Update vendor branch to gawk-3.1.0.

1 files changed, 16 insertions, 0 deletions

diff --git a/contrib/awk/awklib/eg/lib/bits2str.awk b/contrib/awk/awklib/eg/lib/bits2str.awk
new file mode 100644
index 0000000..9725ee8
--- /dev/null
+++ b/contrib/awk/awklib/eg/lib/bits2str.awk
@@ -0,0 +1,16 @@
+# bits2str --- turn a byte into readable 1's and 0's
+
+function bits2str(bits,        data, mask)
+{
+    if (bits == 0)
+        return "0"
+
+    mask = 1
+    for (; bits != 0; bits = rshift(bits, 1))
+        data = (and(bits, mask) ? "1" : "0") data
+
+    while ((length(data) % 8) != 0)
+        data = "0" data
+
+    return data
+}