If multiple arguments are given to new-session, new-window,

split-window, respawn-window or respawn-pane, pass them directly to
execvp() to help avoid quoting problems. One argument still goes to "sh
-c" like before. Requested by many over the years. Patch from J Raynor.

1 files changed, 17 insertions, 8 deletions

diff --git a/cmd-split-window.c b/cmd-split-window.c
index 50949b39..55231134 100644
--- a/cmd-split-window.c
+++ b/cmd-split-window.c
@@ -36,7 +36,7 @@ enum cmd_retval	 cmd_split_window_exec(struct cmd *, struct cmd_q *);
 
 const struct cmd_entry cmd_split_window_entry = {
 	"split-window", "splitw",
-	"c:dF:l:hp:Pt:v", 0, 1,
+	"c:dF:l:hp:Pt:v", 0, -1,
 	"[-dhvP] [-c start-directory] [-F format] [-p percentage|-l size] "
 	CMD_TARGET_PANE_USAGE " [command]",
 	0,
@@ -62,9 +62,9 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct window_pane	*wp, *new_wp = NULL;
 	struct environ		 env;
 	const char		*cmd, *path, *shell, *template;
-	char			*cause, *new_cause, *cp;
+	char		       **argv, *cause, *new_cause, *cp;
 	u_int			 hlimit;
-	int			 size, percentage, cwd, fd = -1;
+	int			 argc, size, percentage, cwd, fd = -1;
 	enum layout_type	 type;
 	struct layout_cell	*lc;
 	struct client		*c;
@@ -81,10 +81,19 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	environ_copy(&s->environ, &env);
 	server_fill_environ(s, &env);
 
-	if (args->argc == 0)
+	if (args->argc == 0) {
 		cmd = options_get_string(&s->options, "default-command");
-	else
-		cmd = args->argv[0];
+		if (cmd != NULL && *cmd != '\0') {
+			argc = 1;
+			argv = (char**)&cmd;
+		} else {
+			argc = 0;
+			argv = NULL;
+		}
+	} else {
+		argc = args->argc;
+		argv = args->argv;
+	}
 
 	if (args_has(args, 'c')) {
 		ft = format_create();
@@ -158,8 +167,8 @@ cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
 	if (envent != NULL)
 		path = envent->value;
 
-	if (window_pane_spawn(
-	    new_wp, cmd, path, shell, cwd, &env, s->tio, &cause) != 0)
+	if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, &env,
+	    s->tio, &cause) != 0)
 		goto error;
 	layout_assign_pane(lc, new_wp);