/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <bin.h>#include <httpd.h> /* *  go from http with latin1 escapes to utf, *  we assume that anything >= Runeself is already in utf */char *httpunesc(HConnect *cc, char *s){	char *t, *v;	int c;	Htmlesc *e; 	v = halloc(cc, UTFmax*strlen(s) + 1);	for(t = v; c = *s;){		if(c == '&'){			if(s[1] == '#' && s[2] && s[3] && s[4] && s[5] == ';'){				c = atoi(s+2);				if(c < Runeself){					*t++ = c;					s += 6;					continue;				}				if(c < 256 && c >= 161){					e = &htmlesc[c-161];					t += runetochar(t, &e->value);					s += 6;					continue;				}			} else {				for(e = htmlesc; e->name != nil; e++)					if(strncmp(e->name, s, strlen(e->name)) == 0)						break;				if(e->name != nil){					t += runetochar(t, &e->value);					s += strlen(e->name);					continue;				}			}		}		*t++ = c;		s++;	}	*t = 0;	return v;}