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https://github.com/tmux/tmux.git
synced 2025-09-03 06:17:04 +00:00
Big reorganisation of command-line syntax.
This commit is contained in:
Nicholas Marriott
@ -1,4 +1,4 @@
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/* $Id: cmd-link-window.c,v 1.18 2008-06-05 17:12:10 nicm Exp $ */
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/* $Id: cmd-link-window.c,v 1.19 2008-06-05 21:25:00 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -27,239 +27,83 @@
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* Link a window into another session.
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*/
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int cmd_link_window_parse(struct cmd *, int, char **, char **);
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void cmd_link_window_exec(struct cmd *, struct cmd_ctx *);
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void cmd_link_window_send(struct cmd *, struct buffer *);
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void cmd_link_window_recv(struct cmd *, struct buffer *);
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void cmd_link_window_free(struct cmd *);
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void cmd_link_window_print(struct cmd *, char *, size_t);
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struct cmd_link_window_data {
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char *cname;
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char *sname;
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int idx;
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int flag_detached;
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int flag_kill;
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int srcidx;
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char *srcname;
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};
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const struct cmd_entry cmd_link_window_entry = {
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"link-window", "linkw",
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"[-dk] [-c client-tty|-s session-name] [-i index] session-name index",
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0,
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cmd_link_window_parse,
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"[-dk] " CMD_SRCDST_WINDOW_USAGE,
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CMD_DFLAG|CMD_KFLAG,
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cmd_srcdst_init,
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cmd_srcdst_parse,
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cmd_link_window_exec,
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cmd_link_window_send,
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cmd_link_window_recv,
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cmd_link_window_free,
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NULL,
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cmd_link_window_print
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cmd_srcdst_send,
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cmd_srcdst_recv,
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cmd_srcdst_free,
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cmd_srcdst_print
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};
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int
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cmd_link_window_parse(struct cmd *self, int argc, char **argv, char **cause)
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{
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struct cmd_link_window_data *data;
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const char *errstr;
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int opt;
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self->data = data = xmalloc(sizeof *data);
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data->cname = NULL;
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data->sname = NULL;
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data->flag_detached = 0;
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data->flag_kill = 0;
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data->idx = -1;
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data->srcidx = -1;
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data->srcname = NULL;
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while ((opt = getopt(argc, argv, "c:di:ks:")) != EOF) {
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switch (opt) {
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case 'c':
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if (data->sname != NULL)
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goto usage;
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if (data->cname == NULL)
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data->cname = xstrdup(optarg);
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break;
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case 'd':
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data->flag_detached = 1;
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break;
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case 'i':
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data->idx = strtonum(optarg, 0, INT_MAX, &errstr);
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if (errstr != NULL) {
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xasprintf(cause, "index %s", errstr);
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goto error;
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}
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break;
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case 'k':
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data->flag_kill = 1;
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break;
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case 's':
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if (data->cname != NULL)
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goto usage;
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if (data->sname == NULL)
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data->sname = xstrdup(optarg);
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break;
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default:
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goto usage;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 2)
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goto usage;
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data->srcname = xstrdup(argv[0]);
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data->srcidx = strtonum(argv[1], 0, INT_MAX, &errstr);
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if (errstr != NULL) {
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xasprintf(cause, "index %s", errstr);
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goto error;
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}
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return (0);
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usage:
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xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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error:
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self->entry->free(self);
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return (-1);
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}
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void
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cmd_link_window_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_link_window_data *data = self->data;
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struct session *s, *src;
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struct winlink *wl, *wl2;
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struct cmd_srcdst_data *data = self->data;
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struct session *s;
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struct winlink *wl_src, *wl_dst;
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int idx;
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if (data == NULL)
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if ((wl_src = cmd_find_window(ctx, data->src, NULL)) == NULL)
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return;
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if ((s = cmd_find_session(ctx, data->cname, data->sname)) == NULL)
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if (arg_parse_window(data->dst, &s, &idx) != 0) {
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ctx->error(ctx, "bad window: %s", data->dst);
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return;
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if ((src = session_find(data->srcname)) == NULL) {
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ctx->error(ctx, "session not found: %s", data->srcname);
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}
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if (s == NULL)
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s = ctx->cursession;
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if (s == NULL)
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s = cmd_current_session(ctx);
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if (s == NULL) {
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ctx->error(ctx, "session not found: %s", data->dst);
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return;
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}
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if (data->srcidx < 0)
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data->srcidx = -1;
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if (data->srcidx == -1)
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wl = src->curw;
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else {
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wl = winlink_find_by_index(&src->windows, data->srcidx);
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if (wl == NULL) {
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ctx->error(ctx, "no window %d", data->srcidx);
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return;
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if (data->flags & CMD_KFLAG) {
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wl_dst = winlink_find_by_index(&s->windows, idx);
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if (wl_dst != NULL) {
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/*
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* Can't use session_detach as it will destroy session
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* if this makes it empty.
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*/
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session_alert_cancel(s, wl_dst);
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winlink_remove(&s->windows, wl_dst);
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/* Force select/redraw if current. */
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if (wl_dst == s->curw) {
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data->flags &= ~CMD_DFLAG;
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s->curw = NULL;
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}
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if (wl_dst == s->lastw)
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s->lastw = NULL;
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/*
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* Can't error out after this or there could be an empty
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* session!
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*/
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}
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}
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if (data->idx < 0)
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data->idx = -1;
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if (data->flag_kill && data->idx != -1) {
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wl2 = winlink_find_by_index(&s->windows, data->idx);
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if (wl2 == NULL) {
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ctx->error(ctx, "no window %d", data->idx);
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return;
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}
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/*
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* Can't use session_detach as it will destroy session if this
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* makes it empty.
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*/
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session_alert_cancel(s, wl2);
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winlink_remove(&s->windows, wl2);
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/* Force select/redraw if current. */
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if (wl2 == s->curw) {
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data->flag_detached = 0;
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s->curw = NULL;
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}
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if (wl2 == s->lastw)
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s->lastw = NULL;
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/*
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* Can't error out after this or there could be an empty
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* session!
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*/
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}
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wl = session_attach(s, wl->window, data->idx);
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if (wl == NULL) {
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ctx->error(ctx, "index in use: %d", data->idx);
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wl_dst = session_attach(s, wl_src->window, idx);
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if (wl_dst == NULL) {
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ctx->error(ctx, "index in use: %d", idx);
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return;
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}
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if (!data->flag_detached) {
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session_select(s, wl->idx);
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server_redraw_session(s);
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} else
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if (data->flags & CMD_DFLAG)
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server_status_session(s);
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else {
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session_select(s, wl_dst->idx);
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server_redraw_session(s);
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}
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if (ctx->cmdclient != NULL)
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server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
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}
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void
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cmd_link_window_send(struct cmd *self, struct buffer *b)
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{
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struct cmd_link_window_data *data = self->data;
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buffer_write(b, data, sizeof *data);
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cmd_send_string(b, data->cname);
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cmd_send_string(b, data->sname);
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cmd_send_string(b, data->srcname);
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}
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void
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cmd_link_window_recv(struct cmd *self, struct buffer *b)
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{
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struct cmd_link_window_data *data;
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self->data = data = xmalloc(sizeof *data);
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buffer_read(b, data, sizeof *data);
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data->cname = cmd_recv_string(b);
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data->sname = cmd_recv_string(b);
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data->srcname = cmd_recv_string(b);
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}
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void
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cmd_link_window_free(struct cmd *self)
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{
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struct cmd_link_window_data *data = self->data;
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if (data->cname != NULL)
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xfree(data->cname);
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if (data->sname != NULL)
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xfree(data->sname);
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if (data->srcname != NULL)
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xfree(data->srcname);
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xfree(data);
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}
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void
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cmd_link_window_print(struct cmd *self, char *buf, size_t len)
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{
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struct cmd_link_window_data *data = self->data;
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size_t off = 0;
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off += xsnprintf(buf, len, "%s", self->entry->name);
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if (data == NULL)
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return;
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if (off < len && data->flag_detached)
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off += xsnprintf(buf + off, len - off, " -d");
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if (off < len && data->flag_kill)
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off += xsnprintf(buf + off, len - off, " -k");
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if (off < len && data->cname != NULL)
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off += xsnprintf(buf + off, len - off, " -c %s", data->cname);
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if (off < len && data->sname != NULL)
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off += xsnprintf(buf + off, len - off, " -s %s", data->sname);
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if (off < len && data->idx != -1)
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off += xsnprintf(buf + off, len - off, " -i %d", data->idx);
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if (off < len && data->srcname != NULL)
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off += xsnprintf(buf + off, len - off, " %s", data->srcname);
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if (off < len && data->srcidx != -1)
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off += xsnprintf(buf + off, len - off, " %d", data->srcidx);
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}
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