xref: /titanic_50/usr/src/cmd/sendmail/libsm/t-float.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
3*7c478bd9Sstevel@tonic-gate  *	All rights reserved.
4*7c478bd9Sstevel@tonic-gate  *
5*7c478bd9Sstevel@tonic-gate  * By using this file, you agree to the terms and conditions set
6*7c478bd9Sstevel@tonic-gate  * forth in the LICENSE file which can be found at the top level of
7*7c478bd9Sstevel@tonic-gate  * the sendmail distribution.
8*7c478bd9Sstevel@tonic-gate  */
9*7c478bd9Sstevel@tonic-gate 
10*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
11*7c478bd9Sstevel@tonic-gate 
12*7c478bd9Sstevel@tonic-gate #include <sm/gen.h>
13*7c478bd9Sstevel@tonic-gate SM_IDSTR(id, "@(#)$Id: t-float.c,v 1.16 2001/02/02 23:11:46 ca Exp $")
14*7c478bd9Sstevel@tonic-gate 
15*7c478bd9Sstevel@tonic-gate #include <sm/limits.h>
16*7c478bd9Sstevel@tonic-gate #include <sm/io.h>
17*7c478bd9Sstevel@tonic-gate #include <sm/string.h>
18*7c478bd9Sstevel@tonic-gate #include <sm/test.h>
19*7c478bd9Sstevel@tonic-gate #include <sm/types.h>
20*7c478bd9Sstevel@tonic-gate 
21*7c478bd9Sstevel@tonic-gate int
22*7c478bd9Sstevel@tonic-gate main(argc, argv)
23*7c478bd9Sstevel@tonic-gate 	int argc;
24*7c478bd9Sstevel@tonic-gate 	char **argv;
25*7c478bd9Sstevel@tonic-gate {
26*7c478bd9Sstevel@tonic-gate 	double d, d2;
27*7c478bd9Sstevel@tonic-gate 	double ld;
28*7c478bd9Sstevel@tonic-gate 	char buf[128];
29*7c478bd9Sstevel@tonic-gate 	char *r;
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate 	/*
32*7c478bd9Sstevel@tonic-gate 	**  Sendmail uses printf and scanf with doubles,
33*7c478bd9Sstevel@tonic-gate 	**  so make sure that this works.
34*7c478bd9Sstevel@tonic-gate 	*/
35*7c478bd9Sstevel@tonic-gate 
36*7c478bd9Sstevel@tonic-gate 	sm_test_begin(argc, argv, "test floating point stuff");
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate 	d = 1.125;
39*7c478bd9Sstevel@tonic-gate 	sm_snprintf(buf, sizeof(buf), "%d %.3f %d", 0, d, 1);
40*7c478bd9Sstevel@tonic-gate 	r = "0 1.125 1";
41*7c478bd9Sstevel@tonic-gate 	if (!SM_TEST(strcmp(buf, r) == 0))
42*7c478bd9Sstevel@tonic-gate 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
43*7c478bd9Sstevel@tonic-gate 				     "got %s instead\n", buf);
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate 	d = 1.125;
46*7c478bd9Sstevel@tonic-gate 	sm_snprintf(buf, sizeof(buf), "%.3f", d);
47*7c478bd9Sstevel@tonic-gate 	r = "1.125";
48*7c478bd9Sstevel@tonic-gate 	if (!SM_TEST(strcmp(buf, r) == 0))
49*7c478bd9Sstevel@tonic-gate 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
50*7c478bd9Sstevel@tonic-gate 				     "got %s instead\n", buf);
51*7c478bd9Sstevel@tonic-gate 	d2 = 0.0;
52*7c478bd9Sstevel@tonic-gate 	sm_io_sscanf(buf, "%lf", &d2);
53*7c478bd9Sstevel@tonic-gate #if SM_CONF_BROKEN_STRTOD
54*7c478bd9Sstevel@tonic-gate 	if (d != d2)
55*7c478bd9Sstevel@tonic-gate 	{
56*7c478bd9Sstevel@tonic-gate 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
57*7c478bd9Sstevel@tonic-gate 				     "wanted %f, got %f\n", d, d2);
58*7c478bd9Sstevel@tonic-gate 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
59*7c478bd9Sstevel@tonic-gate 				     "error ignored since SM_CONF_BROKEN_STRTOD is set for this OS\n");
60*7c478bd9Sstevel@tonic-gate 	}
61*7c478bd9Sstevel@tonic-gate #else /* SM_CONF_BROKEN_STRTOD */
62*7c478bd9Sstevel@tonic-gate 	if (!SM_TEST(d == d2))
63*7c478bd9Sstevel@tonic-gate 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
64*7c478bd9Sstevel@tonic-gate 				     "wanted %f, got %f\n", d, d2);
65*7c478bd9Sstevel@tonic-gate #endif /* SM_CONF_BROKEN_STRTOD */
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate 	ld = 2.5;
68*7c478bd9Sstevel@tonic-gate 	sm_snprintf(buf, sizeof(buf), "%.3f %.1f", d, ld);
69*7c478bd9Sstevel@tonic-gate 	r = "1.125 2.5";
70*7c478bd9Sstevel@tonic-gate 	if (!SM_TEST(strcmp(buf, r) == 0))
71*7c478bd9Sstevel@tonic-gate 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
72*7c478bd9Sstevel@tonic-gate 				     "got %s instead\n", buf);
73*7c478bd9Sstevel@tonic-gate 	return sm_test_end();
74*7c478bd9Sstevel@tonic-gate }
75