/*
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"));
}
*/