Ejemplo n.º 1
0
static void
ps_putchar(struct termp *p, char c)
{
	int		 pos;

	/* See ps_printf(). */

	if ( ! (PS_MARGINS & p->ps->flags)) {
		putchar(c);
		p->ps->pdfbytes++;
		return;
	}

	ps_growbuf(p, 2);

	pos = (int)p->ps->psmargcur++;
	p->ps->psmarg[pos++] = c;
	p->ps->psmarg[pos] = '\0';
}
Ejemplo n.º 2
0
static void
ps_printf(struct termp *p, const char *fmt, ...)
{
	va_list		 ap;
	int		 pos, len;

	va_start(ap, fmt);

	/*
	 * If we're running in regular mode, then pipe directly into
	 * vprintf().  If we're processing margins, then push the data
	 * into our growable margin buffer.
	 */

	if ( ! (PS_MARGINS & p->ps->flags)) {
		len = vprintf(fmt, ap);
		va_end(ap);
		p->ps->pdfbytes += /* LINTED */
			len < 0 ? 0 : (size_t)len;
		return;
	}

	/* 
	 * XXX: I assume that the in-margin print won't exceed
	 * PS_BUFSLOP (128 bytes), which is reasonable but still an
	 * assumption that will cause pukeage if it's not the case.
	 */

	ps_growbuf(p, PS_BUFSLOP);

	pos = (int)p->ps->psmargcur;
	vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);

	va_end(ap);

	p->ps->psmargcur = strlen(p->ps->psmarg);
}