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/*
Libft Copyright (C) 2026 yctct
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
int ft_atoi(const char *nptr)
{
int i;
int tmp;
int nbl;
i = 0;
nbl = 0;
while (nptr[i] == 32 || (nptr[i] >= 7 && nptr[i] <= 13))
i++;
tmp = 1;
if (nptr[i] == '-')
{
i++;
tmp *= -1;
}
else if (nptr[i] == '+')
i++;
while (nptr[i] >= 48 && nptr[i] <= 57)
{
nbl = (nbl * 10) + nptr[i] - 48;
i++;
}
return (tmp * nbl);
}
/*
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
printf("for: ---+--+1234ab567\n");
printf("ft_atoi: %i\n", ft_atoi(" --+--+1234ab567"));
printf(" atoi: %i\n", atoi(" ---+-+1234ab567"));
printf("------------------------------------\n");
printf("for: 3\n");
printf("ft_atoi: %i\n", ft_atoi("3"));
printf(" atoi: %i\n", atoi("3"));
printf("------------------------------------\n");
printf("for: 0\n");
printf("ft_atoi: %i\n", ft_atoi("0"));
printf(" atoi: %i\n", atoi("0"));
printf("------------------------------------\n");
printf("for: -1\n");
printf("ft_atoi: %i\n", ft_atoi("-1"));
printf(" atoi: %i\n", atoi("-1"));
printf("------------------------------------\n");
printf("for: 2147483647\n");
printf("ft_atoi: %i\n", ft_atoi("2147483647"));
printf(" atoi: %i\n", atoi("2147483647"));
printf("------------------------------------\n");
printf("for: -2147483648\n");
printf("ft_atoi: %i\n", ft_atoi("-2147483648"));
printf(" atoi: %i\n", atoi("-2147483648"));
printf("------------------------------------\n");
printf("for: -2147483647\n");
printf("ft_atoi: %i\n", ft_atoi("-2147483647"));
printf(" atoi: %i\n", atoi("-2147483647"));
printf("------------------------------------\n");
printf("for: 2147483648\n");
printf("ft_atoi: %i\n", ft_atoi("2147483648"));
printf(" atoi: %i\n", atoi("2147483648"));
printf("------------------------------------\n");
printf("for: -+27\n");
printf("ft_atoi: %i\n", ft_atoi("-+27"));
printf(" atoi: %i\n", atoi("-+27"));
printf("------------------------------------\n");
printf("for: +27\n");
printf("ft_atoi: %i\n", ft_atoi("+27"));
printf(" atoi: %i\n", atoi("+27"));
printf("------------------------------------\n");
printf("for: #27\n");
printf("ft_atoi: %i\n", ft_atoi("#27"));
printf(" atoi: %i\n", atoi("#27"));
}
*/
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