1 d957951b 2005-02-11 devnull #include <u.h>
 2 d957951b 2005-02-11 devnull #include <ctype.h>
 3 d957951b 2005-02-11 devnull 
 4 d957951b 2005-02-11 devnull /*
 5 d957951b 2005-02-11 devnull  *  return ndb attribute type of an ip name
 6 d957951b 2005-02-11 devnull  */
 7 d957951b 2005-02-11 devnull char*
 8 d957951b 2005-02-11 devnull ipattr(char *name)
 9 d957951b 2005-02-11 devnull {
10 d957951b 2005-02-11 devnull 	char *p, c;
11 d957951b 2005-02-11 devnull 	int dot = 0;
12 d957951b 2005-02-11 devnull 	int alpha = 0;
13 d957951b 2005-02-11 devnull 	int colon = 0;
14 d957951b 2005-02-11 devnull 	int hex = 0;
15 d957951b 2005-02-11 devnull 
16 d957951b 2005-02-11 devnull 	for(p = name; *p; p++){
17 d957951b 2005-02-11 devnull 		c = *p;
18 1c171e3a 2005-07-19 devnull 		if(isdigit((uchar)c))
19 d957951b 2005-02-11 devnull 			continue;
20 1c171e3a 2005-07-19 devnull 		if(isxdigit((uchar)c))
21 d957951b 2005-02-11 devnull 			hex = 1;
22 1c171e3a 2005-07-19 devnull 		else if(isalpha((uchar)c) || c == '-')
23 d957951b 2005-02-11 devnull 			alpha = 1;
24 d957951b 2005-02-11 devnull 		else if(c == '.')
25 d957951b 2005-02-11 devnull 			dot = 1;
26 d957951b 2005-02-11 devnull 		else if(c == ':')
27 d957951b 2005-02-11 devnull 			colon = 1;
28 d957951b 2005-02-11 devnull 		else
29 d957951b 2005-02-11 devnull 			return "sys";
30 d957951b 2005-02-11 devnull 	}
31 d957951b 2005-02-11 devnull 
32 d957951b 2005-02-11 devnull 	if(alpha){
33 d957951b 2005-02-11 devnull 		if(dot)
34 d957951b 2005-02-11 devnull 			return "dom";
35 d957951b 2005-02-11 devnull 		else
36 d957951b 2005-02-11 devnull 			return "sys";
37 d957951b 2005-02-11 devnull 	}
38 d957951b 2005-02-11 devnull 
39 d957951b 2005-02-11 devnull 	if(colon)
40 d957951b 2005-02-11 devnull 		return "ip";	/* ip v6 */
41 d957951b 2005-02-11 devnull 
42 d957951b 2005-02-11 devnull 	if(dot && !hex)
43 d957951b 2005-02-11 devnull 		return "ip";
44 d957951b 2005-02-11 devnull 	else
45 d957951b 2005-02-11 devnull 		return "sys";
46 d957951b 2005-02-11 devnull }