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author | Ulrich Drepper <drepper@redhat.com> | 2005-11-11 20:02:07 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-11-11 20:02:07 +0000 |
commit | 26cec518ac1aa45492d8668eed3af920d866b32b (patch) | |
tree | 2ea1cb85f2209160ba5b3d974297110253dac009 /sysdeps/unix/sysv/linux/wordsize-64 | |
parent | 4973cbe599b0ddc97306eb8bb23bd2104c89a565 (diff) | |
download | glibc-26cec518ac1aa45492d8668eed3af920d866b32b.zip glibc-26cec518ac1aa45492d8668eed3af920d866b32b.tar.gz glibc-26cec518ac1aa45492d8668eed3af920d866b32b.tar.bz2 |
* io/Makefile (routines): Add fstatat, fstatat64, fxstatat, fxstatat64,
fchownat, and unlinkat.
(static-only-routines): Add fstatat and fstatat64.
(tests): Add tst-unlinkat, tst-fstatat, tst-futimesat, tst-renameat,
and tst-fchownat.
* io/Versions [GLIBC_2.4]: Add fchownat, __fxstatat, __fxstatat64,
and unlinkat.
* io/fcntl.h: Define AT_FDCWD, AT_SYMLINK_NOFOLLOW, and AT_REMOVEDIR.
* io/fstatat.c: New file.
* io/fstatat64.c: New file.
* io/sys/stat.h: Declare fstatat, fstatat64, __fxstatat, __fxstatat64
and define fstatat and fstatat64 inline functions.
* libio/stdio.h: Declare renameat.
* misc/Makefile (routines): Add futimesat.
* misc/Versions [GLIBC_2.4]: Add futimesat.
* posix/unistd.h: Declare fchownat and unlinkat.
* stdio-common/Makefile (routines): Add renameat.
* stdio-common/Versions [GLIBC_2.4]: Add renameat.
* sysdeps/generic/fchownat.c: New file.
* sysdeps/generic/futimesat.c: New file.
* sysdeps/generic/fxstatat.c: New file.
* sysdeps/generic/fxstatat64.c: New file.
* sysdeps/generic/renameat.c: New file.
* sysdeps/generic/unlinkat.c: New file.
* sysdeps/unix/sysv/linux/fchownat.c: New file.
* sysdeps/unix/sysv/linux/futimesat.c: New file.
* sysdeps/unix/sysv/linux/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/fxstatat64.c: New file.
* sysdeps/unix/sysv/linux/renameat.c: New file.
* sysdeps/unix/sysv/linux/unlinkat.c: New file.
* sysdeps/unix/sysv/linux/alpha/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/i386/fchownat.c: New file.
* sysdeps/unix/sysv/linux/i386/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/m68k/fchownat.c: New file.
* sysdeps/unix/sysv/linux/m68k/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/powerpc/fchownat.c: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c: New file.
* sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/sh/fchownat.c: New file.
* sysdeps/unix/sysv/linux/sh/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc32/fchownat.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc32/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c: New file.
* sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c: New file.
* time/sys/time.h: Declare futimesat.
* include/fcntl.h: Declare __atfct_seterrno.
* sysdeps/unix/sysv/linux/openat.c (__atfct_seterrno): New function.
Split out from openat code and called.
(do_test): Allow openat to fail with ENOSYS. Handle AT_FDCWD.
* sysdeps/generic/openat.c: Handle AT_FDCWD.
* sysdeps/generic/openat64.c: Likewise.
* io/tst-unlinkat.c: New file.
* io/tst-fstatat.c: New file.
* io/tst-futimesat.c: New file.
* io/tst-renameat.c: New file.
* io/tst-fchownat.c: New file.
* io/tst-openat.c: Don't fail if openat is not implemented.
* sysdeps/unix/sysv/linux/powerpc/chown.c: Don't provide backward
compatibility code if new kernel is guaranteed.
* time/sys/time.h: Add a few nonnull attributes.
Diffstat (limited to 'sysdeps/unix/sysv/linux/wordsize-64')
-rw-r--r-- | sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c | 78 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c | 1 |
2 files changed, 79 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c new file mode 100644 index 0000000..70e7357 --- /dev/null +++ b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c @@ -0,0 +1,78 @@ +/* Copyright (C) 2005 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. */ + +/* Ho hum, since fxstatat == fxstatat64 we must get rid of the + prototype or gcc will complain since they don't strictly match. */ +#define __fxstatat64 __fxstatat64_disable + +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <stdio.h> +#include <sys/stat.h> + +#include <sysdep.h> +#include <sys/syscall.h> +#include <bp-checks.h> + +/* Get information about the file NAME relative to FD in ST. */ +int +__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) +{ + if ((vers != _STAT_VER_KERNEL && vers != _STAT_VER_LINUX) + || (flag & ~AT_SYMLINK_NOFOLLOW) != 0) + { + __set_errno (EINVAL); + return -1; + } + + char *buf = NULL; + + if (fd != AT_FDCWD && file[0] != '/') + { + size_t filelen = strlen (file); + static const char procfd[] = "/proc/self/fd/%d/%s"; + /* Buffer for the path name we are going to use. It consists of + - the string /proc/self/fd/ + - the file descriptor number + - the file name provided. + The final NUL is included in the sizeof. A bit of overhead + due to the format elements compensates for possible negative + numbers. */ + size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; + buf = alloca (buflen); + + __snprintf (buf, buflen, procfd, fd, file); + file = buf; + } + + INTERNAL_SYSCALL_DECL (err); + int res; + + if (flag & AT_SYMLINK_NOFOLLOW) + res = INTERNAL_SYSCALL (lstat, err, 2, file, CHECK_1 (st)); + else + res = INTERNAL_SYSCALL (stat, err, 2, file, CHECK_1 (st)); + + if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0)) + __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (res, err), fd, buf); + + return res; +} +#undef __fxstatat64 +strong_alias (__fxstatat, __fxstatat64); diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c new file mode 100644 index 0000000..05e7f41 --- /dev/null +++ b/sysdeps/unix/sysv/linux/wordsize-64/fxstatat64.c @@ -0,0 +1 @@ +/* fxstatat64 is in fxstatat.c */ |