vl_stack.h

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#ifndef VL_STACK_H
#define VL_STACK_H
 
#include "vl_buffer.h"
 
typedef vl_dsoffs_t vl_stack_offset;
 
typedef struct{
    vl_dsidx_t      depth;
    vl_uintptr_t    headOffset;
    vl_buffer       buffer;
} vl_stack;
 
void            vlStackInit(vl_stack* stack);
 
void            vlStackFree(vl_stack* stack);
 
vl_stack*       vlStackNew();
 
void            vlStackDelete(vl_stack* stack);
 
void            vlStackReset(vl_stack* stack);
 
vl_stack_offset vlStackPush(vl_stack* stack, vl_memsize_t size);
 
vl_stack_offset vlStackPushValue(vl_stack* stack, const void* data, vl_memsize_t size);
 
vl_transient*           vlStackPeek(vl_stack* stack);
 
vl_memsize_t          vlStackPeekSize(vl_stack* stack);
 
vl_transient*           vlStackSample(vl_stack* stack, vl_stack_offset offset);
 
#ifndef vlStackSize
 
#define vlStackSize(stackPtr) ((stackPtr)->depth)
#endif
 
#ifndef vlStackEmpty
#define vlStackEmpty(stackPtr) ((stackPtr)->depth == 0)
#endif
 
vl_memsize_t            vlStackSampleSize(vl_stack* stack, vl_stack_offset offset);
 
void                    vlStackPop(vl_stack* stack);
 
#endif //VL_STACK_H