Added ft_vecreserve, ft_vecswallow

1 files changed, 30 insertions, 0 deletions

diff --git a/src/vec/ft_vecreserve.c b/src/vec/ft_vecreserve.c
new file mode 100644
index 0000000..c2e7bcc
--- /dev/null
+++ b/src/vec/ft_vecreserve.c
@@ -0,0 +1,30 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_vecreserve.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/07/15 17:22:08 by charles           #+#    #+#             */
+/*   Updated: 2020/07/15 18:30:58 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft_vec.h"
+
+/*
+** \brief           Set vector capacity to at least a certain size
+** \param vec       Reserved vector
+** \param capacity  Minimum required capacity
+** \return          The Vector or NULL on error
+*/
+
+t_ftvec	*ft_vecreserve(t_ftvec *vec, size_t	capacity)
+{
+	while (vec->capacity < capacity)
+	{
+		if (ft_vecgrow(vec) == NULL)
+			return (NULL);
+	}
+	return (vec);
+}