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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revize
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16
html.c
16
html.c
@ -128,6 +128,22 @@ void html_attr(char *txt)
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html(txt);
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}
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void html_url_arg(char *txt)
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{
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char *t = txt;
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while(t && *t){
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int c = *t;
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if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') {
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write(htmlfd, txt, t - txt);
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write(htmlfd, fmt("%%%2x", c), 3);
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txt = t+1;
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}
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t++;
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}
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if (t!=txt)
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html(txt);
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}
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void html_hidden(char *name, char *value)
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{
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html("<input type='hidden' name='");
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1
html.h
1
html.h
@ -10,6 +10,7 @@ extern void html_status(int code, const char *msg, int more_headers);
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extern void html_txt(char *txt);
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extern void html_ntxt(int len, char *txt);
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extern void html_attr(char *txt);
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extern void html_url_arg(char *txt);
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extern void html_hidden(char *name, char *value);
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extern void html_option(char *value, char *text, char *selected_value);
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extern void html_link_open(char *url, char *title, char *class);
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