25 lines
587 B
C
25 lines
587 B
C
#ifndef YP_STATE_STACK_H
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#define YP_STATE_STACK_H
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#include "yarp/defines.h"
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#include <stdbool.h>
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#include <stdint.h>
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// A struct that represents a stack of bools.
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typedef uint32_t yp_state_stack_t;
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// Initializes the state stack to an empty stack.
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#define YP_STATE_STACK_EMPTY ((yp_state_stack_t) 0)
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// Pushes a value onto the stack.
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void yp_state_stack_push(yp_state_stack_t *stack, bool value);
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// Pops a value off the stack.
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void yp_state_stack_pop(yp_state_stack_t *stack);
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// Returns the value at the top of the stack.
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bool yp_state_stack_p(yp_state_stack_t *stack);
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#endif
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