1/* Handle options that are passed from environment variables.
2
3   Copyright (C) 2004, 2009, 2012 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3.  If not see
19<http://www.gnu.org/licenses/>.  */
20
21#include "fixlib.h"
22
23te_verbose  verbose_level = VERB_PROGRESS;
24
25fixinc_mode_t fixinc_mode = TESTING_OFF;
26
27#define _ENV_(v,m,n,t) char const * v = NULL;
28ENV_TABLE
29#undef _ENV_
30
31static void
32show_not_def (char const * vname)
33{
34  static const char var_not_found[] =
35    "fixincl ERROR:  %s environment variable not defined\n"
36    "each of these must be defined:\n";
37  static char const not_found_var[] = "\t%s\n";
38
39  fprintf (stderr, var_not_found, vname);
40# define _ENV_(vv,mm,nn,tt) \
41  if (mm) fprintf (stderr, not_found_var, nn);
42  ENV_TABLE
43# undef _ENV_
44
45  exit (EXIT_FAILURE);
46}
47
48void
49initialize_opts (void)
50{
51#define _ENV_(v,m,n,t)   {                      \
52    static char const var[] = n;                \
53    v = getenv (var);                           \
54    if (m && (v == NULL)) show_not_def (var);   \
55  }
56
57  ENV_TABLE;
58#undef _ENV_
59
60  if ((pz_test_mode != NULL) && (strcmp (pz_test_mode, "true") == 0))
61    fixinc_mode = TESTING_ON;
62}
63