#ifndef lint
static const char RCSid[] = "$Id: fgetval.c,v 2.3 2003/02/22 02:07:22 greg Exp $";
#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 radiance@radsite.lbl.gov.
*
* 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
* .
*/
#include
#include
#include
#include
#include
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);
}
}