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Diffstat (limited to 'src/fftw3/api/mkprinter-file.c')
-rw-r--r--src/fftw3/api/mkprinter-file.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/fftw3/api/mkprinter-file.c b/src/fftw3/api/mkprinter-file.c
new file mode 100644
index 0000000..24476f9
--- /dev/null
+++ b/src/fftw3/api/mkprinter-file.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2003 Matteo Frigo
+ * Copyright (c) 2003 Massachusetts Institute of Technology
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "api.h"
+#include <stdio.h>
+
+#define BUFSZ 256
+
+typedef struct {
+ printer super;
+ FILE *f;
+ char buf[BUFSZ];
+ char *bufw;
+} P;
+
+static void myflush(P *p)
+{
+ fwrite(p->buf, 1, p->bufw - p->buf, p->f);
+ p->bufw = p->buf;
+}
+
+static void myputchr(printer *p_, char c)
+{
+ P *p = (P *) p_;
+ if (p->bufw >= p->buf + BUFSZ)
+ myflush(p);
+ *p->bufw++ = c;
+}
+
+static void mycleanup(printer *p_)
+{
+ P *p = (P *) p_;
+ myflush(p);
+}
+
+printer *X(mkprinter_file)(FILE *f)
+{
+ P *p = (P *) X(mkprinter)(sizeof(P), myputchr, mycleanup);
+ p->f = f;
+ p->bufw = p->buf;
+ return &p->super;
+}