++)
+               if (__sputc((unsigned char)buf[i], fp) == EOF)
+                       return (WEOF);
+
+       return ((wint_t)wc);
+}
+
+/*
+ * MT-safe version.
+ */
+wint_t
+fputwc(wchar_t wc, FILE *fp)
+{
+       wint_t r;
+
+       FLOCKFILE(fp);
+       ORIENT(fp, 1);
+       r = __fputwc(wc, fp);
+       FUNLOCKFILE(fp);
+
+       return (r);
+}