mirror of https://github.com/tmux/tmux.git
659 lines
17 KiB
C
659 lines
17 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/time.h>
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#include <fnmatch.h>
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#include <paths.h>
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#include <pwd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "tmux.h"
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extern const struct cmd_entry cmd_attach_session_entry;
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extern const struct cmd_entry cmd_bind_key_entry;
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extern const struct cmd_entry cmd_break_pane_entry;
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extern const struct cmd_entry cmd_capture_pane_entry;
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extern const struct cmd_entry cmd_choose_buffer_entry;
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extern const struct cmd_entry cmd_choose_client_entry;
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extern const struct cmd_entry cmd_choose_session_entry;
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extern const struct cmd_entry cmd_choose_tree_entry;
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extern const struct cmd_entry cmd_choose_window_entry;
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extern const struct cmd_entry cmd_clear_history_entry;
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extern const struct cmd_entry cmd_clock_mode_entry;
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extern const struct cmd_entry cmd_command_prompt_entry;
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extern const struct cmd_entry cmd_confirm_before_entry;
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extern const struct cmd_entry cmd_copy_mode_entry;
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extern const struct cmd_entry cmd_delete_buffer_entry;
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extern const struct cmd_entry cmd_detach_client_entry;
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extern const struct cmd_entry cmd_display_message_entry;
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extern const struct cmd_entry cmd_display_panes_entry;
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extern const struct cmd_entry cmd_down_pane_entry;
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extern const struct cmd_entry cmd_find_window_entry;
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extern const struct cmd_entry cmd_has_session_entry;
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extern const struct cmd_entry cmd_if_shell_entry;
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extern const struct cmd_entry cmd_join_pane_entry;
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extern const struct cmd_entry cmd_kill_pane_entry;
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extern const struct cmd_entry cmd_kill_server_entry;
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extern const struct cmd_entry cmd_kill_session_entry;
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extern const struct cmd_entry cmd_kill_window_entry;
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extern const struct cmd_entry cmd_last_pane_entry;
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extern const struct cmd_entry cmd_last_window_entry;
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extern const struct cmd_entry cmd_link_window_entry;
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extern const struct cmd_entry cmd_list_buffers_entry;
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extern const struct cmd_entry cmd_list_clients_entry;
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extern const struct cmd_entry cmd_list_commands_entry;
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extern const struct cmd_entry cmd_list_keys_entry;
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extern const struct cmd_entry cmd_list_panes_entry;
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extern const struct cmd_entry cmd_list_sessions_entry;
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extern const struct cmd_entry cmd_list_windows_entry;
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extern const struct cmd_entry cmd_load_buffer_entry;
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extern const struct cmd_entry cmd_lock_client_entry;
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extern const struct cmd_entry cmd_lock_server_entry;
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extern const struct cmd_entry cmd_lock_session_entry;
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extern const struct cmd_entry cmd_move_pane_entry;
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extern const struct cmd_entry cmd_move_window_entry;
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extern const struct cmd_entry cmd_new_session_entry;
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extern const struct cmd_entry cmd_new_window_entry;
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extern const struct cmd_entry cmd_next_layout_entry;
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extern const struct cmd_entry cmd_next_window_entry;
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extern const struct cmd_entry cmd_paste_buffer_entry;
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extern const struct cmd_entry cmd_pipe_pane_entry;
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extern const struct cmd_entry cmd_previous_layout_entry;
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extern const struct cmd_entry cmd_previous_window_entry;
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extern const struct cmd_entry cmd_refresh_client_entry;
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extern const struct cmd_entry cmd_rename_session_entry;
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extern const struct cmd_entry cmd_rename_window_entry;
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extern const struct cmd_entry cmd_resize_pane_entry;
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extern const struct cmd_entry cmd_respawn_pane_entry;
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extern const struct cmd_entry cmd_respawn_window_entry;
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extern const struct cmd_entry cmd_rotate_window_entry;
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extern const struct cmd_entry cmd_run_shell_entry;
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extern const struct cmd_entry cmd_save_buffer_entry;
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extern const struct cmd_entry cmd_select_layout_entry;
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extern const struct cmd_entry cmd_select_pane_entry;
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extern const struct cmd_entry cmd_select_window_entry;
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extern const struct cmd_entry cmd_send_keys_entry;
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extern const struct cmd_entry cmd_send_prefix_entry;
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extern const struct cmd_entry cmd_server_info_entry;
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extern const struct cmd_entry cmd_set_buffer_entry;
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extern const struct cmd_entry cmd_set_environment_entry;
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extern const struct cmd_entry cmd_set_hook_entry;
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extern const struct cmd_entry cmd_set_option_entry;
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extern const struct cmd_entry cmd_set_window_option_entry;
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extern const struct cmd_entry cmd_show_buffer_entry;
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extern const struct cmd_entry cmd_show_environment_entry;
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extern const struct cmd_entry cmd_show_hooks_entry;
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extern const struct cmd_entry cmd_show_messages_entry;
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extern const struct cmd_entry cmd_show_options_entry;
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extern const struct cmd_entry cmd_show_window_options_entry;
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extern const struct cmd_entry cmd_source_file_entry;
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extern const struct cmd_entry cmd_split_window_entry;
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extern const struct cmd_entry cmd_start_server_entry;
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extern const struct cmd_entry cmd_suspend_client_entry;
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extern const struct cmd_entry cmd_swap_pane_entry;
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extern const struct cmd_entry cmd_swap_window_entry;
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extern const struct cmd_entry cmd_switch_client_entry;
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extern const struct cmd_entry cmd_unbind_key_entry;
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extern const struct cmd_entry cmd_unlink_window_entry;
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extern const struct cmd_entry cmd_up_pane_entry;
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extern const struct cmd_entry cmd_wait_for_entry;
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const struct cmd_entry *cmd_table[] = {
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&cmd_attach_session_entry,
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&cmd_bind_key_entry,
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&cmd_break_pane_entry,
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&cmd_capture_pane_entry,
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&cmd_choose_buffer_entry,
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&cmd_choose_client_entry,
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&cmd_choose_session_entry,
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&cmd_choose_tree_entry,
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&cmd_choose_window_entry,
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&cmd_clear_history_entry,
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&cmd_clock_mode_entry,
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&cmd_command_prompt_entry,
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&cmd_confirm_before_entry,
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&cmd_copy_mode_entry,
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&cmd_delete_buffer_entry,
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&cmd_detach_client_entry,
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&cmd_display_message_entry,
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&cmd_display_panes_entry,
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&cmd_find_window_entry,
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&cmd_has_session_entry,
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&cmd_if_shell_entry,
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&cmd_join_pane_entry,
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&cmd_kill_pane_entry,
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&cmd_kill_server_entry,
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&cmd_kill_session_entry,
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&cmd_kill_window_entry,
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&cmd_last_pane_entry,
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&cmd_last_window_entry,
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&cmd_link_window_entry,
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&cmd_list_buffers_entry,
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&cmd_list_clients_entry,
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&cmd_list_commands_entry,
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&cmd_list_keys_entry,
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&cmd_list_panes_entry,
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&cmd_list_sessions_entry,
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&cmd_list_windows_entry,
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&cmd_load_buffer_entry,
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&cmd_lock_client_entry,
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&cmd_lock_server_entry,
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&cmd_lock_session_entry,
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&cmd_move_pane_entry,
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&cmd_move_window_entry,
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&cmd_new_session_entry,
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&cmd_new_window_entry,
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&cmd_next_layout_entry,
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&cmd_next_window_entry,
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&cmd_paste_buffer_entry,
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&cmd_pipe_pane_entry,
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&cmd_previous_layout_entry,
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&cmd_previous_window_entry,
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&cmd_refresh_client_entry,
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&cmd_rename_session_entry,
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&cmd_rename_window_entry,
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&cmd_resize_pane_entry,
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&cmd_respawn_pane_entry,
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&cmd_respawn_window_entry,
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&cmd_rotate_window_entry,
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&cmd_run_shell_entry,
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&cmd_save_buffer_entry,
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&cmd_select_layout_entry,
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&cmd_select_pane_entry,
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&cmd_select_window_entry,
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&cmd_send_keys_entry,
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&cmd_send_prefix_entry,
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&cmd_server_info_entry,
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&cmd_set_buffer_entry,
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&cmd_set_environment_entry,
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&cmd_set_hook_entry,
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&cmd_set_option_entry,
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&cmd_set_window_option_entry,
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&cmd_show_buffer_entry,
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&cmd_show_environment_entry,
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&cmd_show_hooks_entry,
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&cmd_show_messages_entry,
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&cmd_show_options_entry,
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&cmd_show_window_options_entry,
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&cmd_source_file_entry,
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&cmd_split_window_entry,
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&cmd_start_server_entry,
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&cmd_suspend_client_entry,
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&cmd_swap_pane_entry,
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&cmd_swap_window_entry,
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&cmd_switch_client_entry,
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&cmd_unbind_key_entry,
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&cmd_unlink_window_entry,
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&cmd_wait_for_entry,
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NULL
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};
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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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size_t arglen;
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int i;
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if (argc == 0)
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return (0);
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*buf = '\0';
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for (i = 0; i < argc; i++) {
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if (strlcpy(buf, argv[i], len) >= len)
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return (-1);
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arglen = strlen(argv[i]) + 1;
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buf += arglen;
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len -= arglen;
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}
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return (0);
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}
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int
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cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
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{
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int i;
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size_t arglen;
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if (argc == 0)
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return (0);
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*argv = xcalloc(argc, sizeof **argv);
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buf[len - 1] = '\0';
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for (i = 0; i < argc; i++) {
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if (len == 0) {
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cmd_free_argv(argc, *argv);
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return (-1);
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}
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arglen = strlen(buf) + 1;
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(*argv)[i] = xstrdup(buf);
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buf += arglen;
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len -= arglen;
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}
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return (0);
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}
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char **
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cmd_copy_argv(int argc, char **argv)
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{
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char **new_argv;
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int i;
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if (argc == 0)
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return (NULL);
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new_argv = xcalloc(argc + 1, sizeof *new_argv);
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for (i = 0; i < argc; i++) {
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if (argv[i] != NULL)
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new_argv[i] = xstrdup(argv[i]);
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}
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return (new_argv);
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}
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void
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cmd_free_argv(int argc, char **argv)
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{
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int i;
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if (argc == 0)
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return;
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for (i = 0; i < argc; i++)
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free(argv[i]);
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free(argv);
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}
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char *
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cmd_stringify_argv(int argc, char **argv)
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{
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char *buf;
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int i;
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size_t len;
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if (argc == 0)
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return (xstrdup(""));
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len = 0;
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buf = NULL;
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for (i = 0; i < argc; i++) {
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len += strlen(argv[i]) + 1;
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buf = xrealloc(buf, len);
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if (i == 0)
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*buf = '\0';
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else
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strlcat(buf, " ", len);
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strlcat(buf, argv[i], len);
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}
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return (buf);
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}
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struct cmd *
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cmd_parse(int argc, char **argv, const char *file, u_int line, char **cause)
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{
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const struct cmd_entry **entryp, *entry;
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struct cmd *cmd;
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struct args *args;
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char s[BUFSIZ];
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int ambiguous = 0;
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*cause = NULL;
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if (argc == 0) {
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xasprintf(cause, "no command");
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return (NULL);
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}
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entry = NULL;
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for (entryp = cmd_table; *entryp != NULL; entryp++) {
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if ((*entryp)->alias != NULL &&
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strcmp((*entryp)->alias, argv[0]) == 0) {
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ambiguous = 0;
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entry = *entryp;
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break;
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}
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if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
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continue;
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if (entry != NULL)
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ambiguous = 1;
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entry = *entryp;
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/* Bail now if an exact match. */
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if (strcmp(entry->name, argv[0]) == 0)
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break;
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}
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if (ambiguous)
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goto ambiguous;
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if (entry == NULL) {
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xasprintf(cause, "unknown command: %s", argv[0]);
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return (NULL);
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}
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args = args_parse(entry->args.template, argc, argv);
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if (args == NULL)
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goto usage;
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if (entry->args.lower != -1 && args->argc < entry->args.lower)
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goto usage;
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if (entry->args.upper != -1 && args->argc > entry->args.upper)
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goto usage;
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cmd = xcalloc(1, sizeof *cmd);
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cmd->entry = entry;
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cmd->args = args;
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if (file != NULL)
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cmd->file = xstrdup(file);
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cmd->line = line;
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return (cmd);
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ambiguous:
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*s = '\0';
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for (entryp = cmd_table; *entryp != NULL; entryp++) {
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if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
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continue;
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if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
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break;
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if (strlcat(s, ", ", sizeof s) >= sizeof s)
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break;
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}
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s[strlen(s) - 2] = '\0';
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xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
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return (NULL);
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usage:
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if (args != NULL)
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args_free(args);
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xasprintf(cause, "usage: %s %s", entry->name, entry->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 int
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cmd_prepare_state_flag(struct cmd_find_state *fs, enum cmd_entry_flag flag,
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const char *target, struct cmd_q *cmdq)
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{
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int targetflags, error;
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if (flag == CMD_SESSION_WITHPANE) {
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if (target != NULL && target[strcspn(target, ":.")] != '\0')
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flag = CMD_PANE;
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else
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flag = CMD_SESSION;
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}
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switch (flag) {
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case CMD_NONE:
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case CMD_CLIENT:
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case CMD_CLIENT_CANFAIL:
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return (0);
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case CMD_SESSION:
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case CMD_SESSION_CANFAIL:
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case CMD_SESSION_PREFERUNATTACHED:
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case CMD_SESSION_WITHPANE:
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targetflags = 0;
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if (flag == CMD_SESSION_CANFAIL)
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targetflags |= CMD_FIND_QUIET;
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if (flag == CMD_SESSION_PREFERUNATTACHED)
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targetflags |= CMD_FIND_PREFER_UNATTACHED;
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error = cmd_find_target(fs, cmdq, target, CMD_FIND_SESSION,
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targetflags);
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if (error != 0 && flag != CMD_SESSION_CANFAIL)
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return (-1);
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break;
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case CMD_MOVEW_R:
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error = cmd_find_target(fs, cmdq, target, CMD_FIND_SESSION,
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CMD_FIND_QUIET);
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if (error == 0)
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break;
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flag = CMD_WINDOW_INDEX;
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/* FALLTHROUGH */
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case CMD_WINDOW:
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case CMD_WINDOW_CANFAIL:
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case CMD_WINDOW_MARKED:
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case CMD_WINDOW_INDEX:
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targetflags = 0;
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if (flag == CMD_WINDOW_CANFAIL)
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targetflags |= CMD_FIND_QUIET;
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if (flag == CMD_WINDOW_MARKED)
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targetflags |= CMD_FIND_DEFAULT_MARKED;
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if (flag == CMD_WINDOW_INDEX)
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targetflags |= CMD_FIND_WINDOW_INDEX;
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error = cmd_find_target(fs, cmdq, target, CMD_FIND_WINDOW,
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targetflags);
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if (error != 0 && flag != CMD_WINDOW_CANFAIL)
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return (-1);
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break;
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case CMD_PANE:
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case CMD_PANE_CANFAIL:
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case CMD_PANE_MARKED:
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targetflags = 0;
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if (flag == CMD_PANE_CANFAIL)
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targetflags |= CMD_FIND_QUIET;
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if (flag == CMD_PANE_MARKED)
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targetflags |= CMD_FIND_DEFAULT_MARKED;
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error = cmd_find_target(fs, cmdq, target, CMD_FIND_PANE,
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targetflags);
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if (error != 0 && flag != CMD_PANE_CANFAIL)
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return (-1);
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break;
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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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const struct cmd_entry *entry = cmd->entry;
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struct cmd_state *state = &cmdq->state;
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char *tmp;
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enum cmd_entry_flag flag;
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const char *s;
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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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cmd_clear_state(state);
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flag = cmd->entry->cflag;
|
|
if (flag == CMD_NONE) {
|
|
flag = cmd->entry->tflag;
|
|
if (flag == CMD_CLIENT || flag == CMD_CLIENT_CANFAIL)
|
|
s = args_get(cmd->args, 't');
|
|
else
|
|
s = NULL;
|
|
} else
|
|
s = args_get(cmd->args, 'c');
|
|
switch (flag) {
|
|
case CMD_CLIENT:
|
|
state->c = cmd_find_client(cmdq, s, 0);
|
|
if (state->c == NULL)
|
|
return (-1);
|
|
break;
|
|
default:
|
|
state->c = cmd_find_client(cmdq, s, 1);
|
|
break;
|
|
}
|
|
|
|
s = args_get(cmd->args, 't');
|
|
log_debug("preparing -t state: target %s", s == NULL ? "none" : s);
|
|
|
|
error = cmd_prepare_state_flag(&state->tflag, entry->tflag, s, cmdq);
|
|
if (error != 0)
|
|
return (error);
|
|
|
|
s = args_get(cmd->args, 's');
|
|
log_debug("preparing -s state: target %s", s == NULL ? "none" : s);
|
|
|
|
error = cmd_prepare_state_flag(&state->sflag, entry->sflag, s, cmdq);
|
|
if (error != 0)
|
|
return (error);
|
|
|
|
return (0);
|
|
}
|
|
|
|
char *
|
|
cmd_print(struct cmd *cmd)
|
|
{
|
|
char *out, *s;
|
|
|
|
s = args_print(cmd->args);
|
|
if (*s != '\0')
|
|
xasprintf(&out, "%s %s", cmd->entry->name, s);
|
|
else
|
|
out = xstrdup(cmd->entry->name);
|
|
free(s);
|
|
|
|
return (out);
|
|
}
|
|
|
|
/* Adjust current mouse position for a pane. */
|
|
int
|
|
cmd_mouse_at(struct window_pane *wp, struct mouse_event *m, u_int *xp,
|
|
u_int *yp, int last)
|
|
{
|
|
u_int x, y;
|
|
|
|
if (last) {
|
|
x = m->lx;
|
|
y = m->ly;
|
|
} else {
|
|
x = m->x;
|
|
y = m->y;
|
|
}
|
|
|
|
if (m->statusat == 0 && y > 0)
|
|
y--;
|
|
else if (m->statusat > 0 && y >= (u_int)m->statusat)
|
|
y = m->statusat - 1;
|
|
|
|
if (x < wp->xoff || x >= wp->xoff + wp->sx)
|
|
return (-1);
|
|
if (y < wp->yoff || y >= wp->yoff + wp->sy)
|
|
return (-1);
|
|
|
|
*xp = x - wp->xoff;
|
|
*yp = y - wp->yoff;
|
|
return (0);
|
|
}
|
|
|
|
/* Get current mouse window if any. */
|
|
struct winlink *
|
|
cmd_mouse_window(struct mouse_event *m, struct session **sp)
|
|
{
|
|
struct session *s;
|
|
struct window *w;
|
|
|
|
if (!m->valid || m->s == -1 || m->w == -1)
|
|
return (NULL);
|
|
if ((s = session_find_by_id(m->s)) == NULL)
|
|
return (NULL);
|
|
if ((w = window_find_by_id(m->w)) == NULL)
|
|
return (NULL);
|
|
|
|
if (sp != NULL)
|
|
*sp = s;
|
|
return (winlink_find_by_window(&s->windows, w));
|
|
}
|
|
|
|
/* Get current mouse pane if any. */
|
|
struct window_pane *
|
|
cmd_mouse_pane(struct mouse_event *m, struct session **sp,
|
|
struct winlink **wlp)
|
|
{
|
|
struct winlink *wl;
|
|
struct window_pane *wp;
|
|
|
|
if ((wl = cmd_mouse_window(m, sp)) == NULL)
|
|
return (NULL);
|
|
if ((wp = window_pane_find_by_id(m->wp)) == NULL)
|
|
return (NULL);
|
|
if (!window_has_pane(wl->window, wp))
|
|
return (NULL);
|
|
|
|
if (wlp != NULL)
|
|
*wlp = wl;
|
|
return (wp);
|
|
}
|
|
|
|
/* Replace the first %% or %idx in template by s. */
|
|
char *
|
|
cmd_template_replace(const char *template, const char *s, int idx)
|
|
{
|
|
char ch, *buf;
|
|
const char *ptr;
|
|
int replaced;
|
|
size_t len;
|
|
|
|
if (strchr(template, '%') == NULL)
|
|
return (xstrdup(template));
|
|
|
|
buf = xmalloc(1);
|
|
*buf = '\0';
|
|
len = 0;
|
|
replaced = 0;
|
|
|
|
ptr = template;
|
|
while (*ptr != '\0') {
|
|
switch (ch = *ptr++) {
|
|
case '%':
|
|
if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) {
|
|
if (*ptr != '%' || replaced)
|
|
break;
|
|
replaced = 1;
|
|
}
|
|
ptr++;
|
|
|
|
len += strlen(s);
|
|
buf = xrealloc(buf, len + 1);
|
|
strlcat(buf, s, len + 1);
|
|
continue;
|
|
}
|
|
buf = xrealloc(buf, len + 2);
|
|
buf[len++] = ch;
|
|
buf[len] = '\0';
|
|
}
|
|
|
|
return (buf);
|
|
}
|