sim/common/portability.c

   1 /* Portability shims for missing OS support.
   2    Copyright (C) 2021-2024 Free Software Foundation, Inc.
   3    Contributed by Mike Frysinger.
   4
   5 This file is part of the GNU Simulators.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 /* This must come before any other includes.  */
  21 #include "defs.h"
  22
  23 #include <unistd.h>
  24
  25 #include "portability.h"
  26
  27 #ifndef HAVE_GETEGID
  28 int getegid(void)
  29 {
  30   return 0;
  31 }
  32 #endif
  33
  34 #ifndef HAVE_GETEUID
  35 int geteuid(void)
  36 {
  37   return 0;
  38 }
  39 #endif
  40
  41 #ifndef HAVE_GETGID
  42 int getgid(void)
  43 {
  44   return 0;
  45 }
  46 #endif
  47
  48 #ifndef HAVE_GETUID
  49 int getuid(void)
  50 {
  51   return 0;
  52 }
  53 #endif
  54
  55 #ifndef HAVE_SETGID
  56 int setgid(int gid)
  57 {
  58   return -1;
  59 }
  60 #endif
  61
  62 #ifndef HAVE_SETUID
  63 int setuid(int uid)
  64 {
  65   return -1;
  66 }
  67 #endif