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ost_StackPager

NAME

ost::StackPager -

The StackPager provides a repository to stash and retrieve working data in last-in-first-out order.

SYNOPSIS

#include <misc.h>

Inherits ost::MemPager.

Classes

struct frame

Public Member Functions

StackPager (size_t pagesize)
Create a lifo pager as a mempager.
void * push (const void *object, size_t size)
Push an arbitrary object onto the stack.
void * push (const char *string)
Push a string onto the stack.
void * pull (void)
Retrieve next object from stack.
void purge (void)
Purge the stack of all objects and memory allocations.

Detailed Description

The StackPager provides a repository to stash and retrieve working data in last-in-first-out order.

The use of a mempager to support it's operation allows storage of arbitrary sized objects with no fixed limit.

Author:

David Sugar <dyfet@ostel.com> last in first out object pager.

Constructor & Destructor Documentation

ost::StackPager::StackPager (size_t pagesize)

Create a lifo pager as a mempager. Parameters:

pagesize for memory allocation

Member Function Documentation

void* ost::StackPager::pull (void)

Retrieve next object from stack. Returns:

object.

void ost::StackPager::purge (void)

Purge the stack of all objects and memory allocations.

Reimplemented from ost::MemPager.

void* ost::StackPager::push (const char * string)

Push a string onto the stack. Returns:

stack memory location.

Parameters:

string pointer.

void* ost::StackPager::push (const void * object, size_t size)

Push an arbitrary object onto the stack. Returns:

stack memory location.

Parameters:

object pointer to data
size of data.

Author

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