annotate src/fftw-3.3.3/api/mkprinter-file.c @ 169:223a55898ab9 tip default

Add null config files
author Chris Cannam <cannam@all-day-breakfast.com>
date Mon, 02 Mar 2020 14:03:47 +0000
parents 89f5e221ed7b
children
rev   line source
cannam@95 1 /*
cannam@95 2 * Copyright (c) 2003, 2007-11 Matteo Frigo
cannam@95 3 * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology
cannam@95 4 *
cannam@95 5 * This program is free software; you can redistribute it and/or modify
cannam@95 6 * it under the terms of the GNU General Public License as published by
cannam@95 7 * the Free Software Foundation; either version 2 of the License, or
cannam@95 8 * (at your option) any later version.
cannam@95 9 *
cannam@95 10 * This program is distributed in the hope that it will be useful,
cannam@95 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@95 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
cannam@95 13 * GNU General Public License for more details.
cannam@95 14 *
cannam@95 15 * You should have received a copy of the GNU General Public License
cannam@95 16 * along with this program; if not, write to the Free Software
cannam@95 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
cannam@95 18 *
cannam@95 19 */
cannam@95 20
cannam@95 21 #include "api.h"
cannam@95 22 #include <stdio.h>
cannam@95 23
cannam@95 24 #define BUFSZ 256
cannam@95 25
cannam@95 26 typedef struct {
cannam@95 27 printer super;
cannam@95 28 FILE *f;
cannam@95 29 char buf[BUFSZ];
cannam@95 30 char *bufw;
cannam@95 31 } P;
cannam@95 32
cannam@95 33 static void myflush(P *p)
cannam@95 34 {
cannam@95 35 fwrite(p->buf, 1, p->bufw - p->buf, p->f);
cannam@95 36 p->bufw = p->buf;
cannam@95 37 }
cannam@95 38
cannam@95 39 static void myputchr(printer *p_, char c)
cannam@95 40 {
cannam@95 41 P *p = (P *) p_;
cannam@95 42 if (p->bufw >= p->buf + BUFSZ)
cannam@95 43 myflush(p);
cannam@95 44 *p->bufw++ = c;
cannam@95 45 }
cannam@95 46
cannam@95 47 static void mycleanup(printer *p_)
cannam@95 48 {
cannam@95 49 P *p = (P *) p_;
cannam@95 50 myflush(p);
cannam@95 51 }
cannam@95 52
cannam@95 53 printer *X(mkprinter_file)(FILE *f)
cannam@95 54 {
cannam@95 55 P *p = (P *) X(mkprinter)(sizeof(P), myputchr, mycleanup);
cannam@95 56 p->f = f;
cannam@95 57 p->bufw = p->buf;
cannam@95 58 return &p->super;
cannam@95 59 }