/* Like <fcntl.h>, but with non-working flags defined to 0.

   Copyright (C) 2006-2018 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 Paul Eggert */

#if __GNUC__ >= 3

@PRAGMA_SYSTEM_HEADER@

#endif

@PRAGMA_COLUMNS@

#if defined __need_system_fcntl_h

/* Special invocation convention.  */

/* Needed before <sys/stat.h>.

   May also define off_t to a 64-bit type on native Windows.  */

#include <sys/types.h>

/* On some systems other than glibc, <sys/stat.h> is a prerequisite of

   <fcntl.h>.  On glibc systems, we would like to avoid namespace pollution.

   But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an

   extern "C" { ... } block, which leads to errors in C++ mode with the

   overridden <sys/stat.h> from gnulib.  These errors are known to be gone

   with g++ version >= 4.3.  */

#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))

# include <sys/stat.h>

#endif

#@INCLUDE_NEXT@ @NEXT_FCNTL_H@

#else

/* Normal invocation convention.  */

#ifndef _@GUARD_PREFIX@_FCNTL_H

/* Needed before <sys/stat.h>.

   May also define off_t to a 64-bit type on native Windows.  */

#include <sys/types.h>

/* On some systems other than glibc, <sys/stat.h> is a prerequisite of

   <fcntl.h>.  On glibc systems, we would like to avoid namespace pollution.

   But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an

   extern "C" { ... } block, which leads to errors in C++ mode with the

   overridden <sys/stat.h> from gnulib.  These errors are known to be gone

   with g++ version >= 4.3.  */

#if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))

# include <sys/stat.h>

#endif

/* The include_next requires a split double-inclusion guard.  */

#@INCLUDE_NEXT@ @NEXT_FCNTL_H@

#ifndef _@GUARD_PREFIX@_FCNTL_H

#define _@GUARD_PREFIX@_FCNTL_H

#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems.  */

# include <unistd.h>

#endif

/* Native Windows platforms declare open(), creat() in <io.h>.  */

#if (@GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \

    && (defined _WIN32 && ! defined __CYGWIN__)

# include <io.h>

#endif

/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */

/* The definition of _GL_ARG_NONNULL is copied here.  */

/* The definition of _GL_WARN_ON_USE is copied here.  */

/* Declare overridden functions.  */

#if @GNULIB_FCNTL@

# if @REPLACE_FCNTL@

#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)

#   undef fcntl

#   define fcntl rpl_fcntl

#  endif

_GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...));

_GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...));

# else

#  if !@HAVE_FCNTL@

_GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...));

#  endif

_GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...));

# endif

_GL_CXXALIASWARN (fcntl);

#elif defined GNULIB_POSIXCHECK

# undef fcntl

# if HAVE_RAW_DECL_FCNTL

_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - "

                 "use gnulib module fcntl for portability");

# endif

#endif

#if @GNULIB_OPEN@

# if @REPLACE_OPEN@

#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)

#   undef open

#   define open rpl_open

#  endif

_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)

                             _GL_ARG_NONNULL ((1)));

_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));

# else

_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));

# endif

/* On HP-UX 11, in C++ mode, open() is defined as an inline function with a

   default argument.  _GL_CXXALIASWARN does not work in this case.  */

# if !defined __hpux

_GL_CXXALIASWARN (open);

# endif

#elif defined GNULIB_POSIXCHECK

# undef open

/* Assume open is always declared.  */

_GL_WARN_ON_USE (open, "open is not always POSIX compliant - "

                 "use gnulib module open for portability");

#endif

#if @GNULIB_OPENAT@

# if @REPLACE_OPENAT@

#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)

#   undef openat

#   define openat rpl_openat

#  endif

_GL_FUNCDECL_RPL (openat, int,

                  (int fd, char const *file, int flags, /* mode_t mode */ ...)

                  _GL_ARG_NONNULL ((2)));

_GL_CXXALIAS_RPL (openat, int,

                  (int fd, char const *file, int flags, /* mode_t mode */ ...));

# else

#  if !@HAVE_OPENAT@

_GL_FUNCDECL_SYS (openat, int,

                  (int fd, char const *file, int flags, /* mode_t mode */ ...)

                  _GL_ARG_NONNULL ((2)));

#  endif

_GL_CXXALIAS_SYS (openat, int,

                  (int fd, char const *file, int flags, /* mode_t mode */ ...));

# endif

_GL_CXXALIASWARN (openat);

#elif defined GNULIB_POSIXCHECK

# undef openat

# if HAVE_RAW_DECL_OPENAT

_GL_WARN_ON_USE (openat, "openat is not portable - "

                 "use gnulib module openat for portability");

# endif

#endif

/* Fix up the FD_* macros, only known to be missing on mingw.  */

#ifndef FD_CLOEXEC

# define FD_CLOEXEC 1

#endif

/* Fix up the supported F_* macros.  Intentionally leave other F_*

   macros undefined.  Only known to be missing on mingw.  */

#ifndef F_DUPFD_CLOEXEC

# define F_DUPFD_CLOEXEC 0x40000000

/* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise.  */

# define GNULIB_defined_F_DUPFD_CLOEXEC 1

#else

# define GNULIB_defined_F_DUPFD_CLOEXEC 0

#endif

#ifndef F_DUPFD

# define F_DUPFD 1

#endif

#ifndef F_GETFD

# define F_GETFD 2

#endif

/* Fix up the O_* macros.  */

/* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT

   to values outside 'int' range, so omit these misdefinitions.

   But avoid namespace pollution on non-AIX systems.  */

#ifdef _AIX

# include <limits.h>

# if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX)

#  undef O_CLOEXEC

# endif

# if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX)

#  undef O_NOFOLLOW

# endif

# if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX)

#  undef O_TTY_INIT

# endif

#endif

#if !defined O_DIRECT && defined O_DIRECTIO

/* Tru64 spells it 'O_DIRECTIO'.  */

# define O_DIRECT O_DIRECTIO

#endif

#if !defined O_CLOEXEC && defined O_NOINHERIT

/* Mingw spells it 'O_NOINHERIT'.  */

# define O_CLOEXEC O_NOINHERIT

#endif

#ifndef O_CLOEXEC

# define O_CLOEXEC 0x40000000 /* Try to not collide with system O_* flags.  */

# define GNULIB_defined_O_CLOEXEC 1

#else

# define GNULIB_defined_O_CLOEXEC 0

#endif

#ifndef O_DIRECT

# define O_DIRECT 0

#endif

#ifndef O_DIRECTORY

# define O_DIRECTORY 0

#endif

#ifndef O_DSYNC

# define O_DSYNC 0

#endif

#ifndef O_EXEC

# define O_EXEC O_RDONLY /* This is often close enough in older systems.  */

#endif

#ifndef O_IGNORE_CTTY

# define O_IGNORE_CTTY 0

#endif

#ifndef O_NDELAY

# define O_NDELAY 0

#endif

#ifndef O_NOATIME

# define O_NOATIME 0

#endif

#ifndef O_NONBLOCK

# define O_NONBLOCK O_NDELAY

#endif

/* If the gnulib module 'nonblocking' is in use, guarantee a working non-zero

   value of O_NONBLOCK.  Otherwise, O_NONBLOCK is defined (above) to O_NDELAY

   or to 0 as fallback.  */

#if @GNULIB_NONBLOCKING@

# if O_NONBLOCK

#  define GNULIB_defined_O_NONBLOCK 0

# else

#  define GNULIB_defined_O_NONBLOCK 1

#  undef O_NONBLOCK

#  define O_NONBLOCK 0x40000000

# endif

#endif

#ifndef O_NOCTTY

# define O_NOCTTY 0

#endif

#ifndef O_NOFOLLOW

# define O_NOFOLLOW 0

#endif

#ifndef O_NOLINK

# define O_NOLINK 0

#endif

#ifndef O_NOLINKS

# define O_NOLINKS 0

#endif

#ifndef O_NOTRANS

# define O_NOTRANS 0

#endif

#ifndef O_RSYNC

# define O_RSYNC 0

#endif

#ifndef O_SEARCH

# define O_SEARCH O_RDONLY /* This is often close enough in older systems.  */

#endif

#ifndef O_SYNC

# define O_SYNC 0

#endif

#ifndef O_TTY_INIT

# define O_TTY_INIT 0

#endif

#if ~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH)

# undef O_ACCMODE

# define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH)

#endif

/* For systems that distinguish between text and binary I/O.

   O_BINARY is usually declared in fcntl.h  */

#if !defined O_BINARY && defined _O_BINARY

  /* For MSC-compatible compilers.  */

# define O_BINARY _O_BINARY

# define O_TEXT _O_TEXT

#endif

#if defined __BEOS__ || defined __HAIKU__

  /* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect.  */

# undef O_BINARY

# undef O_TEXT

#endif

#ifndef O_BINARY

# define O_BINARY 0

# define O_TEXT 0

#endif

/* Fix up the AT_* macros.  */

/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive.  Its

   value exceeds INT_MAX, so its use as an int doesn't conform to the

   C standard, and GCC and Sun C complain in some cases.  If the bug

   is present, undef AT_FDCWD here, so it can be redefined below.  */

#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553

# undef AT_FDCWD

#endif

/* Use the same bit pattern as Solaris 9, but with the proper

   signedness.  The bit pattern is important, in case this actually is

   Solaris with the above workaround.  */

#ifndef AT_FDCWD

# define AT_FDCWD (-3041965)

#endif

/* Use the same values as Solaris 9.  This shouldn't matter, but

   there's no real reason to differ.  */

#ifndef AT_SYMLINK_NOFOLLOW

# define AT_SYMLINK_NOFOLLOW 4096

#endif

#ifndef AT_REMOVEDIR

# define AT_REMOVEDIR 1

#endif

/* Solaris 9 lacks these two, so just pick unique values.  */

#ifndef AT_SYMLINK_FOLLOW

# define AT_SYMLINK_FOLLOW 2

#endif

#ifndef AT_EACCESS

# define AT_EACCESS 4

#endif

#endif /* _@GUARD_PREFIX@_FCNTL_H */

#endif /* _@GUARD_PREFIX@_FCNTL_H */

#endif