html.c: use correct escaping in html attributes

First, an apostrophe is not a quote. Second, we also need to escape
quotes. And finally, quotes are encoded as '"', not '&quote;'.

Sighned-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/html.c b/html.c
index d7d9fd7..66ba65d 100644
--- a/html.c
+++ b/html.c
@@ -109,20 +109,22 @@ void html_ntxt(int len, char *txt)
 
 void html_attr(char *txt)
 {
         char *t = txt;
         while(t && *t){
                 int c = *t;
-                if (c=='<' || c=='>' || c=='\'') {
+                if (c=='<' || c=='>' || c=='\'' || c=='\"') {
                         write(htmlfd, txt, t - txt);
                         if (c=='>')
                                 html("&gt;");
                         else if (c=='<')
                                 html("&lt;");
                         else if (c=='\'')
-                                html("&quote;");
+                                html("&#x27;");
+                        else if (c=='"')
+                                html("&quot;");
                         txt = t+1;
                 }
                 t++;
         }
         if (t!=txt)
                 html(txt);