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Linux: consolidate lchown implementation 

Use lchown syscall if defined, otherwise use fchownat.

Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Adhemerval Zanella Netto 2022-10-19 19:14:11 -03:00 committed by Adhemerval Zanella
parent 842128f160
commit 25ca6175ba
1 changed files with 8 additions and 3 deletions
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11
sysdeps/unix/sysv/linux/generic/lchown.c → sysdeps/unix/sysv/linux/lchown.c
View File

@ -1,4 +1,5 @@
/* Copyright (C) 2011-2022 Free Software Foundation, Inc.
/* 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
@ -23,7 +24,11 @@
int
__lchown (const char *file, uid_t owner, gid_t group)
{
return INLINE_SYSCALL (fchownat, 5, AT_FDCWD, file, owner, group,
AT_SYMLINK_NOFOLLOW);
#ifdef __NR_lchown
return INLINE_SYSCALL_CALL (lchown, file, owner, group);
#else
return INLINE_SYSCALL_CALL (fchownat, AT_FDCWD, file, owner, group,
AT_SYMLINK_NOFOLLOW);
#endif
}
weak_alias (__lchown, lchown)