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56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
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/* Reporting a numeric comparison failure.
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Copyright (C) 2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <support/check.h>
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static void
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report (const char *which, const char *expr, long long value, int negative,
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int size)
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{
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printf (" %s: ", which);
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if (negative)
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printf ("%lld", value);
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else
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printf ("%llu", (unsigned long long) value);
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unsigned long long mask
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= (~0ULL) >> (8 * (sizeof (unsigned long long) - size));
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printf (" (0x%llx); from: %s\n", (unsigned long long) value & mask, expr);
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}
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void
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support_test_compare_failure (const char *file, int line,
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const char *left_expr,
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long long left_value,
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int left_negative,
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int left_size,
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const char *right_expr,
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long long right_value,
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int right_negative,
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int right_size)
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{
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support_record_failure ();
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if (left_size != right_size)
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printf ("%s:%d: numeric comparison failure (widths %d and %d)\n",
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file, line, left_size * 8, right_size * 8);
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else
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printf ("%s:%d: numeric comparison failure\n", file, line);
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report (" left", left_expr, left_value, left_negative, left_size);
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report ("right", right_expr, right_value, right_negative, right_size);
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}
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