From 1001abfa14d5289236dcca740ab72ec4d1fa5352 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Netto Date: Wed, 19 Oct 2022 19:14:07 -0300 Subject: Linux: consolidate chown implementation Use chown syscall if defined, otherwise use fchownat. Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell Tested-by: Carlos O'Donell --- sysdeps/unix/sysv/linux/chown.c | 34 +++++++++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/generic/chown.c | 29 ---------------------------- 2 files changed, 34 insertions(+), 29 deletions(-) create mode 100644 sysdeps/unix/sysv/linux/chown.c delete mode 100644 sysdeps/unix/sysv/linux/generic/chown.c (limited to 'sysdeps/unix/sysv') diff --git a/sysdeps/unix/sysv/linux/chown.c b/sysdeps/unix/sysv/linux/chown.c new file mode 100644 index 0000000000..c1cd4d6c3d --- /dev/null +++ b/sysdeps/unix/sysv/linux/chown.c @@ -0,0 +1,34 @@ +/* Change ownership of a file. Linux version. + Copyright (C) 2011-2022 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 + . */ + +#include +#include +#include + +/* Change the owner and group of FILE. */ +int +__chown (const char *file, uid_t owner, gid_t group) +{ +#ifdef __NR_chown + return INLINE_SYSCALL_CALL (chown, file, owner, groups); +#else + return INLINE_SYSCALL_CALL (fchownat, AT_FDCWD, file, owner, group, 0); +#endif +} +libc_hidden_def (__chown) +weak_alias (__chown, chown) diff --git a/sysdeps/unix/sysv/linux/generic/chown.c b/sysdeps/unix/sysv/linux/generic/chown.c deleted file mode 100644 index 53997a1127..0000000000 --- a/sysdeps/unix/sysv/linux/generic/chown.c +++ /dev/null @@ -1,29 +0,0 @@ -/* Copyright (C) 2011-2022 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 - . */ - -#include -#include -#include - -/* Change the owner and group of FILE. */ -int -__chown (const char *file, uid_t owner, gid_t group) -{ - return INLINE_SYSCALL (fchownat, 5, AT_FDCWD, file, owner, group, 0); -} -libc_hidden_def (__chown) -weak_alias (__chown, chown) -- cgit 1.4.1