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Update.
2004-09-17 Ulrich Drepper <drepper@redhat.com> * misc/sys/cdefs.h: Define __nonnull using nonnull function attribute for gcc 3.3 and higher. * io/fcntl.h: Add __nonnull where appropriate. * io/ftw.h: Likewise. * io/utime.h: Likewise. * io/sys/poll.h: Likewise. * io/sys/sendfile.h: Likewise. * io/sys/stat.h: Likewise. * io/sys/statfs.h: Likewise. * io/sys/statvfs.h: Likewise. * posix/unistd.h: Likewise.
This commit is contained in:
Ulrich Drepper
parent
5032f49422
commit
8a1f658bd7
14
ChangeLog
14
ChangeLog
@ -1,3 +1,17 @@
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2004-09-17 Ulrich Drepper <drepper@redhat.com>
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* misc/sys/cdefs.h: Define __nonnull using nonnull function attribute
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for gcc 3.3 and higher.
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* io/fcntl.h: Add __nonnull where appropriate.
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* io/ftw.h: Likewise.
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* io/utime.h: Likewise.
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* io/sys/poll.h: Likewise.
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* io/sys/sendfile.h: Likewise.
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* io/sys/stat.h: Likewise.
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* io/sys/statfs.h: Likewise.
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* io/sys/statvfs.h: Likewise.
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* posix/unistd.h: Likewise.
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2004-09-16 Ulrich Drepper <drepper@redhat.com>
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* posix/glob.h: Remove cruft to make header usable outside glibc.
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22
NEWS
22
NEWS
@ -9,6 +9,28 @@ Version 2.3.4
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* Support for RFC 3678. Real implementations exist only for Linux so far.
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Implemented by Ulrich Drepper.
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* nscd can now cache entries persistently. Expiring entries are reloaded.
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For speedups the cache can be shared in memory with client processes.
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Implemented by Ulrich Drepper.
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* nscd can now perform SELinux checks.
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Implemented by Matthew Rickard <mjricka@epoch.ncsc.mil>.
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* getaddrinfo queries are not cached. Canonical name lookup is performed
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efficiently.
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Implemented by Ulrich Drepper.
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* The nothrow function attribute is used when headers are used by gcc when
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compiling C code. This can avoid significant amounts of exception
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handling data.
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* The malloc functions perform more error checking and are stricter when
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it comes to reacting on errors. The default action is to terminate
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the process after showing an error message.
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* Reverse lookups of IPv6 addresses does not use bit string or .ip6.int
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lookups anymore unless explicitly requested.
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Version 2.3.3
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13
io/fcntl.h
13
io/fcntl.h
@ -69,16 +69,17 @@ extern int fcntl (int __fd, int __cmd, ...);
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This function is a cancellation point and therefore not marked with
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__THROW. */
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#ifndef __USE_FILE_OFFSET64
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extern int open (__const char *__file, int __oflag, ...);
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extern int open (__const char *__file, int __oflag, ...) __nonnull ((1));
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#else
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# ifdef __REDIRECT
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extern int __REDIRECT (open, (__const char *__file, int __oflag, ...), open64);
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extern int __REDIRECT (open, (__const char *__file, int __oflag, ...), open64)
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__nonnull ((1));
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# else
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# define open open64
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# endif
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#endif
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#ifdef __USE_LARGEFILE64
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extern int open64 (__const char *__file, int __oflag, ...);
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extern int open64 (__const char *__file, int __oflag, ...) __nonnull ((1));
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#endif
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/* Create and open FILE, with mode MODE. This takes an `int' MODE
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@ -87,17 +88,17 @@ extern int open64 (__const char *__file, int __oflag, ...);
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This function is a cancellation point and therefore not marked with
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__THROW. */
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#ifndef __USE_FILE_OFFSET64
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extern int creat (__const char *__file, __mode_t __mode);
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extern int creat (__const char *__file, __mode_t __mode) __nonnull ((1));
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#else
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# ifdef __REDIRECT
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extern int __REDIRECT (creat, (__const char *__file, __mode_t __mode),
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creat64);
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creat64) __nonnull ((1));
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# else
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# define creat creat64
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# endif
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#endif
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#ifdef __USE_LARGEFILE64
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extern int creat64 (__const char *__file, __mode_t __mode);
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extern int creat64 (__const char *__file, __mode_t __mode) __nonnull ((1));
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#endif
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#if !defined F_LOCK && (defined __USE_MISC || (defined __USE_XOPEN_EXTENDED \
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16
io/ftw.h
16
io/ftw.h
@ -1,4 +1,4 @@
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/* Copyright (C) 1992,1996,1997,1998,1999,2003 Free Software Foundation, Inc.
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/* Copyright (C) 1992,1996-1999,2003,2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -134,18 +134,19 @@ typedef int (*__nftw64_func_t) (__const char *__filename,
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This function is a possible cancellation point and therefore not
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marked with __THROW. */
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#ifndef __USE_FILE_OFFSET64
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extern int ftw (__const char *__dir, __ftw_func_t __func, int __descriptors);
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extern int ftw (__const char *__dir, __ftw_func_t __func, int __descriptors)
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__nonnull ((1, 2));
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#else
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# ifdef __REDIRECT
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extern int __REDIRECT (ftw, (__const char *__dir, __ftw_func_t __func,
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int __descriptors), ftw64);
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int __descriptors), ftw64) __nonnull ((1, 2));
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# else
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# define ftw ftw64
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# endif
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#endif
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#ifdef __USE_LARGEFILE64
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extern int ftw64 (__const char *__dir, __ftw64_func_t __func,
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int __descriptors);
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int __descriptors) __nonnull ((1, 2));
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#endif
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#ifdef __USE_XOPEN_EXTENDED
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@ -156,18 +157,19 @@ extern int ftw64 (__const char *__dir, __ftw64_func_t __func,
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marked with __THROW. */
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# ifndef __USE_FILE_OFFSET64
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extern int nftw (__const char *__dir, __nftw_func_t __func, int __descriptors,
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int __flag);
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int __flag) __nonnull ((1, 2));
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# else
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# ifdef __REDIRECT
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extern int __REDIRECT (nftw, (__const char *__dir, __nftw_func_t __func,
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int __descriptors, int __flag), nftw64);
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int __descriptors, int __flag), nftw64)
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__nonnull ((1, 2));
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# else
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# define nftw nftw64
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# endif
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# endif
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# ifdef __USE_LARGEFILE64
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extern int nftw64 (__const char *__dir, __nftw64_func_t __func,
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int __descriptors, int __flag);
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int __descriptors, int __flag) __nonnull ((1, 2));
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# endif
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#endif
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@ -32,19 +32,19 @@ __BEGIN_DECLS
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case of error. */
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#ifndef __USE_FILE_OFFSET64
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extern ssize_t sendfile (int __out_fd, int __in_fd, off_t *__offset,
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size_t __count) __THROW;
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size_t __count) __THROW __nonnull ((3));
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#else
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# ifdef __REDIRECT_NTH
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extern ssize_t __REDIRECT_NTH (sendfile,
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(int __out_fd, int __in_fd, __off64_t *__offset,
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size_t __count), sendfile64);
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size_t __count), sendfile64) __nonnull ((3));
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# else
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# define sendfile sendfile64
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# endif
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#endif
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#ifdef __USE_LARGEFILE64
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extern ssize_t sendfile64 (int __out_fd, int __in_fd, __off64_t *__offset,
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size_t __count) __THROW;
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size_t __count) __THROW __nonnull ((3));
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#endif
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__END_DECLS
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@ -205,16 +205,18 @@ __BEGIN_DECLS
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#ifndef __USE_FILE_OFFSET64
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/* Get file attributes for FILE and put them in BUF. */
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extern int stat (__const char *__restrict __file,
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struct stat *__restrict __buf) __THROW;
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struct stat *__restrict __buf) __THROW __nonnull ((1, 2));
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/* Get file attributes for the file, device, pipe, or socket
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that file descriptor FD is open on and put them in BUF. */
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extern int fstat (int __fd, struct stat *__buf) __THROW;
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extern int fstat (int __fd, struct stat *__buf) __THROW __nonnull ((2));
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#else
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# ifdef __REDIRECT_NTH
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extern int __REDIRECT_NTH (stat, (__const char *__restrict __file,
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struct stat *__restrict __buf), stat64);
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extern int __REDIRECT_NTH (fstat, (int __fd, struct stat *__buf), fstat64);
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struct stat *__restrict __buf), stat64)
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__nonnull ((1, 2));
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extern int __REDIRECT_NTH (fstat, (int __fd, struct stat *__buf), fstat64)
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__nonnull ((2));
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# else
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# define stat stat64
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# define fstat fstat64
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@ -222,8 +224,8 @@ extern int __REDIRECT_NTH (fstat, (int __fd, struct stat *__buf), fstat64);
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#endif
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#ifdef __USE_LARGEFILE64
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extern int stat64 (__const char *__restrict __file,
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struct stat64 *__restrict __buf) __THROW;
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extern int fstat64 (int __fd, struct stat64 *__buf) __THROW;
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struct stat64 *__restrict __buf) __THROW __nonnull ((1, 2));
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extern int fstat64 (int __fd, struct stat64 *__buf) __THROW __nonnull ((2));
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#endif
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#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
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@ -231,31 +233,35 @@ extern int fstat64 (int __fd, struct stat64 *__buf) __THROW;
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/* Get file attributes about FILE and put them in BUF.
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If FILE is a symbolic link, do not follow it. */
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extern int lstat (__const char *__restrict __file,
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struct stat *__restrict __buf) __THROW;
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struct stat *__restrict __buf) __THROW __nonnull ((1, 2));
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# else
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# ifdef __REDIRECT_NTH
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extern int __REDIRECT_NTH (lstat,
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(__const char *__restrict __file,
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struct stat *__restrict __buf), lstat64);
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struct stat *__restrict __buf), lstat64)
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__nonnull ((1, 2));
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# else
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# define lstat lstat64
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# endif
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# endif
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# ifdef __USE_LARGEFILE64
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extern int lstat64 (__const char *__restrict __file,
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struct stat64 *__restrict __buf) __THROW;
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struct stat64 *__restrict __buf)
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__THROW __nonnull ((1, 2));
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# endif
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#endif
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/* Set file access permissions for FILE to MODE.
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If FILE is a symbolic link, this affects its target instead. */
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extern int chmod (__const char *__file, __mode_t __mode) __THROW;
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extern int chmod (__const char *__file, __mode_t __mode)
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__THROW __nonnull ((1));
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#ifdef __USE_BSD
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/* Set file access permissions for FILE to MODE.
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If FILE is a symbolic link, this affects the link itself
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rather than its target. */
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extern int lchmod (__const char *__file, __mode_t __mode) __THROW;
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extern int lchmod (__const char *__file, __mode_t __mode)
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__THROW __nonnull ((1));
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#endif
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/* Set file access permissions of the file FD is open on to MODE. */
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@ -275,19 +281,21 @@ extern __mode_t getumask (void) __THROW;
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#endif
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/* Create a new directory named PATH, with permission bits MODE. */
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extern int mkdir (__const char *__path, __mode_t __mode) __THROW;
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extern int mkdir (__const char *__path, __mode_t __mode)
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__THROW __nonnull ((1));
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/* Create a device file named PATH, with permission and special bits MODE
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and device number DEV (which can be constructed from major and minor
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device numbers with the `makedev' macro above). */
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#if defined __USE_MISC || defined __USE_BSD || defined __USE_XOPEN_EXTENDED
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extern int mknod (__const char *__path, __mode_t __mode, __dev_t __dev)
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__THROW;
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__THROW __nonnull ((1));
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#endif
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/* Create a new FIFO named PATH, with permission bits MODE. */
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extern int mkfifo (__const char *__path, __mode_t __mode) __THROW;
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extern int mkfifo (__const char *__path, __mode_t __mode)
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__THROW __nonnull ((1));
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/* To allow the `struct stat' structure and the file type `mode_t'
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bits to vary without changing shared library major version number,
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@ -313,19 +321,23 @@ extern int mkfifo (__const char *__path, __mode_t __mode) __THROW;
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/* Wrappers for stat and mknod system calls. */
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#ifndef __USE_FILE_OFFSET64
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extern int __fxstat (int __ver, int __fildes, struct stat *__stat_buf) __THROW;
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extern int __fxstat (int __ver, int __fildes, struct stat *__stat_buf)
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__THROW __nonnull ((3));
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extern int __xstat (int __ver, __const char *__filename,
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struct stat *__stat_buf) __THROW;
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struct stat *__stat_buf) __THROW __nonnull ((2, 3));
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extern int __lxstat (int __ver, __const char *__filename,
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struct stat *__stat_buf) __THROW;
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struct stat *__stat_buf) __THROW __nonnull ((2, 3));
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#else
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# ifdef __REDIRECT_NTH
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extern int __REDIRECT_NTH (__fxstat, (int __ver, int __fildes,
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struct stat *__stat_buf), __fxstat64);
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struct stat *__stat_buf), __fxstat64)
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__nonnull ((3));
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extern int __REDIRECT_NTH (__xstat, (int __ver, __const char *__filename,
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struct stat *__stat_buf), __xstat64);
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struct stat *__stat_buf), __xstat64)
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__nonnull ((2, 3));
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extern int __REDIRECT_NTH (__lxstat, (int __ver, __const char *__filename,
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struct stat *__stat_buf), __lxstat64);
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struct stat *__stat_buf), __lxstat64)
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__nonnull ((2, 3));
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# else
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# define __fxstat __fxstat64
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@ -336,14 +348,14 @@ extern int __REDIRECT_NTH (__lxstat, (int __ver, __const char *__filename,
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#ifdef __USE_LARGEFILE64
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extern int __fxstat64 (int __ver, int __fildes, struct stat64 *__stat_buf)
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__THROW;
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__THROW __nonnull ((3));
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extern int __xstat64 (int __ver, __const char *__filename,
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struct stat64 *__stat_buf) __THROW;
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struct stat64 *__stat_buf) __THROW __nonnull ((2, 3));
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extern int __lxstat64 (int __ver, __const char *__filename,
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struct stat64 *__stat_buf) __THROW;
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struct stat64 *__stat_buf) __THROW __nonnull ((2, 3));
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#endif
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extern int __xmknod (int __ver, __const char *__path, __mode_t __mode,
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__dev_t *__dev) __THROW;
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__dev_t *__dev) __THROW __nonnull ((2, 4));
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#if defined __GNUC__ && __GNUC__ >= 2
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/* Inlined versions of the real stat and mknod functions. */
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@ -29,34 +29,38 @@ __BEGIN_DECLS
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/* Return information about the filesystem on which FILE resides. */
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#ifndef __USE_FILE_OFFSET64
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extern int statfs (__const char *__file, struct statfs *__buf) __THROW;
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extern int statfs (__const char *__file, struct statfs *__buf)
|
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__THROW __nonnull ((1, 2));
|
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#else
|
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# ifdef __REDIRECT_NTH
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extern int __REDIRECT_NTH (statfs,
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(__const char *__file, struct statfs *__buf),
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statfs64);
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statfs64) __nonnull ((1, 2));
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# else
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# define statfs statfs64
|
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# endif
|
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#endif
|
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#ifdef __USE_LARGEFILE64
|
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extern int statfs64 (__const char *__file, struct statfs64 *__buf) __THROW;
|
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extern int statfs64 (__const char *__file, struct statfs64 *__buf)
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__THROW __nonnull ((1, 2));
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#endif
|
||||
|
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/* Return information about the filesystem containing the file FILDES
|
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refers to. */
|
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#ifndef __USE_FILE_OFFSET64
|
||||
extern int fstatfs (int __fildes, struct statfs *__buf) __THROW;
|
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extern int fstatfs (int __fildes, struct statfs *__buf)
|
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__THROW __nonnull ((2));
|
||||
#else
|
||||
# ifdef __REDIRECT_NTH
|
||||
extern int __REDIRECT_NTH (fstatfs, (int __fildes, struct statfs *__buf),
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fstatfs64);
|
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fstatfs64) __nonnull ((2));
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# else
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# define fstatfs fstatfs64
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# endif
|
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#endif
|
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#ifdef __USE_LARGEFILE64
|
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extern int fstatfs64 (int __fildes, struct statfs64 *__buf) __THROW;
|
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extern int fstatfs64 (int __fildes, struct statfs64 *__buf)
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__THROW __nonnull ((2));
|
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#endif
|
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|
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__END_DECLS
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|
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@ -50,35 +50,40 @@ __BEGIN_DECLS
|
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/* Return information about the filesystem on which FILE resides. */
|
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#ifndef __USE_FILE_OFFSET64
|
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extern int statvfs (__const char *__restrict __file,
|
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struct statvfs *__restrict __buf) __THROW;
|
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struct statvfs *__restrict __buf)
|
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__THROW __nonnull ((1, 2));
|
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#else
|
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# ifdef __REDIRECT_NTH
|
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extern int __REDIRECT_NTH (statvfs,
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(__const char *__restrict __file,
|
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struct statvfs *__restrict __buf), statvfs64);
|
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struct statvfs *__restrict __buf), statvfs64)
|
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__nonnull ((1, 2));
|
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# else
|
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# define statvfs statvfs64
|
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# endif
|
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#endif
|
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#ifdef __USE_LARGEFILE64
|
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extern int statvfs64 (__const char *__restrict __file,
|
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struct statvfs64 *__restrict __buf) __THROW;
|
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struct statvfs64 *__restrict __buf)
|
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__THROW __nonnull ((1, 2));
|
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#endif
|
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|
||||
/* Return information about the filesystem containing the file FILDES
|
||||
refers to. */
|
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#ifndef __USE_FILE_OFFSET64
|
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extern int fstatvfs (int __fildes, struct statvfs *__buf) __THROW;
|
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extern int fstatvfs (int __fildes, struct statvfs *__buf)
|
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__THROW __nonnull ((2));
|
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#else
|
||||
# ifdef __REDIRECT_NTH
|
||||
extern int __REDIRECT_NTH (fstatvfs, (int __fildes, struct statvfs *__buf),
|
||||
fstatvfs64);
|
||||
fstatvfs64) __nonnull ((2));
|
||||
# else
|
||||
# define fstatvfs fstatvfs64
|
||||
# endif
|
||||
#endif
|
||||
#ifdef __USE_LARGEFILE64
|
||||
extern int fstatvfs64 (int __fildes, struct statvfs64 *__buf) __THROW;
|
||||
extern int fstatvfs64 (int __fildes, struct statvfs64 *__buf)
|
||||
__THROW __nonnull ((2));
|
||||
#endif
|
||||
|
||||
__END_DECLS
|
||||
|
||||
@ -44,7 +44,8 @@ struct utimbuf
|
||||
/* Set the access and modification times of FILE to those given in
|
||||
*FILE_TIMES. If FILE_TIMES is NULL, set them to the current time. */
|
||||
extern int utime (__const char *__file,
|
||||
__const struct utimbuf *__file_times) __THROW;
|
||||
__const struct utimbuf *__file_times)
|
||||
__THROW __nonnull ((1, 2));
|
||||
|
||||
__END_DECLS
|
||||
|
||||
|
||||
@ -242,6 +242,14 @@
|
||||
# define __attribute_format_strfmon__(a,b) /* Ignore */
|
||||
#endif
|
||||
|
||||
/* The nonull function attribute allows to mark pointer parameters which
|
||||
must not be NULL. */
|
||||
#if __GNUC_PREREQ (3,3)
|
||||
# define __nonnull(params) __attribute__ ((__nonnull__ params))
|
||||
#else
|
||||
# define __nonnull(params)
|
||||
#endif
|
||||
|
||||
/* It is possible to compile containing GCC extensions even if GCC is
|
||||
run in pedantic mode if the uses are carefully marked using the
|
||||
`__extension__' keyword. But this is not generally available before
|
||||
|
||||
@ -253,12 +253,13 @@ typedef __socklen_t socklen_t;
|
||||
#define F_OK 0 /* Test for existence. */
|
||||
|
||||
/* Test for access to NAME using the real UID and real GID. */
|
||||
extern int access (__const char *__name, int __type) __THROW;
|
||||
extern int access (__const char *__name, int __type) __THROW __nonnull ((1));
|
||||
|
||||
#ifdef __USE_GNU
|
||||
/* Test for access to NAME using the effective UID and GID
|
||||
(as normal file operations use). */
|
||||
extern int euidaccess (__const char *__name, int __type) __THROW;
|
||||
extern int euidaccess (__const char *__name, int __type)
|
||||
__THROW __nonnull ((1));
|
||||
#endif
|
||||
|
||||
|
||||
@ -415,7 +416,7 @@ extern int pause (void);
|
||||
|
||||
/* Change the owner and group of FILE. */
|
||||
extern int chown (__const char *__file, __uid_t __owner, __gid_t __group)
|
||||
__THROW;
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
|
||||
/* Change the owner and group of the file that FD is open on. */
|
||||
@ -425,12 +426,12 @@ extern int fchown (int __fd, __uid_t __owner, __gid_t __group) __THROW;
|
||||
/* Change owner and group of FILE, if it is a symbolic
|
||||
link the ownership of the symbolic link is changed. */
|
||||
extern int lchown (__const char *__file, __uid_t __owner, __gid_t __group)
|
||||
__THROW;
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
#endif /* Use BSD || X/Open Unix. */
|
||||
|
||||
/* Change the process's working directory to PATH. */
|
||||
extern int chdir (__const char *__path) __THROW;
|
||||
extern int chdir (__const char *__path) __THROW __nonnull ((1));
|
||||
|
||||
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
|
||||
/* Change the process's working directory to the one FD is open on. */
|
||||
@ -457,7 +458,7 @@ extern char *get_current_dir_name (void) __THROW;
|
||||
/* Put the absolute pathname of the current working directory in BUF.
|
||||
If successful, return BUF. If not, put an error message in
|
||||
BUF and return NULL. BUF should be at least PATH_MAX bytes long. */
|
||||
extern char *getwd (char *__buf) __THROW;
|
||||
extern char *getwd (char *__buf) __THROW __nonnull ((1));
|
||||
#endif
|
||||
|
||||
|
||||
@ -477,7 +478,7 @@ extern char **environ;
|
||||
/* Replace the current process, executing PATH with arguments ARGV and
|
||||
environment ENVP. ARGV and ENVP are terminated by NULL pointers. */
|
||||
extern int execve (__const char *__path, char *__const __argv[],
|
||||
char *__const __envp[]) __THROW;
|
||||
char *__const __envp[]) __THROW __nonnull ((1));
|
||||
|
||||
#ifdef __USE_GNU
|
||||
/* Execute the file FD refers to, overlaying the running program image.
|
||||
@ -488,24 +489,29 @@ extern int fexecve (int __fd, char *__const __argv[], char *__const __envp[])
|
||||
|
||||
|
||||
/* Execute PATH with arguments ARGV and environment from `environ'. */
|
||||
extern int execv (__const char *__path, char *__const __argv[]) __THROW;
|
||||
extern int execv (__const char *__path, char *__const __argv[])
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
/* Execute PATH with all arguments after PATH until a NULL pointer,
|
||||
and the argument after that for environment. */
|
||||
extern int execle (__const char *__path, __const char *__arg, ...) __THROW;
|
||||
extern int execle (__const char *__path, __const char *__arg, ...)
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
/* Execute PATH with all arguments after PATH until
|
||||
a NULL pointer and environment from `environ'. */
|
||||
extern int execl (__const char *__path, __const char *__arg, ...) __THROW;
|
||||
extern int execl (__const char *__path, __const char *__arg, ...)
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
/* Execute FILE, searching in the `PATH' environment variable if it contains
|
||||
no slashes, with arguments ARGV and environment from `environ'. */
|
||||
extern int execvp (__const char *__file, char *__const __argv[]) __THROW;
|
||||
extern int execvp (__const char *__file, char *__const __argv[])
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
/* Execute FILE, searching in the `PATH' environment variable if
|
||||
it contains no slashes, with all arguments after FILE until a
|
||||
NULL pointer and environment from `environ'. */
|
||||
extern int execlp (__const char *__file, __const char *__arg, ...) __THROW;
|
||||
extern int execlp (__const char *__file, __const char *__arg, ...)
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
|
||||
#if defined __USE_MISC || defined __USE_XOPEN
|
||||
@ -524,7 +530,8 @@ extern void _exit (int __status) __attribute__ ((__noreturn__));
|
||||
#include <bits/confname.h>
|
||||
|
||||
/* Get file-specific configuration information about PATH. */
|
||||
extern long int pathconf (__const char *__path, int __name) __THROW;
|
||||
extern long int pathconf (__const char *__path, int __name)
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
/* Get file-specific configuration about descriptor FD. */
|
||||
extern long int fpathconf (int __fd, int __name) __THROW;
|
||||
@ -702,7 +709,8 @@ extern char *ttyname (int __fd) __THROW;
|
||||
|
||||
/* Store at most BUFLEN characters of the pathname of the terminal FD is
|
||||
open on in BUF. Return 0 on success, otherwise an error number. */
|
||||
extern int ttyname_r (int __fd, char *__buf, size_t __buflen) __THROW;
|
||||
extern int ttyname_r (int __fd, char *__buf, size_t __buflen)
|
||||
__THROW __nonnull ((2));
|
||||
|
||||
/* Return 1 if FD is a valid descriptor associated
|
||||
with a terminal, zero if not. */
|
||||
@ -717,24 +725,26 @@ extern int ttyslot (void) __THROW;
|
||||
|
||||
|
||||
/* Make a link to FROM named TO. */
|
||||
extern int link (__const char *__from, __const char *__to) __THROW;
|
||||
extern int link (__const char *__from, __const char *__to)
|
||||
__THROW __nonnull ((1, 2));
|
||||
|
||||
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
|
||||
/* Make a symbolic link to FROM named TO. */
|
||||
extern int symlink (__const char *__from, __const char *__to) __THROW;
|
||||
extern int symlink (__const char *__from, __const char *__to)
|
||||
__THROW __nonnull ((1, 2));
|
||||
|
||||
/* Read the contents of the symbolic link PATH into no more than
|
||||
LEN bytes of BUF. The contents are not null-terminated.
|
||||
Returns the number of characters read, or -1 for errors. */
|
||||
extern int readlink (__const char *__restrict __path, char *__restrict __buf,
|
||||
size_t __len) __THROW;
|
||||
size_t __len) __THROW __nonnull ((1, 2));
|
||||
#endif /* Use BSD. */
|
||||
|
||||
/* Remove the link NAME. */
|
||||
extern int unlink (__const char *__name) __THROW;
|
||||
extern int unlink (__const char *__name) __THROW __nonnull ((1));
|
||||
|
||||
/* Remove the directory PATH. */
|
||||
extern int rmdir (__const char *__path) __THROW;
|
||||
extern int rmdir (__const char *__path) __THROW __nonnull ((1));
|
||||
|
||||
|
||||
/* Return the foreground process group ID of FD. */
|
||||
@ -756,12 +766,12 @@ extern char *getlogin (void);
|
||||
|
||||
This function is a possible cancellation points and therefore not
|
||||
marked with __THROW. */
|
||||
extern int getlogin_r (char *__name, size_t __name_len);
|
||||
extern int getlogin_r (char *__name, size_t __name_len) __nonnull ((1));
|
||||
#endif
|
||||
|
||||
#ifdef __USE_BSD
|
||||
/* Set the login name returned by `getlogin'. */
|
||||
extern int setlogin (__const char *__name) __THROW;
|
||||
extern int setlogin (__const char *__name) __THROW __nonnull ((1));
|
||||
#endif
|
||||
|
||||
|
||||
@ -778,14 +788,15 @@ extern int setlogin (__const char *__name) __THROW;
|
||||
/* Put the name of the current host in no more than LEN bytes of NAME.
|
||||
The result is null-terminated if LEN is large enough for the full
|
||||
name and the terminator. */
|
||||
extern int gethostname (char *__name, size_t __len) __THROW;
|
||||
extern int gethostname (char *__name, size_t __len) __THROW __nonnull ((1));
|
||||
#endif
|
||||
|
||||
|
||||
#if defined __USE_BSD || (defined __USE_XOPEN && !defined __USE_UNIX98)
|
||||
/* Set the name of the current host to NAME, which is LEN bytes long.
|
||||
This call is restricted to the super-user. */
|
||||
extern int sethostname (__const char *__name, size_t __len) __THROW;
|
||||
extern int sethostname (__const char *__name, size_t __len)
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
/* Set the current machine's Internet number to ID.
|
||||
This call is restricted to the super-user. */
|
||||
@ -795,8 +806,10 @@ extern int sethostid (long int __id) __THROW;
|
||||
/* Get and set the NIS (aka YP) domain name, if any.
|
||||
Called just like `gethostname' and `sethostname'.
|
||||
The NIS domain name is usually the empty string when not using NIS. */
|
||||
extern int getdomainname (char *__name, size_t __len) __THROW;
|
||||
extern int setdomainname (__const char *__name, size_t __len) __THROW;
|
||||
extern int getdomainname (char *__name, size_t __len)
|
||||
__THROW __nonnull ((1));
|
||||
extern int setdomainname (__const char *__name, size_t __len)
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
|
||||
/* Revoke access permissions to all processes currently communicating
|
||||
@ -805,7 +818,7 @@ extern int setdomainname (__const char *__name, size_t __len) __THROW;
|
||||
extern int vhangup (void) __THROW;
|
||||
|
||||
/* Revoke the access of all descriptors currently open on FILE. */
|
||||
extern int revoke (__const char *__file) __THROW;
|
||||
extern int revoke (__const char *__file) __THROW __nonnull ((1));
|
||||
|
||||
|
||||
/* Enable statistical profiling, writing samples of the PC into at most
|
||||
@ -814,13 +827,14 @@ extern int revoke (__const char *__file) __THROW;
|
||||
SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero,
|
||||
disable profiling. Returns zero on success, -1 on error. */
|
||||
extern int profil (unsigned short int *__sample_buffer, size_t __size,
|
||||
size_t __offset, unsigned int __scale) __THROW;
|
||||
size_t __offset, unsigned int __scale)
|
||||
__THROW __nonnull ((1));
|
||||
|
||||
|
||||
/* Turn accounting on if NAME is an existing file. The system will then write
|
||||
a record for each process as it terminates, to this file. If NAME is NULL,
|
||||
turn accounting off. This call is restricted to the super-user. */
|
||||
extern int acct (__const char *__name) __THROW;
|
||||
extern int acct (__const char *__name) __THROW __nonnull ((1));
|
||||
|
||||
|
||||
/* Successive calls return the shells listed in `/etc/shells'. */
|
||||
@ -839,11 +853,11 @@ extern int daemon (int __nochdir, int __noclose) __THROW;
|
||||
#if defined __USE_BSD || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
|
||||
/* Make PATH be the root directory (the starting point for absolute paths).
|
||||
This call is restricted to the super-user. */
|
||||
extern int chroot (__const char *__path) __THROW;
|
||||
extern int chroot (__const char *__path) __THROW __nonnull ((1));
|
||||
|
||||
/* Prompt with PROMPT and read a string from the terminal without echoing.
|
||||
Uses /dev/tty if possible; otherwise stderr and stdin. */
|
||||
extern char *getpass (__const char *__prompt);
|
||||
extern char *getpass (__const char *__prompt) __nonnull ((1));
|
||||
#endif /* Use BSD || X/Open. */
|
||||
|
||||
|
||||
@ -872,18 +886,20 @@ extern int getpagesize (void) __THROW __attribute__ ((__const__));
|
||||
|
||||
/* Truncate FILE to LENGTH bytes. */
|
||||
# ifndef __USE_FILE_OFFSET64
|
||||
extern int truncate (__const char *__file, __off_t __length) __THROW;
|
||||
extern int truncate (__const char *__file, __off_t __length)
|
||||
__THROW __nonnull ((1));
|
||||
# else
|
||||
# ifdef __REDIRECT_NTH
|
||||
extern int __REDIRECT_NTH (truncate,
|
||||
(__const char *__file, __off64_t __length),
|
||||
truncate64);
|
||||
truncate64) __nonnull ((1));
|
||||
# else
|
||||
# define truncate truncate64
|
||||
# endif
|
||||
# endif
|
||||
# ifdef __USE_LARGEFILE64
|
||||
extern int truncate64 (__const char *__file, __off64_t __length) __THROW;
|
||||
extern int truncate64 (__const char *__file, __off64_t __length)
|
||||
__THROW __nonnull ((1));
|
||||
# endif
|
||||
|
||||
/* Truncate the file FD is open on to LENGTH bytes. */
|
||||
@ -996,11 +1012,12 @@ extern int fdatasync (int __fildes) __THROW;
|
||||
be defined here. */
|
||||
#ifdef __USE_XOPEN
|
||||
/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
|
||||
extern char *crypt (__const char *__key, __const char *__salt) __THROW;
|
||||
extern char *crypt (__const char *__key, __const char *__salt)
|
||||
__THROW __nonnull ((1, 2));
|
||||
|
||||
/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
|
||||
block in place. */
|
||||
extern void encrypt (char *__block, int __edflag) __THROW;
|
||||
extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1));
|
||||
|
||||
|
||||
/* Swab pairs bytes in the first N bytes of the area pointed to by
|
||||
@ -1008,7 +1025,7 @@ extern void encrypt (char *__block, int __edflag) __THROW;
|
||||
range [FROM - N + 1, FROM - 1]. If N is odd the first byte in FROM
|
||||
is without partner. */
|
||||
extern void swab (__const void *__restrict __from, void *__restrict __to,
|
||||
ssize_t __n) __THROW;
|
||||
ssize_t __n) __THROW __nonnull ((1, 2));
|
||||
#endif
|
||||
|
||||
|
||||
@ -1016,7 +1033,7 @@ extern void swab (__const void *__restrict __from, void *__restrict __to,
|
||||
It is also found in <stdio.h>. */
|
||||
#ifdef __USE_XOPEN
|
||||
/* Return the name of the controlling terminal. */
|
||||
extern char *ctermid (char *__s) __THROW;
|
||||
extern char *ctermid (char *__s) __THROW __nonnull ((1));
|
||||
#endif
|
||||
|
||||
__END_DECLS
|
||||
|
||||
Loading…
Reference in New Issue
Block a user