shithub: riscv

ref: 956ff38121ca10af2fc33dd1700f29bb80bf716c
dir: /sys/src/libhttpd/urlfmt.c/

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#include <u.h>
#include <libc.h>
#include <bin.h>
#include <httpd.h>

int
hurlfmt(Fmt *f)
{
	char buf[HMaxWord*2];
	Rune r;
	char *s;
	int t;

	s = va_arg(f->args, char*);
	for(t = 0; t < sizeof(buf) - 8; ){
		s += chartorune(&r, s);
		if(r == 0)
			break;
		if(r <= ' ' || r == '%' || r >= Runeself)
			t += snprint(&buf[t], sizeof(buf)-t, "%%%2.2x", r);
		else
			buf[t++] = r;
	}
	buf[t] = 0;
	return fmtstrcpy(f, buf);
}