src/common/fgetval.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 * Read white space separated values from stream
 *
 *  External symbols declared in standard.h
 */

/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */

#include  <stdio.h>

#include  <math.h>

#include  <stdlib.h>

#include  <string.h>

#include  <ctype.h>


int
fgetval(fp, ty, vp)                     /* get specified data word */
register FILE   *fp;
int     ty;
char    *vp;
{
        char    wrd[64];
        register char   *cp;
        register int    c;
                                        /* elide comments (# to EOL) */
        do {
                while ((c = getc(fp)) != EOF && isspace(c))
                        ;
                if (c == '#')
                        while ((c = getc(fp)) != EOF && c != '\n')
                                ;
        } while (c == '\n');
        if (c == EOF)
                return(EOF);
                                        /* get word */
        cp = wrd;
        do {
                *cp++ = c;
                if (cp - wrd >= sizeof(wrd))
                        return(0);
        } while ((c = getc(fp)) != EOF && !isspace(c) && c != '#');
        if (c != EOF)
                ungetc(c, fp);
        *cp = '\0';
        switch (ty) {                   /* check and convert it */
        case 'h':                       /* short */
                if (!isint(wrd))
                        return(0);
                *(short *)vp = c = atoi(wrd);
                if (*(short *)vp != c)
                        return(0);
                return(1);
        case 'i':                       /* integer */
                if (!isint(wrd))
                        return(0);
                *(int *)vp = atoi(wrd);
                return(1);
        case 'l':                       /* long */
                if (!isint(wrd))
                        return(0);
                *(long *)vp = atol(wrd);
                return(1);
        case 'f':                       /* float */
                if (!isflt(wrd))
                        return(0);
                *(float *)vp = atof(wrd);
                return(1);
        case 'd':                       /* double */
                if (!isflt(wrd))
                        return(0);
                *(double *)vp = atof(wrd);
                return(1);
        case 's':                       /* string */
                strcpy(vp, wrd);
                return(1);
        default:                        /* unsupported type */
                return(0);
        }
}
Revision:	2.3
Committed:	Sat Feb 22 02:07:22 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.2:	+64 -11 lines
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	Content
1	#ifndef lint
2	static const char RCSid[] = "$Id$";
3	#endif
4	/*
5	* Read white space separated values from stream
6	*
7	* External symbols declared in standard.h
8	*/
9
10	/* ====================================================================
11	* The Radiance Software License, Version 1.0
12	*
13	* Copyright (c) 1990 - 2002 The Regents of the University of California,
14	* through Lawrence Berkeley National Laboratory. All rights reserved.
15	*
16	* Redistribution and use in source and binary forms, with or without
17	* modification, are permitted provided that the following conditions
18	* are met:
19	*
20	* 1. Redistributions of source code must retain the above copyright
21	* notice, this list of conditions and the following disclaimer.
22	*
23	* 2. Redistributions in binary form must reproduce the above copyright
24	* notice, this list of conditions and the following disclaimer in
25	* the documentation and/or other materials provided with the
26	* distribution.
27	*
28	* 3. The end-user documentation included with the redistribution,
29	* if any, must include the following acknowledgment:
30	* "This product includes Radiance software
31	* (http://radsite.lbl.gov/)
32	* developed by the Lawrence Berkeley National Laboratory
33	* (http://www.lbl.gov/)."
34	* Alternately, this acknowledgment may appear in the software itself,
35	* if and wherever such third-party acknowledgments normally appear.
36	*
37	* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
38	* and "The Regents of the University of California" must
39	* not be used to endorse or promote products derived from this
40	* software without prior written permission. For written
41	* permission, please contact [email protected].
42	*
43	* 5. Products derived from this software may not be called "Radiance",
44	* nor may "Radiance" appear in their name, without prior written
45	* permission of Lawrence Berkeley National Laboratory.
46	*
47	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
48	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
50	* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
51	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
52	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
53	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
54	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
55	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
56	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
57	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58	* SUCH DAMAGE.
59	* ====================================================================
60	*
61	* This software consists of voluntary contributions made by many
62	* individuals on behalf of Lawrence Berkeley National Laboratory. For more
63	* information on Lawrence Berkeley National Laboratory, please see
64	* <http://www.lbl.gov/>.
65	*/
66
67	#include <stdio.h>
68
69	#include <math.h>
70
71	#include <stdlib.h>
72
73	#include <string.h>
74
75	#include <ctype.h>
76
77
78
79	int
80	fgetval(fp, ty, vp) /* get specified data word */
81	register FILE *fp;
82	int ty;
83	char *vp;
84	{
85	char wrd[64];
86	register char *cp;
87	register int c;
88	/* elide comments (# to EOL) */
89	do {
90	while ((c = getc(fp)) != EOF && isspace(c))
91	;
92	if (c == '#')
93	while ((c = getc(fp)) != EOF && c != '\n')
94	;
95	} while (c == '\n');
96	if (c == EOF)
97	return(EOF);
98	/* get word */
99	cp = wrd;
100	do {
101	*cp++ = c;
102	if (cp - wrd >= sizeof(wrd))
103	return(0);
104	} while ((c = getc(fp)) != EOF && !isspace(c) && c != '#');
105	if (c != EOF)
106	ungetc(c, fp);
107	*cp = '\0';
108	switch (ty) { /* check and convert it */
109	case 'h': /* short */
110	if (!isint(wrd))
111	return(0);
112	(short )vp = c = atoi(wrd);
113	if ((short )vp != c)
114	return(0);
115	return(1);
116	case 'i': /* integer */
117	if (!isint(wrd))
118	return(0);
119	(int )vp = atoi(wrd);
120	return(1);
121	case 'l': /* long */
122	if (!isint(wrd))
123	return(0);
124	(long )vp = atol(wrd);
125	return(1);
126	case 'f': /* float */
127	if (!isflt(wrd))
128	return(0);
129	(float )vp = atof(wrd);
130	return(1);
131	case 'd': /* double */
132	if (!isflt(wrd))
133	return(0);
134	(double )vp = atof(wrd);
135	return(1);
136	case 's': /* string */
137	strcpy(vp, wrd);
138	return(1);
139	default: /* unsupported type */
140	return(0);
141	}
142	}