summaryrefslogtreecommitdiff
path: root/tests/open.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/open.c')
-rw-r--r--tests/open.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/tests/open.c b/tests/open.c
deleted file mode 100644
index 326e6d15..00000000
--- a/tests/open.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/* Open a descriptor to a file.
- Copyright (C) 2007-2009 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 <http://www.gnu.org/licenses/>. */
-
-/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
-
-#include <config.h>
-
-/* Get the original definition of open. It might be defined as a macro. */
-#define __need_system_fcntl_h
-#include <fcntl.h>
-#undef __need_system_fcntl_h
-#include <sys/types.h>
-
-static inline int
-orig_open (const char *filename, int flags, mode_t mode)
-{
- return open (filename, flags, mode);
-}
-
-/* Specification. */
-#include <fcntl.h>
-
-#include <errno.h>
-#include <stdarg.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-int
-open (const char *filename, int flags, ...)
-{
- mode_t mode;
- int fd;
-
- mode = 0;
- if (flags & O_CREAT)
- {
- va_list arg;
- va_start (arg, flags);
-
- /* We have to use PROMOTED_MODE_T instead of mode_t, otherwise GCC 4
- creates crashing code when 'mode_t' is smaller than 'int'. */
- mode = va_arg (arg, PROMOTED_MODE_T);
-
- va_end (arg);
- }
-
-#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
- if (strcmp (filename, "/dev/null") == 0)
- filename = "NUL";
-#endif
-
-#if OPEN_TRAILING_SLASH_BUG
- /* If the filename ends in a slash and one of O_CREAT, O_WRONLY, O_RDWR
- is specified, then fail.
- Rationale: POSIX <http://www.opengroup.org/susv3/basedefs/xbd_chap04.html>
- says that
- "A pathname that contains at least one non-slash character and that
- ends with one or more trailing slashes shall be resolved as if a
- single dot character ( '.' ) were appended to the pathname."
- and
- "The special filename dot shall refer to the directory specified by
- its predecessor."
- If the named file already exists as a directory, then
- - if O_CREAT is specified, open() must fail because of the semantics
- of O_CREAT,
- - if O_WRONLY or O_RDWR is specified, open() must fail because POSIX
- <http://www.opengroup.org/susv3/functions/open.html> says that it
- fails with errno = EISDIR in this case.
- If the named file does not exist or does not name a directory, then
- - if O_CREAT is specified, open() must fail since open() cannot create
- directories,
- - if O_WRONLY or O_RDWR is specified, open() must fail because the
- file does not contain a '.' directory. */
- if (flags & (O_CREAT | O_WRONLY | O_RDWR))
- {
- size_t len = strlen (filename);
- if (len > 0 && filename[len - 1] == '/')
- {
- errno = EISDIR;
- return -1;
- }
- }
-#endif
-
- fd = orig_open (filename, flags, mode);
-
-#if OPEN_TRAILING_SLASH_BUG
- /* If the filename ends in a slash and fd does not refer to a directory,
- then fail.
- Rationale: POSIX <http://www.opengroup.org/susv3/basedefs/xbd_chap04.html>
- says that
- "A pathname that contains at least one non-slash character and that
- ends with one or more trailing slashes shall be resolved as if a
- single dot character ( '.' ) were appended to the pathname."
- and
- "The special filename dot shall refer to the directory specified by
- its predecessor."
- If the named file without the slash is not a directory, open() must fail
- with ENOTDIR. */
- if (fd >= 0)
- {
- size_t len = strlen (filename);
- if (len > 0 && filename[len - 1] == '/')
- {
- struct stat statbuf;
-
- if (fstat (fd, &statbuf) >= 0 && !S_ISDIR (statbuf.st_mode))
- {
- close (fd);
- errno = ENOTDIR;
- return -1;
- }
- }
- }
-#endif
-
-#ifdef FCHDIR_REPLACEMENT
- if (fd >= 0)
- _gl_register_fd (fd, filename);
-#endif
-
- return fd;
-}