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-rw-r--r--tests/test-fcntl-h.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/tests/test-fcntl-h.c b/tests/test-fcntl-h.c
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+++ b/tests/test-fcntl-h.c
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+/* Test of <fcntl.h> substitute.
+ Copyright (C) 2007, 2009-2022 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;
+}