diff options
Diffstat (limited to 'c04/ex05/ft_atoi_base.c')
| -rw-r--r-- | c04/ex05/ft_atoi_base.c | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/c04/ex05/ft_atoi_base.c b/c04/ex05/ft_atoi_base.c index 5de5f81..9a89fc1 100644 --- a/c04/ex05/ft_atoi_base.c +++ b/c04/ex05/ft_atoi_base.c @@ -6,10 +6,36 @@ /* By: cacharle <charles.cabergs@gmail.com> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2019/07/06 08:07:17 by cacharle #+# #+# */ -/* Updated: 2019/07/06 12:47:25 by cacharle ### ########.fr */ +/* Updated: 2019/07/07 13:26:28 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ +int check_the_base(char *base) +{ + int i; + int j; + + i = 0; + while (base[i]) + { + if (base[i] == '-' || base[i] == '+' || base[i] == ' ' + || base[i] == '\t' || base[i] == '\n' || base[i] == '\v' + || base[i] == '\f' || base[i] == '\r') + return (0); + j = 0; + while (base[j]) + { + if (j != i && base[j] == base[i]) + return (0); + j++; + } + i++; + } + if (i < 2) + return (0); + return (1); +} + int my_pow(int base, int exponent) { int accumulator; @@ -33,23 +59,25 @@ int position_in_base(char digit, char *base) return (i); } -int ft_atoi_base(char *str, char *base) +int ft_atoi_base(char *str, char *base) { int radix; int i; int j; int nb; + if (!check_the_base(base)) + return (0); nb = 0; radix = 0; - while (base[++radix]); + while (base[radix]) + radix++; i = 0; - while (str[++i]); - printf("%s base %d (%s)\n", str, radix, base); + while (str[i]) + i++; j = 0; while (--i >= 0) { - printf("%c: %d * (%d^%d) = %d\n", str[i], position_in_base(str[i], base), radix, i, my_pow(radix, i) * position_in_base(str[j], base)); nb += my_pow(radix, i) * position_in_base(str[j], base); j++; } |