41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: o_ :::::: ::: */
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/* ft_atoi.c :+: / :+::+: :+: */
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/* +:+ > +:++:+ +:+ */
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/* By: whaffman <whaffman@student.codam.nl> +#+ +:+ +#++#++:++#++ */
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/* +#+ +#+#+ +#++#+ +#+ \o/ */
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/* Created: 2024/10/10 17:00:13 by whaffman #+#+# #+#+# #+# #+# | */
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/* Updated: 2024/10/10 17:00:13 by whaffman ### ### ### ### / \ */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int ft_isspace(int c)
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{
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return (' ' == c || '\f' == c || \
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'\n' == c || '\r' == c || \
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'\t' == c || '\v' == c);
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}
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int ft_atoi(const char *nptr)
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{
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int sign;
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int res;
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while (ft_isspace(*nptr))
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nptr++;
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res = 0;
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sign = 1;
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if (*nptr == '-' || *nptr == '+')
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{
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if (*nptr == '-')
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sign *= -1;
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nptr++;
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}
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while (ft_isdigit(*nptr))
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res = 10 * res + sign * (*nptr++ - '0');
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return (res);
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}
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