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diff -ur otcl-1.11/otcl.c otcl-1.11.new/otcl.c
--- otcl-1.11/otcl.c 2004-01-05 16:56:07.000000000 -0800
+++ otcl-1.11.new/otcl.c 2004-01-13 04:12:10.000000000 -0800
@@ -290,7 +290,7 @@
if (!l) return 0;
if (l->cl == s) {
*sl = l->next;
- ckfree((char*)l);
+ ckfree((char*)l); l = NULL;
return 1;
}
while (l->next && l->next->cl != s) l = l->next;
@@ -442,7 +442,7 @@
old_args2, argv[1], in->errorLine);
compat_Tcl_AddObjErrorInfo(in, msg, -1);
}
- if (argc+2 > OTCLSMALLARGS) { ckfree((char*)args); args = 0; }
+ if (argc+2 > OTCLSMALLARGS) { ckfree((char*)args); args = NULL; }
return result;
}
@@ -479,7 +479,7 @@
cl ? args[2] : argv[0], in->errorLine);
compat_Tcl_AddObjErrorInfo(in, msg, -1);
}
- if (argc+3 > OTCLSMALLARGS) { ckfree((char*)args); args = 0; }
+ if (argc+3 > OTCLSMALLARGS) { ckfree((char*)args); args = NULL; }
return result;
}
@@ -500,7 +500,7 @@
static void
AutoLoaderDP(ClientData cd) {
- ckfree((char*)cd);
+ ckfree((char*)cd); cd = NULL;
}
static int
@@ -579,8 +579,8 @@
Tcl_HashEntry *hPtr = Tcl_FindHashEntry(methods, nm);
if (hPtr != 0) {
Tcl_CmdInfo* co = (Tcl_CmdInfo*)Tcl_GetHashValue(hPtr);
- if (co->deleteProc != 0) (*co->deleteProc)(co->deleteData);
- ckfree((char*)co);
+ if (co->deleteProc != 0) { (*co->deleteProc)(co->deleteData); } co->deleteProc = NULL;
+ ckfree((char*)co); co = NULL;
Tcl_DeleteHashEntry(hPtr);
return 1;
}
@@ -614,7 +614,7 @@
(Tcl_Namespace*)NULL, 0);
if (cmd)
Tcl_DeleteCommandFromToken(pdpd->interp, cmd);
- ckfree((char*)pdpd);
+ ckfree((char*)pdpd); pdpd = NULL;
}
#endif
@@ -674,7 +674,7 @@
for (i = 0; i < argc; i++)
Tcl_DecrRefCount(objv[i]);
- ckfree((char *)objv);
+ ckfree((char *)objv); objv = NULL;
#else /* TCL_MAJOR_VERSION < 8 */
@@ -691,7 +691,7 @@
#endif /* TCL_MAJOR_VERSION < 8 */
- ckfree((char*)nargs);
+ ckfree((char*)nargs); nargs = NULL;
argv[1] = name;
argv[2] = oargs;
@@ -926,7 +926,7 @@
static void
PrimitiveODestroy(ClientData cd) {
PrimitiveODestroyNoFree(cd);
- ckfree((char*)cd);
+ ckfree((char*)cd); cd = NULL;
}
static void
@@ -1002,18 +1002,18 @@
Tcl_CmdInfo* co = (Tcl_CmdInfo*)Tcl_GetHashValue(hp2);
ClientData cdest = cd;
if (co->clientData != 0) cdest = co->clientData;
- if (co->deleteProc != 0) (*co->deleteProc)(co->deleteData);
- ckfree((char*)co);
+ if (co->deleteProc != 0) { (*co->deleteProc)(co->deleteData); } co->deleteProc = NULL;
+ ckfree((char*)co); co = NULL;
}
if (obj->procs) {
- Tcl_DeleteHashTable(obj->procs); ckfree((char*)(obj->procs));
+ Tcl_DeleteHashTable(obj->procs); ckfree((char*)(obj->procs)); obj->procs = NULL;
}
(void)RemoveInstance(obj, obj->cl);
#if TCL_MAJOR_VERSION >= 8
- ckfree((char*)(obj->variables.procPtr));
- ckfree((char*)(obj->variables.varTablePtr));
+ ckfree((char*)(obj->variables.procPtr)); obj->variables.procPtr = NULL;
+ ckfree((char*)(obj->variables.varTablePtr)); obj->variables.varTablePtr = NULL;
#endif
}
@@ -1035,8 +1035,7 @@
obj->id = Tcl_CreateCommand(in, name, OTclDispatch, (ClientData)obj,
PrimitiveODestroy);
} else {
- ckfree((char *)obj);
- obj = NULL;
+ ckfree((char *)obj); obj = NULL;
}
#endif
return obj;
@@ -1123,14 +1122,14 @@
Tcl_CmdInfo* co = (Tcl_CmdInfo*)Tcl_GetHashValue(hPtr);
ClientData cdest = cd;
if (co->clientData != 0) cdest = co->clientData;
- if (co->deleteProc != 0) (*co->deleteProc)(co->deleteData);
- ckfree((char*)co);
+ if (co->deleteProc != 0) { (*co->deleteProc)(co->deleteData); } co->deleteProc = NULL;
+ ckfree((char*)co); co = NULL;
}
Tcl_DeleteHashTable(&cl->instprocs);
if (cl->objectdata) {
Tcl_DeleteHashTable(cl->objectdata);
- ckfree((char*)(cl->objectdata)); cl->objectdata = 0;
+ ckfree((char*)(cl->objectdata)); cl->objectdata = NULL;
}
/*
@@ -1151,7 +1150,7 @@
* PrimitiveODestory to destory the hash entries first */
PrimitiveODestroyNoFree(cd);
Tcl_DeleteHashTable(&cl->instances);
- ckfree((char*)cd);
+ ckfree((char*)cd); cd = NULL;
}
@@ -1176,8 +1175,7 @@
obj->id = Tcl_CreateCommand(in, name, OTclDispatch, (ClientData)cl,
PrimitiveCDestroy);
} else {
- ckfree((char *)cl);
- cl = NULL;
+ ckfree((char *)cl); cl = NULL;
}
#endif
return cl;
@@ -1359,6 +1357,9 @@
OTclObject* obj = OTclAsObject(in, cd);
Tcl_CmdInfo proc;
int op;
+ // NULL out the deleteProc value
+ // as it may be filled with random data on variable creation
+ proc.deleteProc = NULL; proc.deleteData = NULL;
if (!obj) return OTclErrType(in, argv[0], "Object");
if (argc != 7) return OTclErrArgCnt(in,argv[0],"proc name args body");
@@ -1488,7 +1489,7 @@
Tcl_AppendResult(in, "expected ?inst/local? or ?inst? ?local? but got ",
argv[i]);
}
- ckfree((char*)av);
+ ckfree((char*)av); av = NULL;
if (result != TCL_OK) break;
}
return result;
@@ -1594,10 +1595,10 @@
scl[i] = OTclGetClass(in, av[i]);
loaded = (scl[i] != 0);
}
- ckfree(args);
+ ckfree(args); args = NULL;
if (!loaded) {
- ckfree((char*)av);
- ckfree((char*)scl);
+ ckfree((char*)av); av = NULL;
+ ckfree((char*)scl); scl = NULL;
return OTclErrBadVal(in, "a list of classes", argv[4]);
}
}
@@ -1621,8 +1622,8 @@
}
if (reversed != 0) {
- ckfree((char*)av);
- ckfree((char*)scl);
+ ckfree((char*)av); av = NULL;
+ ckfree((char*)scl); scl = NULL;
return OTclErrBadVal(in, "classes in dependence order", argv[4]);
}
@@ -1641,8 +1642,8 @@
}
for (i = 0; i < ac; i++)
AddSuper(cl, scl[i]);
- ckfree((char*)av);
- ckfree((char*)scl);
+ ckfree((char*)av); av = NULL;
+ ckfree((char*)scl); scl = NULL;
FlushPrecedences(cl);
if (!ComputePrecedence(cl)) {
@@ -1784,17 +1785,25 @@
OTclClass* cl = OTclAsClass(in, cd);
Tcl_CmdInfo proc;
int op;
+ // NULL out the deleteProc value
+ // as it may be filled with random data on variable creation
+ proc.deleteProc = NULL; proc.deleteData = NULL;
if (!cl) return OTclErrType(in, argv[0], "Class");
if (argc != 7) return OTclErrArgCnt(in,argv[0],"instproc name args body");
+
/*
* if the args list is "auto", the body is a script to load the proc
*/
- if (!strcmp("auto", argv[5])) op = MakeAuto(&proc, argv[6]);
- else if (argv[5][0]==0 && argv[6][0]==0) op = -1;
- else op = MakeProc(&proc,in, argc-3, argv+3);
+ if (!strcmp("auto", argv[5])) {
+ op = MakeAuto(&proc, argv[6]);
+ } else if (argv[5][0]==0 && argv[6][0]==0) {
+ op = -1;
+ } else {
+ op = MakeProc(&proc,in, argc-3, argv+3);
+ }
(void)RemoveMethod(&cl->instprocs, argv[4], (ClientData)cl);
if (op == 1) AddMethod(&cl->instprocs, argv[4], proc.proc,
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