1/* Generate gcov version string from version.c. See gcov-io.h for
2   description of how the version string is generated.
3   Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
4   Contributed by Nathan Sidwell <nathan@codesourcery.com>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 2, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING.  If not, write to the Free
20Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
2102110-1301, USA.  */
22
23#include <stdio.h>
24#include <stdlib.h>
25
26/* Command line arguments are the base GCC version and the development
27   phase (the latter may be an empty string).  */
28
29int
30main (int argc, char **argv)
31{
32  unsigned int version = 0;
33  unsigned char v[4];
34  unsigned int ix;
35  unsigned long major;
36  unsigned long minor = 0;
37  char phase = 0;
38  char *ptr;
39
40  if (argc != 3)
41    {
42      fprintf (stderr, "usage: %s 'version' 'phase'\n", argv[0]);
43      return 1;
44    }
45
46  ptr = argv[1];
47  major = strtoul (ptr, &ptr, 10);
48
49  if (*ptr == '.')
50    minor = strtoul (ptr + 1, 0, 10);
51
52  phase = argv[2][0];
53  if (phase == '\0')
54    phase = '*';
55
56  v[0] = (major < 10 ? '0' : 'A' - 10) + major;
57  v[1] = (minor / 10) + '0';
58  v[2] = (minor % 10) + '0';
59  v[3] = phase;
60
61  for (ix = 0; ix != 4; ix++)
62    version = (version << 8) | v[ix];
63
64  printf ("/* Generated automatically by the program `%s'\n", argv[0]);
65  printf ("   from `%s (%lu %lu) and %s (%c)'.  */\n",
66	  argv[1], major, minor, argv[2], phase);
67  printf ("\n");
68  printf ("#define GCOV_VERSION ((gcov_unsigned_t)%#08x)  /* %.4s */\n",
69	  version, v);
70
71  return 0;
72}
73