xref: /freebsd/contrib/sendmail/libsm/t-float.c (revision ee7b0571c2c18bdec848ed2044223cc88db29bd8)
140266059SGregory Neil Shapiro /*
25dd76dd0SGregory Neil Shapiro  * Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers.
340266059SGregory Neil Shapiro  *	All rights reserved.
440266059SGregory Neil Shapiro  *
540266059SGregory Neil Shapiro  * By using this file, you agree to the terms and conditions set
640266059SGregory Neil Shapiro  * forth in the LICENSE file which can be found at the top level of
740266059SGregory Neil Shapiro  * the sendmail distribution.
840266059SGregory Neil Shapiro  */
940266059SGregory Neil Shapiro 
1040266059SGregory Neil Shapiro #include <sm/gen.h>
11*4313cc83SGregory Neil Shapiro SM_IDSTR(id, "@(#)$Id: t-float.c,v 1.19 2013-11-22 20:51:43 ca Exp $")
1240266059SGregory Neil Shapiro 
1340266059SGregory Neil Shapiro #include <sm/limits.h>
1440266059SGregory Neil Shapiro #include <sm/io.h>
1540266059SGregory Neil Shapiro #include <sm/string.h>
1640266059SGregory Neil Shapiro #include <sm/test.h>
1740266059SGregory Neil Shapiro #include <sm/types.h>
1840266059SGregory Neil Shapiro 
1940266059SGregory Neil Shapiro int
2040266059SGregory Neil Shapiro main(argc, argv)
2140266059SGregory Neil Shapiro 	int argc;
2240266059SGregory Neil Shapiro 	char **argv;
2340266059SGregory Neil Shapiro {
2440266059SGregory Neil Shapiro 	double d, d2;
2540266059SGregory Neil Shapiro 	double ld;
2640266059SGregory Neil Shapiro 	char buf[128];
2740266059SGregory Neil Shapiro 	char *r;
2840266059SGregory Neil Shapiro 
2940266059SGregory Neil Shapiro 	/*
3040266059SGregory Neil Shapiro 	**  Sendmail uses printf and scanf with doubles,
3140266059SGregory Neil Shapiro 	**  so make sure that this works.
3240266059SGregory Neil Shapiro 	*/
3340266059SGregory Neil Shapiro 
3440266059SGregory Neil Shapiro 	sm_test_begin(argc, argv, "test floating point stuff");
3540266059SGregory Neil Shapiro 
3640266059SGregory Neil Shapiro 	d = 1.125;
3740266059SGregory Neil Shapiro 	sm_snprintf(buf, sizeof(buf), "%d %.3f %d", 0, d, 1);
3840266059SGregory Neil Shapiro 	r = "0 1.125 1";
3940266059SGregory Neil Shapiro 	if (!SM_TEST(strcmp(buf, r) == 0))
4040266059SGregory Neil Shapiro 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
4140266059SGregory Neil Shapiro 				     "got %s instead\n", buf);
4240266059SGregory Neil Shapiro 
4340266059SGregory Neil Shapiro 	d = 1.125;
4440266059SGregory Neil Shapiro 	sm_snprintf(buf, sizeof(buf), "%.3f", d);
4540266059SGregory Neil Shapiro 	r = "1.125";
4640266059SGregory Neil Shapiro 	if (!SM_TEST(strcmp(buf, r) == 0))
4740266059SGregory Neil Shapiro 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
4840266059SGregory Neil Shapiro 				     "got %s instead\n", buf);
4940266059SGregory Neil Shapiro 	d2 = 0.0;
5040266059SGregory Neil Shapiro 	sm_io_sscanf(buf, "%lf", &d2);
5140266059SGregory Neil Shapiro #if SM_CONF_BROKEN_STRTOD
5240266059SGregory Neil Shapiro 	if (d != d2)
5340266059SGregory Neil Shapiro 	{
5440266059SGregory Neil Shapiro 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
5540266059SGregory Neil Shapiro 				     "wanted %f, got %f\n", d, d2);
5640266059SGregory Neil Shapiro 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
5740266059SGregory Neil Shapiro 				     "error ignored since SM_CONF_BROKEN_STRTOD is set for this OS\n");
5840266059SGregory Neil Shapiro 	}
5940266059SGregory Neil Shapiro #else /* SM_CONF_BROKEN_STRTOD */
6040266059SGregory Neil Shapiro 	if (!SM_TEST(d == d2))
6140266059SGregory Neil Shapiro 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
6240266059SGregory Neil Shapiro 				     "wanted %f, got %f\n", d, d2);
6340266059SGregory Neil Shapiro #endif /* SM_CONF_BROKEN_STRTOD */
6440266059SGregory Neil Shapiro 
6540266059SGregory Neil Shapiro 	ld = 2.5;
6640266059SGregory Neil Shapiro 	sm_snprintf(buf, sizeof(buf), "%.3f %.1f", d, ld);
6740266059SGregory Neil Shapiro 	r = "1.125 2.5";
6840266059SGregory Neil Shapiro 	if (!SM_TEST(strcmp(buf, r) == 0))
6940266059SGregory Neil Shapiro 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT,
7040266059SGregory Neil Shapiro 				     "got %s instead\n", buf);
7140266059SGregory Neil Shapiro 	return sm_test_end();
7240266059SGregory Neil Shapiro }
73