ocaml/otherlibs/unix/getgroups.c

43 lines
1.2 KiB
C

/***********************************************************************/
/* */
/* Caml Special Light */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1995 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include <alloc.h>
#ifdef HAS_GETGROUPS
#include <sys/types.h>
#include <sys/param.h>
#include "unix.h"
value unix_getgroups() /* ML */
{
int gidset[NGROUPS];
int n;
value res;
int i;
n = getgroups(NGROUPS, gidset);
if (n == -1) uerror("getgroups", Nothing);
res = alloc_tuple(n);
for (i = 0; i < n; i++)
Field(res, i) = Val_int(gidset[i]);
return res;
}
#else
value unix_getgroups() { invalid_argument("getgroups not implemented"); }
#endif