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/**************************************************************************/
/* */
/* 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 Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#include <caml/mlvalues.h>
#include <caml/fail.h>
#include <caml/alloc.h>
#include <caml/memory.h>
#include "unixsupport.h"
#include <errno.h>
#include <stdio.h>
#include <grp.h>
static value alloc_group_entry(struct group *entry)
{
CAMLparam0();
CAMLlocal3(name, pass, mem);
value res;
name = caml_copy_string(entry->gr_name);
/* on some platforms, namely Android, gr_passwd can be NULL,
hence this workaround */
pass = caml_copy_string(entry->gr_passwd ? entry->gr_passwd : "");
mem = caml_copy_string_array((const char**)entry->gr_mem);
res = caml_alloc_small(4, 0);
Field(res,0) = name;
Field(res,1) = pass;
Field(res,2) = Val_int(entry->gr_gid);
Field(res,3) = mem;
CAMLreturn(res);
}
CAMLprim value caml_unix_getgrnam(value name)
{
struct group * entry;
if (! caml_string_is_c_safe(name)) caml_raise_not_found();
errno = 0;
entry = getgrnam(String_val(name));
if (entry == NULL) {
if (errno == EINTR) {
caml_uerror("getgrnam", Nothing);
} else {
caml_raise_not_found();
}
}
return alloc_group_entry(entry);
}
CAMLprim value caml_unix_getgrgid(value gid)
{
struct group * entry;
errno = 0;
entry = getgrgid(Int_val(gid));
if (entry == NULL) {
if (errno == EINTR) {
caml_uerror("getgrgid", Nothing);
} else {
caml_raise_not_found();
}
}
return alloc_group_entry(entry);
}
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