| 1 |
– |
/* Copyright (c) 1991 Regents of the University of California */ |
| 2 |
– |
|
| 1 |
|
#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
|
#endif |
| 6 |
– |
|
| 4 |
|
/* |
| 5 |
|
* Read white space separated words from stream |
| 6 |
+ |
* |
| 7 |
+ |
* External symbols declared in standard.h |
| 8 |
|
*/ |
| 9 |
|
|
| 10 |
+ |
#include "copyright.h" |
| 11 |
+ |
|
| 12 |
|
#include <stdio.h> |
| 13 |
|
|
| 14 |
|
#include <ctype.h> |
| 15 |
|
|
| 16 |
|
|
| 17 |
|
char * |
| 18 |
< |
fgetword(s, n, fp) /* get a word, maximum n-1 characters */ |
| 18 |
> |
fgetword(s, n, fp) /* get (quoted) word up to n-1 characters */ |
| 19 |
|
char *s; |
| 20 |
|
int n; |
| 21 |
|
register FILE *fp; |
| 22 |
|
{ |
| 23 |
+ |
int quote = '\0'; |
| 24 |
|
register char *cp; |
| 25 |
|
register int c; |
| 26 |
|
/* skip initial white space */ |
| 27 |
|
do |
| 28 |
|
c = getc(fp); |
| 29 |
|
while (isspace(c)); |
| 30 |
+ |
/* check for quote */ |
| 31 |
+ |
if ((c == '"' | c == '\'')) { |
| 32 |
+ |
quote = c; |
| 33 |
+ |
c = getc(fp); |
| 34 |
+ |
} |
| 35 |
|
/* check for end of file */ |
| 36 |
|
if (c == EOF) |
| 37 |
|
return(NULL); |
| 38 |
|
/* get actual word */ |
| 39 |
|
cp = s; |
| 40 |
|
do { |
| 41 |
< |
if (--n <= 0) /* check length limit */ |
| 41 |
> |
if (--n <= 0) /* check length limit */ |
| 42 |
|
break; |
| 43 |
|
*cp++ = c; |
| 44 |
|
c = getc(fp); |
| 45 |
< |
} while (c != EOF && !isspace(c)); |
| 45 |
> |
} while (c != EOF && !(quote ? c==quote : isspace(c))); |
| 46 |
|
*cp = '\0'; |
| 47 |
< |
if (c != EOF) /* replace delimiter */ |
| 47 |
> |
if ((c != EOF & !quote)) /* replace space */ |
| 48 |
|
ungetc(c, fp); |
| 49 |
|
return(s); |
| 43 |
– |
} |
| 44 |
– |
|
| 45 |
– |
|
| 46 |
– |
isint(s) /* check integer format */ |
| 47 |
– |
char *s; |
| 48 |
– |
{ |
| 49 |
– |
register char *cp = s; |
| 50 |
– |
|
| 51 |
– |
while (isspace(*cp)) |
| 52 |
– |
cp++; |
| 53 |
– |
if (*cp == '-' || *cp == '+') |
| 54 |
– |
cp++; |
| 55 |
– |
do |
| 56 |
– |
if (!isdigit(*cp)) |
| 57 |
– |
return(0); |
| 58 |
– |
while (*++cp); |
| 59 |
– |
return(1); |
| 60 |
– |
} |
| 61 |
– |
|
| 62 |
– |
|
| 63 |
– |
isflt(s) /* check float format */ |
| 64 |
– |
char *s; |
| 65 |
– |
{ |
| 66 |
– |
register char *cp = s; |
| 67 |
– |
|
| 68 |
– |
while (isspace(*cp)) |
| 69 |
– |
cp++; |
| 70 |
– |
if (*cp == '-' || *cp == '+') |
| 71 |
– |
cp++; |
| 72 |
– |
s = cp; |
| 73 |
– |
while (isdigit(*cp)) |
| 74 |
– |
cp++; |
| 75 |
– |
if (*cp == '.') { |
| 76 |
– |
cp++; s++; |
| 77 |
– |
while (isdigit(*cp)) |
| 78 |
– |
cp++; |
| 79 |
– |
} |
| 80 |
– |
if (cp == s) |
| 81 |
– |
return(0); |
| 82 |
– |
if (*cp == 'e' || *cp == 'E') |
| 83 |
– |
return(isint(cp+1)); |
| 84 |
– |
return(1); |
| 50 |
|
} |
