newlib: wide char support

git-svn-id: svn://kolibrios.org@6607 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/newlib/libc/stdio/fputws.c

@@ -0,0 +1,193 @@
+/*-
+ * 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.
+ */
+
+/*
+FUNCTION        
+<<fputws>>, <<fputws_unlocked>>---write a wide character string in a file or stream
+
+INDEX
+	fputws   
+INDEX
+	fputws_unlocked 
+INDEX
+	_fputws_r
+INDEX
+	_fputws_unlocked_r
+
+ANSI_SYNOPSIS
+	#include <wchar.h>
+	int fputws(const wchar_t *__restrict <[ws]>, FILE *__restrict <[fp]>);
+
+	#define _GNU_SOURCE
+	#include <wchar.h>
+	int fputws_unlocked(const wchar_t *__restrict <[ws]>, FILE *__restrict <[fp]>);
+
+	#include <wchar.h>
+	int _fputws_r(struct _reent *<[ptr]>, const wchar_t *<[ws]>,
+                      FILE *<[fp]>);
+
+	#include <wchar.h>
+	int _fputws_unlocked_r(struct _reent *<[ptr]>, const wchar_t *<[ws]>,
+                               FILE *<[fp]>);
+
+TRAD_SYNOPSIS   
+	#include <wchar.h>
+	int fputws(<[ws]>, <[fp]>)
+	wchar_t *__restrict <[ws]>;
+	FILE *__restrict <[fp]>;
+
+	#define _GNU_SOURCE
+	#include <wchar.h>
+	int fputws_unlocked(<[ws]>, <[fp]>)
+	wchar_t *__restrict <[ws]>;
+	FILE *__restrict <[fp]>;
+
+	#include <wchar.h>
+	int _fputws_r(<[ptr]>, <[ws]>, <[fp]>)
+	struct _reent *<[ptr]>;
+	wchar_t *<[ws]>;
+	FILE *<[fp]>;
+
+	#include <wchar.h>
+	int _fputws_unlocked_r(<[ptr]>, <[ws]>, <[fp]>)
+	struct _reent *<[ptr]>;
+	wchar_t *<[ws]>;
+	FILE *<[fp]>;
+
+DESCRIPTION
+<<fputws>> writes the wide character string at <[ws]> (but without the
+trailing null) to the file or stream identified by <[fp]>.
+
+<<fputws_unlocked>> is a non-thread-safe version of <<fputws>>.
+<<fputws_unlocked>> may only safely be used within a scope
+protected by flockfile() (or ftrylockfile()) and funlockfile().  This
+function may safely be used in a multi-threaded program if and only
+if they are called while the invoking thread owns the (FILE *)
+object, as is the case after a successful call to the flockfile() or
+ftrylockfile() functions.  If threads are disabled, then
+<<fputws_unlocked>> is equivalent to <<fputws>>.
+
+<<_fputws_r>> and <<_fputws_unlocked_r>> are simply reentrant versions of the
+above that take an additional reentrant struct pointer argument: <[ptr]>.
+
+RETURNS
+If successful, the result is a non-negative integer; otherwise, the result
+is <<-1>> to indicate an error.
+
+PORTABILITY
+<<fputws>> is required by C99 and POSIX.1-2001.
+
+<<fputws_unlocked>> is a GNU extension.
+*/
+
+#include <_ansi.h>
+#include <reent.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <wchar.h>
+#include "fvwrite.h"
+#include "local.h"
+
+#ifdef __IMPL_UNLOCKED__
+#define _fputws_r _fputws_unlocked_r
+#define fputws fputws_unlocked
+#endif
+
+int
+_DEFUN(_fputws_r, (ptr, ws, fp),
+	struct _reent *ptr _AND
+	const wchar_t *ws _AND
+	FILE *fp)
+{
+  size_t nbytes;
+  char buf[BUFSIZ];
+#ifdef _FVWRITE_IN_STREAMIO
+  struct __suio uio;
+  struct __siov iov;
+
+  _newlib_flockfile_start (fp);
+  ORIENT (fp, 1);
+  if (cantwrite (ptr, fp) != 0)
+    goto error;
+  uio.uio_iov = &iov;
+  uio.uio_iovcnt = 1;
+  iov.iov_base = buf;
+  do
+    {
+      nbytes = _wcsrtombs_r(ptr, buf, &ws, sizeof (buf), &fp->_mbstate);
+      if (nbytes == (size_t) -1)
+	goto error;
+      iov.iov_len = uio.uio_resid = nbytes;
+      if (__sfvwrite_r(ptr, fp, &uio) != 0)
+	goto error;
+    }
+  while (ws != NULL);
+  _newlib_flockfile_exit (fp);
+  return (0);
+
+error:
+  _newlib_flockfile_end (fp);
+  return (-1);
+#else
+  _newlib_flockfile_start (fp);
+  ORIENT (fp, 1);
+  if (cantwrite (ptr, fp) != 0)
+    goto error;
+
+  do
+    {
+      size_t i = 0;
+      nbytes = _wcsrtombs_r (ptr, buf, &ws, sizeof (buf), &fp->_mbstate);
+      if (nbytes == (size_t) -1)
+	goto error;
+      while (i < nbytes)
+        {
+	  if (__sputc_r (ptr, buf[i], fp) == EOF)
+	    goto error;
+	  i++;
+        }
+    }
+  while (ws != NULL);
+  _newlib_flockfile_exit (fp);
+  return (0);
+
+error:
+  _newlib_flockfile_end (fp);
+  return (-1);
+#endif
+}
+
+int
+_DEFUN(fputws, (ws, fp),
+	const wchar_t *__restrict ws _AND
+	FILE *__restrict fp)
+{
+  struct _reent *reent = _REENT;
+
+  CHECK_INIT (reent, fp);
+  return _fputws_r (reent, ws, fp);
+}