78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* Generate gcov version string from version.c. See gcov-io.h for
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description of how the version string is generated.
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Copyright (C) 2002-2017 Free Software Foundation, Inc.
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Contributed by Nathan Sidwell <nathan@codesourcery.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "bconfig.h"
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#include "system.h"
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/* Command line arguments are the base GCC version and the development
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phase (the latter may be an empty string). */
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int
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main (int argc, char **argv)
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{
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unsigned int version = 0;
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unsigned char v[4];
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unsigned int ix;
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unsigned long major;
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unsigned long minor = 0;
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char phase = 0;
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char *ptr;
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if (argc != 3)
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{
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fprintf (stderr, "usage: %s 'version' 'phase'\n", argv[0]);
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return 1;
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}
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ptr = argv[1];
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major = strtoul (ptr, &ptr, 10);
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if (*ptr == '.')
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minor = strtoul (ptr + 1, 0, 10);
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/* For releases the development phase is an empty string, for
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prerelease versions on a release branch it is "prerelease".
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Consider both equal as patch-level releases do not change
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the GCOV version either.
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On the trunk the development phase is "experimental". */
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phase = argv[2][0];
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if (phase == '\0'
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|| strcmp (argv[2], "prerelease") == 0)
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phase = '*';
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v[0] = (major / 10) + 'A';
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v[1] = (major % 10) + '0';
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v[2] = minor + '0';
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v[3] = phase;
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for (ix = 0; ix != 4; ix++)
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version = (version << 8) | v[ix];
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printf ("/* Generated automatically by the program `%s'\n", argv[0]);
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printf (" from `%s (%lu %lu) and %s (%c)'. */\n",
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argv[1], major, minor, argv[2], phase);
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printf ("\n");
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printf ("#define GCOV_VERSION ((gcov_unsigned_t)0x%08x) /* %.4s */\n",
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version, v);
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return 0;
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}
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