From 264ae2f047a53ffac92271e4609038d17605738e Mon Sep 17 00:00:00 2001 From: Charles Date: Fri, 26 Jul 2019 23:17:36 +0200 Subject: exam final --- exam_final/rendu/ft_atoi/ft_atoi.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100755 exam_final/rendu/ft_atoi/ft_atoi.c (limited to 'exam_final/rendu/ft_atoi/ft_atoi.c') diff --git a/exam_final/rendu/ft_atoi/ft_atoi.c b/exam_final/rendu/ft_atoi/ft_atoi.c new file mode 100755 index 0000000..2f125bf --- /dev/null +++ b/exam_final/rendu/ft_atoi/ft_atoi.c @@ -0,0 +1,38 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ft_atoi.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: exam +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2019/07/26 11:11:42 by exam #+# #+# */ +/* Updated: 2019/07/26 11:32:51 by exam ### ########.fr */ +/* */ +/* ************************************************************************** */ + +int ft_atoi(const char *str) +{ + int nb; + int is_negative; + + while (*str == ' ' || *str == '\t' || *str == '\n' || *str == '\r' + || *str == '\v' || *str == '\f'|| *str == '\r') + str++; + is_negative = 0; + if (*str == '+' || *str == '-') + { + if (*str == '-') + is_negative = 1; + str++; + } + nb = 0; + while (*str >= '0' && *str <= '9') + { + nb *= 10; + nb += *str - '0'; + str++; + } + if (is_negative) + nb = -nb; + return (nb); +} -- cgit