mirror of
https://github.com/tmux/tmux.git
synced 2025-09-02 05:21:10 +00:00
Merge branch 'obsd-master'
This commit is contained in:
Thomas Adam
281
cmd.c
281
cmd.c
@ -206,6 +206,10 @@ const struct cmd_entry *cmd_table[] = {
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NULL
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};
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static void cmd_clear_state(struct cmd_state *);
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static struct client *cmd_get_state_client(struct cmd_q *, int);
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static int cmd_set_state_flag(struct cmd *, struct cmd_q *, char);
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int
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cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
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{
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@ -387,6 +391,283 @@ usage:
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return (NULL);
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}
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static void
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cmd_clear_state(struct cmd_state *state)
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{
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state->c = NULL;
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state->tflag.s = NULL;
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state->tflag.wl = NULL;
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state->tflag.wp = NULL;
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state->tflag.idx = -1;
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state->sflag.s = NULL;
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state->sflag.wl = NULL;
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state->sflag.wp = NULL;
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state->sflag.idx = -1;
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}
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static struct client *
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cmd_get_state_client(struct cmd_q *cmdq, int quiet)
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{
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struct cmd *cmd = cmdq->cmd;
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struct args *args = cmd->args;
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switch (cmd->entry->flags & (CMD_CLIENT_C|CMD_CLIENT_T)) {
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case 0:
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return (cmd_find_client(cmdq, NULL, 1));
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case CMD_CLIENT_C:
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return (cmd_find_client(cmdq, args_get(args, 'c'), quiet));
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case CMD_CLIENT_T:
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return (cmd_find_client(cmdq, args_get(args, 't'), quiet));
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default:
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fatalx("both -t and -c for %s", cmd->entry->name);
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}
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}
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static int
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cmd_set_state_flag(struct cmd *cmd, struct cmd_q *cmdq, char c)
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{
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struct cmd_state *state = &cmdq->state;
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struct cmd_state_flag *statef = NULL;
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const char *flag;
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int flags = cmd->entry->flags, everything = 0;
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int allflags = 0, targetflags;
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struct session *s;
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struct window *w;
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struct winlink *wl;
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struct window_pane *wp;
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struct cmd_find_state *fs;
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/* Set up state for either -t or -s. */
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if (c == 't') {
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statef = &cmdq->state.tflag;
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allflags = CMD_ALL_T;
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} else if (c == 's') {
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statef = &cmdq->state.sflag;
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allflags = CMD_ALL_S;
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}
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/*
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* If the command wants something and no argument is present, use the
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* base command instead.
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*/
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flag = args_get(cmd->args, c);
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if (flag == NULL) {
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if ((flags & allflags) == 0)
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return (0); /* doesn't care about flag */
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cmd = cmdq->cmd;
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everything = 1;
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flag = args_get(cmd->args, c);
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}
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/*
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* If no flag and the current command is allowed to fail, just skip to
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* fill in as much we can, otherwise continue and fail later if needed.
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*/
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if (flag == NULL && (flags & CMD_CANFAIL))
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goto complete_everything;
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/* Fill in state using command (current or base) flags. */
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if (flags & CMD_PREFERUNATTACHED)
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targetflags = CMD_FIND_PREFER_UNATTACHED;
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else
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targetflags = 0;
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switch (cmd->entry->flags & allflags) {
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case 0:
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break;
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case CMD_SESSION_T|CMD_PANE_T:
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case CMD_SESSION_S|CMD_PANE_S:
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if (flag != NULL && flag[strcspn(flag, ":.")] != '\0') {
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fs = cmd_find_target(cmdq, flag, CMD_FIND_PANE,
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targetflags);
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if (fs == NULL)
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return (-1);
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statef->s = fs->s;
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statef->wl = fs->wl;
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statef->wp = fs->wp;
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} else {
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fs = cmd_find_target(cmdq, flag, CMD_FIND_SESSION,
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targetflags);
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if (fs == NULL)
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return (-1);
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statef->s = fs->s;
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if (flag == NULL) {
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statef->wl = statef->s->curw;
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statef->wp = statef->s->curw->window->active;
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} else {
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s = statef->s;
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if ((w = window_find_by_id_str(flag)) != NULL)
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wp = w->active;
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else {
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wp = window_pane_find_by_id_str(flag);
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if (wp != NULL)
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w = wp->window;
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}
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wl = winlink_find_by_window(&s->windows, w);
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if (wl != NULL) {
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statef->wl = wl;
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statef->wp = wp;
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}
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}
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}
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break;
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case CMD_MOVEW_R|CMD_INDEX_T:
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case CMD_MOVEW_R|CMD_INDEX_S:
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fs = cmd_find_target(cmdq, flag, CMD_FIND_SESSION, targetflags);
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if (fs != NULL)
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statef->s = fs->s;
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else {
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fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW,
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CMD_FIND_WINDOW_INDEX);
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if (fs == NULL)
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return (-1);
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statef->s = fs->s;
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statef->idx = fs->idx;
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}
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break;
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case CMD_SESSION_T:
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case CMD_SESSION_S:
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fs = cmd_find_target(cmdq, flag, CMD_FIND_SESSION, targetflags);
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if (fs == NULL)
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return (-1);
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statef->s = fs->s;
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break;
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case CMD_WINDOW_MARKED_T:
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case CMD_WINDOW_MARKED_S:
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targetflags |= CMD_FIND_DEFAULT_MARKED;
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/* FALLTHROUGH */
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case CMD_WINDOW_T:
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case CMD_WINDOW_S:
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fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW, targetflags);
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if (fs == NULL)
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return (-1);
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statef->s = fs->s;
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statef->wl = fs->wl;
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break;
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case CMD_PANE_MARKED_T:
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case CMD_PANE_MARKED_S:
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targetflags |= CMD_FIND_DEFAULT_MARKED;
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/* FALLTHROUGH */
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case CMD_PANE_T:
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case CMD_PANE_S:
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fs = cmd_find_target(cmdq, flag, CMD_FIND_PANE, targetflags);
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if (fs == NULL)
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return (-1);
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statef->s = fs->s;
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statef->wl = fs->wl;
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statef->wp = fs->wp;
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break;
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case CMD_INDEX_T:
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case CMD_INDEX_S:
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fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW,
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CMD_FIND_WINDOW_INDEX);
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if (fs == NULL)
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return (-1);
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statef->s = fs->s;
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statef->idx = fs->idx;
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break;
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default:
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fatalx("too many -%c for %s", c, cmd->entry->name);
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}
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/*
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* If this is still the current command, it wants what it asked for and
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* nothing more. If it's the base command, fill in as much as possible
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* because the current command may have different flags.
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*/
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if (!everything)
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return (0);
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complete_everything:
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if (statef->s == NULL) {
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if (state->c != NULL)
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statef->s = state->c->session;
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if (statef->s == NULL) {
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fs = cmd_find_target(cmdq, NULL, CMD_FIND_SESSION,
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CMD_FIND_QUIET);
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if (fs != NULL)
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statef->s = fs->s;
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}
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if (statef->s == NULL) {
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if (flags & CMD_CANFAIL)
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return (0);
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cmdq_error(cmdq, "no current session");
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return (-1);
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}
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}
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if (statef->wl == NULL) {
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fs = cmd_find_target(cmdq, flag, CMD_FIND_WINDOW, 0);
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if (fs != NULL) {
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statef->s = fs->s;
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statef->wl = fs->wl;
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}
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}
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if (statef->wp == NULL) {
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fs = cmd_find_target(cmdq, flag, CMD_FIND_PANE, 0);
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if (fs != NULL) {
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statef->s = fs->s;
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statef->wl = fs->wl;
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statef->wp = fs->wp;
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}
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}
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return (0);
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}
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int
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cmd_prepare_state(struct cmd *cmd, struct cmd_q *cmdq)
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{
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struct cmd_state *state = &cmdq->state;
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struct args *args = cmd->args;
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const char *cflag, *tflag;
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char *tmp;
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int error;
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tmp = cmd_print(cmd);
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log_debug("preparing state for: %s (client %p)", tmp, cmdq->client);
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free(tmp);
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/* Start with an empty state. */
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cmd_clear_state(state);
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/*
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* If the command wants a client and provides -c or -t, use it. If not,
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* try the base command instead via cmd_get_state_client. No client is
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* allowed if no flags, otherwise it must be available.
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*/
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switch (cmd->entry->flags & (CMD_CLIENT_C|CMD_CLIENT_T)) {
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case 0:
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state->c = cmd_get_state_client(cmdq, 1);
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break;
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case CMD_CLIENT_C:
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cflag = args_get(args, 'c');
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if (cflag == NULL)
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state->c = cmd_get_state_client(cmdq, 0);
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else
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state->c = cmd_find_client(cmdq, cflag, 0);
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if (state->c == NULL)
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return (-1);
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break;
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case CMD_CLIENT_T:
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tflag = args_get(args, 't');
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if (tflag == NULL)
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state->c = cmd_get_state_client(cmdq, 0);
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else
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state->c = cmd_find_client(cmdq, tflag, 0);
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if (state->c == NULL)
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return (-1);
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break;
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default:
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fatalx("both -c and -t for %s", cmd->entry->name);
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}
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error = cmd_set_state_flag(cmd, cmdq, 't');
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if (error == 0)
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error = cmd_set_state_flag(cmd, cmdq, 's');
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return (error);
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}
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char *
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cmd_print(struct cmd *cmd)
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{
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