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/*
casm - Simple, portable assembler
Copyright (C) 2003-2015 Ian Cowburn (ianc@noddybox.co.uk)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------
Simple stack
*/
#ifndef CASM_STACK_H
#define CASM_STACK_H
typedef struct stack Stack;
/* ---------------------------------------- INTERFACES
*/
/* Create a new stack.
*/
Stack *StackCreate(void);
/* Push a value to the stack.
*/
void StackPush(Stack *stack, void *item);
/* Pop a value from the stack. Returns NULL if the stack is empty.
*/
void *StackPop(Stack *stack);
/* Like a pop, but doesn't remove the entry. Returns NULL if the stack is
empty.
*/
void *StackPeek(Stack *stack);
/* Remove all entries from the stack
*/
#define StackClear(stack) do {} while(StackPop(stack))
/* Number of items on stack
*/
int StackSize(Stack *stack);
/* Free the stack.
*/
void StackFree(Stack *stack);
#endif
/*
vim: ai sw=4 ts=8 expandtab
*/
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