glibc/support/support_test_compare_failure.c
Joseph Myers 688903eb3e Update copyright dates with scripts/update-copyrights.
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
2018-01-01 00:32:25 +00:00

56 lines
2.1 KiB
C

/* Reporting a numeric comparison failure.
Copyright (C) 2017-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <support/check.h>
static void
report (const char *which, const char *expr, long long value, int negative,
int size)
{
printf (" %s: ", which);
if (negative)
printf ("%lld", value);
else
printf ("%llu", (unsigned long long) value);
unsigned long long mask
= (~0ULL) >> (8 * (sizeof (unsigned long long) - size));
printf (" (0x%llx); from: %s\n", (unsigned long long) value & mask, expr);
}
void
support_test_compare_failure (const char *file, int line,
const char *left_expr,
long long left_value,
int left_negative,
int left_size,
const char *right_expr,
long long right_value,
int right_negative,
int right_size)
{
support_record_failure ();
if (left_size != right_size)
printf ("%s:%d: numeric comparison failure (widths %d and %d)\n",
file, line, left_size * 8, right_size * 8);
else
printf ("%s:%d: numeric comparison failure\n", file, line);
report (" left", left_expr, left_value, left_negative, left_size);
report ("right", right_expr, right_value, right_negative, right_size);
}