Fix BRE typos in check-safety.sh

[thirdparty/glibc.git] / io / fcntl.h

diff --git a/io/fcntl.h b/io/fcntl.h
index 61834cef1b5eadf4d756058ccec6ef82c7c12ad9..e5a4c8e6b5c665cd5844da30b1748758b457b601 100644 (file)
--- a/io/fcntl.h
+++ b/io/fcntl.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2013 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -13,7 +13,7 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /*
  *     POSIX Standard: 6.5 File Control Operations     <fcntl.h>
@@ -34,6 +34,15 @@ __BEGIN_DECLS
    numbers and flag bits for `open', `fcntl', et al.  */
 #include <bits/fcntl.h>
 
+/* Detect if open needs mode as a third argument (or for openat as a fourth
+   argument).  */
+#ifdef __O_TMPFILE
+# define __OPEN_NEEDS_MODE(oflag) \
+  (((oflag) & O_CREAT) != 0 || ((oflag) & __O_TMPFILE) == __O_TMPFILE)
+#else
+# define __OPEN_NEEDS_MODE(oflag) (((oflag) & O_CREAT) != 0)
+#endif
+
 /* POSIX.1-2001 specifies that these types are defined by <fcntl.h>.
    Earlier POSIX standards permitted any type ending in `_t' to be defined
    by any POSIX header, so we don't conditionalize the definitions here.  */
@@ -62,9 +71,10 @@ typedef __pid_t pid_t;
 #endif
 
 /* For XPG all symbols from <sys/stat.h> should also be available.  */
+#ifdef __USE_XOPEN2K8
+# include <bits/types/struct_timespec.h>
+#endif
 #if defined __USE_XOPEN || defined __USE_XOPEN2K8
-# define __need_timespec
-# include <time.h>
 # include <bits/stat.h>
 
 # define S_IFMT                __S_IFMT
@@ -87,7 +97,7 @@ typedef __pid_t pid_t;
 # define S_ISUID       __S_ISUID       /* Set user ID on execution.  */
 # define S_ISGID       __S_ISGID       /* Set group ID on execution.  */
 
-# if defined __USE_BSD || defined __USE_MISC || defined __USE_XOPEN
+# if defined __USE_MISC || defined __USE_XOPEN
 /* Save swapped text after use (sticky bit).  This is pretty well obsolete.  */
 #  define S_ISVTX      __S_ISVTX
 # endif
@@ -129,6 +139,12 @@ typedef __pid_t pid_t;
 # define SEEK_END      2       /* Seek from end of file.  */
 #endif /* XPG */
 
+/* The constants AT_REMOVEDIR and AT_EACCESS have the same value.  AT_EACCESS
+   is meaningful only to faccessat, while AT_REMOVEDIR is meaningful only to
+   unlinkat.  The two functions do completely different things and therefore,
+   the flags can be allowed to overlap.  For example, passing AT_REMOVEDIR to
+   faccessat would be undefined behavior and thus treating it equivalent to
+   AT_EACCESS is valid undefined behavior.  */
 #ifdef __USE_ATFILE
 # define AT_FDCWD              -100    /* Special value used to indicate
                                           the *at functions should use the
@@ -141,6 +157,11 @@ typedef __pid_t pid_t;
 #  define AT_NO_AUTOMOUNT      0x800   /* Suppress terminal automount
                                           traversal.  */
 #  define AT_EMPTY_PATH                0x1000  /* Allow empty relative pathname.  */
+#  define AT_STATX_SYNC_TYPE   0x6000
+#  define AT_STATX_SYNC_AS_STAT        0x0000
+#  define AT_STATX_FORCE_SYNC  0x2000
+#  define AT_STATX_DONT_SYNC   0x4000
+#  define AT_RECURSIVE         0x8000  /* Apply to the entire subtree.  */
 # endif
 # define AT_EACCESS            0x200   /* Test access permitted for
                                           effective IDs, not real IDs.  */
@@ -151,11 +172,36 @@ typedef __pid_t pid_t;
 
    This function is a cancellation point and therefore not marked with
    __THROW.  */
+#ifndef __USE_TIME_BITS64
+# ifndef __USE_FILE_OFFSET64
 extern int fcntl (int __fd, int __cmd, ...);
+# else
+#  ifdef __REDIRECT
+extern int __REDIRECT (fcntl, (int __fd, int __cmd, ...), fcntl64);
+#  else
+#   define fcntl fcntl64
+#  endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int fcntl64 (int __fd, int __cmd, ...);
+# endif
+#else /* __USE_TIME_BITS64 */
+# ifdef __REDIRECT
+extern int __REDIRECT_NTH (fcntl, (int __fd, int __request, ...),
+                          __fcntl_time64);
+extern int __REDIRECT_NTH (fcntl64, (int __fd, int __request, ...),
+                          __fcntl_time64);
+# else
+extern int __fcntl_time64 (int __fd, int __request, ...) __THROW;
+#  define fcntl64 __fcntl_time64
+#  define fcntl __fcntl_time64
+# endif
+#endif
 
 /* Open FILE and return a new file descriptor for it, or -1 on error.
-   OFLAG determines the type of access used.  If O_CREAT is on OFLAG,
-   the third argument is taken as a `mode_t', the mode of the created file.
+   OFLAG determines the type of access used.  If O_CREAT or O_TMPFILE is set
+   in OFLAG, the third argument is taken as a `mode_t', the mode of the
+   created file.
 
    This function is a cancellation point and therefore not marked with
    __THROW.  */