blob: 4b4a1ddec335e6416262ceadae6be1d899902d54 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* vi: set sw=4 ts=4: */
/*
* setgroups() for uClibc
*
* Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
*
* GNU Library General Public License (LGPL) version 2 or later.
*/
#include "syscalls.h"
#include <unistd.h>
#include <grp.h>
#define __NR___syscall_setgroups __NR_setgroups
static inline _syscall2(int, __syscall_setgroups,
size_t, size, const __kernel_gid_t *, list);
int setgroups(size_t n, const gid_t * groups)
{
if (n > (size_t) sysconf(_SC_NGROUPS_MAX)) {
__set_errno(EINVAL);
return -1;
} else {
size_t i;
__kernel_gid_t kernel_groups[n];
for (i = 0; i < n; i++) {
kernel_groups[i] = (groups)[i];
if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i])) {
__set_errno(EINVAL);
return -1;
}
}
return (__syscall_setgroups(n, kernel_groups));
}
}
|
