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
#	User	Rev	Content
1	greg	2.1	#ifndef lint
2	greg	2.3	static const char RCSid[] = "$Id$";
3	greg	2.1	#endif
4			/*
5			* Read white space separated values from stream
6	greg	2.3	*
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	greg	2.1	*/
66
67			#include <stdio.h>
68
69			#include <math.h>
70
71	greg	2.3	#include <stdlib.h>
72
73			#include <string.h>
74
75	greg	2.1	#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	greg	2.2	if (!isint(wrd))
111	greg	2.1	return(0);
112			(short )vp = c = atoi(wrd);
113			if ((short )vp != c)
114			return(0);
115			return(1);
116			case 'i': /* integer */
117	greg	2.2	if (!isint(wrd))
118	greg	2.1	return(0);
119			(int )vp = atoi(wrd);
120			return(1);
121			case 'l': /* long */
122	greg	2.2	if (!isint(wrd))
123	greg	2.1	return(0);
124			(long )vp = atol(wrd);
125			return(1);
126			case 'f': /* float */
127	greg	2.2	if (!isflt(wrd))
128	greg	2.1	return(0);
129			(float )vp = atof(wrd);
130			return(1);
131			case 'd': /* double */
132	greg	2.2	if (!isflt(wrd))
133	greg	2.1	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			}