blob: 70f3873cea4af6ab31e258bb4424a2ac993ef909 [file] [log] [blame]
#include <u.h>
#include <ctype.h>
/*
* return ndb attribute type of an ip name
*/
char*
ipattr(char *name)
{
char *p, c;
int dot = 0;
int alpha = 0;
int colon = 0;
int hex = 0;
for(p = name; *p; p++){
c = *p;
if(isdigit((uchar)c))
continue;
if(isxdigit((uchar)c))
hex = 1;
else if(isalpha((uchar)c) || c == '-')
alpha = 1;
else if(c == '.')
dot = 1;
else if(c == ':')
colon = 1;
else
return "sys";
}
if(alpha){
if(dot)
return "dom";
else
return "sys";
}
if(colon)
return "ip"; /* ip v6 */
if(dot && !hex)
return "ip";
else
return "sys";
}