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Support %1$d syntax.

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* tests/printf_unit_test.c: New file.
	* Makefile.util.def (printf_test): New test.
	* grub-core/kern/misc.c (grub_vsnprintf_real): Support %1$d syntax.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-11-11 21:14:41 +01:00
parent c76b541762
commit 12d4f965cd
3 changed files with 378 additions and 164 deletions
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43
tests/printf_unit_test.c Normal file
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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2011 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <grub/test.h>
#include <grub/misc.h>
static void
printf_test (void)
{
char real[512];
char expected[512];
grub_snprintf (real, sizeof (real), "%d %d %d", 1, 2, 3);
snprintf (expected, sizeof (expected), "%d %d %d", 1, 2, 3);
grub_test_assert (strcmp (real, expected) == 0);
grub_snprintf (real, sizeof (real), "%3$d %2$d %1$d", 1, 2, 3);
snprintf (expected, sizeof (expected), "%3$d %2$d %1$d", 1, 2, 3);
grub_test_assert (strcmp (real, expected) == 0);
grub_snprintf (real, sizeof (real), "%d %lld %d", 1, 2LL, 3);
snprintf (expected, sizeof (expected), "%d %lld %d", 1, 2LL, 3);
grub_test_assert (strcmp (real, expected) == 0);
grub_snprintf (real, sizeof (real), "%3$d %2$lld %1$d", 1, 2LL, 3);
snprintf (expected, sizeof (expected), "%3$d %2$lld %1$d", 1, 2LL, 3);
grub_test_assert (strcmp (real, expected) == 0);
}
GRUB_UNIT_TEST ("printf_unit_test", printf_test);