11-03-2016
To repeat: There is nothing wrong in the code you posted. There might be things wrong in the code you didn't post, but how would I ever know? I can only make wild guesses.
Wild guess #1: "void * &" is a really weird type. The only reason I can think of to do that, is if Send() is designed to alter the value of p1 in main itself. Print its integer value, before and after, to cerr or stderr to make sure it's not being changed. Feeding a mangled pointer into delete can cause an error like that.
Wild guess #2: You say "you called a virtual function by passing p1 like this", but Pack is a structure with no member functions, virtual or otherwise: It is completely normal and proper to typecast it to (void *). So where does this virtual thing enter the equation? If your structure is actually something completely different, please tell me now.
Last edited by Corona688; 11-03-2016 at 02:20 PM..
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delete(n) [incr Tcl] delete(n)
__________________________________________________________________________________________________________________________________________________
NAME
delete - delete things in the interpreter
SYNOPSIS
itcl::delete option ?arg arg ...?
_________________________________________________________________
DESCRIPTION
The delete command is used to delete things in the interpreter. It is implemented as an ensemble, so extensions can add their own options
and extend the behavior of this command. By default, the delete command handles the destruction of namespaces.
The option argument determines what action is carried out by the command. The legal options (which may be abbreviated) are:
delete class name ?name...?
Deletes one or more [incr Tcl] classes called name. This deletes all objects in the class, and all derived classes as well.
If an error is encountered while destructing an object, it will prevent the destruction of the class and any remaining objects. To
destroy the entire class without regard for errors, use the "delete namespace" command.
delete object name ?name...?
Deletes one or more [incr Tcl] objects called name. An object is deleted by invoking all destructors in its class hierarchy, in
order from most- to least-specific. If all destructors are successful, data associated with the object is deleted and the name is
removed as a command from the interpreter.
If the access command for an object resides in another namespace, then its qualified name can be used:
itcl::delete object foo::bar::x
If an error is encountered while destructing an object, the delete command is aborted and the object remains alive. To destroy an object
without regard for errors, use the "rename" command to destroy the object access command.
delete namespace name ?name...?
Deletes one or more namespaces called name. This deletes all commands and variables in the namespace, and deletes all child names-
paces as well. When a namespace is deleted, it is automatically removed from the import lists of all other namespaces.
KEYWORDS
namespace, proc, variable, ensemble
itcl 3.0 delete(n)