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35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_printf_atoi.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jguelen <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/12/01 13:45:04 by jguelen #+# #+# */
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/* Updated: 2024/12/01 17:16:53 by jguelen ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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/*Does not deal with the isspace(3) characters.
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* @RETURN a long castable into an int or LONG_MAX if overflow has
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* occurred in the positive.
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*/
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long ft_printf_atoi(char *str, char **current)
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{
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long calc;
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calc = 0;
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while (*str && ft_isdigit(*str))
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{
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if ((calc > (INT_MAX / 10))
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|| ((calc == (INT_MAX / 10)) && ((INT_MAX % 10) < (*str - '0'))))
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return (LONG_MAX);
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calc = calc * 10 + (*str - '0');
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str++;
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}
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*current = str;
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return (calc);
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}
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