From a6b905895fef7bdd51781def5c003a95983a231e Mon Sep 17 00:00:00 2001
From: David Härdeman <david@hardeman.nu>
Date: Fri, 26 Jun 2020 22:50:18 +0200
Subject: Pass struct cfg throughout

---
 minecctl/minecctl.c | 62 ++++++++++++++++++++++++++---------------------------
 1 file changed, 30 insertions(+), 32 deletions(-)

(limited to 'minecctl/minecctl.c')

diff --git a/minecctl/minecctl.c b/minecctl/minecctl.c
index 324f0ef..c00a994 100644
--- a/minecctl/minecctl.c
+++ b/minecctl/minecctl.c
@@ -21,10 +21,8 @@
 #include "config-parser.h"
 #include "config.h"
 
-static struct cfg *cfg = NULL;
-
 static void
-dump_config()
+dump_config(struct cfg *cfg)
 {
 	/* FIXME: return unless debugging enabled */
 	struct server *server;
@@ -126,7 +124,7 @@ out:
 }
 
 static bool
-create_server_from_cmdline_args()
+create_server_from_cmdline_args(struct cfg *cfg)
 {
 	struct server *server;
 
@@ -180,7 +178,7 @@ do_list(struct cfg *cfg)
 }
 
 static inline void
-get_optional_server_arg(char * const **argv, bool more)
+get_optional_server_arg(struct cfg *cfg, char * const **argv, bool more)
 {
 	if (!cfg->rcon_addrstr) {
 		if (!**argv) {
@@ -203,7 +201,7 @@ get_optional_server_arg(char * const **argv, bool more)
 }
 
 static void
-parse_command(char * const *argv)
+parse_command(struct cfg *cfg, char * const *argv)
 {
 	enum commands cmd = CMD_INVALID;
 
@@ -244,27 +242,27 @@ parse_command(char * const *argv)
 		cfg->cmd = do_stop_all;
 		break;
 	case CMD_STATUS:
-		get_optional_server_arg(&argv, false);
+		get_optional_server_arg(cfg, &argv, false);
 		cfg->cmd = do_status;
 		break;
 	case CMD_PING:
-		get_optional_server_arg(&argv, false);
+		get_optional_server_arg(cfg, &argv, false);
 		cfg->cmd = do_ping;
 		break;
 	case CMD_STOP:
-		get_optional_server_arg(&argv, false);
+		get_optional_server_arg(cfg, &argv, false);
 		cfg->cmd = do_stop;
 		break;
 	case CMD_PCOUNT:
-		get_optional_server_arg(&argv, false);
+		get_optional_server_arg(cfg, &argv, false);
 		cfg->cmd = do_pcount;
 		break;
 	case CMD_CONSOLE:
-		get_optional_server_arg(&argv, false);
+		get_optional_server_arg(cfg, &argv, false);
 		cfg->cmd = do_console;
 		break;
 	case CMD_COMMAND:
-		get_optional_server_arg(&argv, true);
+		get_optional_server_arg(cfg, &argv, true);
 
 		if (!*argv) {
 			error("Missing arguments");
@@ -276,7 +274,7 @@ parse_command(char * const *argv)
 		break;
 	case CMD_INVALID:
 		/* shorthand notation */
-		get_optional_server_arg(&argv, true);
+		get_optional_server_arg(cfg, &argv, true);
 
 		if (!*argv) {
 			/* !CMD = console */
@@ -293,7 +291,7 @@ parse_command(char * const *argv)
 }
 
 static void
-parse_cmdline(int argc, char * const *argv)
+parse_cmdline(struct cfg *cfg, int argc, char * const *argv)
 {
 	int c;
 	char *e;
@@ -377,45 +375,45 @@ parse_cmdline(int argc, char * const *argv)
 int
 main(int argc, char **argv)
 {
-	int rv = EXIT_FAILURE;
+	struct cfg cfg = {
+		.servers = LIST_HEAD_INIT(cfg.servers),
+	};
 	struct server *server, *tmp;
+	int rv = EXIT_FAILURE;
 
 	debug_mask = DBG_ERROR | DBG_INFO;
 
 	set_use_colors();
 
-	cfg = zmalloc(sizeof(*cfg));
-	INIT_LIST_HEAD(&cfg->servers);
+	parse_cmdline(&cfg, argc, argv);
 
-	parse_cmdline(argc, argv);
+	server_load_all_known(&cfg);
 
-	server_load_known(cfg);
+	parse_command(&cfg, &argv[optind]);
 
-	parse_command(&argv[optind]);
-
-	if (!cfg->cmd) {
+	if (!cfg.cmd) {
 		error("Failed to parse command");
 		goto out;
 	}
 
-	if (cfg->rcon_addrstr || cfg->mc_addrstr)
-		if (!create_server_from_cmdline_args())
+	if (cfg.rcon_addrstr || cfg.mc_addrstr)
+		if (!create_server_from_cmdline_args(&cfg))
 			goto out;
-	dump_config();
+
+	dump_config(&cfg);
 
 	/* FIXME: Should return bool */
-	cfg->cmd(cfg);
+	cfg.cmd(&cfg);
 
 	rv = EXIT_SUCCESS;
 
 out:
-	list_for_each_entry_safe(server, tmp, &cfg->servers, list)
+	list_for_each_entry_safe(server, tmp, &cfg.servers, list)
 		server_free(server);
-	free_password(&cfg->rcon_password);
-	xfree(cfg->rcon_addrstr);
-	xfree(cfg->mc_addrstr);
-	xfree(cfg->cmdstr);
-	xfree(cfg);
+	free_password(&cfg.rcon_password);
+	xfree(cfg.rcon_addrstr);
+	xfree(cfg.mc_addrstr);
+	xfree(cfg.cmdstr);
 	exit(rv);
 }
 
-- 
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