1 /* Test for the long double variants of strfroml and strtold.
2    Copyright (C) 2019-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library; if not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 #include <stdlib.h>
20 
21 #include <support/check.h>
22 
23 static int
do_test(void)24 do_test (void)
25 {
26   int written;
27   char buffer[64];
28   char *bufptr = buffer;
29   const char *expected = "-1.0000000000";
30   long double read;
31 
32   /* Write to the buffer.  */
33   written = strfroml (bufptr, 64, "%.10f", (long double) -1);
34   if (written < 0)
35     support_record_failure ();
36 
37   /* Compare against the expected output.  */
38   TEST_COMPARE_STRING (expected, buffer);
39 
40   /* Read from the buffer.  */
41   read = strtold (expected, NULL);
42 
43   if (read != -1.0L)
44     support_record_failure ();
45 
46   return 0;
47 }
48 
49 #include <support/test-driver.c>
50