cannam@127: /*
cannam@127:  * Copyright (c) 2003, 2007-14 Matteo Frigo
cannam@127:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
cannam@127:  *
cannam@127:  * This program is free software; you can redistribute it and/or modify
cannam@127:  * it under the terms of the GNU General Public License as published by
cannam@127:  * the Free Software Foundation; either version 2 of the License, or
cannam@127:  * (at your option) any later version.
cannam@127:  *
cannam@127:  * This program is distributed in the hope that it will be useful,
cannam@127:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@127:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@127:  * GNU General Public License for more details.
cannam@127:  *
cannam@127:  * You should have received a copy of the GNU General Public License
cannam@127:  * along with this program; if not, write to the Free Software
cannam@127:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@127:  *
cannam@127:  */
cannam@127: 
cannam@127: #include "api.h"
cannam@127: #include <stdio.h>
cannam@127: 
cannam@127: #define BUFSZ 256
cannam@127: 
cannam@127: typedef struct {
cannam@127:      printer super;
cannam@127:      FILE *f;
cannam@127:      char buf[BUFSZ];
cannam@127:      char *bufw;
cannam@127: } P;
cannam@127: 
cannam@127: static void myflush(P *p)
cannam@127: {
cannam@127:      fwrite(p->buf, 1, p->bufw - p->buf, p->f);
cannam@127:      p->bufw = p->buf;
cannam@127: }
cannam@127: 
cannam@127: static void myputchr(printer *p_, char c)
cannam@127: {
cannam@127:      P *p = (P *) p_;
cannam@127:      if (p->bufw >= p->buf + BUFSZ)
cannam@127: 	  myflush(p);
cannam@127:      *p->bufw++ = c;
cannam@127: }
cannam@127: 
cannam@127: static void mycleanup(printer *p_)
cannam@127: {
cannam@127:      P *p = (P *) p_;
cannam@127:      myflush(p);
cannam@127: }
cannam@127: 
cannam@127: printer *X(mkprinter_file)(FILE *f)
cannam@127: {
cannam@127:      P *p = (P *) X(mkprinter)(sizeof(P), myputchr, mycleanup);
cannam@127:      p->f = f;
cannam@127:      p->bufw = p->buf;
cannam@127:      return &p->super;
cannam@127: }