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