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d369ad760d
2006-02-12 Ulrich Drepper <drepper@redhat.com> * io/ftw.c: Start using *at functions. * io/ftw64.c: Likewise. * sysdeps/generic/not-cancel.h: Define openat_not_cancel, openat_not_cancel_3, openat64_not_cancel, and openat64_not_cancel_3. * sysdeps/unix/sysv/linux/not-cancel.h: Likewise. * sysdeps/unix/sysv/linux/openat.c: Create separate _nocancel functions. * io/fxstatat.c: Add __fxstatat alias. * sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: Likewise. * sysdeps/unix/sysv/linux/fxstatat.c: Likewise. Add support for newfstatat syscall. * sysdeps/unix/sysv/linux/i386/fxstatat.c: Add __fxstatat alias. Add support for fstatat64 syscall. * include/sys/stat.h: Declare __fxstatat. * io/fxstatat64.c: Add __fxstatat64 alias. * sysdeps/unix/sysv/linux/fxstatat64.c: Add support for fstatat64 syscall. * dirent/fdopendir.c: Add __fdopendir alias. * sysdeps/unix/fdopendir.c: Likewise. * sysdeps/mach/hurd/fdopendir.c: Likewise. * include/dirent.h: Add __fdopendir declaration. [BZ #2226] * libio/wgenops.c (_IO_wsetb): Use correct size of wide char buffer in FREE_BUF call.
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* Copyright (C) 2005, 2006 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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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <not-cancel.h>
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DIR *
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__fdopendir (int fd)
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{
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struct stat64 statbuf;
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if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &statbuf), 0) < 0)
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return NULL;
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if (__builtin_expect (! S_ISDIR (statbuf.st_mode), 0))
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{
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__set_errno (ENOTDIR);
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return NULL;
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}
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/* Make sure the descriptor allows for reading. */
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int flags = __fcntl (fd, F_GETFL);
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if (__builtin_expect (flags == -1, 0))
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return NULL;
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if (__builtin_expect ((flags & O_ACCMODE) == O_WRONLY, 0))
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{
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__set_errno (EINVAL);
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return NULL;
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}
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return __alloc_dir (fd, false, &statbuf);
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}
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weak_alias (__fdopendir, fdopendir)
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