From d12d3a4d8cb41d927a3cbcf7a457bd0a06f0bceb Mon Sep 17 00:00:00 2001
From: Jan Mercl <0xjnml@gmail.com>
Date: Tue, 12 Jan 2021 17:50:29 +0100
Subject: [PATCH] handle binding zero length blobs, updates #40

---
 sqlite.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sqlite.go b/sqlite.go
index b95379c..778b42e 100644
--- a/sqlite.go
+++ b/sqlite.go
@@ -993,7 +993,9 @@ func (c *conn) bindBlob(pstmt uintptr, idx1 int, value []byte) (uintptr, error)
 		return 0, err
 	}
 
-	copy((*libc.RawMem)(unsafe.Pointer(p))[:len(value):len(value)], value)
+	if len(value) != 0 {
+		copy((*libc.RawMem)(unsafe.Pointer(p))[:len(value):len(value)], value)
+	}
 	if rc := sqlite3.Xsqlite3_bind_blob(c.tls, pstmt, int32(idx1), p, int32(len(value)), 0); rc != sqlite3.SQLITE_OK {
 		c.free(p)
 		return 0, c.errstr(rc)