src/common/wordfile.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 * Load whitespace separated words from a file into an array.
 * Assume the passed pointer array is big enough to hold them all.
 *
 * 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 <ctype.h>

#define NULL            0

#define MAXFLEN         8192            /* file must be smaller than this */

extern char     *bmalloc();


int
wordfile(words, fname)          /* get words from fname, put in words */
char    **words;
char    *fname;
{
        int     fd;
        char    buf[MAXFLEN];
        register int    n;
                                        /* load file into buffer */
        if (fname == NULL)
                return(-1);                     /* no filename */
        if ((fd = open(fname, 0)) < 0)
                return(-1);                     /* open error */
        n = read(fd, buf, MAXFLEN);
        close(fd);
        if (n < 0)                              /* read error */
                return(-1);
        if (n == MAXFLEN)               /* file too big, take what we can */
                while (!isspace(buf[--n]))
                        if (n <= 0)             /* one long word! */
                                return(-1);
        buf[n] = '\0';                  /* terminate */
        return(wordstring(words, buf)); /* wordstring does the rest */
}


int
wordstring(avl, str)                    /* allocate and load argument list */
char    **avl;
char    *str;
{
        register char   *cp, **ap;
        
        if (str == NULL)
                return(-1);
        cp = bmalloc(strlen(str)+1);
        if (cp == NULL)                 /* ENOMEM */
                return(-1);
        strcpy(cp, str);
        ap = avl;               /* parse into words */
        for ( ; ; ) {
                while (isspace(*cp))    /* nullify spaces */
                        *cp++ = '\0';
                if (!*cp)               /* all done? */
                        break;
                *ap++ = cp;             /* add argument to list */
                while (*++cp && !isspace(*cp))
                        ;
        }
        *ap = NULL;
        return(ap - avl);
}
Revision:	2.8
Committed:	Sat Feb 22 02:07:23 2003 UTC (22 years, 8 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.7:	+60 -4 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	2.8	static const char RCSid[] = "$Id$";
3	greg	2.1	#endif
4			/*
5			* Load whitespace separated words from a file into an array.
6			* Assume the passed pointer array is big enough to hold them all.
7	greg	2.8	*
8			* External symbols declared in standard.h
9			*/
10
11			/* ====================================================================
12			* The Radiance Software License, Version 1.0
13			*
14			* Copyright (c) 1990 - 2002 The Regents of the University of California,
15			* through Lawrence Berkeley National Laboratory. All rights reserved.
16			*
17			* Redistribution and use in source and binary forms, with or without
18			* modification, are permitted provided that the following conditions
19			* are met:
20			*
21			* 1. Redistributions of source code must retain the above copyright
22			* notice, this list of conditions and the following disclaimer.
23			*
24			* 2. Redistributions in binary form must reproduce the above copyright
25			* notice, this list of conditions and the following disclaimer in
26			* the documentation and/or other materials provided with the
27			* distribution.
28			*
29			* 3. The end-user documentation included with the redistribution,
30			* if any, must include the following acknowledgment:
31			* "This product includes Radiance software
32			* (http://radsite.lbl.gov/)
33			* developed by the Lawrence Berkeley National Laboratory
34			* (http://www.lbl.gov/)."
35			* Alternately, this acknowledgment may appear in the software itself,
36			* if and wherever such third-party acknowledgments normally appear.
37			*
38			* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
39			* and "The Regents of the University of California" must
40			* not be used to endorse or promote products derived from this
41			* software without prior written permission. For written
42			* permission, please contact [email protected].
43			*
44			* 5. Products derived from this software may not be called "Radiance",
45			* nor may "Radiance" appear in their name, without prior written
46			* permission of Lawrence Berkeley National Laboratory.
47			*
48			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
49			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
50			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
51			* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
52			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
53			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
54			* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
55			* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
56			* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
57			* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
58			* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59			* SUCH DAMAGE.
60			* ====================================================================
61			*
62			* This software consists of voluntary contributions made by many
63			* individuals on behalf of Lawrence Berkeley National Laboratory. For more
64			* information on Lawrence Berkeley National Laboratory, please see
65			* <http://www.lbl.gov/>.
66	greg	2.1	*/
67
68	greg	2.2	#include <ctype.h>
69
70	greg	2.1	#define NULL 0
71
72	greg	2.3	#define MAXFLEN 8192 /* file must be smaller than this */
73	greg	2.1
74			extern char *bmalloc();
75
76
77			int
78			wordfile(words, fname) /* get words from fname, put in words */
79			char **words;
80			char *fname;
81			{
82			int fd;
83	greg	2.3	char buf[MAXFLEN];
84	greg	2.1	register int n;
85	greg	2.3	/* load file into buffer */
86	greg	2.7	if (fname == NULL)
87			return(-1); /* no filename */
88	greg	2.1	if ((fd = open(fname, 0)) < 0)
89	greg	2.3	return(-1); /* open error */
90	greg	2.2	n = read(fd, buf, MAXFLEN);
91	greg	2.1	close(fd);
92	greg	2.3	if (n < 0) /* read error */
93			return(-1);
94	greg	2.2	if (n == MAXFLEN) /* file too big, take what we can */
95	greg	2.1	while (!isspace(buf[--n]))
96	greg	2.3	if (n <= 0) /* one long word! */
97			return(-1);
98			buf[n] = '\0'; /* terminate */
99			return(wordstring(words, buf)); /* wordstring does the rest */
100			}
101
102
103			int
104			wordstring(avl, str) /* allocate and load argument list */
105			char **avl;
106			char *str;
107			{
108			register char cp, *ap;
109
110			if (str == NULL)
111			return(-1);
112			cp = bmalloc(strlen(str)+1);
113			if (cp == NULL) /* ENOMEM */
114			return(-1);
115			strcpy(cp, str);
116	greg	2.4	ap = avl; /* parse into words */
117			for ( ; ; ) {
118			while (isspace(cp)) / nullify spaces */
119			*cp++ = '\0';
120			if (!cp) / all done? */
121			break;
122			ap++ = cp; / add argument to list */
123	greg	2.6	while (++cp && !isspace(cp))
124			;
125	greg	2.1	}
126	greg	2.3	*ap = NULL;
127			return(ap - avl);
128	greg	2.1	}