Import sources from 2011-03-30 iso image

1 files changed, 26 insertions, 0 deletions

diff --git a/sys/src/libbio/boffset.c b/sys/src/libbio/boffset.c
new file mode 100755
index 000000000..23d74816d
--- /dev/null
+++ b/sys/src/libbio/boffset.c
@@ -0,0 +1,26 @@
+#include	<u.h>
+#include	<libc.h>
+#include	<bio.h>
+
+vlong
+Boffset(Biobufhdr *bp)
+{
+	vlong n;
+
+	switch(bp->state) {
+	default:
+		fprint(2, "Boffset: unknown state %d\n", bp->state);
+		n = Beof;
+		break;
+
+	case Bracteof:
+	case Bractive:
+		n = bp->offset + bp->icount;
+		break;
+
+	case Bwactive:
+		n = bp->offset + (bp->bsize + bp->ocount);
+		break;
+	}
+	return n;
+}