1/*
2 * Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers.
3 *	All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
8 */
9
10#include <sm/gen.h>
11SM_IDSTR(id, "@(#)$Id: t-float.c,v 1.19 2013-11-22 20:51:43 ca Exp $")
12
13#include <sm/limits.h>
14#include <sm/io.h>
15#include <sm/string.h>
16#include <sm/test.h>
17#include <sm/types.h>
18
19int
20main(argc, argv)
21	int argc;
22	char **argv;
23{
24	double d, d2;
25	double ld;
26	char buf[128];
27	char *r;
28
29	/*
30	**  Sendmail uses printf and scanf with doubles,
31	**  so make sure that this works.
32	*/
33
34	sm_test_begin(argc, argv, "test floating point stuff");
35
36	d = 1.125;
37	sm_snprintf(buf, sizeof(buf), "%d %.3f %d", 0, d, 1);
38	r = "0 1.125 1";
39	if (!SM_TEST(strcmp(buf, r) == 0))
40		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
41				     "got %s instead\n", buf);
42
43	d = 1.125;
44	sm_snprintf(buf, sizeof(buf), "%.3f", d);
45	r = "1.125";
46	if (!SM_TEST(strcmp(buf, r) == 0))
47		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
48				     "got %s instead\n", buf);
49	d2 = 0.0;
50	sm_io_sscanf(buf, "%lf", &d2);
51#if SM_CONF_BROKEN_STRTOD
52	if (d != d2)
53	{
54		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
55				     "wanted %f, got %f\n", d, d2);
56		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
57				     "error ignored since SM_CONF_BROKEN_STRTOD is set for this OS\n");
58	}
59#else /* SM_CONF_BROKEN_STRTOD */
60	if (!SM_TEST(d == d2))
61		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
62				     "wanted %f, got %f\n", d, d2);
63#endif /* SM_CONF_BROKEN_STRTOD */
64
65	ld = 2.5;
66	sm_snprintf(buf, sizeof(buf), "%.3f %.1f", d, ld);
67	r = "1.125 2.5";
68	if (!SM_TEST(strcmp(buf, r) == 0))
69		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
70				     "got %s instead\n", buf);
71	return sm_test_end();
72}
73