de1c3ebb59
* misc/bits/syslog.h (syslog): When __va_arg_pack is defined,
implement as __extern_always_inline function.
(vsyslog): Define as __extern_always_inline function unconditionally.
* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf):
When __va_arg_pack is defined, implement as __extern_always_inline
functions.
(vsprintf, vsnprintf, vprintf, vfprintf): Define as
__extern_always_inline functions unconditionally.
* libio/bits/stdio.h (vprintf): Ifdef out the inline when
bits/stdio2.h will be included.
* wcsmbs/bits/wchar2.h (__swprintf_alias): New redirect.
(swprintf, wprintf, fwprintf): When __va_arg_pack is defined,
implement as __extern_always_inline functions.
(vswprintf, vwprintf, vfwprintf): Define as
__extern_always_inline functions unconditionally.
* debug/tst-chk1.c (do_test): Enable remaining tests for C++.
2007-09-03 Jakub Jelinek <jakub@redhat.com>
* misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Only
define in C++ for GCC 4.3+, in C++ always use __gnu_inline__
attribute.
* include/features.h (__USE_EXTERN_INLINES): Define only when
__extern_inline is defined.
* stdlib/stdlib.h: Include bits/stdlib.h when __extern_always_inline
is defined instead of when not __cplusplus.
* misc/sys/syslog.h: Include bits/syslog.h when __extern_always_inline
is defined instead of when not __cplusplus.
* socket/sys/socket.h: Include bits/socket2.h when
__extern_always_inline is defined instead of when not __cplusplus.
* libio/stdio.h: Include bits/stdio2.h when __extern_always_inline
is defined instead of when not __cplusplus.
* posix/unistd.h: Include bits/unistd.h when __extern_always_inline
is defined instead of when not __cplusplus.
* string/string.h: Include bits/string3.h when __extern_always_inline
is defined instead of when not __cplusplus.
* wcsmbs/wchar.h: Include bits/wchar2.h when __extern_always_inline
is defined instead of when not __cplusplus.
(btowc, wctob): Don't guard the inlines with ifndef __cplusplus.
* io/fcntl.h: Don't include bits/fcntl2.h if __extern_always_inline
is not defined.
* misc/bits/syslog-ldbl.h: Guard *_chk stuff with
defined __extern_always_inline instead of !defined __cplusplus.
* libio/bits/stdio-ldbl.h: Likewise.
* wcsmbs/bits/wchar-ldbl.h: Likewise.
* misc/bits/syslog.h (syslog): Don't define for C++.
(vsyslog): Use __extern_always_inline function for C++ instead of
a macro.
* libio/bits/stdio.h (__STDIO_INLINE): Define to __extern_inline
whenever that macro is defined.
(vprintf): Don't provide the inline for C++.
(fread_unlocked, fwrite_unlocked): Don't define the macros for C++.
* libio/bits/stdio2.h (sprintf, snprintf, printf, fprintf): Don't
define the macros for C++.
(vsprintf, vsnprintf, vprintf, vfprintf): Define as
__extern_always_inline functions for C++.
* io/sys/stat.h (stat, lstat, fstat, fstatat, mknod, mknodat,
stat64, lstat64, fstat64, fstatat64): Don't define if not
__USE_EXTERN_INLINES.
* wcsmbs/bits/wchar2.h: Fix #error message.
(swprintf, wprintf, fwprintf): Don't define the macros for C++.
(vswprintf, vwprintf, vfwprintf): Define using
__extern_always_inline functions for C++.
* string/bits/string3.h: Don't #undef macros if __cplusplus.
(memcpy, memmove, mempcpy, memset, bcopy, bzero, strcpy, stpcpy,
strncpy, strcat, strncat): Define as __extern_always_inline
functions instead of macros for C++.
* math/bits/cmathcalls.h: Guard __extern_inline routines with
defined __extern_inline.
* sysdeps/alpha/fpu/bits/mathinline.h (__MATH_INLINE): Define
to __extern_inline whenever that macro is defined.
* sysdeps/ia64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/i386/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/i386/i486/bits/string.h (__STRING_INLINE): Likewise.
* sysdeps/s390/bits/string.h (__STRING_INLINE): Likewise.
* sysdeps/s390/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/powerpc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/x86_64/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/sparc/fpu/bits/mathinline.h (__MATH_INLINE): Likewise.
* sysdeps/unix/sysv/linux/sys/sysmacros.h (gnu_dev_major,
gnu_dev_minor, gnu_dev_makedev): Remove __extern_inline from
prototypes. Only provide __extern_inline routines if
__USE_EXTERN_INLINES.
* debug/Makefile: Add rules to build and run tst-{,lfs}chk{4,5,6}
tests.
* debug/tst-chk1.c (do_prepare, do_test): Allow compilation as C++.
For now avoid some *printf tests in C++. Skip all testing
if __USE_FORTIFY_LEVEL is defined, but __extern_always_inline macro
is not.
* debug/tst-chk4.cc: New file.
* debug/tst-chk5.cc: New file.
* debug/tst-chk6.cc: New file.
* debug/tst-lfschk4.cc: New file.
* debug/tst-lfschk5.cc: New file.
* debug/tst-lfschk6.cc: New file.
* include/wchar.h (__vfwprintf_chk, __vswprintf_chk): Avoid
prototypes in C++.
* include/stdio.h (__sprintf_chk, __snprintf_chk, __vsprintf_chk,
__vsnprintf_chk, __printf_chk, __fprintf_chk, __vprintf_chk,
__vfprintf_chk, __fgets_unlocked_chk, __fgets_chk): Likewise.
223 lines
7.3 KiB
C
223 lines
7.3 KiB
C
/* Copyright (C) 1991,1992,1994-2001,2003,2004,2005,2006,2007
|
|
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
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
/*
|
|
* POSIX Standard: 6.5 File Control Operations <fcntl.h>
|
|
*/
|
|
|
|
#ifndef _FCNTL_H
|
|
#define _FCNTL_H 1
|
|
|
|
#include <features.h>
|
|
|
|
/* This must be early so <bits/fcntl.h> can define types winningly. */
|
|
__BEGIN_DECLS
|
|
|
|
/* Get the definitions of O_*, F_*, FD_*: all the
|
|
numbers and flag bits for `open', `fcntl', et al. */
|
|
#include <bits/fcntl.h>
|
|
|
|
/* For XPG all symbols from <sys/stat.h> should also be available. */
|
|
#ifdef __USE_XOPEN
|
|
# include <sys/stat.h>
|
|
#endif
|
|
|
|
#ifdef __USE_MISC
|
|
# ifndef R_OK /* Verbatim from <unistd.h>. Ugh. */
|
|
/* Values for the second argument to access.
|
|
These may be OR'd together. */
|
|
# define R_OK 4 /* Test for read permission. */
|
|
# define W_OK 2 /* Test for write permission. */
|
|
# define X_OK 1 /* Test for execute permission. */
|
|
# define F_OK 0 /* Test for existence. */
|
|
# endif
|
|
#endif /* Use misc. */
|
|
|
|
/* XPG wants the following symbols. */
|
|
#ifdef __USE_XOPEN /* <stdio.h> has the same definitions. */
|
|
# define SEEK_SET 0 /* Seek from beginning of file. */
|
|
# define SEEK_CUR 1 /* Seek from current position. */
|
|
# define SEEK_END 2 /* Seek from end of file. */
|
|
#endif /* XPG */
|
|
|
|
#ifdef __USE_ATFILE
|
|
# define AT_FDCWD -100 /* Special value used to indicate
|
|
the *at functions should use the
|
|
current working directory. */
|
|
# define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */
|
|
# define AT_REMOVEDIR 0x200 /* Remove directory instead of
|
|
unlinking file. */
|
|
# define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
|
|
# define AT_EACCESS 0x200 /* Test access permitted for
|
|
effective IDs, not real IDs. */
|
|
#endif
|
|
|
|
/* Do the file control operation described by CMD on FD.
|
|
The remaining arguments are interpreted depending on CMD.
|
|
|
|
This function is a cancellation point and therefore not marked with
|
|
__THROW. */
|
|
extern int fcntl (int __fd, int __cmd, ...);
|
|
|
|
/* 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.
|
|
|
|
This function is a cancellation point and therefore not marked with
|
|
__THROW. */
|
|
#ifndef __USE_FILE_OFFSET64
|
|
extern int open (__const char *__file, int __oflag, ...) __nonnull ((1));
|
|
#else
|
|
# ifdef __REDIRECT
|
|
extern int __REDIRECT (open, (__const char *__file, int __oflag, ...), open64)
|
|
__nonnull ((1));
|
|
# else
|
|
# define open open64
|
|
# endif
|
|
#endif
|
|
#ifdef __USE_LARGEFILE64
|
|
extern int open64 (__const char *__file, int __oflag, ...) __nonnull ((1));
|
|
#endif
|
|
|
|
#ifdef __USE_ATFILE
|
|
/* Similar to `open' but a relative path name is interpreted relative to
|
|
the directory for which FD is a descriptor.
|
|
|
|
NOTE: some other `openat' implementation support additional functionality
|
|
through this interface, especially using the O_XATTR flag. This is not
|
|
yet supported here.
|
|
|
|
This function is a cancellation point and therefore not marked with
|
|
__THROW. */
|
|
# ifndef __USE_FILE_OFFSET64
|
|
extern int openat (int __fd, __const char *__file, int __oflag, ...)
|
|
__nonnull ((2));
|
|
# else
|
|
# ifdef __REDIRECT
|
|
extern int __REDIRECT (openat, (int __fd, __const char *__file, int __oflag,
|
|
...), openat64) __nonnull ((2));
|
|
# else
|
|
# define openat openat64
|
|
# endif
|
|
# endif
|
|
|
|
extern int openat64 (int __fd, __const char *__file, int __oflag, ...)
|
|
__nonnull ((2));
|
|
#endif
|
|
|
|
/* Create and open FILE, with mode MODE. This takes an `int' MODE
|
|
argument because that is what `mode_t' will be widened to.
|
|
|
|
This function is a cancellation point and therefore not marked with
|
|
__THROW. */
|
|
#ifndef __USE_FILE_OFFSET64
|
|
extern int creat (__const char *__file, __mode_t __mode) __nonnull ((1));
|
|
#else
|
|
# ifdef __REDIRECT
|
|
extern int __REDIRECT (creat, (__const char *__file, __mode_t __mode),
|
|
creat64) __nonnull ((1));
|
|
# else
|
|
# define creat creat64
|
|
# endif
|
|
#endif
|
|
#ifdef __USE_LARGEFILE64
|
|
extern int creat64 (__const char *__file, __mode_t __mode) __nonnull ((1));
|
|
#endif
|
|
|
|
#if !defined F_LOCK && (defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \
|
|
&& !defined __USE_POSIX))
|
|
/* NOTE: These declarations also appear in <unistd.h>; be sure to keep both
|
|
files consistent. Some systems have them there and some here, and some
|
|
software depends on the macros being defined without including both. */
|
|
|
|
/* `lockf' is a simpler interface to the locking facilities of `fcntl'.
|
|
LEN is always relative to the current file position.
|
|
The CMD argument is one of the following. */
|
|
|
|
# define F_ULOCK 0 /* Unlock a previously locked region. */
|
|
# define F_LOCK 1 /* Lock a region for exclusive use. */
|
|
# define F_TLOCK 2 /* Test and lock a region for exclusive use. */
|
|
# define F_TEST 3 /* Test a region for other processes locks. */
|
|
|
|
# ifndef __USE_FILE_OFFSET64
|
|
extern int lockf (int __fd, int __cmd, __off_t __len);
|
|
# else
|
|
# ifdef __REDIRECT
|
|
extern int __REDIRECT (lockf, (int __fd, int __cmd, __off64_t __len), lockf64);
|
|
# else
|
|
# define lockf lockf64
|
|
# endif
|
|
# endif
|
|
# ifdef __USE_LARGEFILE64
|
|
extern int lockf64 (int __fd, int __cmd, __off64_t __len);
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __USE_XOPEN2K
|
|
/* Advice the system about the expected behaviour of the application with
|
|
respect to the file associated with FD. */
|
|
# ifndef __USE_FILE_OFFSET64
|
|
extern int posix_fadvise (int __fd, __off_t __offset, __off_t __len,
|
|
int __advise) __THROW;
|
|
# else
|
|
# ifdef __REDIRECT_NTH
|
|
extern int __REDIRECT_NTH (posix_fadvise, (int __fd, __off64_t __offset,
|
|
__off64_t __len, int __advise),
|
|
posix_fadvise64);
|
|
# else
|
|
# define posix_fadvise posix_fadvise64
|
|
# endif
|
|
# endif
|
|
# ifdef __USE_LARGEFILE64
|
|
extern int posix_fadvise64 (int __fd, __off64_t __offset, __off64_t __len,
|
|
int __advise) __THROW;
|
|
# endif
|
|
|
|
|
|
/* Reserve storage for the data of the file associated with FD.
|
|
|
|
This function is a possible cancellation points and therefore not
|
|
marked with __THROW. */
|
|
# ifndef __USE_FILE_OFFSET64
|
|
extern int posix_fallocate (int __fd, __off_t __offset, __off_t __len);
|
|
# else
|
|
# ifdef __REDIRECT
|
|
extern int __REDIRECT (posix_fallocate, (int __fd, __off64_t __offset,
|
|
__off64_t __len),
|
|
posix_fallocate64);
|
|
# else
|
|
# define posix_fallocate posix_fallocate64
|
|
# endif
|
|
# endif
|
|
# ifdef __USE_LARGEFILE64
|
|
extern int posix_fallocate64 (int __fd, __off64_t __offset, __off64_t __len);
|
|
# endif
|
|
#endif
|
|
|
|
|
|
/* Define some macros helping to catch common problems. */
|
|
#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline \
|
|
&& !defined __cplusplus
|
|
# include <bits/fcntl2.h>
|
|
#endif
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* fcntl.h */
|