eculocate

commit 3f1313e801ffd4db18e7fec5c3dbbf0984ec16b3
parent 6cd2b9c11558a831389bd204cec470e345b0bef4
Author: Daniel Barlow <dan@telent.net>
Date:   Thu, 25 Dec 2025 15:15:25 +0000

encoded label ends with 0 byte

Diffstat:
M
ecu-portable/src/lib.rs
 | 
13
++++++++-----

1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/ecu-portable/src/lib.rs b/ecu-portable/src/lib.rs
@@ -11,7 +11,8 @@ pub fn ptr_data<'b>(labels : &[&str], buf : &'b mut[u8]) -> &'b mut [u8] {
 	}
 	offset = offset + l.len() + 1;
     }
-    &mut buf[..offset]
+    buf[offset] = 0;
+    &mut buf[..(offset+1)]
 }
 
 
@@ -24,18 +25,20 @@ mod tests {
     fn test_ptr_data() {
 	let mut buf : [u8; 32] = [0; 32];
 	assert_eq!(ptr_data(&["hello"], &mut buf),
-		   [5, 104, 101, 108, 108, 111]);
+		   [5, 104, 101, 108, 108, 111,  0   ]);
 
 	assert_eq!(ptr_data(&[], &mut buf),
-		   []);
+		   [0]);
 
     	assert_eq!(ptr_data(&["hello", "world"], &mut buf),
 		   [5, 104, 101, 108, 108, 111,
-		    5, 119, 111, 114, 108, 100]);
+		    5, 119, 111, 114, 108, 100,
+		   0]);
 
    	assert_eq!(ptr_data(&["hello", "cool", "world"], &mut buf),
 		   [5, 104, 101, 108, 108, 111,
 		    4, 99, 111, 111, 108,
-		    5, 119, 111, 114, 108, 100]);
+		    5, 119, 111, 114, 108, 100,
+		   0]);
     }
 }