a

libc/fmtfd.c

@@ -0,0 +1,31 @@
+#include <u.h>
+#include <libc.h>
+#include "fmtdef.h"
+
+/*
+ * public routine for final flush of a formatting buffer
+ * to a file descriptor; returns total char count.
+ */
+int
+fmtfdflush(Fmt *f)
+{
+	if(_fmtFdFlush(f) <= 0)
+		return -1;
+	return f->nfmt;
+}
+
+/*
+ * initialize an output buffer for buffered printing
+ */
+int
+fmtfdinit(Fmt *f, int fd, char *buf, int size)
+{
+	f->runes = 0;
+	f->start = buf;
+	f->to = buf;
+	f->stop = buf + size;
+	f->flush = _fmtFdFlush;
+	f->farg = (void*)fd;
+	f->nfmt = 0;
+	return 0;
+}