From 8b0ca4ef2ac6a57fd66371ac4c5b218efc14578c Mon Sep 17 00:00:00 2001
From: Sebastian <sjeltsch@gmail.com>
Date: Fri, 9 Aug 2024 13:12:01 +0200
Subject: [PATCH] Have the same length==0 in value_blob as in value_text to
 avoid null access.

---
 src/api.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/api.rs b/src/api.rs
index 11e444f..a5ecadc 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -118,6 +118,9 @@ pub fn mprintf(base: &str) -> Result<*mut c_char, MprintfError> {
 /// from the given sqlite3_value, as a u8 slice.
 pub fn value_blob<'a>(value: &*mut sqlite3_value) -> &'a [u8] {
     let n = value_bytes(value);
+    if n == 0 {
+        return &[];
+    }
     let b = unsafe { sqlite3ext_value_blob(value.to_owned()) };
     return unsafe { from_raw_parts(b.cast::<u8>(), n as usize) };
 }