From 460ed0321393f6eddfe71e7a912f595dfda606aa Mon Sep 17 00:00:00 2001 From: Miguel Sofer Date: Mon, 29 Mar 2004 02:09:31 +0000 Subject: * generic/tclCompile.c (TclCompileScript): corrected possible segfault when a compilation returns TCL_OUTLINE_COMPILE after having grown the compile environment. --- ChangeLog | 6 ++++++ generic/tclCompile.c | 7 ++++--- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 12c6126..9987a1e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2004-03-28 Miguel Sofer + + * generic/tclCompile.c (TclCompileScript): corrected possible + segfault when a compilation returns TCL_OUTLINE_COMPILE after + having grown the compile environment. + 2004-03-27 Miguel Sofer * doc/array.n: added documentation for trace-realted behaviour of diff --git a/generic/tclCompile.c b/generic/tclCompile.c index c8336d2..6230e06 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 1.58 2004/01/20 15:39:56 dkf Exp $ + * RCS: @(#) $Id: tclCompile.c,v 1.59 2004/03/29 02:09:46 msofer Exp $ */ #include "tclInt.h" @@ -1053,7 +1053,8 @@ TclCompileScript(interp, script, numBytes, envPtr) && !(cmdPtr->flags & CMD_HAS_EXEC_TRACES) && !(iPtr->flags & DONT_COMPILE_CMDS_INLINE)) { int savedNumCmds = envPtr->numCommands; - unsigned char *savedCodeNext = envPtr->codeNext; + unsigned int savedCodeNext = + envPtr->codeNext - envPtr->codeStart; code = (*(cmdPtr->compileProc))(interp, &parse, envPtr); @@ -1066,7 +1067,7 @@ TclCompileScript(interp, script, numBytes, envPtr) * TCL_OUT_LINE_COMPILE [Bugs 705406 and 735055] */ envPtr->numCommands = savedNumCmds; - envPtr->codeNext = savedCodeNext; + envPtr->codeNext = envPtr->codeStart + savedCodeNext; } else { /* an error */ /* * There was a compilation error, the last -- cgit v0.12