ptrvec.h

#ifndef ARR_PTRVEC_H
#define ARR_PTRVEC_H
 
#include "typedefs.h"
#include <assert.h>
 
struct PtrVec {
    unsigned buffsize;
    unsigned used;
    void **buff;  // array of pointers
};
 
PtrVec *PtrVec_new(unsigned n);
void    PtrVec_free(PtrVec *self);
int     PtrVec_push(PtrVec *self, void *val);
void   *PtrVec_pop(PtrVec *self);
int     PtrVec_resize(PtrVec *self, unsigned size);
static inline void PtrVec_empty(PtrVec *self);
static inline void *PtrVec_get(PtrVec *self, unsigned i);
static inline unsigned PtrVec_length(PtrVec *self);
 
static inline void *PtrVec_get(PtrVec *self, unsigned i) {
    assert(i < self->used);
    return self->buff[i];
}
 
static inline unsigned PtrVec_length(PtrVec *self) {
    return self->used;
}
 
static inline void PtrVec_empty(PtrVec *self) {
    self->used = 0;
}
 
 
#endif