75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/**************************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. */
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/* */
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/* All rights reserved. This file is distributed under the terms of */
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/* the GNU Lesser General Public License version 2.1, with the */
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/* special exception on linking described in the file LICENSE. */
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/* */
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/**************************************************************************/
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#include <caml/mlvalues.h>
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#include <caml/fail.h>
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#include <caml/alloc.h>
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#include <caml/memory.h>
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#include "unixsupport.h"
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#include <errno.h>
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#include <stdio.h>
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#include <grp.h>
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static value alloc_group_entry(struct group *entry)
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{
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value res;
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value name = Val_unit, pass = Val_unit, mem = Val_unit;
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Begin_roots3 (name, pass, mem);
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name = caml_copy_string(entry->gr_name);
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/* on some platforms, namely Android, gr_passwd can be NULL,
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hence this workaround */
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pass = caml_copy_string(entry->gr_passwd ? entry->gr_passwd : "");
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mem = caml_copy_string_array((const char**)entry->gr_mem);
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res = caml_alloc_small(4, 0);
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Field(res,0) = name;
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Field(res,1) = pass;
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Field(res,2) = Val_int(entry->gr_gid);
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Field(res,3) = mem;
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End_roots();
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return res;
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}
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CAMLprim value unix_getgrnam(value name)
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{
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struct group * entry;
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if (! caml_string_is_c_safe(name)) caml_raise_not_found();
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errno = 0;
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entry = getgrnam(String_val(name));
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if (entry == NULL) {
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if (errno == EINTR) {
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uerror("getgrnam", Nothing);
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} else {
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caml_raise_not_found();
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}
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}
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return alloc_group_entry(entry);
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}
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CAMLprim value unix_getgrgid(value gid)
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{
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struct group * entry;
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errno = 0;
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entry = getgrgid(Int_val(gid));
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if (entry == NULL) {
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if (errno == EINTR) {
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uerror("getgrgid", Nothing);
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} else {
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caml_raise_not_found();
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}
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}
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return alloc_group_entry(entry);
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}
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