1 b2cfc4e2 2003-09-30 devnull #include <lib9.h>
 2 b2cfc4e2 2003-09-30 devnull 
 3 b2cfc4e2 2003-09-30 devnull int
 4 b2cfc4e2 2003-09-30 devnull getfields(char *str, char **args, int max, int mflag, char *set)
 5 b2cfc4e2 2003-09-30 devnull {
 6 b2cfc4e2 2003-09-30 devnull 	Rune r;
 7 b2cfc4e2 2003-09-30 devnull 	int nr, intok, narg;
 8 b2cfc4e2 2003-09-30 devnull 
 9 b2cfc4e2 2003-09-30 devnull 	if(max <= 0)
10 b2cfc4e2 2003-09-30 devnull 		return 0;
11 b2cfc4e2 2003-09-30 devnull 
12 b2cfc4e2 2003-09-30 devnull 	narg = 0;
13 b2cfc4e2 2003-09-30 devnull 	args[narg] = str;
14 b2cfc4e2 2003-09-30 devnull 	if(!mflag)
15 b2cfc4e2 2003-09-30 devnull 		narg++;
16 b2cfc4e2 2003-09-30 devnull 	intok = 0;
17 b2cfc4e2 2003-09-30 devnull 	for(;; str += nr) {
18 b2cfc4e2 2003-09-30 devnull 		nr = chartorune(&r, str);
19 b2cfc4e2 2003-09-30 devnull 		if(r == 0)
20 b2cfc4e2 2003-09-30 devnull 			break;
21 b2cfc4e2 2003-09-30 devnull 		if(utfrune(set, r)) {
22 b2cfc4e2 2003-09-30 devnull 			if(narg >= max)
23 b2cfc4e2 2003-09-30 devnull 				break;
24 b2cfc4e2 2003-09-30 devnull 			*str = 0;
25 b2cfc4e2 2003-09-30 devnull 			intok = 0;
26 b2cfc4e2 2003-09-30 devnull 			args[narg] = str + nr;
27 b2cfc4e2 2003-09-30 devnull 			if(!mflag)
28 b2cfc4e2 2003-09-30 devnull 				narg++;
29 b2cfc4e2 2003-09-30 devnull 		} else {
30 b2cfc4e2 2003-09-30 devnull 			if(!intok && mflag)
31 b2cfc4e2 2003-09-30 devnull 				narg++;
32 b2cfc4e2 2003-09-30 devnull 			intok = 1;
33 b2cfc4e2 2003-09-30 devnull 		}
34 b2cfc4e2 2003-09-30 devnull 	}
35 b2cfc4e2 2003-09-30 devnull 	return narg;
36 b2cfc4e2 2003-09-30 devnull }