1 /* Test acquiring ownership 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 (grantpt, 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 These calls don't fail on OpenBSD (with gnulib's replacement) and on 34 musl libc. */ 35 { 36 int ret; 37 38 errno = 0; 39 ret = grantpt (-1); 40 if (ret != 0) 41 { 42 ASSERT (ret == -1); 43 ASSERT (errno == EBADF 44 || errno == EINVAL /* seen on FreeBSD 6.4 */ 45 || errno == 0 /* seen on Solaris 8 */ 46 ); 47 } 48 } 49 { 50 int ret; 51 52 close (99); 53 errno = 0; 54 ret = grantpt (99); 55 if (ret != 0) 56 { 57 ASSERT (ret == -1); 58 ASSERT (errno == EBADF 59 || errno == EINVAL /* seen on FreeBSD 6.4 */ 60 || errno == 0 /* seen on Solaris 8 */ 61 ); 62 } 63 } 64 65 return 0; 66 }