ocaml/otherlibs/unix/getpw.c

82 lines
2.7 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 Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#include <caml/mlvalues.h>
#include <caml/alloc.h>
#include <caml/memory.h>
#include <caml/fail.h>
#include "unixsupport.h"
#include <errno.h>
#include <pwd.h>
static value alloc_passwd_entry(struct passwd *entry)
{
value res;
value name = Val_unit, passwd = Val_unit, gecos = Val_unit;
value dir = Val_unit, shell = Val_unit;
Begin_roots5 (name, passwd, gecos, dir, shell);
name = caml_copy_string(entry->pw_name);
passwd = caml_copy_string(entry->pw_passwd);
#if !defined(__BEOS__) && !defined(__ANDROID__)
gecos = caml_copy_string(entry->pw_gecos);
#else
gecos = caml_copy_string("");
#endif
dir = caml_copy_string(entry->pw_dir);
shell = caml_copy_string(entry->pw_shell);
res = caml_alloc_small(7, 0);
Field(res,0) = name;
Field(res,1) = passwd;
Field(res,2) = Val_int(entry->pw_uid);
Field(res,3) = Val_int(entry->pw_gid);
Field(res,4) = gecos;
Field(res,5) = dir;
Field(res,6) = shell;
End_roots();
return res;
}
CAMLprim value unix_getpwnam(value name)
{
struct passwd * entry;
if (! caml_string_is_c_safe(name)) caml_raise_not_found();
errno = 0;
entry = getpwnam(String_val(name));
if (entry == (struct passwd *) NULL) {
if (errno == EINTR) {
uerror("getpwnam", Nothing);
} else {
caml_raise_not_found();
}
}
return alloc_passwd_entry(entry);
}
CAMLprim value unix_getpwuid(value uid)
{
struct passwd * entry;
errno = 0;
entry = getpwuid(Int_val(uid));
if (entry == (struct passwd *) NULL) {
if (errno == EINTR) {
uerror("getpwuid", Nothing);
} else {
caml_raise_not_found();
}
}
return alloc_passwd_entry(entry);
}