src/cal/ev.c

#ifndef lint
static const char       RCSid[] = "$Id: ev.c,v 1.6 2003/11/14 17:31:24 schorsch Exp $";
#endif
/*
 *  ev.c - program to evaluate expression arguments
 *
 *     1/29/87
 */

#include  <stdlib.h>
#include  <stdio.h>
#include  <errno.h>

#include  "calcomp.h"
#include  "rterror.h"


int
main(argc, argv)
int  argc;
char  *argv[];
{
        int  i;

        esupport |= E_FUNCTION;
        esupport &= ~(E_VARIABLE|E_INCHAN|E_OUTCHAN|E_RCONST);

#ifdef  BIGGERLIB
        biggerlib();
#endif

        errno = 0;
        for (i = 1; i < argc; i++)
                printf("%.9g\n", eval(argv[i]));

        if (errno != EDOM && errno != ERANGE)
                errno = 0;

        quit(errno ? 2 : 0);
        return (errno ? 2 : 0); /* pro forma return */
}


void
eputs(msg)
char  *msg;
{
        fputs(msg, stderr);
}


void
wputs(msg)
char  *msg;
{
        eputs(msg);
}


void
quit(code)
int  code;
{
        exit(code);
}
Revision:	1.7
Committed:	Thu Sep 11 05:34:47 2008 UTC (17 years, 1 month ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad5R2, rad5R3, rad5R0, rad5R1, rad4R2, rad4R1, rad4R0, rad4R2P1, rad4R2P2
Changes since 1.6:	+4 -1 lines
Log Message:	Avoid returning error on spurious errno settings
#	Content
1	#ifndef lint
2	static const char RCSid[] = "$Id: ev.c,v 1.6 2003/11/14 17:31:24 schorsch Exp $";
3	#endif
4	/*
5	* ev.c - program to evaluate expression arguments
6	*
7	* 1/29/87
8	*/
9
10	#include <stdlib.h>
11	#include <stdio.h>
12	#include <errno.h>
13
14	#include "calcomp.h"
15	#include "rterror.h"
16
17
18	int
19	main(argc, argv)
20	int argc;
21	char *argv[];
22	{
23	int i;
24
25	esupport \|= E_FUNCTION;
26	esupport &= ~(E_VARIABLE\|E_INCHAN\|E_OUTCHAN\|E_RCONST);
27
28	#ifdef BIGGERLIB
29	biggerlib();
30	#endif
31
32	errno = 0;
33	for (i = 1; i < argc; i++)
34	printf("%.9g\n", eval(argv[i]));
35
36	if (errno != EDOM && errno != ERANGE)
37	errno = 0;
38
39	quit(errno ? 2 : 0);
40	return (errno ? 2 : 0); /* pro forma return */
41	}
42
43
44	void
45	eputs(msg)
46	char *msg;
47	{
48	fputs(msg, stderr);
49	}
50
51
52	void
53	wputs(msg)
54	char *msg;
55	{
56	eputs(msg);
57	}
58
59
60	void
61	quit(code)
62	int code;
63	{
64	exit(code);
65	}