allocator.h

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#ifndef HAT_ALLOCATOR_H
#define HAT_ALLOCATOR_H
 
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct hat_allocator_t hat_allocator_t;
 
typedef void *(*hat_allocator_realloc_t)(hat_allocator_t *a, size_t size,
                                         void *old);
 
struct hat_allocator_t {
    hat_allocator_realloc_t realloc;
};
 
 
static inline void *hat_allocator_alloc(hat_allocator_t *a, size_t size) {
    return a->realloc(a, size, NULL);
}
 
static inline void *hat_allocator_realloc(hat_allocator_t *a, size_t size,
                                          void *old) {
    return a->realloc(a, size, old);
}
 
static inline void hat_allocator_free(hat_allocator_t *a, void *old) {
    a->realloc(a, 0, old);
}
 
#ifdef __cplusplus
}
#endif
 
#endif