4 |
|
/* |
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|
* Read white space separated words from stream |
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|
* |
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< |
* External symbols declared in standard.h |
7 |
> |
* External symbols declared in rtio.h |
8 |
|
*/ |
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|
|
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< |
/* ==================================================================== |
11 |
< |
* The Radiance Software License, Version 1.0 |
12 |
< |
* |
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< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
14 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
15 |
< |
* |
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< |
* Redistribution and use in source and binary forms, with or without |
17 |
< |
* modification, are permitted provided that the following conditions |
18 |
< |
* are met: |
19 |
< |
* |
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< |
* 1. Redistributions of source code must retain the above copyright |
21 |
< |
* 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 |
24 |
< |
* notice, this list of conditions and the following disclaimer in |
25 |
< |
* 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, |
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. |
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< |
* |
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 |
< |
*/ |
10 |
> |
#include "copyright.h" |
11 |
|
|
12 |
< |
#include <stdio.h> |
12 |
> |
#include "rtio.h" |
13 |
|
|
14 |
|
#include <ctype.h> |
15 |
|
|
16 |
|
|
17 |
|
char * |
18 |
< |
fgetword(s, n, fp) /* get (quoted) word up to n-1 characters */ |
19 |
< |
char *s; |
20 |
< |
int n; |
21 |
< |
register FILE *fp; |
18 |
> |
fgetword( /* get (quoted) word up to n-1 characters */ |
19 |
> |
char *s, |
20 |
> |
int n, |
21 |
> |
FILE *fp |
22 |
> |
) |
23 |
|
{ |
24 |
|
int quote = '\0'; |
25 |
< |
register char *cp; |
26 |
< |
register int c; |
25 |
> |
char *cp; |
26 |
> |
int c; |
27 |
> |
/* sanity checks */ |
28 |
> |
if ((s == NULL) | (n < 2)) |
29 |
> |
return(NULL); |
30 |
|
/* skip initial white space */ |
31 |
|
do |
32 |
|
c = getc(fp); |
33 |
|
while (isspace(c)); |
34 |
|
/* check for quote */ |
35 |
< |
if ((c == '"' | c == '\'')) { |
35 |
> |
if ((c == '"') | (c == '\'')) { |
36 |
|
quote = c; |
37 |
|
c = getc(fp); |
38 |
|
} |
90 |
– |
/* check for end of file */ |
91 |
– |
if (c == EOF) |
92 |
– |
return(NULL); |
39 |
|
/* get actual word */ |
40 |
|
cp = s; |
41 |
< |
do { |
41 |
> |
while (c != EOF && !(quote ? c==quote : isspace(c))) { |
42 |
|
if (--n <= 0) /* check length limit */ |
43 |
|
break; |
44 |
|
*cp++ = c; |
45 |
|
c = getc(fp); |
46 |
< |
} while (c != EOF && !(quote ? c==quote : isspace(c))); |
46 |
> |
} |
47 |
|
*cp = '\0'; |
48 |
< |
if ((c != EOF & !quote)) /* replace space */ |
48 |
> |
if (c == EOF) { /* hit end-of-file? */ |
49 |
> |
if (cp == s) /* and got nothing? */ |
50 |
> |
return(NULL); |
51 |
> |
} else if (!quote) /* replace white character */ |
52 |
|
ungetc(c, fp); |
53 |
|
return(s); |
54 |
|
} |