vec.h

// vi:ft=c
#ifndef VEC_H_
#define VEC_H_
#include <stdint.h>
#include <unistd.h>

#define vec_of(type) vec_new(sizeof(type))

typedef struct {
    uint8_t *data;
    size_t   cap;
    size_t   len;
    size_t   stride;
} Vec;

// Create a new vector
Vec vec_new(size_t data_size);
// Create a new vector with an initial capacity
Vec vec_cap(size_t data_size, size_t initial_capacity);
// Push an element into the vector
void vec_push(Vec *v, void *data);
// Pop an element into the vector, and put it in data if it is not null
void vec_pop(Vec *v, void *data);
// Get a pointer to the element at an index, returns NULL if there is no such element
void *vec_get(Vec *v, size_t index);
// Insert an element at any index in the vector (except past the end)
void vec_insert(Vec *v, void *data, size_t index);
// Remove an element from the vector, and put it in data if it is not NULL
void vec_remove(Vec *v, size_t index, void *data);
// Clear the vector
void vec_clear(Vec *v);
// Extend the vector with the content of data
void vec_extend(Vec *v, void *data, size_t len);
// Free the vector
void vec_free(Vec v);

#endif