ocaml/otherlibs/unix/getgr.c

55 lines
1.8 KiB
C

/***********************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../../LICENSE. */
/* */
/***********************************************************************/
#include <mlvalues.h>
#include <fail.h>
#include <alloc.h>
#include <memory.h>
#include "unixsupport.h"
#include <stdio.h>
#include <grp.h>
static value alloc_group_entry(struct group *entry)
{
value res;
value name = Val_unit, pass = Val_unit, mem = Val_unit;
Begin_roots3 (name, pass, mem);
name = copy_string(entry->gr_name);
pass = copy_string(entry->gr_passwd);
mem = copy_string_array((const char**)entry->gr_mem);
res = alloc_small(4, 0);
Field(res,0) = name;
Field(res,1) = pass;
Field(res,2) = Val_int(entry->gr_gid);
Field(res,3) = mem;
End_roots();
return res;
}
CAMLprim value unix_getgrnam(value name)
{
struct group * entry;
entry = getgrnam(String_val(name));
if (entry == NULL) raise_not_found();
return alloc_group_entry(entry);
}
CAMLprim value unix_getgrgid(value gid)
{
struct group * entry;
entry = getgrgid(Int_val(gid));
if (entry == NULL) raise_not_found();
return alloc_group_entry(entry);
}