38 lines
2.5 KiB
C
38 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ This program is free software; you can redistribute it and/or modify │
|
|
│ it under the terms of the GNU General Public License as published by │
|
|
│ the Free Software Foundation; version 2 of the License. │
|
|
│ │
|
|
│ This program 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 │
|
|
│ General Public License for more details. │
|
|
│ │
|
|
│ You should have received a copy of the GNU General Public License │
|
|
│ along with this program; if not, write to the Free Software │
|
|
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
|
|
│ 02110-1301 USA │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/calls/internal.h"
|
|
#include "libc/sysv/consts/at.h"
|
|
|
|
/**
|
|
* Changes owner and/or group of pathname, w/o dereferencing symlinks.
|
|
*
|
|
* @param uid is user id, or -1u to not change
|
|
* @param gid is group id, or -1u to not change
|
|
* @return 0 on success, or -1 w/ errno
|
|
* @see chown() which dereferences symbolic links
|
|
* @see /etc/passwd for user ids
|
|
* @see /etc/group for group ids
|
|
*/
|
|
int lchown(const char *pathname, uint32_t uid, uint32_t gid) {
|
|
/* TODO(jart): Windows? */
|
|
return fchownat$sysv(AT_FDCWD, pathname, uid, gid, AT_SYMLINK_NOFOLLOW);
|
|
}
|