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/* Copyright (c) 1992 Regents of the University of California */ |
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|
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Load whitespace separated words from a file into an array. |
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* Assume the passed pointer array is big enough to hold them all. |
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* |
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* External symbols declared in standard.h |
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*/ |
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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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|
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#include <ctype.h> |
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#define NULL 0 |
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#define MAXFLEN 10240 /* file must be smaller than this */ |
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#define MAXFLEN 8192 /* file must be smaller than this */ |
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|
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extern char *bmalloc(); |
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|
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char **words; |
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char *fname; |
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{ |
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char **wp = words; |
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int fd; |
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char *buf; |
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char buf[MAXFLEN]; |
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register int n; |
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register char *cp; |
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/* allocate memory */ |
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if ((cp = buf = bmalloc(MAXFLEN)) == NULL) |
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return(-1); |
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/* load file into buffer */ |
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if (fname == NULL) |
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return(-1); /* no filename */ |
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if ((fd = open(fname, 0)) < 0) |
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goto err; |
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return(-1); /* open error */ |
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n = read(fd, buf, MAXFLEN); |
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close(fd); |
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if (n < 0) |
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goto err; |
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if (n < 0) /* read error */ |
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return(-1); |
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if (n == MAXFLEN) /* file too big, take what we can */ |
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while (!isspace(buf[--n])) |
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if (n <= 0) |
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goto err; |
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bfree(buf+n+1, MAXFLEN-n-1); /* return unneeded memory */ |
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while (n > 0) { /* break buffer into words */ |
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while (isspace(*cp)) { |
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cp++; |
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if (--n <= 0) |
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return(wp - words); |
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} |
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*wp++ = cp; |
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while (!isspace(*cp)) { |
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cp++; |
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if (--n <= 0) |
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break; |
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} |
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*cp++ = '\0'; n--; |
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if (n <= 0) /* one long word! */ |
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return(-1); |
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buf[n] = '\0'; /* terminate */ |
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return(wordstring(words, buf)); /* wordstring does the rest */ |
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} |
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|
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|
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int |
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wordstring(avl, str) /* allocate and load argument list */ |
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char **avl; |
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char *str; |
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{ |
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register char *cp, **ap; |
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|
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if (str == NULL) |
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return(-1); |
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cp = bmalloc(strlen(str)+1); |
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if (cp == NULL) /* ENOMEM */ |
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return(-1); |
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strcpy(cp, str); |
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ap = avl; /* parse into words */ |
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for ( ; ; ) { |
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while (isspace(*cp)) /* nullify spaces */ |
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*cp++ = '\0'; |
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if (!*cp) /* all done? */ |
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break; |
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*ap++ = cp; /* add argument to list */ |
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while (*++cp && !isspace(*cp)) |
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; |
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} |
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*wp = NULL; /* null terminator */ |
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return(wp - words); |
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err: |
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bfree(buf, MAXFLEN); |
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return(-1); |
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*ap = NULL; |
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return(ap - avl); |
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} |