51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* tools_lenght.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: klebon <klebon@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2018/10/01 15:40:34 by klebon #+# #+# */
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/* Updated: 2019/03/07 22:19:06 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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unsigned int ft_bin_size(unsigned int nb)
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{
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unsigned int n;
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unsigned int size;
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n = nb;
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size = 1;
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while (n /= 2)
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size++;
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return (size);
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}
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int ft_wstrlen(const wint_t *str)
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{
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int i;
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int len;
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i = 0;
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len = 0;
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while (str[i])
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{
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if (str[i] < 0 || (MB_CUR_MAX == 1 && str[i] > 0xFF)
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|| (str[i] >= 0xD800 && str[i] <= 0xDFFF) || str[i] > 0x10FFFF)
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return (-1);
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else if (str[i] <= 0x7F || (MB_CUR_MAX == 1 && str[i] <= 0xFF))
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len += 1;
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else if (str[i] <= 0x7FF)
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len += 2;
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else if (str[i] <= 0xFFFF)
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len += 3;
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else if (str[i] <= 0x10FFFF)
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len += 4;
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++i;
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}
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return (len);
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}
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