/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* BSD 3 Clause License
*
* Copyright (c) 2007, The Storage Networking Industry Association.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of The Storage Networking Industry Association (SNIA)
* nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Interface definition for the list based stack class. The stack only
* holds pointers/references to application objects. The objects are not
* copied and the stack never attempts to dereference or access the data
* objects. Applications should treat cstack_t references as opaque
* handles.
*/
#ifndef _CSTACK_H_
#define _CSTACK_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef struct cstack {
struct cstack *next;
void *data;
int len;
} cstack_t;
cstack_t *cstack_new(void);
void cstack_delete(cstack_t *);
int cstack_push(cstack_t *, void *, int);
int cstack_pop(cstack_t *, void **, int *);
int cstack_top(cstack_t *, void **, int *);
#ifdef __cplusplus
}
#endif
#endif /* _CSTACK_H_ */