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- #define sysconf __sysconf
- #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));
- }
- }
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