X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=misc.go;fp=misc.go;h=2e605076085eac55bde3a84c817bf52252ff3bde;hb=1d028880cfb17a7c8a9e3b1f54cf1e980baca63d;hp=0000000000000000000000000000000000000000;hpb=c42f577140459f548b1d7b085cd4dc2717e060c6;p=nsscash%2Fnsscash.git

diff --git a/misc.go b/misc.go
new file mode 100644
index 0000000..2e60507
--- /dev/null
+++ b/misc.go
@@ -0,0 +1,37 @@
+// Miscellaneous functions
+
+// Copyright (C) 2019  Simon Ruderich
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+)
+
+func alignBufferTo(b *bytes.Buffer, align int) {
+	if align <= 0 {
+		panic(fmt.Sprintf("invalid alignment %v", align))
+	}
+
+	l := b.Len()
+	if l%align == 0 {
+		return
+	}
+	for i := 0; i < align-l%align; i++ {
+		b.WriteByte(0)
+	}
+}