Spectral/include/hoedown/stack.h

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2019-02-13 08:14:13 +00:00
/* stack.h - simple stacking */
#ifndef HOEDOWN_STACK_H
#define HOEDOWN_STACK_H
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/*********
* TYPES *
*********/
struct hoedown_stack {
void **item;
size_t size;
size_t asize;
};
typedef struct hoedown_stack hoedown_stack;
/*************
* FUNCTIONS *
*************/
/* hoedown_stack_init: initialize a stack */
void hoedown_stack_init(hoedown_stack *st, size_t initial_size);
/* hoedown_stack_uninit: free internal data of the stack */
void hoedown_stack_uninit(hoedown_stack *st);
/* hoedown_stack_grow: increase the allocated size to the given value */
void hoedown_stack_grow(hoedown_stack *st, size_t neosz);
/* hoedown_stack_push: push an item to the top of the stack */
void hoedown_stack_push(hoedown_stack *st, void *item);
/* hoedown_stack_pop: retrieve and remove the item at the top of the stack */
void *hoedown_stack_pop(hoedown_stack *st);
/* hoedown_stack_top: retrieve the item at the top of the stack */
void *hoedown_stack_top(const hoedown_stack *st);
#ifdef __cplusplus
}
#endif
#endif /** HOEDOWN_STACK_H **/