html.c: add html_url_arg
This function can be used to properly escape querystring parameter values. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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							| @@ -128,6 +128,22 @@ void html_attr(char *txt) | ||||
| 		html(txt); | ||||
| } | ||||
|  | ||||
| void html_url_arg(char *txt) | ||||
| { | ||||
| 	char *t = txt; | ||||
| 	while(t && *t){ | ||||
| 		int c = *t; | ||||
| 		if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') { | ||||
| 			write(htmlfd, txt, t - txt); | ||||
| 			write(htmlfd, fmt("%%%2x", c), 3); | ||||
| 			txt = t+1; | ||||
| 		} | ||||
| 		t++; | ||||
| 	} | ||||
| 	if (t!=txt) | ||||
| 		html(txt); | ||||
| } | ||||
|  | ||||
| void html_hidden(char *name, char *value) | ||||
| { | ||||
| 	html("<input type='hidden' name='"); | ||||
|   | ||||
							
								
								
									
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							| @@ -10,6 +10,7 @@ extern void html_status(int code, const char *msg, int more_headers); | ||||
| extern void html_txt(char *txt); | ||||
| extern void html_ntxt(int len, char *txt); | ||||
| extern void html_attr(char *txt); | ||||
| extern void html_url_arg(char *txt); | ||||
| extern void html_hidden(char *name, char *value); | ||||
| extern void html_option(char *value, char *text, char *selected_value); | ||||
| extern void html_link_open(char *url, char *title, char *class); | ||||
|   | ||||
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