mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
b55975fc0a
Fixes the following error from GCC 7.2.0 with a recent newlib
In file included from /usr/arm-none-eabi/include/stdio.h:800:0,
from /home/jgn/work/src/riot/tests/unittests/tests-printf_float/tests-printf_float.c:21:
/home/jgn/work/src/riot/tests/unittests/tests-printf_float/tests-printf_float.c: In function ‘sfprintf_float’:
/home/jgn/work/src/riot/tests/unittests/tests-printf_float/tests-printf_float.c:39:28: error: ‘%f’ directive output truncated writing 11 bytes into a region of size 10 [-Werror=format-truncation=]
snprintf(str, BUFSIZE, "%f", in0);
^
/home/jgn/work/src/riot/tests/unittests/tests-printf_float/tests-printf_float.c:39:5: note: ‘__builtin_snprintf’ output 12 bytes into a destination of size 10
snprintf(str, BUFSIZE, "%f", in0);
^
cc1: all warnings being treated as errors
79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2016 Freie Universität Berlin
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @addtogroup unittests
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Implementations of unit tests for printing floating point numbers
|
|
*
|
|
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
|
|
* @}
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "embUnit/embUnit.h"
|
|
|
|
#include "tests-printf_float.h"
|
|
|
|
#define BUFSIZE (12)
|
|
|
|
static const double in0 = 2016.0349;
|
|
static const double in1 = 123.4567;
|
|
static const double in2 = 0.0;
|
|
|
|
static void sfprintf_float(void)
|
|
{
|
|
char tmp[BUFSIZE];
|
|
char *str = tmp;
|
|
|
|
snprintf(str, BUFSIZE, "%f", in0);
|
|
TEST_ASSERT_EQUAL_STRING("2016.034900", str);
|
|
|
|
snprintf(str, BUFSIZE, "%.2f", in0);
|
|
TEST_ASSERT_EQUAL_STRING("2016.03", str);
|
|
|
|
snprintf(str, BUFSIZE, "%.f", in0);
|
|
TEST_ASSERT_EQUAL_STRING("2016", str);
|
|
|
|
snprintf(str, BUFSIZE, "%.4f", in1);
|
|
TEST_ASSERT_EQUAL_STRING("123.4567", str);
|
|
|
|
snprintf(str, BUFSIZE, "%.2f", in1);
|
|
TEST_ASSERT_EQUAL_STRING("123.46", str);
|
|
|
|
snprintf(str, BUFSIZE, "%4.f", in2);
|
|
TEST_ASSERT_EQUAL_STRING(" 0", str);
|
|
|
|
snprintf(str, BUFSIZE, "%.3f", in2);
|
|
TEST_ASSERT_EQUAL_STRING("0.000", str);
|
|
|
|
snprintf(str, BUFSIZE, "%2.04f", in2);
|
|
TEST_ASSERT_EQUAL_STRING("0.0000", str);
|
|
}
|
|
|
|
Test *tests_printf_float_tests(void)
|
|
{
|
|
EMB_UNIT_TESTFIXTURES(fixtures) {
|
|
new_TestFixture(sfprintf_float)
|
|
};
|
|
|
|
EMB_UNIT_TESTCALLER(pkt_tests, NULL, NULL, fixtures);
|
|
|
|
return (Test *)&pkt_tests;
|
|
}
|
|
|
|
void tests_printf_float(void)
|
|
{
|
|
TESTS_RUN(tests_printf_float_tests());
|
|
}
|