Import sources from 2011-03-30 iso image

1 files changed, 37 insertions, 0 deletions

diff --git a/sys/src/libbio/bvprint.c b/sys/src/libbio/bvprint.c
new file mode 100755
index 000000000..4881bee9d
--- /dev/null
+++ b/sys/src/libbio/bvprint.c
@@ -0,0 +1,37 @@
+#include	<u.h>
+#include	<libc.h>
+#include	<bio.h>
+
+static int
+fmtBflush(Fmt *f)
+{
+	Biobufhdr *bp;
+
+	bp = f->farg;
+	bp->ocount = (char*)f->to - (char*)f->stop;
+	if(Bflush(bp) < 0)
+		return 0;
+	f->stop = bp->ebuf;
+	f->to = (char*)f->stop + bp->ocount;
+	f->start = f->to;
+	return 1;
+}
+
+int
+Bvprint(Biobufhdr *bp, char *fmt, va_list arg)
+{
+	int n;
+	Fmt f;
+
+	f.runes = 0;
+	f.stop = bp->ebuf;
+	f.start = (char*)f.stop + bp->ocount;
+	f.to = f.start;
+	f.flush = fmtBflush;
+	f.farg = bp;
+	f.nfmt = 0;
+	f.args = arg;
+	n = dofmt(&f, fmt);
+	bp->ocount = (char*)f.to - (char*)f.stop;
+	return n;
+}