1/*
2 * Copyright (c) 2000-2001 Sendmail, 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#pragma ident	"%Z%%M%	%I%	%E% SMI"
11
12#include <sm/gen.h>
13SM_IDSTR(id, "@(#)$Id: t-float.c,v 1.16 2001/02/02 23:11:46 ca Exp $")
14
15#include <sm/limits.h>
16#include <sm/io.h>
17#include <sm/string.h>
18#include <sm/test.h>
19#include <sm/types.h>
20
21int
22main(argc, argv)
23	int argc;
24	char **argv;
25{
26	double d, d2;
27	double ld;
28	char buf[128];
29	char *r;
30
31	/*
32	**  Sendmail uses printf and scanf with doubles,
33	**  so make sure that this works.
34	*/
35
36	sm_test_begin(argc, argv, "test floating point stuff");
37
38	d = 1.125;
39	sm_snprintf(buf, sizeof(buf), "%d %.3f %d", 0, d, 1);
40	r = "0 1.125 1";
41	if (!SM_TEST(strcmp(buf, r) == 0))
42		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
43				     "got %s instead\n", buf);
44
45	d = 1.125;
46	sm_snprintf(buf, sizeof(buf), "%.3f", d);
47	r = "1.125";
48	if (!SM_TEST(strcmp(buf, r) == 0))
49		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
50				     "got %s instead\n", buf);
51	d2 = 0.0;
52	sm_io_sscanf(buf, "%lf", &d2);
53#if SM_CONF_BROKEN_STRTOD
54	if (d != d2)
55	{
56		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
57				     "wanted %f, got %f\n", d, d2);
58		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
59				     "error ignored since SM_CONF_BROKEN_STRTOD is set for this OS\n");
60	}
61#else /* SM_CONF_BROKEN_STRTOD */
62	if (!SM_TEST(d == d2))
63		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
64				     "wanted %f, got %f\n", d, d2);
65#endif /* SM_CONF_BROKEN_STRTOD */
66
67	ld = 2.5;
68	sm_snprintf(buf, sizeof(buf), "%.3f %.1f", d, ld);
69	r = "1.125 2.5";
70	if (!SM_TEST(strcmp(buf, r) == 0))
71		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
72				     "got %s instead\n", buf);
73	return sm_test_end();
74}
75