| 14 |
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#include <ctype.h> |
| 15 |
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#include <string.h> |
| 16 |
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|
| 17 |
+ |
#include "rtio.h" |
| 18 |
+ |
|
| 19 |
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/* |
| 20 |
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* rexpr.c - regular expression parser (ala grep) |
| 21 |
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*/ |
| 35 |
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#define same(a,b) (a==b || (iflag && (a^b)==' ' && isalpha(a))) |
| 36 |
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|
| 37 |
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|
| 38 |
< |
static int advance(), cclass(); |
| 38 |
> |
static int advance(char *, char *); |
| 39 |
> |
static int cclass(char *, int c, int af); |
| 40 |
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|
| 41 |
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static char expbuf[ESIZE]; |
| 42 |
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static int iflag; |
| 49 |
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register char *sp; |
| 50 |
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int iflg, wflag; |
| 51 |
|
{ |
| 52 |
< |
register c; |
| 52 |
> |
register int c; |
| 53 |
|
register char *ep; |
| 54 |
< |
char *lastep; |
| 54 |
> |
char *lastep = NULL; |
| 55 |
|
int cclcnt; |
| 56 |
|
|
| 57 |
|
iflag = iflg; |
| 167 |
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return(NULL); |
| 168 |
|
/* fast check for first character */ |
| 169 |
|
if (expbuf[0]==CCHR) { |
| 170 |
< |
register c = expbuf[1]; |
| 170 |
> |
register int c = expbuf[1]; |
| 171 |
|
while (*++sp) |
| 172 |
|
if (same(*sp, c) && advance(sp, expbuf)) |
| 173 |
|
return(sp); |
| 271 |
|
static int |
| 272 |
|
cclass(set, c, af) |
| 273 |
|
register char *set; |
| 274 |
< |
register c; |
| 274 |
> |
register int c; |
| 275 |
|
int af; |
| 276 |
|
{ |
| 277 |
< |
register n; |
| 277 |
> |
register int n; |
| 278 |
|
|
| 279 |
|
if (c == 0) |
| 280 |
|
return(0); |