Merge branch 'obsd-master'

7 files changed, 91 insertions, 143 deletions

diff --git a/cmd-display-message.c b/cmd-display-message.c
index 201f8b75..ddc55846 100644
--- a/cmd-display-message.c
+++ b/cmd-display-message.c
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_display_message_entry = {
 	"c:pt:F:", 0, 1,
 	"[-p] [-c target-client] [-F format] " CMD_TARGET_PANE_USAGE
 	" [message]",
-	CMD_CLIENT_C|CMD_PANE_T,
+	CMD_CLIENT_C|CMD_PANE_T|CMD_CLIENT_CANFAIL,
 	cmd_display_message_exec
 };
 
diff --git a/cmd-find.c b/cmd-find.c
index 30c433b6..4c08147d 100644
--- a/cmd-find.c
+++ b/cmd-find.c
@@ -466,11 +466,10 @@ cmd_find_get_window(struct cmd_find_state *fs, const char *window)
 
 	/* Otherwise try as a session itself. */
 	if (cmd_find_get_session(fs, window) == 0) {
-		if (~fs->flags & CMD_FIND_WINDOW_INDEX) {
-			fs->wl = fs->s->curw;
-			fs->w = fs->wl->window;
+		fs->wl = fs->s->curw;
+		fs->w = fs->wl->window;
+		if (~fs->flags & CMD_FIND_WINDOW_INDEX)
 			fs->idx = fs->wl->idx;
-		}
 		return (0);
 	}
 
@@ -492,6 +491,13 @@ cmd_find_get_window_with_session(struct cmd_find_state *fs, const char *window)
 	log_debug("%s: %s", __func__, window);
 	exact = (fs->flags & CMD_FIND_EXACT_WINDOW);
 
+	/*
+	 * Start with the current window as the default. So if only an index is
+	 * found, the window will be the current.
+	 */
+	fs->wl = fs->s->curw;
+	fs->w = fs->wl->window;
+
 	/* Check for window ids starting with @. */
 	if (*window == '@') {
 		fs->w = window_find_by_id_str(window);
@@ -975,8 +981,7 @@ cmd_find_target(struct cmd_find_state *fs, struct cmd_q *cmdq,
 			/* This will fill in winlink and window. */
 			if (cmd_find_get_window_with_session(fs, window) != 0)
 				goto no_window;
-			if (~flags & CMD_FIND_WINDOW_INDEX)
-				fs->wp = fs->wl->window->active;
+			fs->wp = fs->wl->window->active;
 			goto found;
 		}
 
@@ -1016,8 +1021,7 @@ cmd_find_target(struct cmd_find_state *fs, struct cmd_q *cmdq,
 		/* This will fill in session, winlink and window. */
 		if (cmd_find_get_window(fs, window) != 0)
 			goto no_window;
-		if (~flags & CMD_FIND_WINDOW_INDEX)
-			fs->wp = fs->wl->window->active;
+		fs->wp = fs->wl->window->active;
 		goto found;
 	}
 
diff --git a/cmd-new-window.c b/cmd-new-window.c
index 8154bdfb..18d2952b 100644
--- a/cmd-new-window.c
+++ b/cmd-new-window.c
@@ -39,12 +39,7 @@ const struct cmd_entry cmd_new_window_entry = {
 	"ac:dF:kn:Pt:", 0, -1,
 	"[-adkP] [-c start-directory] [-F format] [-n window-name] "
 	CMD_TARGET_WINDOW_USAGE " [command]",
-	/*
-	 * Using PREP_CANFAIL here ensures that the wl is filled in
-	 * regardless; making PREP_INDEX the thing we want -t to be used for
-	 * in the specific case.
-	 */
-	CMD_INDEX_T|CMD_CANFAIL,
+	CMD_INDEX_T,
 	cmd_new_window_exec
 };
 
diff --git a/cmd-show-environment.c b/cmd-show-environment.c
index 8feb2e22..723d3039 100644
--- a/cmd-show-environment.c
+++ b/cmd-show-environment.c
@@ -37,7 +37,7 @@ const struct cmd_entry cmd_show_environment_entry = {
 	"show-environment", "showenv",
 	"gst:", 0, 1,
 	"[-gs] " CMD_TARGET_SESSION_USAGE " [name]",
-	CMD_SESSION_T,
+	CMD_SESSION_T|CMD_CANFAIL,
 	cmd_show_environment_exec
 };
 
diff --git a/cmd-show-options.c b/cmd-show-options.c
index 5437ec73..3b39a532 100644
--- a/cmd-show-options.c
+++ b/cmd-show-options.c
@@ -38,7 +38,7 @@ const struct cmd_entry cmd_show_options_entry = {
 	"show-options", "show",
 	"gqst:vw", 0, 1,
 	"[-gqsvw] [-t target-session|target-window] [option]",
-	CMD_WINDOW_T,
+	CMD_WINDOW_T|CMD_CANFAIL,
 	cmd_show_options_exec
 };
 
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_show_window_options_entry = {
 	"show-window-options", "showw",
 	"gvt:", 0, 1,
 	"[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
-	CMD_WINDOW_T,
+	CMD_WINDOW_T|CMD_CANFAIL,
 	cmd_show_options_exec
 };
 
diff --git a/cmd.c b/cmd.c
index 6aaddcf0..39834c5a 100644
--- a/cmd.c
+++ b/cmd.c
@@ -206,9 +206,8 @@ const struct cmd_entry *cmd_table[] = {
 	NULL
 };
 
-static void		 cmd_clear_state(struct cmd_state *);
-static struct client	*cmd_get_state_client(struct cmd_q *, int);
-static int		 cmd_set_state_flag(struct cmd *, struct cmd_q *, char);
+static void	cmd_clear_state(struct cmd_state *);
+static int	cmd_set_state_flag(struct cmd *, struct cmd_q *, char);
 
 int
 cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
@@ -407,29 +406,11 @@ cmd_clear_state(struct cmd_state *state)
 	state->sflag.idx = -1;
 }
 
-static struct client *
-cmd_get_state_client(struct cmd_q *cmdq, int quiet)
-{
-	struct cmd	*cmd = cmdq->cmd;
-	struct args	*args = cmd->args;
-
-	switch (cmd->entry->flags & (CMD_CLIENT_C|CMD_CLIENT_T)) {
-	case 0:
-		return (cmd_find_client(cmdq, NULL, 1));
-	case CMD_CLIENT_C:
-		return (cmd_find_client(cmdq, args_get(args, 'c'), quiet));
-	case CMD_CLIENT_T:
-		return (cmd_find_client(cmdq, args_get(args, 't'), quiet));
-	default:
-		fatalx("both -t and -c for %s", cmd->entry->name);
-	}
-}
-
 static int
 cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 {
 	struct cmd_state	*state = &cmdq->state;
-	struct cmd_state_flag	*statef = NULL;
+	struct cmd_find_state	*fsf = NULL;
 	const char		*flag;
 	int			 flags = cmd->entry->flags, everything = 0;
 	int			 allflags = 0, targetflags, error;
@@ -437,14 +418,13 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 	struct window		*w;
 	struct winlink		*wl;
 	struct window_pane	*wp;
-	struct cmd_find_state	 fs;
 
 	/* Set up state for either -t or -s. */
 	if (c == 't') {
-		statef = &cmdq->state.tflag;
+		fsf = &cmdq->state.tflag;
 		allflags = CMD_ALL_T;
 	} else if (c == 's') {
-		statef = &cmdq->state.sflag;
+		fsf = &cmdq->state.sflag;
 		allflags = CMD_ALL_S;
 	}
 
@@ -479,25 +459,21 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 	case CMD_SESSION_T|CMD_PANE_T:
 	case CMD_SESSION_S|CMD_PANE_S:
 		if (flag != NULL && flag[strcspn(flag, ":.")] != '\0') {
-			error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_PANE,
+			error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_PANE,
 			    targetflags);
 			if (error != 0)
 				return (-1);
-			statef->s = fs.s;
-			statef->wl = fs.wl;
-			statef->wp = fs.wp;
 		} else {
-			error = cmd_find_target(&fs, cmdq, flag,
+			error = cmd_find_target(fsf, cmdq, flag,
 			    CMD_FIND_SESSION, targetflags);
 			if (error != 0)
 				return (-1);
-			statef->s = fs.s;
 
 			if (flag == NULL) {
-				statef->wl = statef->s->curw;
-				statef->wp = statef->s->curw->window->active;
+				fsf->wl = fsf->s->curw;
+				fsf->wp = fsf->s->curw->window->active;
 			} else {
-				s = statef->s;
+				s = fsf->s;
 				if ((w = window_find_by_id_str(flag)) != NULL)
 					wp = w->active;
 				else {
@@ -507,34 +483,29 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 				}
 				wl = winlink_find_by_window(&s->windows, w);
 				if (wl != NULL) {
-					statef->wl = wl;
-					statef->wp = wp;
+					fsf->wl = wl;
+					fsf->wp = wp;
 				}
 			}
 		}
 		break;
 	case CMD_MOVEW_R|CMD_INDEX_T:
 	case CMD_MOVEW_R|CMD_INDEX_S:
-		error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_SESSION,
-		    targetflags);
-		if (error == 0)
-			statef->s = fs.s;
-		else {
-			error = cmd_find_target(&fs, cmdq, flag,
+		error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_SESSION,
+		    targetflags|CMD_FIND_QUIET);
+		if (error != 0) {
+			error = cmd_find_target(fsf, cmdq, flag,
 			    CMD_FIND_WINDOW, CMD_FIND_WINDOW_INDEX);
 			if (error != 0)
 				return (-1);
-			statef->s = fs.s;
-			statef->idx = fs.idx;
 		}
 		break;
 	case CMD_SESSION_T:
 	case CMD_SESSION_S:
-		error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_SESSION,
+		error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_SESSION,
 		    targetflags);
 		if (error != 0)
 			return (-1);
-		statef->s = fs.s;
 		break;
 	case CMD_WINDOW_MARKED_T:
 	case CMD_WINDOW_MARKED_S:
@@ -542,12 +513,10 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 		/* FALLTHROUGH */
 	case CMD_WINDOW_T:
 	case CMD_WINDOW_S:
-		error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_WINDOW,
+		error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_WINDOW,
 		    targetflags);
 		if (error != 0)
 			return (-1);
-		statef->s = fs.s;
-		statef->wl = fs.wl;
 		break;
 	case CMD_PANE_MARKED_T:
 	case CMD_PANE_MARKED_S:
@@ -555,22 +524,17 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 		/* FALLTHROUGH */
 	case CMD_PANE_T:
 	case CMD_PANE_S:
-		error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_PANE,
+		error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_PANE,
 		    targetflags);
 		if (error != 0)
 			return (-1);
-		statef->s = fs.s;
-		statef->wl = fs.wl;
-		statef->wp = fs.wp;
 		break;
 	case CMD_INDEX_T:
 	case CMD_INDEX_S:
-		error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_WINDOW,
+		error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_WINDOW,
 		    CMD_FIND_WINDOW_INDEX);
 		if (error != 0)
 			return (-1);
-		statef->s = fs.s;
-		statef->idx = fs.idx;
 		break;
 	default:
 		fatalx("too many -%c for %s", c, cmd->entry->name);
@@ -585,36 +549,31 @@ cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
 		return (0);
 
 complete_everything:
-	if (statef->s == NULL) {
+	if (fsf->s == NULL) {
 		if (state->c != NULL)
-			statef->s = state->c->session;
-		if (statef->s == NULL) {
-			error = cmd_find_target(&fs, cmdq, NULL,
+			fsf->s = state->c->session;
+		if (fsf->s == NULL) {
+			error = cmd_find_target(fsf, cmdq, NULL,
 			    CMD_FIND_SESSION, CMD_FIND_QUIET);
-			if (error == 0)
-				statef->s = fs.s;
+			if (error != 0)
+				fsf->s = NULL;
 		}
-		if (statef->s == NULL) {
+		if (fsf->s == NULL) {
 			if (flags & CMD_CANFAIL)
 				return (0);
 			cmdq_error(cmdq, "no current session");
 			return (-1);
 		}
 	}
-	if (statef->wl == NULL) {
-		error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_WINDOW, 0);
-		if (error != 0) {
-			statef->s = fs.s;
-			statef->wl = fs.wl;
-		}
+	if (fsf->wl == NULL) {
+		error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_WINDOW, 0);
+		if (error != 0)
+			return (-1);
 	}
-	if (statef->wp == NULL) {
-		error = cmd_find_target(&fs, cmdq, flag, CMD_FIND_PANE, 0);
-		if (error != 0) {
-			statef->s = fs.s;
-			statef->wl = fs.wl;
-			statef->wp = fs.wp;
-		}
+	if (fsf->wp == NULL) {
+		error = cmd_find_target(fsf, cmdq, flag, CMD_FIND_PANE, 0);
+		if (error != 0)
+			return (-1);
 	}
 	return (0);
 }
@@ -624,9 +583,8 @@ cmd_prepare_state(struct cmd *cmd, struct cmd_q *cmdq)
 {
 	struct cmd_state	*state = &cmdq->state;
 	struct args		*args = cmd->args;
-	const char		*cflag, *tflag;
 	char			*tmp;
-	int			 error;
+	int			 error, quiet;
 
 	tmp = cmd_print(cmd);
 	log_debug("preparing state for: %s (client %p)", tmp, cmdq->client);
@@ -635,6 +593,11 @@ cmd_prepare_state(struct cmd *cmd, struct cmd_q *cmdq)
 	/* Start with an empty state. */
 	cmd_clear_state(state);
 
+	/* No error messages if can fail. */
+	quiet = 0;
+	if (cmd->entry->flags & CMD_CLIENT_CANFAIL)
+		quiet = 1;
+
 	/*
 	 * If the command wants a client and provides -c or -t, use it. If not,
 	 * try the base command instead via cmd_get_state_client. No client is
@@ -642,24 +605,16 @@ cmd_prepare_state(struct cmd *cmd, struct cmd_q *cmdq)
 	 */
 	switch (cmd->entry->flags & (CMD_CLIENT_C|CMD_CLIENT_T)) {
 	case 0:
-		state->c = cmd_get_state_client(cmdq, 1);
+		state->c = cmd_find_client(cmdq, NULL, 1);
 		break;
 	case CMD_CLIENT_C:
-		cflag = args_get(args, 'c');
-		if (cflag == NULL)
-			state->c = cmd_get_state_client(cmdq, 0);
-		else
-			state->c = cmd_find_client(cmdq, cflag, 0);
-		if (state->c == NULL)
+		state->c = cmd_find_client(cmdq, args_get(args, 'c'), quiet);
+		if (!quiet && state->c == NULL)
 			return (-1);
 		break;
 	case CMD_CLIENT_T:
-		tflag = args_get(args, 't');
-		if (tflag == NULL)
-			state->c = cmd_get_state_client(cmdq, 0);
-		else
-			state->c = cmd_find_client(cmdq, tflag, 0);
-		if (state->c == NULL)
+		state->c = cmd_find_client(cmdq, args_get(args, 't'), quiet);
+		if (!quiet && state->c == NULL)
 			return (-1);
 		break;
 	default:
diff --git a/tmux.h b/tmux.h
index 113a53b8..cda3da2a 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1295,18 +1295,37 @@ struct args {
 	char			**argv;
 };
 
-/* Context for a command about to be executed. */
-struct cmd_state_flag {
-	struct session		*s;
-	struct winlink		*wl;
-	struct window_pane	*wp;
-	int			 idx;
+/* Command find structures. */
+enum cmd_find_type {
+	CMD_FIND_PANE,
+	CMD_FIND_WINDOW,
+	CMD_FIND_SESSION,
+};
+struct cmd_find_state {
+	struct cmd_q		*cmdq;
+	int			 flags;
+	struct cmd_find_state	*current;
 
+	struct session          *s;
+	struct winlink          *wl;
+	struct window		*w;
+	struct window_pane      *wp;
+	int			 idx;
 };
+
+/* Command find flags. */
+#define CMD_FIND_PREFER_UNATTACHED 0x1
+#define CMD_FIND_QUIET 0x2
+#define CMD_FIND_WINDOW_INDEX 0x4
+#define CMD_FIND_DEFAULT_MARKED 0x8
+#define CMD_FIND_EXACT_SESSION 0x10
+#define CMD_FIND_EXACT_WINDOW 0x20
+
+/* Context for command being executed. */
 struct cmd_state {
 	struct client		*c;
-	struct cmd_state_flag	 tflag;
-	struct cmd_state_flag	 sflag;
+	struct cmd_find_state	 tflag;
+	struct cmd_find_state	 sflag;
 };
 
 /* Command and list of commands. */
@@ -1400,6 +1419,7 @@ struct cmd_entry {
 #define CMD_PANE_MARKED_T 0x10000
 #define CMD_WINDOW_MARKED_T 0x20000
 #define CMD_WINDOW_MARKED_S 0x40000
+#define CMD_CLIENT_CANFAIL 0x80000
 	int		 flags;
 
 	enum cmd_retval	 (*exec)(struct cmd *, struct cmd_q *);
@@ -1409,32 +1429,6 @@ struct cmd_entry {
 #define CMD_ALL_S (CMD_SESSION_S|CMD_WINDOW_S|CMD_PANE_S|CMD_INDEX_S| \
     CMD_PANE_MARKED_S|CMD_WINDOW_MARKED_S)
 
-/* Command find structures. */
-enum cmd_find_type {
-	CMD_FIND_PANE,
-	CMD_FIND_WINDOW,
-	CMD_FIND_SESSION,
-};
-struct cmd_find_state {
-	struct cmd_q		*cmdq;
-	int			 flags;
-	struct cmd_find_state	*current;
-
-	struct session          *s;
-	struct winlink          *wl;
-	struct window		*w;
-	struct window_pane      *wp;
-	int			 idx;
-};
-
-/* Command fine flags. */
-#define CMD_FIND_PREFER_UNATTACHED 0x1
-#define CMD_FIND_QUIET 0x2
-#define CMD_FIND_WINDOW_INDEX 0x4
-#define CMD_FIND_DEFAULT_MARKED 0x8
-#define CMD_FIND_EXACT_SESSION 0x10
-#define CMD_FIND_EXACT_WINDOW 0x20
-
 /* Key binding and key table. */
 struct key_binding {
 	key_code		 key;