Shell command from -c doesn't have to be global, pass it as an argument.

3 files changed, 20 insertions, 20 deletions

diff --git a/client.c b/client.c
index 8144dd1c..5987efa5 100644
--- a/client.c
+++ b/client.c
@@ -53,7 +53,7 @@ enum msgtype	 client_exittype;
 const char	*client_exitsession;
 int		 client_attached;
 
-__dead void	client_exec(const char *);
+__dead void	client_exec(const char *,const char *);
 int		client_get_lock(char *);
 int		client_connect(struct event_base *, const char *, int);
 void		client_send_identify(const char *, const char *);
@@ -62,7 +62,7 @@ void		client_write(int, const char *, size_t);
 void		client_signal(int);
 void		client_dispatch(struct imsg *, void *);
 void		client_dispatch_attached(struct imsg *);
-void		client_dispatch_wait(struct imsg *);
+void		client_dispatch_wait(struct imsg *, const char *);
 const char     *client_exit_message(void);
 
 /*
@@ -213,7 +213,8 @@ client_exit_message(void)
 
 /* Client main loop. */
 int
-client_main(struct event_base *base, int argc, char **argv, int flags)
+client_main(struct event_base *base, int argc, char **argv, int flags,
+    const char *shellcmd)
 {
 	struct cmd		*cmd;
 	struct cmd_list		*cmdlist;
@@ -234,7 +235,7 @@ client_main(struct event_base *base, int argc, char **argv, int flags)
 
 	/* Set up the initial command. */
 	cmdflags = 0;
-	if (shell_cmd != NULL) {
+	if (shellcmd != NULL) {
 		msg = MSG_SHELL;
 		cmdflags = CMD_STARTSERVER;
 	} else if (argc == 0) {
@@ -276,7 +277,8 @@ client_main(struct event_base *base, int argc, char **argv, int flags)
 		}
 		return (1);
 	}
-	client_peer = proc_add_peer(client_proc, fd, client_dispatch, NULL);
+	client_peer = proc_add_peer(client_proc, fd, client_dispatch,
+	    (void *)shellcmd);
 
 	/* Save these before pledge(). */
 	if ((cwd = getcwd(path, sizeof path)) == NULL) {
@@ -450,12 +452,12 @@ client_write(int fd, const char *data, size_t size)
 
 /* Run command in shell; used for -c. */
 __dead void
-client_exec(const char *shell)
+client_exec(const char *shell, const char *shellcmd)
 {
 	const char	*name, *ptr;
 	char		*argv0;
 
-	log_debug("shell %s, command %s", shell, shell_cmd);
+	log_debug("shell %s, command %s", shell, shellcmd);
 
 	ptr = strrchr(shell, '/');
 	if (ptr != NULL && *(ptr + 1) != '\0')
@@ -473,7 +475,7 @@ client_exec(const char *shell)
 	setblocking(STDERR_FILENO, 1);
 	closefrom(STDERR_FILENO + 1);
 
-	execl(shell, argv0, "-c", shell_cmd, (char *) NULL);
+	execl(shell, argv0, "-c", shellcmd, (char *) NULL);
 	fatal("execl failed");
 }
 
@@ -519,7 +521,7 @@ client_signal(int sig)
 
 /* Callback for client read events. */
 void
-client_dispatch(struct imsg *imsg, __unused void *arg)
+client_dispatch(struct imsg *imsg, void *arg)
 {
 	if (imsg == NULL) {
 		client_exitreason = CLIENT_EXIT_LOST_SERVER;
@@ -531,12 +533,12 @@ client_dispatch(struct imsg *imsg, __unused void *arg)
 	if (client_attached)
 		client_dispatch_attached(imsg);
 	else
-		client_dispatch_wait(imsg);
+		client_dispatch_wait(imsg, arg);
 }
 
 /* Dispatch imsgs when in wait state (before MSG_READY). */
 void
-client_dispatch_wait(struct imsg *imsg)
+client_dispatch_wait(struct imsg *imsg, const char *shellcmd)
 {
 	char			*data;
 	ssize_t			 datalen;
@@ -616,7 +618,7 @@ client_dispatch_wait(struct imsg *imsg)
 			fatalx("bad MSG_SHELL string");
 
 		clear_signals(0);
-		client_exec(data);
+		client_exec(data, shellcmd);
 		/* NOTREACHED */
 	case MSG_DETACH:
 	case MSG_DETACHKILL:
diff --git a/tmux.c b/tmux.c
index f2143755..7d49dd30 100644
--- a/tmux.c
+++ b/tmux.c
@@ -39,7 +39,6 @@ struct options	*global_s_options;	/* session options */
 struct options	*global_w_options;	/* window options */
 struct environ	*global_environ;
 
-char		*shell_cmd;
 struct timeval	 start_time;
 const char	*socket_path;
 
@@ -184,7 +183,7 @@ find_home(void)
 int
 main(int argc, char **argv)
 {
-	char		*path, *label, **var, tmp[PATH_MAX];
+	char		*path, *label, **var, tmp[PATH_MAX], *shellcmd = NULL;
 	const char	*s;
 	int		 opt, flags, keys;
 
@@ -203,8 +202,8 @@ main(int argc, char **argv)
 			flags |= CLIENT_256COLOURS;
 			break;
 		case 'c':
-			free(shell_cmd);
-			shell_cmd = xstrdup(optarg);
+			free(shellcmd);
+			shellcmd = xstrdup(optarg);
 			break;
 		case 'C':
 			if (flags & CLIENT_CONTROL)
@@ -241,7 +240,7 @@ main(int argc, char **argv)
 	argc -= optind;
 	argv += optind;
 
-	if (shell_cmd != NULL && argc != 0)
+	if (shellcmd != NULL && argc != 0)
 		usage();
 
 	if (pledge("stdio rpath wpath cpath flock fattr unix getpw sendfd "
@@ -318,5 +317,5 @@ main(int argc, char **argv)
 	free(label);
 
 	/* Pass control to the client. */
-	exit(client_main(event_init(), argc, argv, flags));
+	exit(client_main(event_init(), argc, argv, flags, shellcmd));
 }
diff --git a/tmux.h b/tmux.h
index 50d7fb03..f4638bc8 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1431,7 +1431,6 @@ extern struct options *global_options;
 extern struct options *global_s_options;
 extern struct options *global_w_options;
 extern struct environ *global_environ;
-extern char		*shell_cmd;
 extern struct timeval	 start_time;
 extern const char	*socket_path;
 const char	*getshell(void);
@@ -1732,7 +1731,7 @@ int	cmd_string_parse(const char *, struct cmd_list **, const char *,
 void	cmd_wait_for_flush(void);
 
 /* client.c */
-int	client_main(struct event_base *, int, char **, int);
+int	client_main(struct event_base *, int, char **, int, const char *);
 
 /* key-bindings.c */
 RB_PROTOTYPE(key_bindings, key_binding, entry, key_bindings_cmp);