refactor(cli): use X-macro pattern for CLI options definition

Extract CLI options into a reusable macro (CLI_OPTIONS_LIST) in cli_opt.h
and refactor handler_map.c to eliminate manual option array duplication.
Calculate g_has_len automatically from option definitions.

includes/cli.h

@@ -33,6 +33,7 @@ typedef struct s_option_descriptor
 
 extern const t_option_descriptor	g_options[];
 extern const size_t					g_options_len;
+extern const size_t					g_opt_str_len;
 
 int	cli_handle_count(const char *arg, t_ping_config *config);
 int	cli_handle_flood(const char *arg, t_ping_config *config);

includes/cli_opt.h

@@ -0,0 +1,94 @@
+#ifndef PING_CLI_OPT_H
+#define PING_CLI_OPT_H
+
+#define CLI_OPTIONS_LIST \
+	X( \
+		'h', \
+		"help", \
+		no_argument, \
+		cli_handle_help, \
+		OPT_ARG_NONE, \
+		"Display this help and exit" \
+	) \
+	X( \
+		'V', \
+		"version", \
+		no_argument, \
+		cli_handle_version, \
+		OPT_ARG_NONE, \
+		"Display version information and exit" \
+	) \
+	X( \
+		'v', \
+		"verbose", \
+		no_argument, \
+		cli_handle_verbose, \
+		OPT_ARG_NONE, \
+		"Verbose output" \
+	) \
+	X( \
+		'q', \
+		"quiet", \
+		no_argument, \
+		cli_handle_quiet, \
+		OPT_ARG_NONE, \
+		"Quiet mode	(only show summary)" \
+	) \
+	X( \
+		'c', \
+		"count", \
+		required_argument, \
+		cli_handle_count, \
+		OPT_ARG_UINT, \
+		"Stop after	sending	N packets" \
+	) \
+	X( \
+		'i', \
+		"interval", \
+		required_argument, \
+		cli_handle_interval, \
+		OPT_ARG_SECONDS, \
+		"Wait N	seconds	between	packets" \
+	) \
+	X( \
+		't', \
+		"ttl", \
+		required_argument, \
+		cli_handle_ttl, \
+		OPT_ARG_TTL, \
+		"Set Time To Live" \
+	) \
+	X( \
+		's', \
+		"size", \
+		required_argument, \
+		cli_handle_size, \
+		OPT_ARG_BYTES, \
+		"Packet	size in	bytes" \
+	) \
+	X( \
+		'W', \
+		"timeout", \
+		required_argument, \
+		cli_handle_timeout, \
+		OPT_ARG_SECONDS, \
+		"Timeout for replies in	seconds" \
+	) \
+	X( \
+		'f', \
+		"flood", \
+		no_argument, \
+		cli_handle_flood, \
+		OPT_ARG_NONE, \
+		"Flood mode" \
+	)
+
+#undef X
+#define X(short_opt, long_opt, has_arg, handler, arg_type, desc) \
+	+ (1 * (has_arg == no_argument) \
+	+ (2 * (has_arg == required_argument) \
+	+ (3 * (has_arg == optional_argument))))
+
+#define CLI_OPT_STR_LEN (0 CLI_OPTIONS_LIST)
+
+#endif

src/cli/handlers/handler_map.c

@@ -1,52 +1,26 @@
 #include <getopt.h>
+#include <stddef.h>
 
 #include "cli.h"
+#include "cli_opt.h"
+
+#undef X
+#define X(short_opt, long_opt, has_arg, handler, arg_type, desc) \
+{ short_opt, long_opt, has_arg, handler, arg_type, desc },
 
 const t_option_descriptor g_options[] = {
-	{
+	CLI_OPTIONS_LIST
-		'h', "help",     no_argument,       cli_handle_help,		OPT_ARG_NONE,
+	{0, NULL, 0, NULL, OPT_ARG_NONE, NULL }
-		"Display this help and exit"
-	},
-	{
-		'V', "version",  no_argument,       cli_handle_version,		OPT_ARG_NONE,
-		"Display version information and exit"
-	},
-	{
-		'v', "verbose",  no_argument,       cli_handle_verbose,		OPT_ARG_NONE,
-		"Verbose output"
-	},
-	{
-		'q', "quiet",    no_argument,       cli_handle_quiet,		OPT_ARG_NONE,
-		"Quiet mode (only show summary)"
-	},
-	{
-		'c', "count",    required_argument, cli_handle_count,		OPT_ARG_UINT,
-		"Stop after sending N packets"
-	},
-	{
-		'i', "interval", required_argument, cli_handle_interval,	OPT_ARG_SECONDS,
-		"Wait N seconds between packets"
-	},
-	{
-		't', "ttl",      required_argument, cli_handle_ttl,			OPT_ARG_TTL,
-		"Set Time To Live"
-	},
-	{
-		's', "size",     required_argument, cli_handle_size,		OPT_ARG_BYTES,
-		"Packet size in bytes"
-	},
-	{
-		'W', "timeout",  required_argument, cli_handle_timeout,		OPT_ARG_SECONDS,
-		"Timeout for replies in seconds"
-	},
-	{
-		'f', "flood",    no_argument,       cli_handle_flood,		OPT_ARG_NONE,
-		"Flood mode"
-	},
-	{
-		0,   NULL,       0,                 NULL,					OPT_ARG_NONE,
-		NULL
-	}
 };
 
+
 const size_t g_options_len = ((sizeof(g_options) / sizeof(*g_options)) - 1);
+
+#undef X
+#define X(short_opt, long_opt, has_arg, handler, arg_type, desc) \
+	+ (1 * (has_arg == no_argument) \
+	+ (2 * (has_arg == required_argument) \
+	+ (3 * (has_arg == optional_argument))))
+
+const size_t g_opt_str_len = CLI_OPT_STR_LEN;
+#undef X