1 /* Test of <fcntl.h> substitute.
2 Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
23 /* Check that the various O_* macros are defined. */
24 int o = (O_DIRECT | O_DIRECTORY | O_DSYNC | O_IGNORE_CTTY | O_NDELAY | O_NOATIME
25 | O_NONBLOCK | O_NOCTTY | O_NOFOLLOW | O_NOLINK | O_NOLINKS | O_NOTRANS
26 | O_RSYNC | O_SYNC | O_TTY_INIT | O_BINARY | O_TEXT);
28 /* Check that the various SEEK_* macros are defined. */
29 int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
31 /* Check that the FD_* macros are defined. */
34 /* Check that the types are all defined. */
42 /* Ensure no overlap in SEEK_*. */
51 /* Ensure no dangerous overlap in non-zero gnulib-defined replacements. */
58 #if O_EXEC && O_EXEC != O_RDONLY
61 #if O_SEARCH && O_EXEC != O_SEARCH && O_SEARCH != O_RDONLY
64 i = ! (~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH));
67 /* Everyone should have these */
74 /* These might be 0 or O_RDONLY, only test non-zero versions. */
111 #if O_RSYNC && O_RSYNC != O_DSYNC
114 #if O_SYNC && O_SYNC != O_RSYNC