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) 2002-2015 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 3, 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 COPYING3.  If not see
20<http://www.gnu.org/licenses/>.  */
21
22#include "bconfig.h"
23#include "system.h"
24
25/* Command line arguments are the base GCC version and the development
26   phase (the latter may be an empty string).  */
27
28int
29main (int argc, char **argv)
30{
31  unsigned int version = 0;
32  unsigned char v[4];
33  unsigned int ix;
34  unsigned long major;
35  unsigned long minor = 0;
36  char phase = 0;
37  char *ptr;
38
39  if (argc != 3)
40    {
41      fprintf (stderr, "usage: %s 'version' 'phase'\n", argv[0]);
42      return 1;
43    }
44
45  ptr = argv[1];
46  major = strtoul (ptr, &ptr, 10);
47
48  if (*ptr == '.')
49    minor = strtoul (ptr + 1, 0, 10);
50
51  /* For releases the development phase is an empty string, for
52     prerelease versions on a release branch it is "prerelease".
53     Consider both equal as patch-level releases do not change
54     the GCOV version either.
55     On the trunk the development phase is "experimental".  */
56  phase = argv[2][0];
57  if (phase == '\0'
58      || strcmp (argv[2], "prerelease") == 0)
59    phase = '*';
60
61  v[0] = (major < 10 ? '0' : 'A' - 10) + major;
62  v[1] = (minor / 10) + '0';
63  v[2] = (minor % 10) + '0';
64  v[3] = phase;
65
66  for (ix = 0; ix != 4; ix++)
67    version = (version << 8) | v[ix];
68
69  printf ("/* Generated automatically by the program `%s'\n", argv[0]);
70  printf ("   from `%s (%lu %lu) and %s (%c)'.  */\n",
71	  argv[1], major, minor, argv[2], phase);
72  printf ("\n");
73  printf ("#define GCOV_VERSION ((gcov_unsigned_t)0x%08x)  /* %.4s */\n",
74	  version, v);
75
76  return 0;
77}
78