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Annotation of src/usr.bin/tmux/cmd-unlink-window.c, Revision 1.7

1.7     ! nicm        1: /* $OpenBSD: cmd-unlink-window.c,v 1.6 2009/09/20 17:31:26 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
                     21: #include "tmux.h"
                     22:
                     23: /*
                     24:  * Unlink a window, unless it would be destroyed by doing so (only one link).
                     25:  */
                     26:
                     27: int    cmd_unlink_window_exec(struct cmd *, struct cmd_ctx *);
                     28:
                     29: const struct cmd_entry cmd_unlink_window_entry = {
                     30:        "unlink-window", "unlinkw",
1.3       nicm       31:        "[-k] " CMD_TARGET_WINDOW_USAGE,
                     32:        0, CMD_CHFLAG('k'),
1.1       nicm       33:        cmd_target_init,
                     34:        cmd_target_parse,
                     35:        cmd_unlink_window_exec,
                     36:        cmd_target_free,
                     37:        cmd_target_print
                     38: };
                     39:
                     40: int
                     41: cmd_unlink_window_exec(struct cmd *self, struct cmd_ctx *ctx)
                     42: {
                     43:        struct cmd_target_data  *data = self->data;
                     44:        struct winlink          *wl;
1.7     ! nicm       45:        struct window           *w;
        !            46:        struct session          *s, *s2;
        !            47:        struct session_group    *sg;
        !            48:        u_int                    references;
1.1       nicm       49:
                     50:        if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL)
                     51:                return (-1);
1.7     ! nicm       52:        w = wl->window;
1.1       nicm       53:
1.7     ! nicm       54:        sg = session_group_find(s);
        !            55:        if (sg != NULL) {
        !            56:                references = 0;
        !            57:                TAILQ_FOREACH(s2, &sg->sessions, gentry)
        !            58:                        references++;
        !            59:        } else
        !            60:                references = 1;
        !            61:
        !            62:        if (!(data->chflags & CMD_CHFLAG('k')) && w->references == references) {
1.1       nicm       63:                ctx->error(ctx, "window is only linked to one session");
                     64:                return (-1);
                     65:        }
1.7     ! nicm       66:
1.5       nicm       67:        server_unlink_window(s, wl);
1.1       nicm       68:        recalculate_sizes();
                     69:
                     70:        return (0);
                     71: }