1 /* Test unlocking of the slave side of a pseudo-terminal. 2 Copyright (C) 2011-2021 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #include <config.h> 18 19 #include <stdlib.h> 20 21 #include "signature.h" 22 SIGNATURE_CHECK (unlockpt, int, (int)); 23 24 #include <errno.h> 25 #include <unistd.h> 26 27 #include "macros.h" 28 29 int 30 main (void) /* */ 31 { 32 /* Test behaviour for invalid file descriptors. */ 33 #if !defined __NetBSD__ /* known bug on NetBSD 5.1 */ 34 { 35 errno = 0; 36 ASSERT (unlockpt (-1) == -1); 37 ASSERT (errno == EBADF 38 || errno == EINVAL /* seen on FreeBSD 6.4 */ 39 ); 40 } 41 { 42 close (99); 43 errno = 0; 44 ASSERT (unlockpt (99) == -1); 45 ASSERT (errno == EBADF 46 || errno == EINVAL /* seen on FreeBSD 6.4 */ 47 ); 48 } 49 #endif 50 51 return 0; 52 }