1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/getlogin.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,109 @@
     1.4 +// getlogin.c
     1.5 +//
     1.6 +//
     1.7 +/*
     1.8 + * Copyright (c) 1988, 1993
     1.9 + *	The Regents of the University of California.  All rights reserved.
    1.10 + *
    1.11 + * Redistribution and use in source and binary forms, with or without
    1.12 + * modification, are permitted provided that the following conditions
    1.13 + * are met:
    1.14 + * 1. Redistributions of source code must retain the above copyright
    1.15 + *    notice, this list of conditions and the following disclaimer.
    1.16 + * 2. Redistributions in binary form must reproduce the above copyright
    1.17 + *    notice, this list of conditions and the following disclaimer in the
    1.18 + *    documentation and/or other materials provided with the distribution.
    1.19 + * 4. Neither the name of the University nor the names of its contributors
    1.20 + *    may be used to endorse or promote products derived from this software
    1.21 + *    without specific prior written permission.
    1.22 + *
    1.23 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    1.24 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.25 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.26 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    1.27 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    1.28 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    1.29 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.30 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    1.31 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    1.32 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    1.33 + * SUCH DAMAGE.
    1.34 + */
    1.35 +
    1.36 + /* Portions Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. */
    1.37 + 
    1.38 +#if defined(LIBC_SCCS) && !defined(lint)
    1.39 +static char sccsid[] = "@(#)getlogin.c	8.1 (Berkeley) 6/4/93";
    1.40 +#endif /* LIBC_SCCS and not lint */
    1.41 +#include <sys/cdefs.h>
    1.42 +__FBSDID("$FreeBSD: src/lib/libc/gen/getlogin.c,v 1.9 2003/10/29 10:45:01 tjr Exp $");
    1.43 +
    1.44 +#include <sys/param.h>
    1.45 +#include <errno.h>
    1.46 +#include <pwd.h>
    1.47 +#include <utmp.h>
    1.48 +#include <stdio.h>
    1.49 +#include <string.h>
    1.50 +#include <unistd.h>
    1.51 +#include "namespace.h"
    1.52 +#include <pthread.h>
    1.53 +#include "un-namespace.h"
    1.54 +
    1.55 +#include "libc_private.h"
    1.56 +
    1.57 +#define	THREAD_LOCK()	if (__isthreaded) _pthread_mutex_lock(&logname_mutex)
    1.58 +#define	THREAD_UNLOCK()	if (__isthreaded) _pthread_mutex_unlock(&logname_mutex)
    1.59 +
    1.60 +extern int		_getlogin(char *, int);
    1.61 +
    1.62 +int			_logname_valid;		/* known to setlogin() */
    1.63 +static pthread_mutex_t	logname_mutex = PTHREAD_MUTEX_INITIALIZER;
    1.64 +
    1.65 +static char *
    1.66 +getlogin_basic(int *status)
    1.67 +{
    1.68 +	static char logname[MAXLOGNAME];
    1.69 +
    1.70 +	if (_logname_valid == 0) {
    1.71 +		if (/*_getlogin(logname, sizeof(logname))  < 0*/ 1 ) {
    1.72 +			*status = errno;
    1.73 +			return (NULL);
    1.74 +		}
    1.75 +		_logname_valid = 1;
    1.76 +	}
    1.77 +	*status = 0;
    1.78 +	return (*logname ? logname : NULL);
    1.79 +}
    1.80 +
    1.81 +char *
    1.82 +getlogin(void)
    1.83 +{
    1.84 +	char	*result;
    1.85 +	int	status;
    1.86 +
    1.87 +	THREAD_LOCK();
    1.88 +	result = getlogin_basic(&status);
    1.89 +	THREAD_UNLOCK();
    1.90 +	return (result);
    1.91 +}
    1.92 +
    1.93 +#ifndef __SYMBIAN32__
    1.94 +int
    1.95 +getlogin_r(char *logname, int namelen)
    1.96 +{
    1.97 +	char	*result;
    1.98 +	int	len;
    1.99 +	int	status;
   1.100 +	
   1.101 +	THREAD_LOCK();
   1.102 +	result = getlogin_basic(&status);
   1.103 +	if (status == 0) {
   1.104 +		if ((len = strlen(result) + 1) > namelen)
   1.105 +			status = ERANGE;
   1.106 +		else
   1.107 +			strncpy(logname, result, len);
   1.108 +	}
   1.109 +	THREAD_UNLOCK();
   1.110 +	return (status);
   1.111 +}
   1.112 +#endif //__SYMBIAN32__