move functions

2025-04-26 19:53:55 +02:00
parent 621b9fc4ee
commit 4e344d945e
5 changed files with 100 additions and 72 deletions
--- a/srcs/parsing.c
+++ b/srcs/parsing.c
@ -0,0 +1,123 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parsing.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/04/26 17:01:53 by tomoron           #+#    #+#             */
+/*   Updated: 2025/04/26 17:08:01 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+#include "includes/ft_ping.h"
+
+char *get_value_in_arg(char *arg, int end)
+{
+	char *res;
+
+	res = strstr(arg, "=");
+	if(res - arg != end)
+		return (0);
+	if (!res)
+		return (0);
+	res++;
+	return(res);
+}
+
+int get_setting(int *i, int argc, char **argv, int end)
+{
+	char *value;
+	char *tmp;
+
+	value = 0;
+	if(argv[*i][0] == '-' && argv[*i][1] == '-')
+		value = get_value_in_arg(argv[*i], end);
+	else if((*i) + 1 < argc)
+		value = argv[++(*i)];
+	if(!value)
+	{
+		fprintf(stderr, "%s: option '%s' requires an option\n", argv[0], argv[*i]);
+		return(0);
+	}
+	tmp = value;
+	while(*tmp)
+	{
+		if(!isdigit(*tmp))
+		{
+			fprintf(stderr, "%s: invalid value (`%s' near `%s')\n", argv[0], value, tmp);
+			return(0);
+		}
+		tmp++;
+	}
+	return(atoi(value));
+}
+
+void parse_opt(int *i, t_settings *set, int argc, char **argv)
+{
+	if(!strcmp(argv[*i], "-?") || !strcmp(argv[*i], "--help"))
+		show_help(set, *argv);
+	else if(!strcmp(argv[*i], "-c") || !strncmp(argv[*i], "--count", 7))
+		set->count = get_setting(i, argc, argv, 7);
+	else if(!strcmp(argv[*i], "-w") || !strncmp(argv[*i], "--timeout", 9))
+		set->timeout = get_setting(i, argc, argv, 9);
+	else if(!strncmp(argv[*i], "--ttl", 5))
+	{
+		set->ttl = get_setting(i, argc, argv, 5);
+		set->setTtl = 1;
+	}
+	else if(!strcmp(argv[*i], "-f") || !strcmp(argv[*i], "--flood"))
+		set->flood = 1;
+	else if(!strcmp(argv[*i], "-n") || !strcmp(argv[*i], "--numeric"))
+		set->no_resolve = 1;
+	else
+	{
+		fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], argv[*i]);
+		set->err = 1;
+	}
+}
+
+int check_values(t_settings *set, char *name)
+{
+	if(set->setTtl)
+	{
+		if(set->ttl == 0)
+		{
+			fprintf(stderr, "%s: option value too small: %d\n", name, set->ttl);
+			return(0);
+		}
+		else if (set->ttl >= 256)
+		{
+			fprintf(stderr, "%s: option value too big: %d\n", name, set->ttl);
+			return(0);
+		}
+	}
+	return(1);
+}
+
+t_settings parse_args(int argc, char **argv)
+{
+	int i;
+	t_settings res;
+
+	i = 1;
+	bzero(&res, sizeof(t_settings));
+	res.count = -1;
+	res.timeout = -1;
+	while(i < argc)
+	{
+		if(*argv[i] == '-')
+			parse_opt(&i, &res, argc, argv);
+		else
+		{
+			if(!add_host(&res, argv[i]))
+			{
+				res.err = 1;
+				return(res);
+			}
+		}
+		i++;
+	}
+	check_values(&res, argv[0]);
+	return(res);
+}
+