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freebsd/contrib/gcc/gcov-iov.c
2007-05-19 01:19:51 +00:00

73 lines
2.0 KiB
C

/* Generate gcov version string from version.c. See gcov-io.h for
description of how the version string is generated.
Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
Contributed by Nathan Sidwell <nathan@codesourcery.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <stdio.h>
#include <stdlib.h>
/* Command line arguments are the base GCC version and the development
phase (the latter may be an empty string). */
int
main (int argc, char **argv)
{
unsigned int version = 0;
unsigned char v[4];
unsigned int ix;
unsigned long major;
unsigned long minor = 0;
char phase = 0;
char *ptr;
if (argc != 3)
{
fprintf (stderr, "usage: %s 'version' 'phase'\n", argv[0]);
return 1;
}
ptr = argv[1];
major = strtoul (ptr, &ptr, 10);
if (*ptr == '.')
minor = strtoul (ptr + 1, 0, 10);
phase = argv[2][0];
if (phase == '\0')
phase = '*';
v[0] = (major < 10 ? '0' : 'A' - 10) + major;
v[1] = (minor / 10) + '0';
v[2] = (minor % 10) + '0';
v[3] = phase;
for (ix = 0; ix != 4; ix++)
version = (version << 8) | v[ix];
printf ("/* Generated automatically by the program `%s'\n", argv[0]);
printf (" from `%s (%lu %lu) and %s (%c)'. */\n",
argv[1], major, minor, argv[2], phase);
printf ("\n");
printf ("#define GCOV_VERSION ((gcov_unsigned_t)%#08x) /* %.4s */\n",
version, v);
return 0;
}