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tmux/tmux.h

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/* $Id: tmux.h,v 1.99 2007-11-24 18:32:52 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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.
*/
#ifndef TMUX_H
#define TMUX_H
/* Shut up gcc warnings about empty if bodies. */
#define RB_AUGMENT(x) do {} while (0)
#include <sys/param.h>
#ifndef NO_QUEUE_H
#include <sys/queue.h>
#else
#include "compat/queue.h"
#endif
#ifndef NO_TREE_H
#include <sys/tree.h>
#else
#include "compat/tree.h"
#endif
#include <poll.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
#include "array.h"
extern char *__progname;
#ifndef INFTIM
#define INFTIM -1
#endif
#ifndef __dead
#define __dead __attribute__ ((__noreturn__))
#endif
#ifndef __packed
#define __packed __attribute__ ((__packed__))
#endif
#ifndef TTY_NAME_MAX
#define TTY_NAME_MAX 32
#endif
#define MAXTITLELEN 128
/* Fatal errors. */
#define fatal(msg) log_fatal("%s: %s", __func__, msg);
#define fatalx(msg) log_fatalx("%s: %s", __func__, msg);
/* Definition to shut gcc up about unused arguments. */
#define unused __attribute__ ((unused))
/* Attribute to make gcc check printf-like arguments. */
#define printflike1 __attribute__ ((format (printf, 1, 2)))
#define printflike2 __attribute__ ((format (printf, 2, 3)))
#define printflike3 __attribute__ ((format (printf, 3, 4)))
#define printflike4 __attribute__ ((format (printf, 4, 5)))
/* Ensure buffer size. */
#define ENSURE_SIZE(buf, len, size) do { \
(buf) = ensure_size(buf, &(len), 1, size); \
} while (0)
#define ENSURE_SIZE2(buf, len, nmemb, size) do { \
(buf) = ensure_size(buf, &(len), nmemb, size); \
} while (0)
#define ENSURE_FOR(buf, len, size, adj) do { \
(buf) = ensure_for(buf, &(len), size, adj); \
} while (0)
/* Buffer macros. */
#define BUFFER_USED(b) ((b)->size)
#define BUFFER_FREE(b) ((b)->space - (b)->off - (b)->size)
#define BUFFER_IN(b) ((b)->base + (b)->off + (b)->size)
#define BUFFER_OUT(b) ((b)->base + (b)->off)
/* Buffer structure. */
struct buffer {
u_char *base; /* buffer start */
size_t space; /* total size of buffer */
size_t size; /* size of data in buffer */
size_t off; /* offset of data in buffer */
};
/* Key codes. ncurses defines KEY_*. Grrr. */
#define KEYC_NONE 256
#define KEYC_A1 -1
#define KEYC_A3 -2
#define KEYC_B2 -3
/* XXX #define KEYC_BACKSPACE -4 */
#define KEYC_BEG -5
#define KEYC_BTAB -6
#define KEYC_C1 -7
#define KEYC_C3 -8
#define KEYC_CANCEL -9
#define KEYC_CATAB -10
#define KEYC_CLEAR -11
#define KEYC_CLOSE -12
#define KEYC_COMMAND -13
#define KEYC_COPY -14
#define KEYC_CREATE -15
#define KEYC_CTAB -16
#define KEYC_DC -17
#define KEYC_DL -18
#define KEYC_DOWN -19
#define KEYC_EIC -20
#define KEYC_END -21
#define KEYC_ENTER -22
#define KEYC_EOL -23
#define KEYC_EOS -24
#define KEYC_EXIT -25
#define KEYC_F0 -26
#define KEYC_F1 -27
#define KEYC_F10 -28
#define KEYC_F11 -29
#define KEYC_F12 -30
#define KEYC_F13 -31
#define KEYC_F14 -32
#define KEYC_F15 -33
#define KEYC_F16 -34
#define KEYC_F17 -35
#define KEYC_F18 -36
#define KEYC_F19 -37
#define KEYC_F2 -38
#define KEYC_F20 -39
#define KEYC_F21 -40
#define KEYC_F22 -41
#define KEYC_F23 -42
#define KEYC_F24 -43
#define KEYC_F25 -44
#define KEYC_F26 -45
#define KEYC_F27 -46
#define KEYC_F28 -47
#define KEYC_F29 -48
#define KEYC_F3 -49
#define KEYC_F30 -50
#define KEYC_F31 -51
#define KEYC_F32 -52
#define KEYC_F33 -53
#define KEYC_F34 -54
#define KEYC_F35 -55
#define KEYC_F36 -56
#define KEYC_F37 -57
#define KEYC_F38 -58
#define KEYC_F39 -59
#define KEYC_F4 -60
#define KEYC_F40 -61
#define KEYC_F41 -62
#define KEYC_F42 -63
#define KEYC_F43 -64
#define KEYC_F44 -65
#define KEYC_F45 -66
#define KEYC_F46 -67
#define KEYC_F47 -68
#define KEYC_F48 -69
#define KEYC_F49 -70
#define KEYC_F5 -71
#define KEYC_F50 -72
#define KEYC_F51 -73
#define KEYC_F52 -74
#define KEYC_F53 -75
#define KEYC_F54 -76
#define KEYC_F55 -77
#define KEYC_F56 -78
#define KEYC_F57 -79
#define KEYC_F58 -80
#define KEYC_F59 -81
#define KEYC_F6 -82
#define KEYC_F60 -83
#define KEYC_F61 -84
#define KEYC_F62 -85
#define KEYC_F63 -86
#define KEYC_F7 -87
#define KEYC_F8 -88
#define KEYC_F9 -89
#define KEYC_FIND -90
#define KEYC_HELP -91
#define KEYC_HOME -92
#define KEYC_IC -93
#define KEYC_IL -94
#define KEYC_LEFT -95
#define KEYC_LL -96
#define KEYC_MARK -97
#define KEYC_MESSAGE -98
#define KEYC_MOVE -99
#define KEYC_NEXT -100
#define KEYC_NPAGE -101
#define KEYC_OPEN -102
#define KEYC_OPTIONS -103
#define KEYC_PPAGE -104
#define KEYC_PREVIOUS -105
#define KEYC_PRINT -106
#define KEYC_REDO -107
#define KEYC_REFERENCE -108
#define KEYC_REFRESH -109
#define KEYC_REPLACE -110
#define KEYC_RESTART -111
#define KEYC_RESUME -112
#define KEYC_RIGHT -113
#define KEYC_SAVE -114
#define KEYC_SBEG -115
#define KEYC_SCANCEL -116
#define KEYC_SCOMMAND -117
#define KEYC_SCOPY -118
#define KEYC_SCREATE -119
#define KEYC_SDC -120
#define KEYC_SDL -121
#define KEYC_SELECT -122
#define KEYC_SEND -123
#define KEYC_SEOL -124
#define KEYC_SEXIT -125
#define KEYC_SF -126
#define KEYC_SFIND -127
#define KEYC_SHELP -128
#define KEYC_SHOME -129
#define KEYC_SIC -130
#define KEYC_SLEFT -131
#define KEYC_SMESSAGE -132
#define KEYC_SMOVE -133
#define KEYC_SNEXT -134
#define KEYC_SOPTIONS -135
#define KEYC_SPREVIOUS -136
#define KEYC_SPRINT -137
#define KEYC_SR -138
#define KEYC_SREDO -139
#define KEYC_SREPLACE -140
#define KEYC_SRIGHT -141
#define KEYC_SRSUME -142
#define KEYC_SSAVE -143
#define KEYC_SSUSPEND -144
#define KEYC_STAB -145
#define KEYC_SUNDO -146
#define KEYC_SUSPEND -147
#define KEYC_UNDO -148
#define KEYC_UP -149
#define KEYC_MOUSE -150
/* Translated escape codes. */
#define CODE_CURSORUP 0
#define CODE_CURSORDOWN 1
#define CODE_CURSORRIGHT 2
#define CODE_CURSORLEFT 3
#define CODE_INSERTCHARACTER 4
#define CODE_DELETECHARACTER 5
#define CODE_INSERTLINE 6
#define CODE_DELETELINE 7
#define CODE_CLEARLINE 8
/* 9 unused */
#define CODE_CLEARENDOFLINE 10
/* 11 unused */
#define CODE_CLEARSTARTOFLINE 12
#define CODE_CURSORMOVE 13
#define CODE_ATTRIBUTES 14
#define CODE_CURSOROFF 15
#define CODE_CURSORON 16
#define CODE_REVERSEINDEX 17
/* 18 unused */
#define CODE_SCROLLREGION 19
#define CODE_INSERTON 20
#define CODE_INSERTOFF 21
#define CODE_KCURSOROFF 22
#define CODE_KCURSORON 23
#define CODE_KKEYPADOFF 24
#define CODE_KKEYPADON 25
#define CODE_TITLE 26
/* Message codes. */
enum hdrtype {
MSG_COMMAND,
MSG_ERROR,
MSG_PRINT,
MSG_EXIT,
MSG_IDENTIFY,
MSG_READY,
MSG_DETACH,
MSG_RESIZE,
MSG_DATA,
MSG_KEYS,
MSG_PAUSE,
};
/* Message header structure. */
struct hdr {
enum hdrtype type;
size_t size;
};
struct msg_command_data {
long long pid; /* pid from $TMUX or -1 */
u_int idx; /* index from $TMUX */
size_t namelen;
};
struct msg_identify_data {
char tty[TTY_NAME_MAX];
u_int sx;
u_int sy;
};
struct msg_resize_data {
u_int sx;
u_int sy;
};
/* Attributes. */
#define ATTR_BRIGHT 0x1
#define ATTR_DIM 0x2
#define ATTR_UNDERSCORE 0x4
#define ATTR_BLINK 0x8
#define ATTR_REVERSE 0x10
#define ATTR_HIDDEN 0x20
#define ATTR_ITALICS 0x40
/* Modes. */
#define MODE_CURSOR 0x001
#define MODE_INSERT 0x002
#define MODE_KCURSOR 0x004
#define MODE_KKEYPAD 0x008
#define MODE_SAVED 0x010
#define MODE_HIDDEN 0x020
#define MODE_BACKGROUND 0x040
#define MODE_BGCURSOR 0x080
/*
* Virtual screen. This is stored as three blocks of 8-bit values, one for
* the actual characters, one for attributes and one for colours. Three
* seperate blocks means memset and friends can be used.
*
* Each block is y by x in size, row then column order. Sizes are 0-based.
*/
struct screen {
char title[MAXTITLELEN];
u_char **grid_data;
u_char **grid_attr;
u_char **grid_colr;
u_int *grid_size;
u_int dx; /* display x size */
u_int dy; /* display y size */
u_int hsize; /* history y size */
u_int hlimit; /* history y limit */
u_int rupper; /* scroll region top */
u_int rlower; /* scroll region bottom */
u_int cx; /* cursor x */
u_int cy; /* cursor y */
u_char attr;
u_char colr; /* fg:bg */
u_int saved_cx;
u_int saved_cy;
u_char saved_attr;
u_char saved_colr;
int mode;
};
/* Screen redraw selection. */
struct screen_draw_sel {
int flag;
u_int sx;
u_int sy;
u_int ex;
u_int ey;
};
/* Screen redraw context. */
struct screen_draw_ctx {
struct screen *s;
struct buffer *b;
u_int cx;
u_int cy;
u_int ox;
u_int oy;
u_char attr;
u_char colr;
struct screen_draw_sel sel;
};
/* Screen display access macros. */
#define screen_x(s, x) (x)
#define screen_y(s, y) ((s)->hsize + y)
#define screen_last_x(s) ((s)->dx - 1)
#define screen_last_y(s) ((s)->dy - 1)
#define screen_size_x(s) ((s)->dx)
#define screen_size_y(s) ((s)->dy)
#define screen_in_x(s, x) ((x) < screen_size_x(s))
#define screen_in_y(s, y) ((y) < screen_size_y(s))
#define screen_in_region(s, y) ((y) >= (s)->rupper && (y) <= (s)->rlower)
#define screen_hidden(s) ((s)->mode & (MODE_HIDDEN|MODE_BACKGROUND))
/* Screen default contents. */
#define SCREEN_DEFDATA ' '
#define SCREEN_DEFATTR 0
#define SCREEN_DEFCOLR 0x88
/* Input parser sequence argument. */
struct input_arg {
u_char data[64];
size_t used;
};
/* Input parser context. */
struct input_ctx {
struct window *w;
struct buffer *b;
u_char *buf;
size_t len;
size_t off;
u_char title_buf[MAXTITLELEN];
size_t title_len;
u_int title_type;
void *(*state)(u_char, struct input_ctx *);
u_char private;
ARRAY_DECL(, struct input_arg) args;
};
/*
* Window mode. Windows can be in several modes and this is used to call the
* right function to handle input and output.
*/
struct window_mode {
void (*init)(struct window *);
void (*resize)(struct window *, u_int, u_int);
void (*draw)(struct window *, struct buffer *, u_int, u_int);
void (*key)(struct window *, int);
};
/* Window structure. */
struct window {
char *name;
int fd;
struct buffer *in;
struct buffer *out;
struct input_ctx ictx;
int flags;
#define WINDOW_BELL 0x1
struct screen screen;
const struct window_mode *mode;
void *modedata;
u_int references;
};
ARRAY_DECL(windows, struct window *);
/* Entry on local window list. */
struct winlink {
int idx;
struct window *window;
RB_ENTRY(winlink) entry;
};
RB_HEAD(winlinks, winlink);
/* Client session. */
struct session {
char *name;
time_t tim;
u_int sx;
u_int sy;
struct winlink *curw;
struct winlink *lastw;
struct winlinks windows;
ARRAY_DECL(, struct winlink *) bells; /* windows with bells */
#define SESSION_UNATTACHED 0x1 /* not attached to any clients */
int flags;
};
ARRAY_DECL(sessions, struct session *);
/* Client connection. */
struct client {
char *tty;
int fd;
struct buffer *in;
struct buffer *out;
u_int sx;
u_int sy;
#define CLIENT_TERMINAL 0x1
#define CLIENT_PREFIX 0x2
int flags;
struct session *session;
};
ARRAY_DECL(clients, struct client *);
/* Client context. */
struct client_ctx {
int srv_fd;
struct buffer *srv_in;
struct buffer *srv_out;
int loc_fd;
struct buffer *loc_in;
struct buffer *loc_out;
#define CCTX_PAUSE 0x1
#define CCTX_DETACH 0x2
#define CCTX_EXIT 0x4
int flags;
};
/* Key/command line command. */
struct cmd_ctx {
struct client *cmdclient;
struct client *client;
struct session *session;
void (*print)(struct cmd_ctx *, const char *, ...);
void (*error)(struct cmd_ctx *, const char *, ...);
#define CMD_KEY 0x1
int flags;
};
struct cmd_entry {
const char *name;
const char *alias;
const char *usage;
#define CMD_STARTSERVER 0x1
#define CMD_NOSESSION 0x2
#define CMD_NOCLIENT 0x4
#define CMD_CANTNEST 0x8
int flags;
int (*parse)(void **, int, char **, char **);
void (*exec)(void *, struct cmd_ctx *);
void (*send)(void *, struct buffer *);
void (*recv)(void **, struct buffer *);
void (*free)(void *);
};
struct cmd {
const struct cmd_entry *entry;
void *data;
};
/* Key binding. */
struct binding {
int key;
struct cmd *cmd;
};
ARRAY_DECL(bindings, struct binding *);
#ifdef NO_STRTONUM
/* strtonum.c */
long long strtonum(const char *, long long, long long, const char **);
#endif
#ifdef NO_STRLCPY
/* strlcpy.c */
size_t strlcpy(char *, const char *, size_t);
#endif
#ifdef NO_STRLCAT
/* strlcat.c */
size_t strlcat(char *, const char *, size_t);
#endif
/* tmux.c */
extern volatile sig_atomic_t sigwinch;
extern volatile sig_atomic_t sigterm;
#define BELL_NONE 0
#define BELL_ANY 1
#define BELL_CURRENT 2
extern char *default_command;
extern char *paste_buffer;
extern int bell_action;
extern int debug_level;
extern int prefix_key;
extern u_char status_colour;
extern u_int history_limit;
extern u_int status_lines;
void usage(char **, const char *, ...);
void logfile(const char *);
void siginit(void);
void sigreset(void);
/* cmd.c */
struct cmd *cmd_parse(int, char **, char **);
void cmd_exec(struct cmd *, struct cmd_ctx *);
void cmd_send(struct cmd *, struct buffer *);
struct cmd *cmd_recv(struct buffer *);
void cmd_free(struct cmd *);
void cmd_send_string(struct buffer *, const char *);
char *cmd_recv_string(struct buffer *);
extern const struct cmd_entry cmd_attach_session_entry;
extern const struct cmd_entry cmd_bind_key_entry;
extern const struct cmd_entry cmd_copy_mode_entry;
extern const struct cmd_entry cmd_detach_client_entry;
extern const struct cmd_entry cmd_has_session_entry;
extern const struct cmd_entry cmd_kill_session_entry;
extern const struct cmd_entry cmd_kill_window_entry;
extern const struct cmd_entry cmd_last_window_entry;
extern const struct cmd_entry cmd_link_window_entry;
extern const struct cmd_entry cmd_list_clients_entry;
extern const struct cmd_entry cmd_list_keys_entry;
extern const struct cmd_entry cmd_list_sessions_entry;
extern const struct cmd_entry cmd_list_windows_entry;
extern const struct cmd_entry cmd_new_session_entry;
extern const struct cmd_entry cmd_new_window_entry;
extern const struct cmd_entry cmd_next_window_entry;
extern const struct cmd_entry cmd_paste_buffer_entry;
extern const struct cmd_entry cmd_previous_window_entry;
extern const struct cmd_entry cmd_refresh_client_entry;
extern const struct cmd_entry cmd_rename_session_entry;
extern const struct cmd_entry cmd_rename_window_entry;
extern const struct cmd_entry cmd_scroll_mode_entry;
extern const struct cmd_entry cmd_select_window_entry;
extern const struct cmd_entry cmd_send_prefix_entry;
extern const struct cmd_entry cmd_set_option_entry;
extern const struct cmd_entry cmd_swap_window_entry;
extern const struct cmd_entry cmd_switch_client_entry;
extern const struct cmd_entry cmd_unbind_key_entry;
extern const struct cmd_entry cmd_unlink_window_entry;
void cmd_select_window_default(void **, int);
/* client.c */
int client_init(const char *, struct client_ctx *, int);
int client_flush(struct client_ctx *);
int client_main(struct client_ctx *);
/* client-msg.c */
int client_msg_dispatch(struct client_ctx *, char **);
/* client-fn.c */
void client_write_server(struct client_ctx *, enum hdrtype, void *, size_t);
void client_write_server2(
struct client_ctx *, enum hdrtype, void *, size_t, void *, size_t);
void client_fill_session(struct msg_command_data *);
/* key-bindings.c */
extern struct bindings key_bindings;
void key_bindings_add(int, struct cmd *);
void key_bindings_remove(int);
void key_bindings_init(void);
void key_bindings_free(void);
void key_bindings_dispatch(int, struct client *);
/* key-string.c */
int key_string_lookup_string(const char *);
const char *key_string_lookup_key(int);
/* server.c */
extern struct clients clients;
int server_start(const char *);
/* server-msg.c */
int server_msg_dispatch(struct client *);
/* server-fn.c */
struct session *server_extract_session(
struct msg_command_data *, char *, char **);
void server_write_client(
struct client *, enum hdrtype, const void *, size_t);
void server_write_session(
struct session *, enum hdrtype, const void *, size_t);
void server_write_window_cur(
struct window *, enum hdrtype, const void *, size_t);
void server_write_window_all(
struct window *, enum hdrtype, const void *, size_t);
void server_status_client(struct client *);
void server_clear_client(struct client *);
void server_redraw_client(struct client *);
void server_status_session(struct session *);
void server_redraw_session(struct session *);
void server_status_window_cur(struct window *);
void server_status_window_all(struct window *);
void server_clear_window_cur(struct window *);
void server_clear_window_all(struct window *);
void server_redraw_window_cur(struct window *);
void server_redraw_window_all(struct window *);
void printflike2 server_write_message(struct client *, const char *, ...);
/* status.c */
void status_write(struct client *c);
/* resize.c */
void recalculate_sizes(void);
/* input.c */
void input_init(struct window *);
void input_free(struct window *);
void input_parse(struct window *, struct buffer *);
uint8_t input_extract8(struct buffer *);
uint16_t input_extract16(struct buffer *);
void input_store8(struct buffer *, uint8_t);
void input_store16(struct buffer *, uint16_t);
void input_store_zero(struct buffer *, u_char);
void input_store_one(struct buffer *, u_char, uint16_t);
void input_store_two(struct buffer *, u_char, uint16_t, uint16_t);
/* input-key.c */
void input_key(struct buffer *, int);
/* screen-display.c */
void screen_display_make_lines(struct screen *, u_int, u_int);
void screen_display_free_lines(struct screen *, u_int, u_int);
void screen_display_move_lines(struct screen *, u_int, u_int, u_int);
void screen_display_fill_lines(
struct screen *, u_int, u_int, u_char, u_char, u_char);
void screen_display_fill_cells(
struct screen *, u_int, u_int, u_int, u_char, u_char, u_char);
void screen_display_fill_screen(struct screen *, u_char, u_char, u_char);
void screen_display_fill_cursor_eos(
struct screen *, u_char, u_char, u_char);
void screen_display_fill_cursor_bos(
struct screen *, u_char, u_char, u_char);
void screen_display_fill_line(
struct screen *, u_int, u_char, u_char, u_char);
void screen_display_fill_cursor_bol(
struct screen *, u_char, u_char, u_char);
void screen_display_fill_cursor_eol(
struct screen *, u_char, u_char, u_char);
void screen_display_cursor_set(struct screen *, u_char);
void screen_display_cursor_up(struct screen *);
void screen_display_cursor_down(struct screen *);
void screen_display_scroll_region_up(struct screen *);
void screen_display_scroll_region_down(struct screen *);
void screen_display_insert_lines(struct screen *, u_int, u_int);
void screen_display_insert_lines_region(struct screen *, u_int, u_int);
void screen_display_delete_lines(struct screen *, u_int, u_int);
void screen_display_delete_lines_region(struct screen *, u_int, u_int);
void screen_display_insert_characters(struct screen *, u_int, u_int, u_int);
void screen_display_delete_characters(struct screen *, u_int, u_int, u_int);
/* screen.c */
const char *screen_colourstring(u_char);
u_char screen_stringcolour(const char *);
void screen_create(struct screen *, u_int, u_int);
void screen_destroy(struct screen *);
void screen_resize(struct screen *, u_int, u_int);
void screen_expand_line(struct screen *, u_int, u_int);
void screen_reduce_line(struct screen *, u_int, u_int);
void screen_get_cell(
struct screen *, u_int, u_int, u_char *, u_char *, u_char *);
void screen_set_cell(struct screen *, u_int, u_int, u_char, u_char, u_char);
void screen_draw_start(struct screen_draw_ctx *,
struct screen *, struct buffer *, u_int, u_int);
void screen_draw_stop(struct screen_draw_ctx *);
void screen_draw_set_selection(
struct screen_draw_ctx *, int, u_int, u_int, u_int, u_int);
int screen_draw_check_selection(struct screen_draw_ctx *, u_int, u_int);
void screen_draw_get_cell(struct screen_draw_ctx *,
u_int, u_int, u_char *, u_char *, u_char *);
void screen_draw_move(struct screen_draw_ctx *, u_int, u_int);
void screen_draw_set_attributes(struct screen_draw_ctx *, u_char, u_char);
void screen_draw_cell(struct screen_draw_ctx *, u_int, u_int);
void screen_draw_cells(struct screen_draw_ctx *, u_int, u_int, u_int);
void screen_draw_column(struct screen_draw_ctx *, u_int);
void screen_draw_line(struct screen_draw_ctx *, u_int);
void screen_draw_lines(struct screen_draw_ctx *, u_int, u_int);
void screen_draw_screen(struct screen_draw_ctx *);
void screen_make_lines(struct screen *, u_int, u_int);
void screen_free_lines(struct screen *, u_int, u_int);
void screen_move_lines(struct screen *, u_int, u_int, u_int);
void screen_fill_lines(
struct screen *, u_int, u_int, u_char, u_char, u_char);
void screen_fill_cells(
struct screen *, u_int, u_int, u_int, u_char, u_char, u_char);
/* local.c */
int local_init(struct buffer **, struct buffer **);
void local_done(void);
int local_key(void);
void local_output(struct buffer *, size_t);
/* window.c */
extern struct windows windows;
int window_cmp(struct window *, struct window *);
int winlink_cmp(struct winlink *, struct winlink *);
RB_PROTOTYPE(windows, window, entry, window_cmp);
RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
struct winlink *winlink_find_by_index(struct winlinks *, int);
struct winlink *winlink_find_by_window(struct winlinks *, struct window *);
int winlink_next_index(struct winlinks *);
struct winlink *winlink_add(struct winlinks *, struct window *, int);
void winlink_remove(struct winlinks *, struct winlink *);
struct winlink *winlink_next(struct winlinks *, struct winlink *);
struct winlink *winlink_previous(struct winlinks *, struct winlink *);
struct window *window_create(
const char *, const char *, const char **, u_int, u_int);
void window_destroy(struct window *);
int window_resize(struct window *, u_int, u_int);
void window_parse(struct window *, struct buffer *);
void window_draw(struct window *, struct buffer *, u_int, u_int);
void window_key(struct window *, int);
/* window-copy.c */
extern const struct window_mode window_copy_mode;
/* window-scroll.c */
extern const struct window_mode window_scroll_mode;
/* window-more.c */
extern const struct window_mode window_more_mode;
void window_more_vadd(struct window *, const char *, va_list);
void printflike2 window_more_add(struct window *, const char *, ...);
/* session.c */
extern struct sessions sessions;
void session_cancelbell(struct session *, struct winlink *);
void session_addbell(struct session *, struct window *);
int session_hasbell(struct session *, struct winlink *);
struct session *session_find(const char *);
struct session *session_create(const char *, const char *, u_int, u_int);
void session_destroy(struct session *);
int session_index(struct session *, u_int *);
struct winlink *session_new(struct session *, const char *, const char *, int);
struct winlink *session_attach(struct session *, struct window *, int);
int session_detach(struct session *, struct winlink *);
int session_has(struct session *, struct window *);
int session_next(struct session *);
int session_previous(struct session *);
int session_select(struct session *, int);
int session_last(struct session *);
/* buffer.c */
struct buffer *buffer_create(size_t);
void buffer_destroy(struct buffer *);
void buffer_clear(struct buffer *);
void buffer_ensure(struct buffer *, size_t);
void buffer_add(struct buffer *, size_t);
void buffer_reverse_add(struct buffer *, size_t);
void buffer_remove(struct buffer *, size_t);
void buffer_reverse_remove(struct buffer *, size_t);
void buffer_insert_range(struct buffer *, size_t, size_t);
void buffer_delete_range(struct buffer *, size_t, size_t);
void buffer_write(struct buffer *, const void *, size_t);
void buffer_read(struct buffer *, void *, size_t);
/* buffer-poll.c */
int buffer_poll(struct pollfd *, struct buffer *, struct buffer *);
/* log.c */
void log_open(FILE *, int, int);
void log_close(void);
void log_vwrite(FILE *, int, const char *, va_list);
void log_write(FILE *, int, const char *, ...);
void printflike1 log_warn(const char *, ...);
void printflike1 log_warnx(const char *, ...);
void printflike1 log_info(const char *, ...);
void printflike1 log_debug(const char *, ...);
void printflike1 log_debug2(const char *, ...);
void printflike1 log_debug3(const char *, ...);
__dead void log_vfatal(const char *, va_list);
__dead void log_fatal(const char *, ...);
__dead void log_fatalx(const char *, ...);
/* xmalloc.c */
void *ensure_size(void *, size_t *, size_t, size_t);
void *ensure_for(void *, size_t *, size_t, size_t);
char *xmemstrdup(const char *, size_t);
char *xstrdup(const char *);
void *xcalloc(size_t, size_t);
void *xmalloc(size_t);
void *xrealloc(void *, size_t, size_t);
void xfree(void *);
int printflike2 xasprintf(char **, const char *, ...);
int xvasprintf(char **, const char *, va_list);
int printflike3 xsnprintf(char *, size_t, const char *, ...);
int xvsnprintf(char *, size_t, const char *, va_list);
int printflike3 printpath(char *, size_t, const char *, ...);
char *xdirname(const char *);
char *xbasename(const char *);
/* xmalloc-debug.c */
#ifdef DEBUG
#define xmalloc_caller() __builtin_return_address(0)
void xmalloc_clear(void);
void xmalloc_report(pid_t, const char *);
void xmalloc_new(void *, void *, size_t);
void xmalloc_change(void *, void *, void *, size_t);
void xmalloc_free(void *);
#endif
#endif
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