vec_resize.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   vec_resize.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tspoof <tspoof@student.hive.fi>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/12/12 22:48:37 by tspoof            #+#    #+#             */
/*   Updated: 2022/12/15 15:12:01 by tspoof           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "vec.h"
 
// Allocates target_len * elem_size amout of memory and copies memory from the
// src to that
int vec_resize(t_vec *src, size_t target_len)
{
    t_vec   dst;
 
    if (!src || !target_len)
        return (-1);
    vec_new(&dst, target_len, src->elem_size);
    if (!dst.memory)
        return (-1);
    ft_memcpy(dst.memory, src->memory, src->len * src->elem_size);
    dst.len = src->len;
    vec_free(src);
    *src = dst;
    return (1);
}