1 #include <u.h>
2 #include <libc.h>
3 #include <bin.h>
4 #include <httpd.h>
5 
6 int
7 hurlfmt(Fmt *f)
8 {
9 	char buf[HMaxWord*2];
10 	Rune r;
11 	char *s;
12 	int t;
13 
14 	s = va_arg(f->args, char*);
15 	for(t = 0; t < sizeof(buf) - 8; ){
16 		s += chartorune(&r, s);
17 		if(r == 0)
18 			break;
19 		if(r <= ' ' || r == '%' || r >= Runeself)
20 			t += snprint(&buf[t], sizeof(buf)-t, "%%%2.2x", r);
21 		else
22 			buf[t++] = r;
23 	}
24 	buf[t] = 0;
25 	return fmtstrcpy(f, buf);
26 }