diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/openenvcore/libc/src/getlogin.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/getlogin.c Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,109 @@ +// getlogin.c +// +// +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. 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. + * 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) 2006 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)getlogin.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include +__FBSDID("$FreeBSD: src/lib/libc/gen/getlogin.c,v 1.9 2003/10/29 10:45:01 tjr Exp $"); + +#include +#include +#include +#include +#include +#include +#include +#include "namespace.h" +#include +#include "un-namespace.h" + +#include "libc_private.h" + +#define THREAD_LOCK() if (__isthreaded) _pthread_mutex_lock(&logname_mutex) +#define THREAD_UNLOCK() if (__isthreaded) _pthread_mutex_unlock(&logname_mutex) + +extern int _getlogin(char *, int); + +int _logname_valid; /* known to setlogin() */ +static pthread_mutex_t logname_mutex = PTHREAD_MUTEX_INITIALIZER; + +static char * +getlogin_basic(int *status) +{ + static char logname[MAXLOGNAME]; + + if (_logname_valid == 0) { + if (/*_getlogin(logname, sizeof(logname)) < 0*/ 1 ) { + *status = errno; + return (NULL); + } + _logname_valid = 1; + } + *status = 0; + return (*logname ? logname : NULL); +} + +char * +getlogin(void) +{ + char *result; + int status; + + THREAD_LOCK(); + result = getlogin_basic(&status); + THREAD_UNLOCK(); + return (result); +} + +#ifndef __SYMBIAN32__ +int +getlogin_r(char *logname, int namelen) +{ + char *result; + int len; + int status; + + THREAD_LOCK(); + result = getlogin_basic(&status); + if (status == 0) { + if ((len = strlen(result) + 1) > namelen) + status = ERANGE; + else + strncpy(logname, result, len); + } + THREAD_UNLOCK(); + return (status); +} +#endif //__SYMBIAN32__