--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/openenvcore/libc/src/wfreopen.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,264 @@
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * 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.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ * © Portions copyright (c) 2005 - 2006 Nokia Corporation.  All rights reserved.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)freopen.c	8.1 (Berkeley) 6/4/93";
+#endif /* LIBC_SCCS and not lint */
+#include <sys/cdefs.h>
+#ifndef __SYMBIAN32__
+__FBSDID("$FreeBSD: src/lib/libc/stdio/freopen.c,v 1.13 2004/05/22 15:19:41 tjr Exp $");
+#endif
+#include "namespace.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <wchar.h>
+#ifndef DEFFILEMODE
+#define	DEFFILEMODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
+#endif
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "un-namespace.h"
+#include <fcntl.h>
+#include <unistd.h>
+#include "libc_private.h"
+#include "local.h"
+#include "common_def.h"
+#if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libc_wsd_defs.h"
+#endif
+
+#ifdef EMULATOR
+int *GET_WSD_VAR_NAME(__sdidinit, g)();
+#define __sdidinit (*GET_WSD_VAR_NAME(__sdidinit, g)())
+#endif //EMULATOR
+/*
+  Re-direct an existing, open (probably) file to some other file.
+  ANSI is written such that the original file gets closed if at
+  all possible, no matter what.
+ */
+
+EXPORT_C FILE * wfreopen(const wchar_t *  file, const wchar_t *  mode,	FILE *fp)	
+{
+	int f;
+	int dflags, flags, isopen, oflags, sverrno, wantfd;
+	char destmode[4];
+	size_t siz;
+       
+	destmode[0] = '\0';
+    if(mode==NULL)
+    {
+    	errno = EINVAL;
+	    (void) fclose(fp);
+		return (NULL);
+    }
+	siz = wcstombs(destmode, mode, 4);	
+	   
+      
+	if ((flags = __sflags(destmode, &oflags)) == 0) {
+		(void) fclose(fp);
+		return (NULL);
+	}
+
+	FLOCKFILE(fp);
+
+	if (!__sdidinit)
+		__sinit();
+
+	/*
+	 * If the filename is a NULL pointer, the caller is asking us to
+	 * re-open the same file with a different mode. We allow this only
+	 * if the modes are compatible.
+	 */
+	if (file == NULL) {
+		/* See comment below regarding freopen() of closed files. */
+		if (fp->_flags == 0) {
+			FUNLOCKFILE(fp);
+			errno = EINVAL;
+			return (NULL);
+		}
+		if ((dflags = _fcntl(fp->_file, F_GETFL)) < 0) {
+			sverrno = errno;
+			fclose(fp);
+			FUNLOCKFILE(fp);
+			errno = sverrno;
+			return (NULL);
+		}
+		if ((dflags & O_ACCMODE) != O_RDWR && (dflags & O_ACCMODE) !=
+		    (oflags & O_ACCMODE)) {
+			fclose(fp);
+			FUNLOCKFILE(fp);
+			errno = EINVAL;
+			return (NULL);
+		}
+		if ((oflags ^ dflags) & O_APPEND) {
+			dflags &= ~O_APPEND;
+			dflags |= oflags & O_APPEND;
+			if (_fcntl(fp->_file, F_SETFL, dflags) < 0) {
+				sverrno = errno;
+				fclose(fp);
+				FUNLOCKFILE(fp);
+				errno = sverrno;
+				return (NULL);
+			}
+		}
+		if (oflags & O_TRUNC)
+			ftruncate(fp->_file, 0);
+		if (_fseeko(fp, 0, oflags & O_APPEND ? SEEK_END : SEEK_SET,
+		    0) < 0 && errno != ESPIPE) {
+			sverrno = errno;
+			fclose(fp);
+			FUNLOCKFILE(fp);
+			errno = sverrno;
+			return (NULL);
+		}
+		f = fp->_file;
+		isopen = 0;
+		wantfd = -1;
+		
+	}
+	else
+	{
+	/*
+	 * There are actually programs that depend on being able to "freopen"
+	 * descriptors that weren't originally open.  Keep this from breaking.
+	 * Remember whether the stream was open to begin with, and which file
+	 * descriptor (if any) was associated with it.  If it was attached to
+	 * a descriptor, defer closing it; freopen("/dev/stdin", "r", stdin)
+	 * should work.  This is unnecessary if it was not a Unix file.
+	 */
+		if (fp->_flags == 0) {
+		fp->_flags = __SEOF;	/* hold on to it */
+		isopen = 0;
+		wantfd = -1;
+		} 
+		else {
+		/* flush the stream; ANSI doesn't require this. */
+		if (fp->_flags & __SWR)
+			(void) __sflush(fp);
+		/* if close is NULL, closing is a no-op, hence pointless */
+		isopen = fp->_close != NULL;
+		if ((wantfd = fp->_file) < 0 && isopen) {
+			(void) (*fp->_close)(fp->_cookie);
+			isopen = 0;
+			}
+		}
+	/* Get a new descriptor to refer to the new file. */
+		f = wopen(file, oflags, DEFFILEMODE);
+		if (f < 0 && isopen) {
+		/* If out of fd's close the old one and try again. */
+		if (errno == ENFILE || errno == EMFILE) {
+			(void) (*fp->_close)(fp->_cookie);
+			isopen = 0;
+			f = wopen(file, oflags, DEFFILEMODE);        
+			}
+		}
+		sverrno = errno;
+	}
+
+	/*
+	 * Finish closing fp.  Even if the open succeeded above, we cannot
+	 * keep fp->_base: it may be the wrong size.  This loses the effect
+	 * of any setbuffer calls, but stdio has always done this before.
+	 */
+	if (isopen)                                      
+		(void) (*fp->_close)(fp->_cookie);
+	if (fp->_flags & __SMBF)
+		{
+#ifdef __SYMBIAN32__
+		BackendFree((char *)fp->_bf._base);
+#else
+		free((char *)fp->_bf._base);
+#endif//__SYMBIAN32__
+		}
+		
+	fp->_w = 0;
+	fp->_r = 0;
+	fp->_p = NULL;
+	fp->_bf._base = NULL;
+	fp->_bf._size = 0;
+	fp->_lbfsize = 0;
+	if (HASUB(fp))
+		FREEUB(fp);
+	fp->_ub._size = 0;
+	if (HASLB(fp))
+		FREELB(fp);
+	fp->_lb._size = 0;
+	fp->_extra->orientation = 0;
+	memset(&fp->_extra->mbstate, 0, sizeof(mbstate_t));
+
+	if (f < 0) {			/* did not get it after all */
+		fp->_flags = 0;		/* set it free */
+		errno = sverrno;	/* restore in case _close clobbered */
+		FUNLOCKFILE(fp);
+		return (NULL);
+	}
+#ifndef __SYMBIAN32__	
+	/*
+	 * If reopening something that was open before on a real file, try
+	 * to maintain the descriptor.  Various C library routines (perror)
+	 * assume stderr is always fd STDERR_FILENO, even if being freopen'd.
+	 */
+	if (wantfd >= 0 && f != wantfd) {
+		if (dup2(f, wantfd) >= 0) {
+			(void)_close(f);
+			f = wantfd;
+		}
+	}
+#else
+		if (wantfd >= 0 && f > wantfd){
+			if (dup2(f, wantfd) >= 0) {
+				(void)_close(f);
+				f = wantfd;		
+		}
+	}
+#endif	
+
+	fp->_flags = flags;
+	fp->_file = f;
+	fp->_cookie = fp;
+	fp->_read = __sread;
+	fp->_write = __swrite;
+	fp->_seek = __sseek;
+	fp->_close = __sclose;
+#ifdef __SYMBIAN32__    
+    if (oflags & O_TEXT) {
+        fp->_extra->fmode = 't';
+    }
+    else {
+        fp->_extra->fmode = 'b';
+    }
+#endif
+	FUNLOCKFILE(fp);
+	return (fp);
+}