altosui: Elide nul bytes at end of telemetry string values

All telemetry fields are fixed length, so any embedded strings are
padded with nul bytes.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/altosui/Altos.java b/altosui/Altos.java
index 37a4f67bfdb278188b7a78c42dcd6091f2edd098..364908448e2d2fcbdab39d32f71abf0f74281394 100644 (file)
--- a/altosui/Altos.java
+++ b/altosui/Altos.java
@@ -240,9 +240,15 @@ public class Altos {
                        }
                }
 
                        }
                }
 

+               int i;
+               for (i = l - 1; i >= 0; i--)
+                       if (bytes[s+i] != 0)
+                               break;
+
+               l = i + 1;

                byte[]  b = new byte[l];
 
                byte[]  b = new byte[l];
 

-               for (int i = 0; i < l; i++)
+               for (i = 0; i < l; i++)

                        b[i] = (byte) bytes[s+i];
                String n = new String(b, unicode_set);
                return n;
                        b[i] = (byte) bytes[s+i];
                String n = new String(b, unicode_set);
                return n;