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Provide the getlogin_r function.

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This commit is contained in:
Wes Peters 1999-11-28 22:41:38 +00:00
parent c0da4cacd0
commit 8166f7fd4b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=53859
1 changed files with 18 additions and 0 deletions
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18
lib/libc/gen/getlogin.c
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@ -29,6 +29,8 @@
* 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.
*
* $FreeBSD$
*/
#if defined(LIBC_SCCS) && !defined(lint)
@ -60,3 +62,19 @@ getlogin()
}
return (*logname ? logname : (char *)NULL);
}
char *
getlogin_r(char *logname, int namelen)
{
if (_logname_valid == 0) {
#ifdef __NETBSD_SYSCALLS
if (__getlogin(logname, namelen - 1) < 0)
#else
if (_getlogin(logname, namelen) < 0)
#endif
return ((char *)NULL);
_logname_valid = 1;
}
return (*logname ? logname : (char *)NULL);
}