1/* mksignames.c -- Create and write `signames.h', which contains an array of
2   signal names. */
3
4/* Copyright (C) 1992-2006 Free Software Foundation, Inc.
5
6   This file is part of GNU Bash, the Bourne Again SHell.
7
8   Bash is free software; you can redistribute it and/or modify it under
9   the terms of the GNU General Public License as published by the Free
10   Software Foundation; either version 2, or (at your option) any later
11   version.
12
13   Bash is distributed in the hope that it will be useful, but WITHOUT ANY
14   WARRANTY; without even the implied warranty of MERCHANTABILITY or
15   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16   for more details.
17
18   You should have received a copy of the GNU General Public License along
19   with Bash; see the file COPYING.  If not, write to the Free Software
20   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
21
22#include <config.h>
23
24#include <sys/types.h>
25#include <signal.h>
26
27#include <stdio.h>
28#if defined (HAVE_STDLIB_H)
29#  include <stdlib.h>
30#else
31#  include "ansi_stdlib.h"
32#endif /* HAVE_STDLIB_H */
33
34/* Duplicated from signames.c */
35#if !defined (NSIG)
36#  define NSIG 64
37#endif
38
39#define LASTSIG NSIG+2
40
41/* Imported from signames.c */
42extern void initialize_signames ();
43extern char *signal_names[];
44
45char *progname;
46
47void
48write_signames (stream)
49     FILE *stream;
50{
51  register int i;
52
53  fprintf (stream, "/* This file was automatically created by %s.\n",
54	   progname);
55  fprintf (stream, "   Do not edit.  Edit support/signames.c instead. */\n\n");
56  fprintf (stream,
57	   "/* A translation list so we can be polite to our users. */\n");
58#if defined (CROSS_COMPILING)
59  fprintf (stream, "extern char *signal_names[];\n\n");
60  fprintf (stream, "extern void initialize_signames __P((void));\n\n");
61#else
62  fprintf (stream, "char *signal_names[NSIG + 4] = {\n");
63
64  for (i = 0; i <= LASTSIG; i++)
65    fprintf (stream, "    \"%s\",\n", signal_names[i]);
66
67  fprintf (stream, "    (char *)0x0\n");
68  fprintf (stream, "};\n\n");
69  fprintf (stream, "#define initialize_signames()\n\n");
70#endif
71}
72
73int
74main (argc, argv)
75     int argc;
76     char **argv;
77{
78  char *stream_name;
79  FILE *stream;
80
81  progname = argv[0];
82
83  if (argc == 1)
84    {
85      stream_name = "stdout";
86      stream = stdout;
87    }
88  else if (argc == 2)
89    {
90      stream_name = argv[1];
91      stream = fopen (stream_name, "w");
92    }
93  else
94    {
95      fprintf (stderr, "Usage: %s [output-file]\n", progname);
96      exit (1);
97    }
98
99  if (!stream)
100    {
101      fprintf (stderr, "%s: %s: cannot open for writing\n",
102	       progname, stream_name);
103      exit (2);
104    }
105
106#if !defined (CROSS_COMPILING)
107  initialize_signames ();
108#endif
109  write_signames (stream);
110  exit (0);
111}
112