build(parsing): adding the flags / target

includes/macro.h

@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/03/24 11:23:47 by rparodi           #+#    #+#             */
-/*   Updated: 2026/03/24 13:20:48 by rparodi          ###   ########.fr       */
+/*   Updated: 2026/03/30 12:29:28 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,8 +19,8 @@
 # define DEBUG 0
 #endif
 
-#define ERROR_LOG(str) dprintf(2, "%sError:\t%s (%s:%d in %s)%s\n", CLR_RED, str, __FILE_NAME__, __LINE__, __FUNCTION__, CLR_RESET);
+#define ERROR_LOG(str) if (DEBUG) {dprintf(2, "%sError:\t%s (%s:%d in %s)%s\n", CLR_RED, str, __FILE_NAME__, __LINE__, __FUNCTION__, CLR_RESET);} else { dprintf(2, "%s\n", str); }
 #define WARN_LOG(str) if (DEBUG) {dprintf(2, "%sWarning:\t%s (%s:%d in %s)%s\n", CLR_YELLOW, str, __FILE_NAME__, __LINE__, __FUNCTION__, CLR_RESET);}
 #define INFO_LOG(str) if (DEBUG) {dprintf(2, "%sInfo:\t%s (%s:%d in %s)%s\n", CLR_BLUE, str, __FILE_NAME__, __LINE__, __FUNCTION__, CLR_RESET);}
 #define DEBUG_LOG(str) if (DEBUG) {dprintf(2, "%sDebug:\t%s (%s:%d in %s)%s\n", CLR_GREY, str, __FILE_NAME__, __LINE__, __FUNCTION__, CLR_RESET);}
-#define SUCCESS_LOG(str) if (DEBUG) {dprintf(2, "%sSuccess from %s:\t%s (%s:%d)%s\n", CLR_GREEN, str, __FILE_NAME__, __LINE__, __FUNCTION__, CLR_RESET);}
+#define SUCCESS_LOG(str) if (DEBUG) {dprintf(2, "%sSuccess:\t%s (%s:%d in %s)%s\n", CLR_GREEN, str, __FILE_NAME__, __LINE__, __FUNCTION__, CLR_RESET);}

parsing/includes/parsing.h

@@ -6,7 +6,7 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/03/23 14:49:37 by rparodi           #+#    #+#             */
-/*   Updated: 2026/03/28 15:25:03 by rparodi          ###   ########.fr       */
+/*   Updated: 2026/03/30 12:19:17 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -33,6 +33,8 @@ typedef struct s_args {
 extern const t_args _flags[];
 
 size_t args_size();
+uint64_t check_num_arguments(char *arg);
+void check_flags(int argc, char **argv, t_flags *flags);
+void check_target(const char *target);
 void print_help(const size_t size);
 void print_usage(const size_t size);
-uint64_t check_num_arguments(char *arg);

parsing/parsing.mk

@@ -6,7 +6,7 @@
 #    By: rparodi <marvin@42.fr>                     +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2023/11/12 11:05:05 by rparodi           #+#    #+#              #
-#    Updated: 2026/03/28 15:15:58 by rparodi          ###   ########.fr        #
+#    Updated: 2026/03/30 12:19:43 by rparodi          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -19,6 +19,8 @@ NAME = lib$(MODULE_NAME).a
 SRC =	sources/utils.c \
 		sources/help.c \
 		sources/usage.c \
+		sources/flags.c \
+		sources/target.c \
 		sources/parsing.c
 
 CC ?= clang

parsing/sources/flags.c

@@ -0,0 +1,140 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   flags.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/30 12:06:19 by rparodi           #+#    #+#             */
+/*   Updated: 2026/03/30 12:40:57 by rparodi          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "parsing.h"
+#include "macro.h"
+#include <bits/getopt_core.h>
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <asm-generic/errno-base.h>
+
+const t_args _flags[] = {
+	{'?', "help", NULL, "print help and exit", true},
+	{'W', "linger","<timeout>,", "time to wait for response", false},
+	{'c', "count","<count>", "stop after <count> replies", false},
+	{'f', "flood",NULL, "flood ping", false},
+	{'l', "preload","<preload>,", "send <preload> number of packages while waiting replies", false},
+	{'n', "numeric",NULL, "no reverse DNS name resolution", false},
+	{'p', "pattern","<pattern>,", "contents of padding byte", false},
+	{'q', "quiet", NULL, "reply wait <deadline> in seconds", false},
+	{'v', "verbose",NULL, "verbose output", true},
+	{'w', "timeout","<deadline>,", "reply wait <deadline> in seconds", false},
+	{0, "usage", NULL, "give a short usage message", false},
+	{0, NULL, NULL,NULL, true},
+};
+
+static struct option *_t_args_to_getopt_long(const size_t size) {
+	struct option *long_options = (struct option *)calloc((size + 1), sizeof(struct option));
+	if (!long_options) {
+		return NULL;
+	}
+
+	for (size_t i = 0; i < size; i++) {
+		long_options[i].name = _flags[i].long_option;
+		long_options[i].val = _flags[i].short_option;
+		if (_flags[i].usage == NULL) {
+			long_options[i].has_arg = no_argument;
+		} else {
+			long_options[i].has_arg = required_argument;
+		}
+		long_options[i].flag = NULL;
+	}
+
+	long_options[size] = (struct option){0};
+	return long_options;
+}
+
+void check_flags(int argc, char **argv, t_flags *flags) {
+	const size_t size = args_size();
+	size_t j = 0;
+	char args[2 * size + 1];
+	bzero(args, sizeof(args));
+
+	for (size_t i = 0; i < size; i++) {
+		if (_flags[i].is_mandatory != false || BONUS == 1) {
+			args[j++] = _flags[i].short_option;
+			if (_flags[i].usage != NULL)
+				args[j++] = ':';
+		}
+	}
+
+	DEBUG_LOG(args);
+
+	struct option *options = _t_args_to_getopt_long(size);
+	if (!options) {
+		ERROR_LOG(strerror(ENOMEM));
+		exit(ENOMEM);
+	}
+	opterr = 1;
+	int opt;
+	while ((opt = getopt_long(argc, argv, args, options, NULL)) != -1) {
+		switch (opt) {
+			case 'v':
+				INFO_LOG("argument verbose");
+				flags->verbose = true;
+				break;
+			case 'f':
+				INFO_LOG("argument flood");
+				flags->flood = true;
+				break;
+			case 'n':
+				INFO_LOG("argument no-reverse");
+				flags->reverse_dns = true;
+				break;
+			case 'c':
+				INFO_LOG("argument count");
+				flags->count = check_num_arguments(optarg);
+				break;
+			case 'q':
+				INFO_LOG("argument quiet");
+				flags->quiet = true;
+				break;
+			case 'w':
+				INFO_LOG("argument wait");
+				flags->wait = check_num_arguments(optarg);
+				break;
+			case 'W':
+				INFO_LOG("argument timeout");
+				flags->timeout = check_num_arguments(optarg);
+				break;
+			case '?':
+				free(options);
+				if (optopt != 0) {
+					if (isprint(optopt)) {
+						char invalid_option[2] = {optopt, 0};
+						WARN_LOG(invalid_option);
+					}
+					ERROR_LOG("Try 'ft_ping --help' or 'ft_ping --usage' for more information.");
+					exit(64);
+				}
+				print_help(size);
+				exit(EXIT_SUCCESS);
+			default:
+				if (strcmp(options[optind - 1].name, "usage"))
+					print_usage(size);
+				else {
+					if (isprint(optopt)) {
+						char invalid_option[2] = {optopt, 0};
+						WARN_LOG(invalid_option);
+					}
+					ERROR_LOG("Try 'ft_ping --help' or 'ft_ping --usage' for more information.");
+					exit(64);
+				}
+		}
+	}
+	free(options);
+}

parsing/sources/parsing.c

@@ -6,140 +6,40 @@
 /*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/03/23 14:49:36 by rparodi           #+#    #+#             */
-/*   Updated: 2026/03/28 15:43:45 by rparodi          ###   ########.fr       */
+/*   Updated: 2026/03/30 12:22:07 by rparodi          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "parsing.h"
 #include "macro.h"
-#include <bits/getopt_core.h>
+#include "struct.h"
-#include <ctype.h>
-#include <stdbool.h>
 #include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
 #include <getopt.h>
-#include <errno.h>
 
-const t_args _flags[] = {
+static const char *_find_target(int argc, char **argv) {
-	{'?', "help", NULL, "print help and exit", true},
+	const char *target = NULL;
-	{'W', "linger","<timeout>,", "time to wait for response", false},
-	{'c', "count","<count>", "stop after <count> replies", false},
-	{'f', "flood",NULL, "flood ping", false},
-	{'l', "preload","<preload>,", "send <preload> number of packages while waiting replies", false},
-	{'n', "numeric",NULL, "no reverse DNS name resolution", false},
-	{'p', "pattern","<pattern>,", "contents of padding byte", false},
-	{'q', "quiet", NULL, "reply wait <deadline> in seconds", false},
-	{'v', "verbose",NULL, "verbose output", true},
-	{'w', "timeout","<deadline>,", "reply wait <deadline> in seconds", false},
-	{0, "usage", NULL, "give a short usage message", false},
-	{0, NULL, NULL,NULL, true},
-};
 
-static struct option *_t_args_to_getopt_long(const size_t size) {
+	for (int i = optind; i < argc; i++) {
-	struct option *long_options = (struct option *)calloc((size + 1), sizeof(struct option));
+		if (argv[i][0] != '-') {
-	if (!long_options) {
+			target = argv[i];
-		return NULL;
-	}
-
-	for (size_t i = 0; i < size; i++) {
-		long_options[i].name = _flags[i].long_option;
-		long_options[i].val = _flags[i].short_option;
-		if (_flags[i].usage == NULL) {
-			long_options[i].has_arg = no_argument;
-		} else {
-			long_options[i].has_arg = required_argument;
 		}
-		long_options[i].flag = NULL;
 	}
 
-	long_options[size] = (struct option){0};
+	if (target == NULL || target[0] == '\0') {
-	return long_options;
+		dprintf(2, "%s: missing host operand \n Try 'ping --help' or 'ping --usage' for more information.", argv[0]);
-}
+		exit(64);
+	}
 
+	return (target);
+}
 void	parsing_args(int argc, char **argv, t_flags *flags)
 {
 	if (argc == 1) {
 		dprintf(2, "%s: missing host operand \n Try 'ping --help' or 'ping --usage' for more information.", argv[0]);
 		exit(64);
 	}
-	const size_t size = args_size();
-	size_t j = 0;
-	char args[2 * size + 1];
-	bzero(args, sizeof(args));
 
-	for (size_t i = 0; i < size; i++) {
+	check_flags(argc, argv, flags);
-		if (_flags[i].is_mandatory != false || BONUS == 1) {
+	check_target(_find_target(argc, argv));
-			args[j++] = _flags[i].short_option;
+	SUCCESS_LOG("PARSING finished with success");
-			if (_flags[i].usage != NULL)
-				args[j++] = ':';
-		}
-	}
-
-	DEBUG_LOG(args);
-
-	struct option *options = _t_args_to_getopt_long(size);
-	if (!options) {
-		ERROR_LOG(strerror(ENOMEM));
-		exit(ENOMEM);
-	}
-	opterr = 1;
-	int opt;
-	while ((opt = getopt_long(argc, argv, args, options, NULL)) != -1) {
-		switch (opt) {
-			case 'v':
-				INFO_LOG("argument verbose");
-				flags->verbose = true;
-				break;
-			case 'f':
-				INFO_LOG("argument flood");
-				flags->flood = true;
-				break;
-			case 'n':
-				INFO_LOG("argument no-reverse");
-				flags->reverse_dns = true;
-				break;
-			case 'c':
-				INFO_LOG("argument count");
-				flags->count = check_num_arguments(optarg);
-				break;
-			case 'q':
-				INFO_LOG("argument quiet");
-				flags->quiet = true;
-				break;
-			case 'w':
-				INFO_LOG("argument wait");
-				flags->wait = check_num_arguments(optarg);
-				break;
-			case 'W':
-				INFO_LOG("argument timeout");
-				flags->timeout = check_num_arguments(optarg);
-				break;
-			case '?':
-				free(options);
-				if (optopt != 0) {
-					if (isprint(optopt)) {
-						char invalid_option[2] = {optopt, 0};
-						WARN_LOG(invalid_option);
-					}
-					dprintf(2, "Try 'ping --help' or 'ping --usage' for more information.\n");
-					exit(64);
-				}
-				print_help(size);
-				exit(EXIT_SUCCESS);
-			default:
-				if (strcmp(options[optind - 1].name, "usage"))
-					print_usage(size);
-				else {
-					if (isprint(optopt)) {
-						char invalid_option[2] = {optopt, 0};
-						WARN_LOG(invalid_option);
-					}
-					dprintf(2, "Try 'ping --help' or 'ping --usage' for more information.\n");
-					exit(64);
-				}
-		}
-	}
-	free(options);
 }

parsing/sources/target.c

@@ -0,0 +1,34 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   target.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rparodi <rparodi@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/03/30 12:09:48 by rparodi           #+#    #+#             */
+/*   Updated: 2026/03/30 12:33:54 by rparodi          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "macro.h"
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+void check_target(const char *target) {
+	struct addrinfo hints = {0}, *res;
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_RAW;
+	hints.ai_protocol = IPPROTO_ICMP;
+
+	int err = getaddrinfo(target, NULL, &hints, &res);
+	if (err != 0) {
+		ERROR_LOG("ft_ping: unknown host");
+		exit(EXIT_FAILURE);
+	}
+	freeaddrinfo(res);
+}