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| author | nass1pro <nass1pro@gmail.com> | 2020-06-09 19:48:34 +0200 |
|---|---|---|
| committer | nass1pro <nass1pro@gmail.com> | 2020-06-13 11:31:00 +0200 |
| commit | 579a26f5593039ffbbd1a81e45ecf0ef8797cb5d (patch) | |
| tree | c5b6761db98e27d15bab3fb45ba9e0a646cf06e0 /test_mini/libft/src/str/ft_atoi_strict.c | |
| parent | 9fabc25a980550afc6337fd729632462f2680daa (diff) | |
| download | minishell-579a26f5593039ffbbd1a81e45ecf0ef8797cb5d.tar.gz minishell-579a26f5593039ffbbd1a81e45ecf0ef8797cb5d.tar.bz2 minishell-579a26f5593039ffbbd1a81e45ecf0ef8797cb5d.zip | |
add lexer
add single quote
Diffstat (limited to 'test_mini/libft/src/str/ft_atoi_strict.c')
| -rw-r--r-- | test_mini/libft/src/str/ft_atoi_strict.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test_mini/libft/src/str/ft_atoi_strict.c b/test_mini/libft/src/str/ft_atoi_strict.c new file mode 100644 index 0000000..8be4c4b --- /dev/null +++ b/test_mini/libft/src/str/ft_atoi_strict.c @@ -0,0 +1,38 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ft_strict_atoi.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/01/15 10:06:29 by cacharle #+# #+# */ +/* Updated: 2020/02/14 02:46:43 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libft.h" + +int ft_atoi_strict(const char *s) +{ + char *end; + long ret; + + if (*s != '-' && !ft_isdigit(*s)) + { + errno = EINVAL; + return (0); + } + errno = 0; + ret = ft_strtol(s, &end, 10); + if (errno == ERANGE || ret > INT_MAX || ret < INT_MIN) + { + errno = ERANGE; + return (0); + } + if (*end != '\0') + { + errno = EINVAL; + return (0); + } + return (ret); +} |