On Thu, 23 Jul 2020 16:46:37 -0300
Adhemerval Zanella <adhemerval.zanella@linaro.org> wrote:

> Both fstatat and fstata64 calls the old fxstatat and fxstatat64
> repectivelly with _STAT_VER, the one currently exported as default
> for all ABIs.
> 
> Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Lukasz Majewski <lukma@denx.de>

> ---
>  sysdeps/unix/sysv/linux/fstat.c     | 31 +++++++++++++++++++++++
>  sysdeps/unix/sysv/linux/fstat64.c   | 38
> +++++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/fstatat.c   |
> 30 +++++++++++++++++++++++ sysdeps/unix/sysv/linux/fstatat64.c | 38
> +++++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/lstat.c     |
> 31 +++++++++++++++++++++++ sysdeps/unix/sysv/linux/lstat64.c   | 38
> +++++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/stat.c      |
> 31 +++++++++++++++++++++++ sysdeps/unix/sysv/linux/stat64.c    | 38
> +++++++++++++++++++++++++++++ 8 files changed, 275 insertions(+)
>  create mode 100644 sysdeps/unix/sysv/linux/fstat.c
>  create mode 100644 sysdeps/unix/sysv/linux/fstat64.c
>  create mode 100644 sysdeps/unix/sysv/linux/fstatat.c
>  create mode 100644 sysdeps/unix/sysv/linux/fstatat64.c
>  create mode 100644 sysdeps/unix/sysv/linux/lstat.c
>  create mode 100644 sysdeps/unix/sysv/linux/lstat64.c
>  create mode 100644 sysdeps/unix/sysv/linux/stat.c
>  create mode 100644 sysdeps/unix/sysv/linux/stat64.c
> 
> diff --git a/sysdeps/unix/sysv/linux/fstat.c
> b/sysdeps/unix/sysv/linux/fstat.c new file mode 100644
> index 0000000000..bdbeded956
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/fstat.c
> @@ -0,0 +1,31 @@
> +/* Get file status.  Linux version.
> +   Copyright (C) 2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#include <sys/stat.h>
> +#include <kernel_stat.h>
> +#include <fcntl.h>
> +
> +#if !XSTAT_IS_XSTAT64
> +int
> +__fstat (int fd, struct stat *buf)
> +{
> +  return __fstatat (fd, "", buf, AT_EMPTY_PATH);
> +}
> +
> +weak_alias (__fstat, fstat)
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/fstat64.c
> b/sysdeps/unix/sysv/linux/fstat64.c new file mode 100644
> index 0000000000..c2ff1ff577
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/fstat64.c
> @@ -0,0 +1,38 @@
> +/* Get file status.  Linux version.
> +   Copyright (C) 2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#define __fstat __redirect___fstat
> +#define fstat   __redirect_fstat
> +#include <sys/stat.h>
> +#undef __fstat
> +#undef fstat
> +#include <fcntl.h>
> +#include <kernel_stat.h>
> +
> +int
> +__fstat64 (int fd, struct stat64 *buf)
> +{
> +  return __fstatat64 (fd, "", buf, AT_EMPTY_PATH);
> +}
> +hidden_def (__fstat64)
> +weak_alias (__fstat64, fstat64)
> +
> +#if XSTAT_IS_XSTAT64
> +strong_alias (__fstat64, __fstat)
> +weak_alias (__fstat64, fstat)
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/fstatat.c
> b/sysdeps/unix/sysv/linux/fstatat.c new file mode 100644
> index 0000000000..457496605c
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/fstatat.c
> @@ -0,0 +1,30 @@
> +/* Get file status.  Linux version.
> +   Copyright (C) 2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#include <sys/stat.h>
> +#include <kernel_stat.h>
> +
> +#if !XSTAT_IS_XSTAT64
> +int
> +__fstatat (int fd, const char *file, struct stat *buf, int flag)
> +{
> +  return __fxstatat (_STAT_VER, fd, file, buf, flag);
> +}
> +
> +weak_alias (__fstatat, fstatat)
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/fstatat64.c
> b/sysdeps/unix/sysv/linux/fstatat64.c new file mode 100644
> index 0000000000..46487919e6
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/fstatat64.c
> @@ -0,0 +1,38 @@
> +/* Get file status.  Linux version.
> +   Copyright (C) 2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#define __fstatat __redirect___fstatat
> +#define fstatat   __redirect_fstatat
> +#include <sys/stat.h>
> +#undef __fstatat
> +#undef fstatat
> +#include <kernel_stat.h>
> +
> +int
> +__fstatat64 (int fd, const char *file, struct stat64 *buf, int flag)
> +{
> +  return __fxstatat64 (_STAT_VER, fd, file, buf, flag);
> +}
> +hidden_def (__fstatat64)
> +weak_alias (__fstatat64, fstatat64)
> +
> +#if XSTAT_IS_XSTAT64
> +strong_alias (__fstatat64, __fstatat)
> +weak_alias (__fstatat64, fstatat)
> +strong_alias (__fstatat64, __GI___fstatat);
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/lstat.c
> b/sysdeps/unix/sysv/linux/lstat.c new file mode 100644
> index 0000000000..b0bdeee9e9
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/lstat.c
> @@ -0,0 +1,31 @@
> +/* Get file status.  Linux version.
> +   Copyright (C) 2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <kernel_stat.h>
> +
> +#if !XSTAT_IS_XSTAT64
> +int
> +__lstat (const char *file, struct stat *buf)
> +{
> +  return __fstatat (AT_FDCWD, file, buf, AT_SYMLINK_NOFOLLOW);
> +}
> +
> +weak_alias (__lstat, lstat)
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/lstat64.c
> b/sysdeps/unix/sysv/linux/lstat64.c new file mode 100644
> index 0000000000..e5f02e9822
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/lstat64.c
> @@ -0,0 +1,38 @@
> +/* Get file status.
> +   Copyright (C) 1996-2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#define __lstat __redirect___lstat
> +#define lstat   __redirect_lstat
> +#include <sys/stat.h>
> +#undef __lstat
> +#undef lstat
> +#include <fcntl.h>
> +#include <kernel_stat.h>
> +
> +int
> +__lstat64 (const char *file, struct stat64 *buf)
> +{
> +  return __fstatat64 (AT_FDCWD, file, buf, AT_SYMLINK_NOFOLLOW);
> +}
> +hidden_def (__lstat64)
> +weak_alias (__lstat64, lstat64)
> +
> +#if XSTAT_IS_XSTAT64
> +strong_alias (__lstat64, __lstat)
> +weak_alias (__lstat64, lstat)
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/stat.c
> b/sysdeps/unix/sysv/linux/stat.c new file mode 100644
> index 0000000000..a77502eb95
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/stat.c
> @@ -0,0 +1,31 @@
> +/* Get file status.  Linux version.
> +   Copyright (C) 2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <kernel_stat.h>
> +
> +#if !XSTAT_IS_XSTAT64
> +int
> +__stat (const char *file, struct stat *buf)
> +{
> +  return __fstatat (AT_FDCWD, file, buf, 0);
> +}
> +
> +weak_alias (__stat, stat)
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/stat64.c
> b/sysdeps/unix/sysv/linux/stat64.c new file mode 100644
> index 0000000000..2f40037c2c
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/stat64.c
> @@ -0,0 +1,38 @@
> +/* Get file status.  Linux version.
> +   Copyright (C) 2020 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, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#define __stat __redirect___stat
> +#define stat   __redirect_stat
> +#include <sys/stat.h>
> +#undef __stat
> +#undef stat
> +#include <fcntl.h>
> +#include <kernel_stat.h>
> +
> +int
> +__stat64 (const char *file, struct stat64 *buf)
> +{
> +  return __fstatat64 (AT_FDCWD, file, buf, 0);
> +}
> +hidden_def (__stat64)
> +weak_alias (__stat64, stat64)
> +
> +#if XSTAT_IS_XSTAT64
> +strong_alias (__stat64, __stat)
> +weak_alias (__stat64, stat)
> +#endif




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de