diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/getlogin_r.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/hurd/getlogin_r.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/getlogin_r.c b/REORG.TODO/sysdeps/mach/hurd/getlogin_r.c new file mode 100644 index 0000000000..e11e05b216 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/hurd/getlogin_r.c @@ -0,0 +1,48 @@ +/* Reentrant function to return the current login name. Hurd version. + Copyright (C) 1996-2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <hurd.h> +#include <string.h> + +/* Return at most NAME_LEN characters of the login name of the user in NAME. + If it cannot be determined or some other error occurred, return the error + code. Otherwise return 0. */ +int +__getlogin_r (char *name, size_t name_len) +{ + string_t login; + error_t err; + + if (err = __USEPORT (PROC, __proc_getlogin (port, login))) + return errno = err; + + size_t len = __strnlen (login, sizeof login - 1) + 1; + if (len > name_len) + { + errno = ERANGE; + return errno; + } + + memcpy (name, login, len); + return 0; +} +libc_hidden_def (__getlogin_r) +weak_alias (__getlogin_r, getlogin_r) +libc_hidden_weak (getlogin_r) |