55 lines
652 B
C
55 lines
652 B
C
#include "libft.h"
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static char *ft_strrev(char *str)
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{
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int len;
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char tmp;
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int i;
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i = 0;
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len = 0;
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while (str[len] != '\0')
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len++;
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while (i < len / 2)
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{
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tmp = str[len - (i + 1)];
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str[len - (i + 1)] = str[i];
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str[i] = tmp;
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i++;
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}
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return (str);
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}
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static size_t ft_size(int n)
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{
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size_t i;
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i = 1;
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while (n /= 10)
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i++;
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return (i);
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}
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char *ft_itoa(int n)
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{
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int i;
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char *str;
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i = 0;
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str = ft_strnew(ft_size(n) + 1);
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if (n == 0)
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{
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str[i++] = '0';
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str[i] = '\0';
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return (str);
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}
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while (n)
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{
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str[i++] = ABS(n % 10) + '0';
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n /= 10;
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}
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if (NEG(n))
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str[i++] = '-';
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str[i] = '\0';
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return (ft_strrev(str));
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}
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