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Linux: consolidate unlink implementation

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Use unlink syscall if defined, otherwise use unlinkat.

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 19:14:17 -03:00
committed by Adhemerval Zanella
parent bf58f34a70
commit 9cffb295e3
1 changed files with 7 additions and 2 deletions
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33
sysdeps/unix/sysv/linux/unlink.c Normal file
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/* Delete a name and possibly the file it refers to. 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
<https://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <fcntl.h>
#include <sysdep.h>
/* Remove the link named NAME. */
int
__unlink (const char *name)
{
#ifdef __NR_unlink
return INLINE_SYSCALL_CALL (unlink, name);
#else
return INLINE_SYSCALL_CALL (unlinkat, AT_FDCWD, name, 0);
#endif
}
weak_alias (__unlink, unlink)