| 14 |
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#include <ctype.h> |
| 15 |
|
|
| 16 |
|
|
| 17 |
+ |
#define isquote(c) (((c) == '"') | ((c) == '\'')) |
| 18 |
+ |
|
| 19 |
+ |
|
| 20 |
|
char * |
| 21 |
|
fgetword( /* get (quoted) word up to n-1 characters */ |
| 22 |
|
char *s, |
| 35 |
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c = getc(fp); |
| 36 |
|
while (isspace(c)); |
| 37 |
|
/* check for quote */ |
| 38 |
< |
if ((c == '"') | (c == '\'')) { |
| 38 |
> |
if (isquote(c)) { |
| 39 |
|
quote = c; |
| 40 |
|
c = getc(fp); |
| 41 |
|
} |
| 42 |
< |
/* get actual word */ |
| 43 |
< |
cp = s; |
| 44 |
< |
while (c != EOF && !(quote ? c==quote : isspace(c))) { |
| 45 |
< |
if (--n <= 0) /* check length limit */ |
| 46 |
< |
break; |
| 47 |
< |
*cp++ = c; |
| 48 |
< |
c = getc(fp); |
| 42 |
> |
cp = s; /* get actual word */ |
| 43 |
> |
while (c != EOF) { |
| 44 |
> |
if (c == quote) /* end quote? */ |
| 45 |
> |
quote = '\0'; |
| 46 |
> |
else if (!quote && isquote(c)) |
| 47 |
> |
quote = c; /* started new quote */ |
| 48 |
> |
else { |
| 49 |
> |
if (!quote && isspace(c)) |
| 50 |
> |
break; /* end of word */ |
| 51 |
> |
if (--n <= 0) |
| 52 |
> |
break; /* hit length limit */ |
| 53 |
> |
*cp++ = c; |
| 54 |
> |
} |
| 55 |
> |
c = getc(fp); /* get next character */ |
| 56 |
|
} |
| 57 |
|
*cp = '\0'; |
| 58 |
< |
if (c == EOF) { /* hit end-of-file? */ |
| 59 |
< |
if (cp == s) /* and got nothing? */ |
| 50 |
< |
return(NULL); |
| 51 |
< |
} else if (!quote) /* replace white character */ |
| 52 |
< |
ungetc(c, fp); |
| 58 |
> |
if ((c == EOF) & (cp == s)) /* hit end-of-file? */ |
| 59 |
> |
return(NULL); |
| 60 |
|
return(s); |
| 61 |
|
} |
