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/* $Id: tmux.h,v 1.191 2008-09-26 06:45:28 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
#define PROTOCOL_VERSION -3
/* Shut up gcc warnings about empty if bodies. */
#define RB_AUGMENT(x) do {} while (0)
#include <sys/param.h>
#include <sys/time.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
#ifndef BROKEN_POLL
#include <poll.h>
#else
#undef HAVE_POLL
#include "compat/bsd-poll.h"
#endif
#include <ncurses.h>
#include <limits.h>
#include <signal.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <term.h>
#include "array.h"
extern const char *__progname;
#ifndef GETOPT_PREFIX
#define GETOPT_PREFIX ""
#endif
#ifndef INFTIM
#define INFTIM -1
#endif
#ifndef WAIT_ANY
#define WAIT_ANY -1
#endif
#ifndef SUN_LEN
#define SUN_LEN(sun) (sizeof (sun)->sun_path)
#endif
#ifndef __dead
#define __dead __attribute__ ((__noreturn__))
#endif
#ifndef __packed
#define __packed __attribute__ ((__packed__))
#endif
#ifndef timercmp
#define timercmp(tvp, uvp, cmp) \
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#endif
#ifndef timeradd
#define timeradd(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
if ((vvp)->tv_usec >= 1000000) { \
(vvp)->tv_sec++; \
(vvp)->tv_usec -= 1000000; \
} \
} while (0)
#endif
#ifndef TTY_NAME_MAX
#define TTY_NAME_MAX 32
#endif
#ifdef NO_PATHS_H
#define _PATH_BSHELL "/bin/sh"
#define _PATH_TMP "/tmp/"
#define _PATH_DEVNULL "/dev/null"
#endif
/* Default configuration file. */
#define DEFAULT_CFG ".tmux.conf"
/* 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)))
/* 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 */
};
/* Bell option values. */
#define BELL_NONE 0
#define BELL_ANY 1
#define BELL_CURRENT 2
/* Key codes. ncurses defines KEY_*. Grrr. */
#define KEYC_NONE 0x0ffff
#define KEYC_OFFSET 0x10000
#define KEYC_ESCAPE 0x20000
#define KEYC_ADDESCAPE(k) ((k) | KEYC_ESCAPE)
#define KEYC_REMOVEESCAPE(k) ((k) & ~KEYC_ESCAPE)
#define KEYC_ISESCAPE(k) ((k) != KEYC_NONE && ((k) & KEYC_ESCAPE))
/* #define KEYC_A1 (KEYC_OFFSET + 0x1) */
/* #define KEYC_A3 (KEYC_OFFSET + 0x2) */
/* #define KEYC_B2 (KEYC_OFFSET + 0x3) */
/* #define KEYC_BACKSPACE (KEYC_OFFSET + 0x4) */
#define KEYC_BEG (KEYC_OFFSET + 0x5)
#define KEYC_BTAB (KEYC_OFFSET + 0x6)
/* #define KEYC_C1 (KEYC_OFFSET + 0x7) */
/* #define KEYC_C3 (KEYC_OFFSET + 0x8) */
#define KEYC_CANCEL (KEYC_OFFSET + 0x9)
#define KEYC_CATAB (KEYC_OFFSET + 0xa)
#define KEYC_CLEAR (KEYC_OFFSET + 0xb)
#define KEYC_CLOSE (KEYC_OFFSET + 0xc)
#define KEYC_COMMAND (KEYC_OFFSET + 0xd)
#define KEYC_COPY (KEYC_OFFSET + 0xe)
#define KEYC_CREATE (KEYC_OFFSET + 0xf)
#define KEYC_CTAB (KEYC_OFFSET + 0x10)
#define KEYC_DC (KEYC_OFFSET + 0x11)
#define KEYC_DL (KEYC_OFFSET + 0x12)
#define KEYC_DOWN (KEYC_OFFSET + 0x13)
#define KEYC_EIC (KEYC_OFFSET + 0x14)
#define KEYC_END (KEYC_OFFSET + 0x15)
/* #define KEYC_ENTER (KEYC_OFFSET + 0x16) */
#define KEYC_EOL (KEYC_OFFSET + 0x17)
#define KEYC_EOS (KEYC_OFFSET + 0x18)
#define KEYC_EXIT (KEYC_OFFSET + 0x19)
#define KEYC_F0 (KEYC_OFFSET + 0x1a)
#define KEYC_F1 (KEYC_OFFSET + 0x1b)
#define KEYC_F10 (KEYC_OFFSET + 0x1c)
#define KEYC_F11 (KEYC_OFFSET + 0x1d)
#define KEYC_F12 (KEYC_OFFSET + 0x1e)
#define KEYC_F13 (KEYC_OFFSET + 0x1f)
#define KEYC_F14 (KEYC_OFFSET + 0x20)
#define KEYC_F15 (KEYC_OFFSET + 0x21)
#define KEYC_F16 (KEYC_OFFSET + 0x22)
#define KEYC_F17 (KEYC_OFFSET + 0x23)
#define KEYC_F18 (KEYC_OFFSET + 0x24)
#define KEYC_F19 (KEYC_OFFSET + 0x25)
#define KEYC_F2 (KEYC_OFFSET + 0x26)
#define KEYC_F20 (KEYC_OFFSET + 0x27)
#define KEYC_F21 (KEYC_OFFSET + 0x28)
#define KEYC_F22 (KEYC_OFFSET + 0x29)
#define KEYC_F23 (KEYC_OFFSET + 0x2a)
#define KEYC_F24 (KEYC_OFFSET + 0x2b)
#define KEYC_F25 (KEYC_OFFSET + 0x2c)
#define KEYC_F26 (KEYC_OFFSET + 0x2d)
#define KEYC_F27 (KEYC_OFFSET + 0x2e)
#define KEYC_F28 (KEYC_OFFSET + 0x2f)
#define KEYC_F29 (KEYC_OFFSET + 0x30)
#define KEYC_F3 (KEYC_OFFSET + 0x31)
#define KEYC_F30 (KEYC_OFFSET + 0x32)
#define KEYC_F31 (KEYC_OFFSET + 0x33)
#define KEYC_F32 (KEYC_OFFSET + 0x34)
#define KEYC_F33 (KEYC_OFFSET + 0x35)
#define KEYC_F34 (KEYC_OFFSET + 0x36)
#define KEYC_F35 (KEYC_OFFSET + 0x37)
#define KEYC_F36 (KEYC_OFFSET + 0x38)
#define KEYC_F37 (KEYC_OFFSET + 0x39)
#define KEYC_F38 (KEYC_OFFSET + 0x3a)
#define KEYC_F39 (KEYC_OFFSET + 0x3b)
#define KEYC_F4 (KEYC_OFFSET + 0x3c)
#define KEYC_F40 (KEYC_OFFSET + 0x3d)
#define KEYC_F41 (KEYC_OFFSET + 0x3e)
#define KEYC_F42 (KEYC_OFFSET + 0x3f)
#define KEYC_F43 (KEYC_OFFSET + 0x40)
#define KEYC_F44 (KEYC_OFFSET + 0x41)
#define KEYC_F45 (KEYC_OFFSET + 0x42)
#define KEYC_F46 (KEYC_OFFSET + 0x43)
#define KEYC_F47 (KEYC_OFFSET + 0x44)
#define KEYC_F48 (KEYC_OFFSET + 0x45)
#define KEYC_F49 (KEYC_OFFSET + 0x46)
#define KEYC_F5 (KEYC_OFFSET + 0x47)
#define KEYC_F50 (KEYC_OFFSET + 0x48)
#define KEYC_F51 (KEYC_OFFSET + 0x49)
#define KEYC_F52 (KEYC_OFFSET + 0x4a)
#define KEYC_F53 (KEYC_OFFSET + 0x4b)
#define KEYC_F54 (KEYC_OFFSET + 0x4c)
#define KEYC_F55 (KEYC_OFFSET + 0x4d)
#define KEYC_F56 (KEYC_OFFSET + 0x4e)
#define KEYC_F57 (KEYC_OFFSET + 0x4f)
#define KEYC_F58 (KEYC_OFFSET + 0x50)
#define KEYC_F59 (KEYC_OFFSET + 0x51)
#define KEYC_F6 (KEYC_OFFSET + 0x52)
#define KEYC_F60 (KEYC_OFFSET + 0x53)
#define KEYC_F61 (KEYC_OFFSET + 0x54)
#define KEYC_F62 (KEYC_OFFSET + 0x55)
#define KEYC_F63 (KEYC_OFFSET + 0x56)
#define KEYC_F7 (KEYC_OFFSET + 0x57)
#define KEYC_F8 (KEYC_OFFSET + 0x58)
#define KEYC_F9 (KEYC_OFFSET + 0x59)
#define KEYC_FIND (KEYC_OFFSET + 0x5a)
#define KEYC_HELP (KEYC_OFFSET + 0x5b)
#define KEYC_HOME (KEYC_OFFSET + 0x5c)
#define KEYC_IC (KEYC_OFFSET + 0x5d)
#define KEYC_IL (KEYC_OFFSET + 0x5e)
#define KEYC_LEFT (KEYC_OFFSET + 0x5f)
#define KEYC_LL (KEYC_OFFSET + 0x60)
#define KEYC_MARK (KEYC_OFFSET + 0x61)
#define KEYC_MESSAGE (KEYC_OFFSET + 0x62)
#define KEYC_MOVE (KEYC_OFFSET + 0x63)
#define KEYC_NEXT (KEYC_OFFSET + 0x64)
#define KEYC_NPAGE (KEYC_OFFSET + 0x65)
#define KEYC_OPEN (KEYC_OFFSET + 0x66)
#define KEYC_OPTIONS (KEYC_OFFSET + 0x67)
#define KEYC_PPAGE (KEYC_OFFSET + 0x68)
#define KEYC_PREVIOUS (KEYC_OFFSET + 0x69)
#define KEYC_PRINT (KEYC_OFFSET + 0x6a)
#define KEYC_REDO (KEYC_OFFSET + 0x6b)
#define KEYC_REFERENCE (KEYC_OFFSET + 0x6c)
#define KEYC_REFRESH (KEYC_OFFSET + 0x6d)
#define KEYC_REPLACE (KEYC_OFFSET + 0x6e)
#define KEYC_RESTART (KEYC_OFFSET + 0x6f)
#define KEYC_RESUME (KEYC_OFFSET + 0x70)
#define KEYC_RIGHT (KEYC_OFFSET + 0x71)
#define KEYC_SAVE (KEYC_OFFSET + 0x72)
#define KEYC_SBEG (KEYC_OFFSET + 0x73)
#define KEYC_SCANCEL (KEYC_OFFSET + 0x74)
#define KEYC_SCOMMAND (KEYC_OFFSET + 0x75)
#define KEYC_SCOPY (KEYC_OFFSET + 0x76)
#define KEYC_SCREATE (KEYC_OFFSET + 0x77)
#define KEYC_SDC (KEYC_OFFSET + 0x78)
#define KEYC_SDL (KEYC_OFFSET + 0x79)
#define KEYC_SELECT (KEYC_OFFSET + 0x7a)
#define KEYC_SEND (KEYC_OFFSET + 0x7b)
#define KEYC_SEOL (KEYC_OFFSET + 0x7c)
#define KEYC_SEXIT (KEYC_OFFSET + 0x7d)
#define KEYC_SF (KEYC_OFFSET + 0x7e)
#define KEYC_SFIND (KEYC_OFFSET + 0x7f)
#define KEYC_SHELP (KEYC_OFFSET + 0x80)
#define KEYC_SHOME (KEYC_OFFSET + 0x81)
#define KEYC_SIC (KEYC_OFFSET + 0x82)
#define KEYC_SLEFT (KEYC_OFFSET + 0x83)
#define KEYC_SMESSAGE (KEYC_OFFSET + 0x84)
#define KEYC_SMOVE (KEYC_OFFSET + 0x85)
#define KEYC_SNEXT (KEYC_OFFSET + 0x86)
#define KEYC_SOPTIONS (KEYC_OFFSET + 0x87)
#define KEYC_SPREVIOUS (KEYC_OFFSET + 0x88)
#define KEYC_SPRINT (KEYC_OFFSET + 0x89)
#define KEYC_SR (KEYC_OFFSET + 0x8a)
#define KEYC_SREDO (KEYC_OFFSET + 0x8b)
#define KEYC_SREPLACE (KEYC_OFFSET + 0x8c)
#define KEYC_SRIGHT (KEYC_OFFSET + 0x8d)
#define KEYC_SRSUME (KEYC_OFFSET + 0x8e)
#define KEYC_SSAVE (KEYC_OFFSET + 0x8f)
#define KEYC_SSUSPEND (KEYC_OFFSET + 0x90)
#define KEYC_STAB (KEYC_OFFSET + 0x91)
#define KEYC_SUNDO (KEYC_OFFSET + 0x92)
#define KEYC_SUSPEND (KEYC_OFFSET + 0x93)
#define KEYC_UNDO (KEYC_OFFSET + 0x94)
#define KEYC_UP (KEYC_OFFSET + 0x95)
#define KEYC_MOUSE (KEYC_OFFSET + 0x96)
/* Numeric keypad. Numbered from top-left, KPY_X. */
#define KEYC_KP0_1 (KEYC_OFFSET + 0x100)
#define KEYC_KP0_2 (KEYC_OFFSET + 0x101)
#define KEYC_KP0_3 (KEYC_OFFSET + 0x102)
#define KEYC_KP1_0 (KEYC_OFFSET + 0x103)
#define KEYC_KP1_1 (KEYC_OFFSET + 0x104)
#define KEYC_KP1_2 (KEYC_OFFSET + 0x105)
#define KEYC_KP1_3 (KEYC_OFFSET + 0x106)
#define KEYC_KP2_0 (KEYC_OFFSET + 0x107)
#define KEYC_KP2_1 (KEYC_OFFSET + 0x108)
#define KEYC_KP2_2 (KEYC_OFFSET + 0x109)
#define KEYC_KP3_0 (KEYC_OFFSET + 0x10a)
#define KEYC_KP3_1 (KEYC_OFFSET + 0x10b)
#define KEYC_KP3_2 (KEYC_OFFSET + 0x10c)
#define KEYC_KP3_3 (KEYC_OFFSET + 0x10d)
#define KEYC_KP4_0 (KEYC_OFFSET + 0x10e)
#define KEYC_KP4_2 (KEYC_OFFSET + 0x10f)
/* Output codes. */
#define TTY_CURSORUP 0
#define TTY_CURSORDOWN 1
#define TTY_CURSORRIGHT 2
#define TTY_CURSORLEFT 3
#define TTY_INSERTCHARACTER 4
#define TTY_DELETECHARACTER 5
#define TTY_INSERTLINE 6
#define TTY_DELETELINE 7
#define TTY_CLEARLINE 8
#define TTY_CLEARENDOFLINE 9
#define TTY_CLEARSTARTOFLINE 10
#define TTY_CURSORMOVE 11
#define TTY_CURSORMODE 12
#define TTY_REVERSEINDEX 13
#define TTY_SCROLLREGION 14
#define TTY_INSERTMODE 15
#define TTY_MOUSEMODE 16
#define TTY_LINEFEED 17
#define TTY_CARRIAGERETURN 18
#define TTY_BELL 19
#define TTY_KCURSORMODE 20
#define TTY_KKEYPADMODE 21
#define TTY_CLEARENDOFSCREEN 22
#define TTY_CLEARSTARTOFSCREEN 23
#define TTY_CLEARSCREEN 24
#define TTY_CELL 25
/* Message codes. */
enum hdrtype {
MSG_COMMAND,
MSG_ERROR,
MSG_PRINT,
MSG_EXIT,
MSG_EXITING,
MSG_EXITED,
MSG_DETACH,
MSG_IDENTIFY,
MSG_READY,
MSG_RESIZE,
};
/* Message header structure. */
struct hdr {
enum hdrtype type;
size_t size;
};
struct msg_command_data {
pid_t pid; /* pid from $TMUX or -1 */
u_int idx; /* index from $TMUX */
size_t namelen;
};
struct msg_identify_data {
char tty[TTY_NAME_MAX];
int version;
#define IDENTIFY_UTF8 0x1
#define IDENTIFY_256COLOURS 0x2
#define IDENTIFY_HASDEFAULTS 0x4
int flags;
u_int sx;
u_int sy;
size_t termlen;
};
struct msg_resize_data {
u_int sx;
u_int sy;
};
/* Modes. */
#define MODE_CURSOR 0x1
#define MODE_INSERT 0x2
#define MODE_KCURSOR 0x4
#define MODE_KKEYPAD 0x8
#define MODE_MOUSE 0x10
/* Grid output. */
#define GRID_DEBUG(gd, fmt, ...) log_debug3("%s: (sx=%u, sy=%u, hsize=%u) " \
fmt, __func__, (gd)->sx, (gd)->sy, (gd)->hsize, ## __VA_ARGS__)
/* Grid attributes. */
#define GRID_ATTR_BRIGHT 0x1
#define GRID_ATTR_DIM 0x2
#define GRID_ATTR_UNDERSCORE 0x4
#define GRID_ATTR_BLINK 0x8
#define GRID_ATTR_REVERSE 0x10
#define GRID_ATTR_HIDDEN 0x20
#define GRID_ATTR_ITALICS 0x40
#define GRID_ATTR_CHARSET 0x80 /* alternative character set */
/* Grid flags. */
#define GRID_FLAG_FG256 0x1
#define GRID_FLAG_BG256 0x2
#define GRID_FLAG_PADDING 0x4
/* Grid cell. */
struct grid_cell {
u_short data;
u_char attr;
u_char flags;
u_char fg;
u_char bg;
} __packed;
/* Grid data. */
struct grid_data {
u_int sx;
u_int sy;
u_int hsize;
u_int hlimit;
u_int *size;
struct grid_cell **data;
};
/* Screen selection. */
struct screen_sel {
int flag;
u_int sx;
u_int sy;
u_int ex;
u_int ey;
};
/* Virtual screen. */
struct screen {
char *title;
struct grid_data *grid; /* grid data */
u_int cx; /* cursor x */
u_int cy; /* cursor y */
u_int rupper; /* scroll region top */
u_int rlower; /* scroll region bottom */
int mode;
struct screen_sel sel;
};
/* Screen redraw context. */
struct screen_redraw_ctx {
void *data;
void (*write)(void *, int, ...);
u_int saved_cx;
u_int saved_cy;
struct screen *s;
};
/* Screen write context. */
struct screen_write_ctx {
void *data;
void (*write)(void *, int, ...);
struct screen *s;
};
/* Screen size. */
#define screen_size_x(s) ((s)->grid->sx)
#define screen_size_y(s) ((s)->grid->sy)
#define screen_hsize(s) ((s)->grid->hsize)
#define screen_hlimit(s) ((s)->grid->hlimit)
/* Input parser sequence argument. */
struct input_arg {
u_char data[64];
size_t used;
};
/* Input parser context. */
struct input_ctx {
struct window *w;
struct screen_write_ctx ctx;
u_char *buf;
size_t len;
size_t off;
struct grid_cell cell; /* current cell data */
struct grid_cell saved_cell;
u_int saved_cx;
u_int saved_cy;
#define MAXSTRINGLEN 1024
u_char *string_buf;
size_t string_len;
int string_type;
#define STRING_TITLE 0
#define STRING_NAME 1
#define STRING_IGNORE 2
u_char utf8_buf[4];
u_int utf8_len;
u_int utf8_off;
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 client;
struct window_mode {
struct screen *(*init)(struct window *);
void (*free)(struct window *);
void (*resize)(struct window *, u_int, u_int);
void (*key)(struct window *, struct client *, int);
};
/* Window structure. */
struct window {
char *name;
char *cmd;
int fd;
struct buffer *in;
struct buffer *out;
struct input_ctx ictx;
int flags;
#define WINDOW_BELL 0x1
#define WINDOW_HIDDEN 0x2
#define WINDOW_ACTIVITY 0x4
#define WINDOW_MONITOR 0x8
#define WINDOW_AGGRESSIVE 0x10
#define WINDOW_ZOMBIFY 0x20
u_int limitx;
u_int limity;
struct screen *screen;
struct screen base;
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);
/* Option data structures. */
struct options_entry {
char *name;
enum {
OPTIONS_STRING,
OPTIONS_NUMBER,
OPTIONS_KEY,
OPTIONS_COLOURS
} type;
union {
char *string;
long long number;
int key;
u_char colours;
} value;
SPLAY_ENTRY(options_entry) entry;
};
struct options {
SPLAY_HEAD(options_tree, options_entry) tree;
struct options *parent;
};
/* Paste buffer. */
struct paste_buffer {
char *data;
struct timeval tv;
};
ARRAY_DECL(paste_stack, struct paste_buffer *);
/* Client session. */
struct session_alert {
struct winlink *wl;
int type;
TAILQ_ENTRY(session_alert) entry;
};
struct session {
char *name;
struct timeval tv;
u_int sx;
u_int sy;
struct winlink *curw;
struct winlink *lastw;
struct winlinks windows;
struct options options;
struct paste_stack buffers;
TAILQ_HEAD(, session_alert) alerts;
#define SESSION_UNATTACHED 0x1 /* not attached to any clients */
int flags;
};
ARRAY_DECL(sessions, struct session *);
/* TTY information. */
struct tty_key {
int code;
char *string;
RB_ENTRY(tty_key) entry;
};
struct tty_term {
char *name;
TERMINAL *term;
u_int references;
#define TERM_HASDEFAULTS 0x1
#define TERM_256COLOURS 0x2
int flags;
TAILQ_ENTRY(tty_term) entry;
};
struct tty {
char *path;
char *termname;
struct tty_term *term;
int fd;
struct buffer *in;
struct buffer *out;
int log_fd;
struct termios tio;
struct grid_cell cell;
u_char acs[UCHAR_MAX + 1];
#define TTY_NOCURSOR 0x1
#define TTY_FREEZE 0x2
#define TTY_ESCAPE 0x4
#define TTY_UTF8 0x8
int flags;
int term_flags;
struct timeval key_timer;
size_t ksize; /* maximum key size */
RB_HEAD(tty_keys, tty_key) ktree;
};
/* Client connection. */
struct client {
int fd;
struct buffer *in;
struct buffer *out;
char *title;
struct tty tty;
struct timeval status_timer;
u_int sx;
u_int sy;
#define CLIENT_TERMINAL 0x1
#define CLIENT_PREFIX 0x2
#define CLIENT_MOUSE 0x4
#define CLIENT_REDRAW 0x8
#define CLIENT_STATUS 0x10
int flags;
char *message_string;
struct timeval message_timer;
char *prompt_string;
char *prompt_buffer;
size_t prompt_index;
void (*prompt_callback)(void *, char *);
void *prompt_data;
struct session *session;
};
ARRAY_DECL(clients, struct client *);
/* Client context. */
struct client_ctx {
int srv_fd;
struct buffer *srv_in;
struct buffer *srv_out;
#define CCTX_DETACH 0x1
#define CCTX_EXIT 0x2
int flags;
};
/* Key/command line command. */
struct cmd_ctx {
struct client *cmdclient;
struct client *curclient;
struct session *cursession;
struct msg_command_data *msgdata;
void (*print)(struct cmd_ctx *, const char *, ...);
void (*info)(struct cmd_ctx *, const char *, ...);
void (*error)(struct cmd_ctx *, const char *, ...);
};
struct cmd {
const struct cmd_entry *entry;
void *data;
};
struct cmd_entry {
const char *name;
const char *alias;
const char *usage;
#define CMD_STARTSERVER 0x1
#define CMD_CANTNEST 0x2
#define CMD_KFLAG 0x4
#define CMD_DFLAG 0x8
#define CMD_ONEARG 0x10
#define CMD_ZEROONEARG 0x20
int flags;
void (*init)(struct cmd *, int);
int (*parse)(struct cmd *, int, char **, char **);
void (*exec)(struct cmd *, struct cmd_ctx *);
void (*send)(struct cmd *, struct buffer *);
void (*recv)(struct cmd *, struct buffer *);
void (*free)(struct cmd *);
void (*print)(struct cmd *, char *, size_t);
};
/* Generic command data. */
struct cmd_target_data {
int flags;
char *target;
char *arg;
};
struct cmd_srcdst_data {
int flags;
char *src;
char *dst;
char *arg;
};
struct cmd_buffer_data {
int flags;
char *target;
int buffer;
char *arg;
};
/* Key binding. */
struct binding {
int key;
struct cmd *cmd;
};
ARRAY_DECL(bindings, struct binding *);
/* Set/display option data. */
struct set_option_entry {
const char *name;
enum {
SET_OPTION_STRING,
SET_OPTION_NUMBER,
SET_OPTION_KEY,
SET_OPTION_COLOUR,
SET_OPTION_FLAG,
SET_OPTION_CHOICE
} type;
u_int minimum;
u_int maximum;
const char **choices;
};
extern const struct set_option_entry set_option_table[];
#define NSETOPTION 15
/* Edit keys. */
enum mode_key {
MODEKEY_BOL,
MODEKEY_CLEARSEL,
MODEKEY_COPYSEL,
MODEKEY_DOWN,
MODEKEY_EOL,
MODEKEY_LEFT,
MODEKEY_NONE,
MODEKEY_NPAGE,
MODEKEY_NWORD,
MODEKEY_PPAGE,
MODEKEY_PWORD,
MODEKEY_QUIT,
MODEKEY_RIGHT,
MODEKEY_STARTSEL,
MODEKEY_UP,
};
#define MODEKEY_EMACS 0
#define MODEKEY_VI 1
#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
#ifdef NO_DAEMON
/* daemon.c */
int daemon(int, int);
#endif
#ifdef NO_FORKPTY
/* forkpty.c */
pid_t forkpty(int *, char *, struct termios *, struct winsize *);
#endif
#ifdef NO_ASPRINTF
/* asprintf.c */
int asprintf(char **, const char *, ...);
int vasprintf(char **, const char *, va_list);
#endif
#ifdef NO_FGETLN
/* fgetln.c */
char *fgetln(FILE *, size_t *);
#endif
/* tmux.c */
extern volatile sig_atomic_t sigwinch;
extern volatile sig_atomic_t sigterm;
extern struct options global_options;
extern char *cfg_file;
extern int debug_level;
extern int be_quiet;
void logfile(const char *);
void siginit(void);
void sigreset(void);
/* cfg.c */
int load_cfg(const char *, char **x);
/* mode-key.c */
enum mode_key mode_key_lookup(int, int);
/* options.c */
int options_cmp(struct options_entry *, struct options_entry *);
SPLAY_PROTOTYPE(options_tree, options_entry, entry, options_cmp);
void options_init(struct options *, struct options *);
void options_free(struct options *);
struct options_entry *options_find1(struct options *, const char *);
struct options_entry *options_find(struct options *, const char *);
void printflike3 options_set_string(
struct options *, const char *, const char *, ...);
char *options_get_string(struct options *, const char *);
void options_set_number(struct options *, const char *, long long);
long long options_get_number(struct options *, const char *);
/* tty.c */
void tty_init(struct tty *, char *, char *);
void tty_set_title(struct tty *, const char *);
int tty_open(struct tty *, char **);
void tty_close(struct tty *);
void tty_free(struct tty *);
void tty_vwrite(struct tty *, struct screen *s, int, va_list);
/* tty-keys.c */
int tty_keys_cmp(struct tty_key *, struct tty_key *);
RB_PROTOTYPE(tty_keys, tty_key, entry, tty_keys_cmp);
void tty_keys_init(struct tty *);
void tty_keys_free(struct tty *);
int tty_keys_next(struct tty *, int *);
/* tty-write.c */
void tty_write_client(void *, int, ...);
void tty_vwrite_client(void *, int, va_list);
void tty_write_window(void *, int, ...);
void tty_vwrite_window(void *, int, va_list);
void tty_write_session(void *, int, ...);
void tty_vwrite_session(void *, int, va_list);
/* paste.c */
void paste_init_stack(struct paste_stack *);
void paste_free_stack(struct paste_stack *);
struct paste_buffer *paste_walk_stack(struct paste_stack *, uint *);
struct paste_buffer *paste_get_top(struct paste_stack *);
struct paste_buffer *paste_get_index(struct paste_stack *, u_int);
int paste_free_top(struct paste_stack *);
int paste_free_index(struct paste_stack *, u_int);
void paste_add(struct paste_stack *, const char *, u_int);
int paste_replace(struct paste_stack *, u_int, const char *);
/* arg.c */
struct client *arg_parse_client(const char *);
struct session *arg_parse_session(const char *);
int arg_parse_window(const char *, struct session **, int *);
/* cmd.c */
char *cmd_complete(const char *);
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 *);
struct session *cmd_current_session(struct cmd_ctx *);
struct client *cmd_find_client(struct cmd_ctx *, const char *);
struct session *cmd_find_session(struct cmd_ctx *, const char *);
struct winlink *cmd_find_window(
struct cmd_ctx *, const char *, struct session **);
extern const struct cmd_entry *cmd_table[];
extern const struct cmd_entry cmd_attach_session_entry;
extern const struct cmd_entry cmd_bind_key_entry;
extern const struct cmd_entry cmd_command_prompt_entry;
extern const struct cmd_entry cmd_copy_mode_entry;
extern const struct cmd_entry cmd_delete_buffer_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_server_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_buffers_entry;
extern const struct cmd_entry cmd_list_clients_entry;
extern const struct cmd_entry cmd_list_commands_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_move_window_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_respawn_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_keys_entry;
extern const struct cmd_entry cmd_send_prefix_entry;
extern const struct cmd_entry cmd_select_prompt_entry;
extern const struct cmd_entry cmd_set_buffer_entry;
extern const struct cmd_entry cmd_set_option_entry;
extern const struct cmd_entry cmd_set_window_option_entry;
extern const struct cmd_entry cmd_show_buffer_entry;
extern const struct cmd_entry cmd_show_options_entry;
extern const struct cmd_entry cmd_show_window_options_entry;
extern const struct cmd_entry cmd_start_server_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;
/* cmd-string.c */
int cmd_string_parse(const char *, struct cmd **, char **);
/* cmd-generic.c */
#define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
#define CMD_TARGET_SESSION_USAGE "[-t target-session]"
#define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
void cmd_target_init(struct cmd *, int);
int cmd_target_parse(struct cmd *, int, char **, char **);
void cmd_target_exec(struct cmd *, struct cmd_ctx *);
void cmd_target_send(struct cmd *, struct buffer *);
void cmd_target_recv(struct cmd *, struct buffer *);
void cmd_target_free(struct cmd *);
void cmd_target_print(struct cmd *, char *, size_t);
#define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
#define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
#define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
void cmd_srcdst_init(struct cmd *, int);
int cmd_srcdst_parse(struct cmd *, int, char **, char **);
void cmd_srcdst_exec(struct cmd *, struct cmd_ctx *);
void cmd_srcdst_send(struct cmd *, struct buffer *);
void cmd_srcdst_recv(struct cmd *, struct buffer *);
void cmd_srcdst_free(struct cmd *);
void cmd_srcdst_print(struct cmd *, char *, size_t);
#define CMD_BUFFER_WINDOW_USAGE "[-b buffer-index] [-t target-window]"
#define CMD_BUFFER_SESSION_USAGE "[-b buffer-index] [-t target-session]"
#define CMD_BUFFER_CLIENT_USAGE "[-b buffer-index] [-t target-client]"
void cmd_buffer_init(struct cmd *, int);
int cmd_buffer_parse(struct cmd *, int, char **, char **);
void cmd_buffer_exec(struct cmd *, struct cmd_ctx *);
void cmd_buffer_send(struct cmd *, struct buffer *);
void cmd_buffer_recv(struct cmd *, struct buffer *);
void cmd_buffer_free(struct cmd *);
void cmd_buffer_print(struct cmd *, char *, size_t);
/* client.c */
int client_init(const char *, struct client_ctx *, int, 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 *);
void printflike2 key_bindings_error(struct cmd_ctx *, const char *, ...);
void printflike2 key_bindings_print(struct cmd_ctx *, const char *, ...);
void printflike2 key_bindings_info(struct cmd_ctx *, const char *, ...);
/* 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 */
void server_set_client_message(struct client *, const char *);
void server_clear_client_message(struct client *);
void server_set_client_prompt(
struct client *, const char *, void (*)(void *, char *), void *);
void server_clear_client_prompt(struct client *);
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(
struct window *, enum hdrtype, const void *, size_t);
void server_redraw_client(struct client *);
void server_status_client(struct client *);
void server_redraw_session(struct session *);
void server_status_session(struct session *);
void server_redraw_window(struct window *);
void server_status_window(struct window *);
/* status.c */
void status_redraw(struct client *);
void status_message_redraw(struct client *);
void status_prompt_redraw(struct client *);
void status_prompt_key(struct client *, int);
/* resize.c */
void recalculate_sizes(void);
/* input.c */
void input_init(struct window *);
void input_free(struct window *);
void input_parse(struct window *);
/* input-key.c */
void input_key(struct window *, int);
/* colour.c */
const char *colour_tostring(u_char);
u_char colour_fromstring(const char *);
/* grid.c */
extern const struct grid_cell grid_default_cell;
struct grid_data *grid_create(u_int, u_int, u_int);
void grid_destroy(struct grid_data *);
void grid_reduce_line(struct grid_data *, u_int, u_int);
void grid_expand_line(struct grid_data *, u_int, u_int);
void grid_scroll_line(struct grid_data *);
const struct grid_cell *grid_peek_cell(struct grid_data *, u_int, u_int);
struct grid_cell *grid_get_cell(struct grid_data *, u_int, u_int);
void grid_set_cell(
struct grid_data *, u_int, u_int, const struct grid_cell *);
void grid_clear(struct grid_data *, u_int, u_int, u_int, u_int);
void grid_fill(struct grid_data *,
const struct grid_cell *, u_int, u_int, u_int, u_int);
void grid_fill_lines(
struct grid_data *, const struct grid_cell *, u_int, u_int);
void grid_clear_lines(struct grid_data *, u_int, u_int);
void grid_move_lines(struct grid_data *, u_int, u_int, u_int);
void grid_clear_cells(struct grid_data *, u_int, u_int, u_int);
void grid_move_cells(struct grid_data *, u_int, u_int, u_int, u_int);
/* grid-view.c */
const struct grid_cell *grid_view_peek_cell(struct grid_data *, u_int, u_int);
struct grid_cell *grid_view_get_cell(struct grid_data *, u_int, u_int);
void grid_view_set_cell(
struct grid_data *, u_int, u_int, const struct grid_cell *);
void grid_view_clear(struct grid_data *, u_int, u_int, u_int, u_int);
void grid_view_fill(struct grid_data *,
const struct grid_cell *, u_int, u_int, u_int, u_int);
void grid_view_scroll_region_up(struct grid_data *, u_int, u_int);
void grid_view_scroll_region_down(struct grid_data *, u_int, u_int);
void grid_view_insert_lines(struct grid_data *, u_int, u_int);
void grid_view_insert_lines_region(
struct grid_data *, u_int, u_int, u_int, u_int);
void grid_view_delete_lines(struct grid_data *, u_int, u_int);
void grid_view_delete_lines_region(
struct grid_data *, u_int, u_int, u_int, u_int);
void grid_view_insert_cells(struct grid_data *, u_int, u_int, u_int);
void grid_view_delete_cells(struct grid_data *, u_int, u_int, u_int);
/* screen-write.c */
void screen_write_start_window(struct screen_write_ctx *, struct window *);
void screen_write_start_client(struct screen_write_ctx *, struct client *);
void screen_write_start_session(
struct screen_write_ctx *, struct session *);
void screen_write_start(struct screen_write_ctx *,
struct screen *, void (*)(void *, int, ...), void *);
void screen_write_stop(struct screen_write_ctx *);
void printflike3 screen_write_puts(
struct screen_write_ctx *, struct grid_cell *, const char *, ...);
void screen_write_putc(
struct screen_write_ctx *, struct grid_cell *, u_char);
void screen_write_copy(struct screen_write_ctx *,
struct screen *, u_int, u_int, u_int, u_int);
void screen_write_cursorup(struct screen_write_ctx *, u_int);
void screen_write_cursordown(struct screen_write_ctx *, u_int);
void screen_write_cursorright(struct screen_write_ctx *, u_int);
void screen_write_cursorleft(struct screen_write_ctx *, u_int);
void screen_write_insertcharacter(struct screen_write_ctx *, u_int);
void screen_write_deletecharacter(struct screen_write_ctx *, u_int);
void screen_write_insertline(struct screen_write_ctx *, u_int);
void screen_write_deleteline(struct screen_write_ctx *, u_int);
void screen_write_clearline(struct screen_write_ctx *);
void screen_write_clearendofline(struct screen_write_ctx *);
void screen_write_clearstartofline(struct screen_write_ctx *);
void screen_write_cursormove(struct screen_write_ctx *, u_int, u_int);
void screen_write_cursormode(struct screen_write_ctx *, int);
void screen_write_reverseindex(struct screen_write_ctx *);
void screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
void screen_write_insertmode(struct screen_write_ctx *, int);
void screen_write_mousemode(struct screen_write_ctx *, int);
void screen_write_linefeed(struct screen_write_ctx *);
void screen_write_carriagereturn(struct screen_write_ctx *);
void screen_write_kcursormode(struct screen_write_ctx *, int);
void screen_write_kkeypadmode(struct screen_write_ctx *, int);
void screen_write_clearendofscreen(struct screen_write_ctx *);
void screen_write_clearstartofscreen(struct screen_write_ctx *);
void screen_write_clearscreen(struct screen_write_ctx *);
void screen_write_cell(struct screen_write_ctx *, const struct grid_cell *);
/* screen-redraw.c */
void screen_redraw_start_window(struct screen_redraw_ctx *, struct window *);
void screen_redraw_start_client(struct screen_redraw_ctx *, struct client *);
void screen_redraw_start_session(
struct screen_redraw_ctx *, struct session *);
void screen_redraw_start(struct screen_redraw_ctx *,
struct screen *, void (*)(void *, int, ...), void *);
void screen_redraw_stop(struct screen_redraw_ctx *);
void printflike3 screen_redraw_puts(
struct screen_redraw_ctx *, struct grid_cell *, const char *, ...);
void screen_redraw_putc(
struct screen_redraw_ctx *, struct grid_cell *, u_char);
void screen_redraw_cell(struct screen_redraw_ctx *, u_int, u_int);
void screen_redraw_lines(struct screen_redraw_ctx *, u_int, u_int);
void screen_redraw_columns(struct screen_redraw_ctx *, u_int, u_int);
/* screen.c */
void screen_init(struct screen *, u_int, u_int, u_int);
void screen_reinit(struct screen *);
void screen_free(struct screen *);
void screen_set_title(struct screen *, const char *);
void screen_resize(struct screen *, u_int, u_int);
void screen_set_selection(struct screen *, u_int, u_int, u_int, u_int);
void screen_clear_selection(struct screen *);
int screen_check_selection(struct screen *, u_int, u_int);
void screen_display_copy_area(struct screen *, struct screen *,
u_int, u_int, u_int, u_int, u_int, u_int);
/* 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, u_int);
int window_spawn(struct window *, const char *, const char **);
void window_destroy(struct window *);
int window_resize(struct window *, u_int, u_int);
int window_set_mode(struct window *, const struct window_mode *);
void window_reset_mode(struct window *);
void window_parse(struct window *);
void window_key(struct window *, struct client *, 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_alert_add(struct session *, struct window *, int);
void session_alert_cancel(struct session *, struct winlink *);
int session_alert_has(struct session *, struct winlink *, int);
int session_alert_has_window(struct session *, struct window *, int);
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 *);
/* utf8.c */
u_int utf8_combine(const u_char [4]);
void utf8_split(u_int, u_char [4]);
int utf8_width(u_int);
/* 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);
void buffer_write8(struct buffer *, uint8_t);
void buffer_write16(struct buffer *, uint16_t);
uint8_t buffer_read8(struct buffer *);
uint16_t buffer_read16(struct buffer *);
/* buffer-poll.c */
void buffer_set(
struct pollfd *, int, struct buffer *, struct buffer *);
int buffer_poll(struct pollfd *, struct buffer *, struct buffer *);
void buffer_flush(int, struct buffer *n, struct buffer *);
/* log.c */
#define LOG_FACILITY LOG_DAEMON
void log_open_syslog(int);
void log_open_tty(int);
void log_open_file(int, const char *);
void log_close(void);
void log_vwrite(int, const char *, va_list);
void log_write(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 */
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