src/common/fgetword.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 * Read white space separated words 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  <ctype.h>


char *
fgetword(s, n, fp)              /* get (quoted) word up to n-1 characters */
char  *s;
int  n;
register FILE  *fp;
{
        int  quote = '\0';
        register char  *cp;
        register int  c;
                                        /* skip initial white space */
        do
                c = getc(fp);
        while (isspace(c));
                                        /* check for quote */
        if ((c == '"' | c == '\'')) {
                quote = c;
                c = getc(fp);
        }
                                        /* check for end of file */
        if (c == EOF)
                return(NULL);
                                        /* get actual word */
        cp = s;
        do {
                if (--n <= 0)           /* check length limit */
                        break;
                *cp++ = c;
                c = getc(fp);
        } while (c != EOF && !(quote ? c==quote : isspace(c)));
        *cp = '\0';
        if ((c != EOF & !quote))        /* replace space */
                ungetc(c, fp);
        return(s);
}
Revision:	2.2
Committed:	Sat Feb 22 02:07:22 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.1:	+70 -8 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 words 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 <ctype.h>
70
71
72	char *
73	fgetword(s, n, fp) /* get (quoted) word up to n-1 characters */
74	char *s;
75	int n;
76	register FILE *fp;
77	{
78	int quote = '\0';
79	register char *cp;
80	register int c;
81	/* skip initial white space */
82	do
83	c = getc(fp);
84	while (isspace(c));
85	/* check for quote */
86	if ((c == '"' \| c == '\'')) {
87	quote = c;
88	c = getc(fp);
89	}
90	/* check for end of file */
91	if (c == EOF)
92	return(NULL);
93	/* get actual word */
94	cp = s;
95	do {
96	if (--n <= 0) /* check length limit */
97	break;
98	*cp++ = c;
99	c = getc(fp);
100	} while (c != EOF && !(quote ? c==quote : isspace(c)));
101	*cp = '\0';
102	if ((c != EOF & !quote)) /* replace space */
103	ungetc(c, fp);
104	return(s);
105	}