ztmux 3.7.3

A Rust port of tmux — the full terminal multiplexer, server and client
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

// Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
// IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
// OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use crate::*;

pub static CMD_SET_BUFFER_ENTRY: cmd_entry = cmd_entry {
    name: "set-buffer",
    alias: Some("setb"),

    args: args_parse::new("ab:t:n:w", 0, 1, None),
    usage: "[-aw] [-b buffer-name] [-n new-buffer-name] [-t target-client] data",

    flags: cmd_flag::CMD_AFTERHOOK
        .union(cmd_flag::CMD_CLIENT_TFLAG)
        .union(cmd_flag::CMD_CLIENT_CANFAIL),
    exec: cmd_set_buffer_exec,
    source: cmd_entry_flag::zeroed(),
    target: cmd_entry_flag::zeroed(),
};

pub static CMD_DELETE_BUFFER_ENTRY: cmd_entry = cmd_entry {
    name: "delete-buffer",
    alias: Some("deleteb"),

    args: args_parse::new("b:", 0, 0, None),
    usage: "[-b buffer-name]",

    flags: cmd_flag::CMD_AFTERHOOK,
    exec: cmd_set_buffer_exec,
    source: cmd_entry_flag::zeroed(),
    target: cmd_entry_flag::zeroed(),
};

/// C `vendor/tmux/cmd-set-buffer.c:56`: `static enum cmd_retval cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)`
unsafe fn cmd_set_buffer_exec(self_: *mut cmd, item: *mut cmdq_item) -> cmd_retval {
    unsafe {
        let args = cmd_get_args(self_);
        let tc = cmdq_get_target_client(item);
        let mut pb;
        let mut cause = null_mut();
        let olddata;

        let mut bufname = cstr_to_str_(args_get_(args, 'b'));
        if bufname.is_none() {
            pb = null_mut();
        } else {
            pb = paste_get_name(bufname);
        }

        if std::ptr::eq(cmd_get_entry(self_), &CMD_DELETE_BUFFER_ENTRY) {
            if pb.is_null() {
                if let Some(bufname) = bufname {
                    cmdq_error!(item, "unknown buffer: {}", bufname);
                    return cmd_retval::CMD_RETURN_ERROR;
                }
                pb = paste_get_top(&raw mut bufname);
            }
            if pb.is_null() {
                cmdq_error!(item, "no buffer");
                return cmd_retval::CMD_RETURN_ERROR;
            }
            paste_free(NonNull::new_unchecked(pb));
            return cmd_retval::CMD_RETURN_NORMAL;
        }

        if args_has(args, 'n') {
            if pb.is_null() {
                if let Some(bufname) = bufname {
                    cmdq_error!(item, "unknown buffer: {}", bufname);
                    return cmd_retval::CMD_RETURN_ERROR;
                }
                pb = paste_get_top(&raw mut bufname);
            }
            if pb.is_null() {
                cmdq_error!(item, "no buffer");
                return cmd_retval::CMD_RETURN_ERROR;
            }
            if paste_rename(bufname, cstr_to_str_(args_get_(args, 'n')), &raw mut cause) != 0 {
                cmdq_error!(item, "{}", _s(cause));
                free_(cause);
                return cmd_retval::CMD_RETURN_ERROR;
            }
            return cmd_retval::CMD_RETURN_NORMAL;
        }

        if args_count(args) != 1 {
            cmdq_error!(item, "no data specified");
            return cmd_retval::CMD_RETURN_ERROR;
        }
        let newsize = strlen(args_string(args, 0));
        if newsize == 0 {
            return cmd_retval::CMD_RETURN_NORMAL;
        }

        let mut bufsize = 0;
        let mut bufdata = null_mut();

        if let Some(pb_non_null) = NonNull::new(pb)
            && args_has(args, 'a')
        {
            olddata = paste_buffer_data_(pb_non_null, &mut bufsize);
            bufdata = xmalloc(bufsize).as_ptr().cast();
            memcpy_(bufdata, olddata, bufsize);
        }

        bufdata = xrealloc_(bufdata, bufsize + newsize).as_ptr();
        memcpy_(bufdata.add(bufsize), args_string(args, 0), newsize);
        bufsize += newsize;

        if paste_set(bufdata, bufsize, bufname, &raw mut cause) != 0 {
            cmdq_error!(item, "{}", _s(cause));
            free_(bufdata);
            free_(cause);
            return cmd_retval::CMD_RETURN_ERROR;
        }
        if args_has(args, 'w') && !tc.is_null() {
            tty_set_selection(&raw mut (*tc).tty, c!(""), bufdata, bufsize);
        }

        cmd_retval::CMD_RETURN_NORMAL
    }
}