--- JSON-XS/XS.xs	2007/04/06 21:17:09	1.26
+++ JSON-XS/XS.xs	2007/04/09 05:09:57	1.27
@@ -111,7 +111,7 @@
       STRLEN cur = enc->cur - SvPVX (enc->sv);
       SvGROW (enc->sv, cur + len + 1);
       enc->cur = SvPVX (enc->sv) + cur;
-      enc->end = SvPVX (enc->sv) + SvLEN (enc->sv);
+      enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
     }
 }
 
@@ -521,6 +521,7 @@
     SvUTF8_on (enc.sv);
 
   SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
+  *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
 
   if (enc.flags & F_SHRINK)
     shrink (enc.sv);