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/* Test of <fcntl.h> substitute.
Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
#include <fcntl.h>
/* Check that the various O_* macros are defined. */
int o = (O_DIRECT | O_DIRECTORY | O_DSYNC | O_IGNORE_CTTY | O_NDELAY | O_NOATIME
| O_NONBLOCK | O_NOCTTY | O_NOFOLLOW | O_NOLINK | O_NOLINKS | O_NOTRANS
| O_RSYNC | O_SYNC | O_TTY_INIT | O_BINARY | O_TEXT);
/* Check that the various SEEK_* macros are defined. */
int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
/* Check that the FD_* macros are defined. */
int i = FD_CLOEXEC;
/* Check that the types are all defined. */
pid_t t1;
off_t t2;
mode_t t3;
int
main (void)
{
/* Ensure no overlap in SEEK_*. */
switch (0)
{
case SEEK_CUR:
case SEEK_END:
case SEEK_SET:
;
}
/* Ensure no dangerous overlap in non-zero gnulib-defined replacements. */
switch (O_RDONLY)
{
/* Access modes */
case O_RDONLY:
case O_WRONLY:
case O_RDWR:
#if O_EXEC && O_EXEC != O_RDONLY
case O_EXEC:
#endif
#if O_SEARCH && O_EXEC != O_SEARCH && O_SEARCH != O_RDONLY
case O_SEARCH:
#endif
i = ! (~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH));
break;
/* Everyone should have these */
case O_CREAT:
case O_EXCL:
case O_TRUNC:
case O_APPEND:
break;
/* These might be 0 or O_RDONLY, only test non-zero versions. */
#if O_CLOEXEC
case O_CLOEXEC:
#endif
#if O_DIRECT
case O_DIRECT:
#endif
#if O_DIRECTORY
case O_DIRECTORY:
#endif
#if O_DSYNC
case O_DSYNC:
#endif
#if O_IGNORE_CTTY
case O_IGNORE_CTTY:
#endif
#if O_NOATIME
case O_NOATIME:
#endif
#if O_NONBLOCK
case O_NONBLOCK:
#endif
#if O_NOCTTY
case O_NOCTTY:
#endif
#if O_NOFOLLOW
case O_NOFOLLOW:
#endif
#if O_NOLINK
case O_NOLINK:
#endif
#if O_NOLINKS
case O_NOLINKS:
#endif
#if O_NOTRANS
case O_NOTRANS:
#endif
#if O_RSYNC && O_RSYNC != O_DSYNC
case O_RSYNC:
#endif
#if O_SYNC && O_SYNC != O_DSYNC && O_SYNC != O_RSYNC
case O_SYNC:
#endif
#if O_TTY_INIT
case O_TTY_INIT:
#endif
#if O_BINARY
case O_BINARY:
#endif
#if O_TEXT
case O_TEXT:
#endif
;
}
return !i;
}
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