Chris@42: /*
Chris@42:  * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@42:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@42:  *
Chris@42:  * This program is free software; you can redistribute it and/or modify
Chris@42:  * it under the terms of the GNU General Public License as published by
Chris@42:  * the Free Software Foundation; either version 2 of the License, or
Chris@42:  * (at your option) any later version.
Chris@42:  *
Chris@42:  * This program is distributed in the hope that it will be useful,
Chris@42:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@42:  * GNU General Public License for more details.
Chris@42:  *
Chris@42:  * You should have received a copy of the GNU General Public License
Chris@42:  * along with this program; if not, write to the Free Software
Chris@42:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Chris@42:  *
Chris@42:  */
Chris@42: 
Chris@42: #include "api.h"
Chris@42: #include <stdio.h>
Chris@42: 
Chris@42: #define BUFSZ 256
Chris@42: 
Chris@42: typedef struct {
Chris@42:      printer super;
Chris@42:      FILE *f;
Chris@42:      char buf[BUFSZ];
Chris@42:      char *bufw;
Chris@42: } P;
Chris@42: 
Chris@42: static void myflush(P *p)
Chris@42: {
Chris@42:      fwrite(p->buf, 1, p->bufw - p->buf, p->f);
Chris@42:      p->bufw = p->buf;
Chris@42: }
Chris@42: 
Chris@42: static void myputchr(printer *p_, char c)
Chris@42: {
Chris@42:      P *p = (P *) p_;
Chris@42:      if (p->bufw >= p->buf + BUFSZ)
Chris@42: 	  myflush(p);
Chris@42:      *p->bufw++ = c;
Chris@42: }
Chris@42: 
Chris@42: static void mycleanup(printer *p_)
Chris@42: {
Chris@42:      P *p = (P *) p_;
Chris@42:      myflush(p);
Chris@42: }
Chris@42: 
Chris@42: printer *X(mkprinter_file)(FILE *f)
Chris@42: {
Chris@42:      P *p = (P *) X(mkprinter)(sizeof(P), myputchr, mycleanup);
Chris@42:      p->f = f;
Chris@42:      p->bufw = p->buf;
Chris@42:      return &p->super;
Chris@42: }