diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | generic/tclCompile.c | 6 |
2 files changed, 10 insertions, 3 deletions
@@ -1,3 +1,10 @@ +2008-10-12 Miguel Sofer <msofer@users.sf.net> + + * generic/tclCompile.c: fix bug in srcDelta encoding within + ByteCodes. The bug can only be triggered under conditions that + cannot happen in Tcl, but were met during development of L. Thanks + go to Robert Netzer for diagnose and fix. + 2008-10-10 Don Porter <dgp@users.sourceforge.net> *** 8.6a3 TAGGED FOR RELEASE *** diff --git a/generic/tclCompile.c b/generic/tclCompile.c index c55258f..b347018 100644 --- a/generic/tclCompile.c +++ b/generic/tclCompile.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclCompile.c,v 1.157 2008/10/05 20:47:52 nijtmans Exp $ + * RCS: @(#) $Id: tclCompile.c,v 1.158 2008/10/12 19:53:32 msofer Exp $ */ #include "tclInt.h" @@ -3177,7 +3177,7 @@ GetCmdLocEncodingSize( } srcDelta = (mapPtr[i].srcOffset - prevSrcOffset); - if ((-127 <= srcDelta) && (srcDelta <= 127)) { + if ((-127 <= srcDelta) && (srcDelta <= 127) && (srcDelta != -1)) { srcDeltaNext++; } else { srcDeltaNext += 5; /* 1 byte for 0xFF, 4 for delta */ @@ -3285,7 +3285,7 @@ EncodeCmdLocMap( prevOffset = 0; for (i = 0; i < numCmds; i++) { srcDelta = (mapPtr[i].srcOffset - prevOffset); - if ((-127 <= srcDelta) && (srcDelta <= 127)) { + if ((-127 <= srcDelta) && (srcDelta <= 127) && (srcDelta != -1)) { TclStoreInt1AtPtr(srcDelta, p); p++; } else { |