norme, fix name of numeric check

ex00/ft_utils.c

@@ -1,12 +1,12 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   utils.c                                            :+:      :+:    :+:   */
+/*   ft_utils.c                                         :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: achubuko <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/12/02 21:56:30 by achubuko          #+#    #+#             */
-/*   Updated: 2023/12/02 23:45:23 by achubuko         ###   ########.fr       */
+/*   Updated: 2023/12/03 18:07:15 by achubuko         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 #include "ft_utils.h"
@@ -25,3 +25,21 @@ size_t	ft_strlen(char *s)
 		l++;
 	return (l);
 }
+
+int	ft_str_is_numeric(char *str)
+{
+	int	i;
+
+	i = 0;
+	if (str[i] == '\0')
+		return (0);
+	while (str[i] != '\0')
+	{
+		if (str[i] < '0' || str[i] > '9')
+			return (0);
+		i++;
+	}
+	if (str[0] == '-')
+		return (-1);
+	return (1);
+}

ex00/ft_utils.h

@@ -6,7 +6,7 @@
 /*   By: achubuko <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/12/02 21:57:06 by achubuko          #+#    #+#             */
-/*   Updated: 2023/12/02 23:04:09 by achubuko         ###   ########.fr       */
+/*   Updated: 2023/12/03 18:08:38 by achubuko         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 #ifndef FT_UTILS_H
@@ -16,4 +16,5 @@
 
 uint32_t	ft_atoui32(char *str);
 size_t		ft_strlen(char *s);
+int			ft_str_is_numeric(char *str);
 #endif

ex00/main.c

@@ -6,7 +6,7 @@
 /*   By: achubuko <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/12/02 21:01:21 by achubuko          #+#    #+#             */
-/*   Updated: 2023/12/02 23:45:57 by achubuko         ###   ########.fr       */
+/*   Updated: 2023/12/03 18:09:34 by achubuko         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 #include "main.h"
@@ -18,5 +18,18 @@ int	main(int argc, char **argv)
 		write(1, "Error: program requires 1 or 2 arguments passed!", 48);
 		return (1);
 	}
-	write(1, argv[1], ft_strlen(argv[1]));
+	if (ft_str_is_numeric(argv[1]) == 1)
+	{
+		print_digit_words(argv[1]);
+	}
+	else if (ft_str_is_numeric(argv[1]) == -1)
+	{
+		write(1, "Argument #1 must be positive!", 28);
+		return (2);
+	}
+	else
+	{
+		write(1, "Argument #1 must be a number!", 28);
+		return (3);
+	}
 }