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 (15 years, 7 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad5R2, rad4R2P2, rad5R0, rad5R1, rad4R2, rad4R1, rad4R0, rad4R2P1, rad5R3
Changes since 1.6:	+4 -1 lines
Log Message:	Avoid returning error on spurious errno settings
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2	greg	1.7	static const char RCSid[] = "$Id: ev.c,v 1.6 2003/11/14 17:31:24 schorsch Exp $";
3	greg	1.1	#endif
4			/*
5			* ev.c - program to evaluate expression arguments
6			*
7			* 1/29/87
8			*/
9
10	schorsch	1.2	#include <stdlib.h>
11	greg	1.1	#include <stdio.h>
12	schorsch	1.4	#include <errno.h>
13	greg	1.1
14			#include "calcomp.h"
15	schorsch	1.3	#include "rterror.h"
16	greg	1.1
17
18	schorsch	1.6	int
19	greg	1.1	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	greg	1.7	if (errno != EDOM && errno != ERANGE)
37			errno = 0;
38
39	greg	1.1	quit(errno ? 2 : 0);
40	schorsch	1.6	return (errno ? 2 : 0); /* pro forma return */
41	greg	1.1	}
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			}