| /* Copyright (C) 2000, 2003, 2006 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #include <sysdep.h> |
| #include <sys/syscall.h> |
| #include <kernel-features.h> |
| |
| #ifdef __NR_getegid32 |
| # if __ASSUME_32BITUIDS == 0 |
| /* This variable is shared with all files that need to check for 32bit |
| uids. */ |
| extern int __libc_missing_32bit_uids attribute_hidden; |
| # endif |
| #endif /* __NR_getegid32 */ |
| |
| gid_t |
| __getegid (void) |
| { |
| INTERNAL_SYSCALL_DECL (err); |
| #if __ASSUME_32BITUIDS > 0 |
| /* No error checking. */ |
| return INTERNAL_SYSCALL (getegid32, err, 0); |
| #else |
| # ifdef __NR_getegid32 |
| if (__libc_missing_32bit_uids <= 0) |
| { |
| int result; |
| |
| result = INTERNAL_SYSCALL (getegid32, err, 0); |
| if (! INTERNAL_SYSCALL_ERROR_P (result, err) |
| || INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS) |
| return result; |
| |
| __libc_missing_32bit_uids = 1; |
| } |
| # endif /* __NR_getegid32 */ |
| |
| /* No error checking. */ |
| return INTERNAL_SYSCALL (getegid, err, 0); |
| #endif |
| } |
| |
| weak_alias (__getegid, getegid) |
