1 /* Test for the long double variants of obstrack*printf functions.
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 <malloc.h>
20 #include <obstack.h>
21 #include <stdio.h>
22 #include <string.h>
23 #include <stdarg.h>
24
25 #include <support/check.h>
26
27 #define obstack_chunk_alloc malloc
28 #define obstack_chunk_free free
29
30 static void
do_test_call(void * last,...)31 do_test_call (void *last, ...)
32 {
33 const char *expected = "-1.000000000000000000000000000000";
34 char *actual = NULL;
35 long double ld = -1;
36 struct obstack ob;
37 va_list ap;
38
39 obstack_init (&ob);
40 OBSTACK_FUNCTION OBSTACK_FUNCTION_PARAMS;
41 actual = (char *) obstack_finish (&ob);
42 TEST_VERIFY (strncmp (expected, actual, 33) == 0);
43 obstack_free (&ob, NULL);
44 actual = NULL;
45
46 obstack_init (&ob);
47 va_start (ap, last);
48 VOBSTACK_FUNCTION VOBSTACK_FUNCTION_PARAMS;
49 va_end (ap);
50 actual = (char *) obstack_finish (&ob);
51 TEST_VERIFY (strncmp (expected, actual, 33) == 0);
52 obstack_free (&ob, NULL);
53 actual = NULL;
54 }
55
56 static int
do_test(void)57 do_test (void)
58 {
59 long double ld = -1;
60 do_test_call (NULL, ld);
61 return 0;
62 }
63
64 #include <support/test-driver.c>
65