HexPloR
107 lines
2.6 KiB
C
Executable File
107 lines
2.6 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_atoi.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: hexplor <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/13 15:57:24 by hexplor #+# #+# */
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/* Updated: 2023/11/27 22:23:38 by hexplor ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int ft_isspace(char c)
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{
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if (c == '\t' || c == '\n' || c == '\v' \
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|| c == '\f' || c == '\r' || c == ' ')
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return (1);
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return (0);
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}
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static int ft_fsign(char c)
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{
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if (c == '-')
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return (-1);
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return (1);
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}
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int ft_atoi(const char *text)
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{
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long sign;
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long number;
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number = 0;
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sign = 1;
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while (ft_isspace(*text) == 1)
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text++;
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if (*text == '-' || *text == '+')
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{
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sign = ft_fsign(*text);
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text++;
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}
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while (ft_isdigit(*text) == 1)
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{
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number *= 10;
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number += *text - '0';
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text++;
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}
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return (sign * number);
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}
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/*
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#include <stdlib.h>
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#include <limits.h>
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int main(void)
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{
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char *texte1 = "12";
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char *texte2 = "+12";
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char *texte3 = "-12";
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char *texte4 = " \t\n\v\f\r12";
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char *texte5 = " \t\n\v\f\r+12";
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char *texte6 = " \t\n\v\f\r-12";
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char *texte7 = "--12";
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char *texte8 = "++12";
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char *texte9 = "abcd7";
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char *texte10 = "12abs";
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char *texte11 = "";
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char *texte12 = "0";
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char *texte13 = "-2147483649";
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char *texte14 = "2147483649";
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if (ft_atoi(texte1) != 12)
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printf("1: NON\n");
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if(ft_atoi(texte2) != 12)
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printf("2: NON\n");
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if(ft_atoi(texte3) != -12)
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printf("3: NON\n");
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if(ft_atoi(texte4) != 12)
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printf("4: NON\n");
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if(ft_atoi(texte5) != 12)
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printf("5: NON\n");
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if(ft_atoi(texte6) != -12)
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printf("6: NON\n");
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if(ft_atoi(texte7) != 0)
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printf("7: NON\n");
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if(ft_atoi(texte8) != 0)
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printf("8: NON\n");
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if(ft_atoi(texte9) != 0)
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printf("9: NON\n");
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if(ft_atoi(texte10) != 12)
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printf("10: NON\n");
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if(ft_atoi(texte11) != 0)
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printf("11: NON\n");
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if(ft_atoi(texte12) != 0)
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printf("12: NON\n");
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if(ft_atoi(texte13) != -2147483649L)
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printf("13: NON\n");
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if(ft_atoi(texte14) != 2147483649L)
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printf("14: NON\n");
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write(1, "\n", 1);
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return (0);
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}*/
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