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/* 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.
*/
#define sysconf __sysconf
#include "syscalls.h"
#include <stdlib.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 attribute_hidden __setgroups(size_t n, const gid_t * groups)
{
if (n > (size_t) sysconf(_SC_NGROUPS_MAX)) {
ret_error:
__set_errno(EINVAL);
return -1;
} else {
size_t i;
__kernel_gid_t *kernel_groups;
kernel_groups = (__kernel_gid_t *)malloc(sizeof(*kernel_groups) * n);
if (kernel_groups == NULL)
goto ret_error;
for (i = 0; i < n; i++) {
kernel_groups[i] = (groups)[i];
if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i])) {
goto ret_error;
}
}
i = __syscall_setgroups(n, kernel_groups);
free(kernel_groups);
return i;
}
}
strong_alias(__setgroups,setgroups)
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