mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 02:10:05 +00:00
c5f57c58ca
1999-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * inet/rcmd.c (__icheckhost): Fix typo in last patch. 1999-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * wcsmbs/wcschr.c (wcschr): Fix last patch: Add missing semicolon. * wcsmbs/wcsrchr.c (wcsrchr): Likewise. 1999-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * posix/wordexp.c (parse_tilde): Handle failing call to get.*_r functions correctly for non-existing entry. * sysdeps/posix/cuserid.c (cuserid): Likewise. * sysdeps/posix/getaddrinfo.c (gaih_inet_serv): Likewise.
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* Copyright (C) 1991, 1996, 1998, 1999 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <pwd.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
|
|
/* Return the username of the caller.
|
|
If S is not NULL, it points to a buffer of at least L_cuserid bytes
|
|
into which the name is copied; otherwise, a static buffer is used. */
|
|
char *
|
|
cuserid (s)
|
|
char *s;
|
|
{
|
|
static char name[L_cuserid];
|
|
char buf[NSS_BUFLEN_PASSWD];
|
|
struct passwd pwent;
|
|
struct passwd *pwptr;
|
|
|
|
if (__getpwuid_r (__geteuid (), &pwent, buf, sizeof (buf), &pwptr)
|
|
|| pwptr == NULL)
|
|
{
|
|
if (s != NULL)
|
|
s[0] = '\0';
|
|
return NULL;
|
|
}
|
|
|
|
if (s == NULL)
|
|
s = name;
|
|
return strncpy (s, pwptr->pw_name, L_cuserid);
|
|
}
|