html.c: add various strbuf and varadic helpers

This adds the fmtalloc helper, html_txtf, html_vtxtf, and html_attrf.

These takes a printf style format string like htmlf but escapes the
resulting string.  The html_vtxtf variant takes a va_list whereas
html_txtf is variadic.

Signed-off-by: John Keeping <john@keeping.me.uk>
This commit is contained in:
John Keeping 2013-04-07 14:40:50 +01:00 committed by Jason A. Donenfeld
parent 57d09bf448
commit fd00d2f9d6
3 changed files with 63 additions and 4 deletions

11
html.h
View file

@ -1,7 +1,7 @@
#ifndef HTML_H
#define HTML_H
#include <stddef.h>
#include "cgit.h"
extern void html_raw(const char *txt, size_t size);
extern void html(const char *txt);
@ -9,6 +9,15 @@ extern void html(const char *txt);
__attribute__((format (printf,1,2)))
extern void htmlf(const char *format,...);
__attribute__((format (printf,1,2)))
extern void html_txtf(const char *format,...);
__attribute__((format (printf,1,0)))
extern void html_vtxtf(const char *format, va_list ap);
__attribute__((format (printf,1,2)))
extern void html_attrf(const char *format,...);
extern void html_status(int code, const char *msg, int more_headers);
extern void html_txt(const char *txt);
extern void html_ntxt(int len, const char *txt);