diff options
Diffstat (limited to 'unix')
| -rw-r--r-- | unix/tclUnixInit.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/unix/tclUnixInit.c b/unix/tclUnixInit.c index b7df456..69ae9e4 100644 --- a/unix/tclUnixInit.c +++ b/unix/tclUnixInit.c @@ -7,7 +7,7 @@ * Copyright (c) 1999 by Scriptics Corporation. * All rights reserved. * - * RCS: @(#) $Id: tclUnixInit.c,v 1.73 2007/11/09 23:04:07 msofer Exp $ + * RCS: @(#) $Id: tclUnixInit.c,v 1.74 2007/11/10 03:41:23 das Exp $ */ #include "tclInt.h" @@ -1027,6 +1027,7 @@ TclpFindVariable( * None. * * Remark: Unused in the core, to be removed. + * *---------------------------------------------------------------------- */ @@ -1034,22 +1035,19 @@ int TclpCheckStackSpace(void) { #ifdef TCL_NO_STACK_CHECK - /* * This function was normally unimplemented on Unix platforms and this * implements old behavior, i.e. no stack checking performed. */ return 1; - #else - int localInt, *stackBound; TclpGetCStackParams(&stackBound); if (stackGrowsDown) { - return (&localInt > stackBound) ; + return (&localInt < stackBound) ; } else { return (&localInt > stackBound) ; } @@ -1061,17 +1059,19 @@ TclpCheckStackSpace(void) * * TclpGetStackParams -- * - * Determine tha stack params for the current thread: in which - * direction does the stack grow, and what is the stack lower (resp - * upper) bound for safe invocation of a new command. This is used to - * cache the values needed for an efficient computation of - * TclpCheckStackSpace() when the interp is known. + * Determine the stack params for the current thread: in which + * direction does the stack grow, and what is the stack lower (resp. + * upper) bound for safe invocation of a new command? This is used to + * cache the values needed for an efficient computation of + * TclpCheckStackSpace() when the interp is known. * - * Results: - * Returns 1 if the stack grows down, in which case a stack lower bound - * is stored at stackBoundPtr. If the stack grows up, 0 is returned and - * an upper bound is stored at stackBoundPtr. If a bound cannot be - * determined NULL is stored at stackBoundPtr. + * Results: + * Returns 1 if the stack grows down, in which case a stack lower bound + * is stored at stackBoundPtr. If the stack grows up, 0 is returned and + * an upper bound is stored at stackBoundPtr. If a bound cannot be + * determined NULL is stored at stackBoundPtr. + * + *---------------------------------------------------------------------- */ int @@ -1096,7 +1096,7 @@ TclpGetCStackParams( stackGrowsDown = StackGrowsDown(&localVar); } - /* + /* * The first time through, we record the "outermost" stack frame. */ @@ -1129,9 +1129,11 @@ TclpGetCStackParams( } if (stackGrowsDown) { - *stackBoundPtr = (int *) ((char *)tsdPtr->outerVarPtr - tsdPtr->stackSize); + *stackBoundPtr = (int *) ((char *)tsdPtr->outerVarPtr - + tsdPtr->stackSize); } else { - *stackBoundPtr = (int *) ((char *)tsdPtr->outerVarPtr + tsdPtr->stackSize); + *stackBoundPtr = (int *) ((char *)tsdPtr->outerVarPtr + + tsdPtr->stackSize); } return stackGrowsDown; #endif @@ -1144,7 +1146,6 @@ StackGrowsDown( int here; return (&here < parent); } - /* *---------------------------------------------------------------------- |