ft_utils3.c

#include "minishell.h"

int	check_charset(char *str, char *charset)
{
	int	i;
	int	j;

	i = 0;
	while (str[i])
	{
		j = 0;
		while (charset[j])
		{
			if (str[i] == charset[j])
				return (1);
			j++;
		}
		i++;
	}
	return (0);
}

char	*ft_strcpy(char *dest, char *src)
{
	int	i;

	i = 0;
	while (src[i])
	{
		dest[i] = src[i];
		i++;
	}
	dest[i] = '\0';
	return (dest);
}

size_t	ft_strlen(const char *str)
{
	size_t	i;

	i = 0;
	if (str == NULL)
		return (i);
	while (str[i] != 0)
		i++;
	return (i);
}

char	*ft_strdup(const char *s1)
{
	size_t	len;
	char	*rep;
	int		i;

	len = ft_strlen(s1);
	i = 0;
	rep = malloc(sizeof(char) * len + 1);
	if (rep == NULL)
		return (NULL);
	while (s1[i])
	{
		rep[i] = s1[i];
		i++;
	}
	rep[i] = '\0';
	return (rep);
}

char	*ft_strcat(char *dest, char *src)
{
	int	i;
	int	len;

	len = ft_strlen(dest);
	i = 0;
	while (src[i] != '\0')
	{
		dest[len] = src[i];
		i++;
		len++;
	}
	dest[len] = '\0';
	return (dest);
}