rte_safe_ptr.h

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#ifndef RTE_OAL_SAFE_PTR_H
#define RTE_OAL_SAFE_PTR_H
 
#include "rte/utils/status/rte_status.h"
#include "rte/utils/types/rte_types.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    void    *ptr;    
    size_t   size;    
    uint32_t canary;  
} rte_safe_ptr_t;

rte_status_t rte_safe_ptr_init(rte_safe_ptr_t *sp, void *ptr, size_t size);

bool rte_safe_ptr_is_valid(const rte_safe_ptr_t *sp);

rte_status_t rte_safe_ptr_get(const rte_safe_ptr_t *sp, void **out_ptr);

rte_status_t rte_safe_ptr_offset(const rte_safe_ptr_t *sp, size_t offset, size_t length, void **out_ptr);

void rte_safe_ptr_invalidate(rte_safe_ptr_t *sp);
 
#ifdef __cplusplus
}
#endif
 
#endif /* RTE_OAL_SAFE_PTR_H */
 /* SAFEPTR */