mirror of
https://github.com/tmux/tmux.git
synced 2024-11-05 10:28:48 +00:00
2bd39071d3
Emulate the ri (reverse index) capability: this allows tmux to at least start on Sun consoles (TERM=sun or sun-color), even if there appear to still be problems on some boxes (my Blade 100 is fine but edd's Blade 1000 shows odd screen corruption).
498 lines
14 KiB
C
498 lines
14 KiB
C
/* $Id: tty-term.c,v 1.36 2009-11-13 16:57:21 tcunha Exp $ */
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/*
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* Copyright (c) 2008 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 <curses.h>
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#include <fnmatch.h>
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#include <stdlib.h>
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#include <string.h>
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#include <term.h>
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#include "tmux.h"
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void tty_term_override(struct tty_term *, const char *);
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char *tty_term_strip(const char *);
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struct tty_terms tty_terms = SLIST_HEAD_INITIALIZER(tty_terms);
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struct tty_term_code_entry tty_term_codes[NTTYCODE] = {
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{ TTYC_ACSC, TTYCODE_STRING, "acsc" },
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{ TTYC_AX, TTYCODE_FLAG, "AX" },
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{ TTYC_BEL, TTYCODE_STRING, "bel" },
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{ TTYC_BLINK, TTYCODE_STRING, "blink" },
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{ TTYC_BOLD, TTYCODE_STRING, "bold" },
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{ TTYC_CIVIS, TTYCODE_STRING, "civis" },
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{ TTYC_CLEAR, TTYCODE_STRING, "clear" },
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{ TTYC_CNORM, TTYCODE_STRING, "cnorm" },
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{ TTYC_COLORS, TTYCODE_NUMBER, "colors" },
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{ TTYC_CSR, TTYCODE_STRING, "csr" },
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{ TTYC_CUB, TTYCODE_STRING, "cub" },
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{ TTYC_CUB1, TTYCODE_STRING, "cub1" },
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{ TTYC_CUD, TTYCODE_STRING, "cud" },
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{ TTYC_CUD1, TTYCODE_STRING, "cud1" },
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{ TTYC_CUF, TTYCODE_STRING, "cuf" },
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{ TTYC_CUF1, TTYCODE_STRING, "cuf1" },
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{ TTYC_CUP, TTYCODE_STRING, "cup" },
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{ TTYC_CUU, TTYCODE_STRING, "cuu" },
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{ TTYC_CUU1, TTYCODE_STRING, "cuu1" },
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{ TTYC_DCH, TTYCODE_STRING, "dch" },
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{ TTYC_DCH1, TTYCODE_STRING, "dch1" },
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{ TTYC_DIM, TTYCODE_STRING, "dim" },
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{ TTYC_DL, TTYCODE_STRING, "dl" },
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{ TTYC_DL1, TTYCODE_STRING, "dl1" },
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{ TTYC_EL, TTYCODE_STRING, "el" },
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{ TTYC_EL1, TTYCODE_STRING, "el1" },
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{ TTYC_ENACS, TTYCODE_STRING, "enacs" },
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{ TTYC_HOME, TTYCODE_STRING, "home" },
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{ TTYC_HPA, TTYCODE_STRING, "hpa" },
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{ TTYC_ICH, TTYCODE_STRING, "ich" },
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{ TTYC_ICH1, TTYCODE_STRING, "ich1" },
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{ TTYC_IL, TTYCODE_STRING, "il" },
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{ TTYC_IL1, TTYCODE_STRING, "il1" },
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{ TTYC_INVIS, TTYCODE_STRING, "invis" },
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{ TTYC_IS1, TTYCODE_STRING, "is1" },
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{ TTYC_IS2, TTYCODE_STRING, "is2" },
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{ TTYC_IS3, TTYCODE_STRING, "is3" },
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{ TTYC_KCBT, TTYCODE_STRING, "kcbt" },
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{ TTYC_KCUB1, TTYCODE_STRING, "kcub1" },
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{ TTYC_KCUD1, TTYCODE_STRING, "kcud1" },
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{ TTYC_KCUF1, TTYCODE_STRING, "kcuf1" },
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{ TTYC_KCUU1, TTYCODE_STRING, "kcuu1" },
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{ TTYC_KDC2, TTYCODE_STRING, "kDC" },
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{ TTYC_KDC3, TTYCODE_STRING, "kDC3" },
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{ TTYC_KDC4, TTYCODE_STRING, "kDC4" },
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{ TTYC_KDC5, TTYCODE_STRING, "kDC5" },
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{ TTYC_KDC6, TTYCODE_STRING, "kDC6" },
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{ TTYC_KDC7, TTYCODE_STRING, "kDC7" },
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{ TTYC_KDCH1, TTYCODE_STRING, "kdch1" },
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{ TTYC_KDN2, TTYCODE_STRING, "kDN" },
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{ TTYC_KDN3, TTYCODE_STRING, "kDN3" },
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{ TTYC_KDN4, TTYCODE_STRING, "kDN4" },
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{ TTYC_KDN5, TTYCODE_STRING, "kDN5" },
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{ TTYC_KDN6, TTYCODE_STRING, "kDN6" },
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{ TTYC_KDN7, TTYCODE_STRING, "kDN7" },
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{ TTYC_KEND, TTYCODE_STRING, "kend" },
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{ TTYC_KEND2, TTYCODE_STRING, "kEND" },
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{ TTYC_KEND3, TTYCODE_STRING, "kEND3" },
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{ TTYC_KEND4, TTYCODE_STRING, "kEND4" },
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{ TTYC_KEND5, TTYCODE_STRING, "kEND5" },
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{ TTYC_KEND6, TTYCODE_STRING, "kEND6" },
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{ TTYC_KEND7, TTYCODE_STRING, "kEND7" },
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{ TTYC_KF1, TTYCODE_STRING, "kf1" },
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{ TTYC_KF10, TTYCODE_STRING, "kf10" },
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{ TTYC_KF11, TTYCODE_STRING, "kf11" },
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{ TTYC_KF12, TTYCODE_STRING, "kf12" },
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{ TTYC_KF13, TTYCODE_STRING, "kf13" },
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{ TTYC_KF14, TTYCODE_STRING, "kf14" },
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{ TTYC_KF15, TTYCODE_STRING, "kf15" },
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{ TTYC_KF16, TTYCODE_STRING, "kf16" },
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{ TTYC_KF17, TTYCODE_STRING, "kf17" },
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{ TTYC_KF18, TTYCODE_STRING, "kf18" },
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{ TTYC_KF19, TTYCODE_STRING, "kf19" },
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{ TTYC_KF2, TTYCODE_STRING, "kf2" },
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{ TTYC_KF20, TTYCODE_STRING, "kf20" },
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{ TTYC_KF3, TTYCODE_STRING, "kf3" },
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{ TTYC_KF4, TTYCODE_STRING, "kf4" },
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{ TTYC_KF5, TTYCODE_STRING, "kf5" },
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{ TTYC_KF6, TTYCODE_STRING, "kf6" },
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{ TTYC_KF7, TTYCODE_STRING, "kf7" },
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{ TTYC_KF8, TTYCODE_STRING, "kf8" },
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{ TTYC_KF9, TTYCODE_STRING, "kf9" },
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{ TTYC_KHOM2, TTYCODE_STRING, "kHOM" },
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{ TTYC_KHOM3, TTYCODE_STRING, "kHOM3" },
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{ TTYC_KHOM4, TTYCODE_STRING, "kHOM4" },
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{ TTYC_KHOM5, TTYCODE_STRING, "kHOM5" },
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{ TTYC_KHOM6, TTYCODE_STRING, "kHOM6" },
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{ TTYC_KHOM7, TTYCODE_STRING, "kHOM7" },
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{ TTYC_KHOME, TTYCODE_STRING, "khome" },
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{ TTYC_KIC2, TTYCODE_STRING, "kIC" },
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{ TTYC_KIC3, TTYCODE_STRING, "kIC3" },
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{ TTYC_KIC4, TTYCODE_STRING, "kIC4" },
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{ TTYC_KIC5, TTYCODE_STRING, "kIC5" },
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{ TTYC_KIC6, TTYCODE_STRING, "kIC6" },
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{ TTYC_KIC7, TTYCODE_STRING, "kIC7" },
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{ TTYC_KICH1, TTYCODE_STRING, "kich1" },
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{ TTYC_KLFT2, TTYCODE_STRING, "kLFT" },
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{ TTYC_KLFT3, TTYCODE_STRING, "kLFT3" },
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{ TTYC_KLFT4, TTYCODE_STRING, "kLFT4" },
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{ TTYC_KLFT5, TTYCODE_STRING, "kLFT5" },
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{ TTYC_KLFT6, TTYCODE_STRING, "kLFT6" },
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{ TTYC_KLFT7, TTYCODE_STRING, "kLFT7" },
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{ TTYC_KMOUS, TTYCODE_STRING, "kmous" },
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{ TTYC_KNP, TTYCODE_STRING, "knp" },
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{ TTYC_KNXT2, TTYCODE_STRING, "kNXT" },
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{ TTYC_KNXT3, TTYCODE_STRING, "kNXT3" },
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{ TTYC_KNXT4, TTYCODE_STRING, "kNXT4" },
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{ TTYC_KNXT5, TTYCODE_STRING, "kNXT5" },
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{ TTYC_KNXT6, TTYCODE_STRING, "kNXT6" },
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{ TTYC_KNXT7, TTYCODE_STRING, "kNXT7" },
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{ TTYC_KPP, TTYCODE_STRING, "kpp" },
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{ TTYC_KPRV2, TTYCODE_STRING, "kPRV" },
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{ TTYC_KPRV3, TTYCODE_STRING, "kPRV3" },
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{ TTYC_KPRV4, TTYCODE_STRING, "kPRV4" },
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{ TTYC_KPRV5, TTYCODE_STRING, "kPRV5" },
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{ TTYC_KPRV6, TTYCODE_STRING, "kPRV6" },
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{ TTYC_KPRV7, TTYCODE_STRING, "kPRV7" },
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{ TTYC_KRIT2, TTYCODE_STRING, "kRIT" },
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{ TTYC_KRIT3, TTYCODE_STRING, "kRIT3" },
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{ TTYC_KRIT4, TTYCODE_STRING, "kRIT4" },
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{ TTYC_KRIT5, TTYCODE_STRING, "kRIT5" },
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{ TTYC_KRIT6, TTYCODE_STRING, "kRIT6" },
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{ TTYC_KRIT7, TTYCODE_STRING, "kRIT7" },
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{ TTYC_KUP2, TTYCODE_STRING, "kUP" },
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{ TTYC_KUP3, TTYCODE_STRING, "kUP3" },
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{ TTYC_KUP4, TTYCODE_STRING, "kUP4" },
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{ TTYC_KUP5, TTYCODE_STRING, "kUP5" },
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{ TTYC_KUP6, TTYCODE_STRING, "kUP6" },
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{ TTYC_KUP7, TTYCODE_STRING, "kUP7" },
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{ TTYC_OP, TTYCODE_STRING, "op" },
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{ TTYC_REV, TTYCODE_STRING, "rev" },
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{ TTYC_RI, TTYCODE_STRING, "ri" },
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{ TTYC_RMACS, TTYCODE_STRING, "rmacs" },
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{ TTYC_RMCUP, TTYCODE_STRING, "rmcup" },
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{ TTYC_RMIR, TTYCODE_STRING, "rmir" },
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{ TTYC_RMKX, TTYCODE_STRING, "rmkx" },
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{ TTYC_SETAB, TTYCODE_STRING, "setab" },
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{ TTYC_SETAF, TTYCODE_STRING, "setaf" },
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{ TTYC_SGR0, TTYCODE_STRING, "sgr0" },
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{ TTYC_SMACS, TTYCODE_STRING, "smacs" },
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{ TTYC_SMCUP, TTYCODE_STRING, "smcup" },
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{ TTYC_SMIR, TTYCODE_STRING, "smir" },
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{ TTYC_SMKX, TTYCODE_STRING, "smkx" },
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{ TTYC_SMSO, TTYCODE_STRING, "smso" },
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{ TTYC_SMUL, TTYCODE_STRING, "smul" },
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{ TTYC_VPA, TTYCODE_STRING, "vpa" },
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{ TTYC_XENL, TTYCODE_FLAG, "xenl" },
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};
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char *
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tty_term_strip(const char *s)
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{
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const char *ptr;
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static char buf[BUFSIZ];
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size_t len;
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/* Ignore strings with no padding. */
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if (strchr(s, '$') == NULL)
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return (xstrdup(s));
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len = 0;
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for (ptr = s; *ptr != '\0'; ptr++) {
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if (*ptr == '$' && *(ptr + 1) == '<') {
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while (*ptr != '\0' && *ptr != '>')
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ptr++;
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if (*ptr == '>')
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ptr++;
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}
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buf[len++] = *ptr;
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if (len == (sizeof buf) - 1)
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break;
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}
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buf[len] = '\0';
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return (xstrdup(buf));
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}
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void
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tty_term_override(struct tty_term *term, const char *overrides)
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{
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struct tty_term_code_entry *ent;
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struct tty_code *code;
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char *termnext, *termstr, *entnext, *entstr;
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char *s, *ptr, *val;
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const char *errstr;
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u_int i;
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int n, removeflag;
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s = xstrdup(overrides);
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termnext = s;
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while ((termstr = strsep(&termnext, ",")) != NULL) {
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entnext = termstr;
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entstr = strsep(&entnext, ":");
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if (entstr == NULL || entnext == NULL)
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continue;
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if (fnmatch(entstr, term->name, 0) != 0)
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continue;
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while ((entstr = strsep(&entnext, ":")) != NULL) {
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if (*entstr == '\0')
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continue;
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val = NULL;
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removeflag = 0;
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if ((ptr = strchr(entstr, '=')) != NULL) {
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*ptr++ = '\0';
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val = xstrdup(ptr);
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if (strunvis(val, ptr) == -1) {
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xfree(val);
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val = xstrdup(ptr);
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}
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} else if (entstr[strlen(entstr) - 1] == '@') {
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entstr[strlen(entstr) - 1] = '\0';
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removeflag = 1;
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}
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for (i = 0; i < NTTYCODE; i++) {
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ent = &tty_term_codes[i];
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if (strcmp(entstr, ent->name) != 0)
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continue;
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code = &term->codes[ent->code];
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if (removeflag) {
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code->type = TTYCODE_NONE;
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continue;
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}
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switch (ent->type) {
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case TTYCODE_NONE:
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break;
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case TTYCODE_STRING:
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if (code->type == TTYCODE_STRING)
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xfree(code->value.string);
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code->value.string = xstrdup(val);
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code->type = ent->type;
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break;
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case TTYCODE_NUMBER:
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n = strtonum(val, 0, INT_MAX, &errstr);
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if (errstr != NULL)
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break;
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code->value.number = n;
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code->type = ent->type;
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break;
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case TTYCODE_FLAG:
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code->value.flag = 1;
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code->type = ent->type;
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break;
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}
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}
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if (val != NULL)
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xfree(val);
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}
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}
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xfree(s);
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}
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struct tty_term *
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tty_term_find(char *name, int fd, const char *overrides, char **cause)
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{
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struct tty_term *term;
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struct tty_term_code_entry *ent;
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struct tty_code *code;
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u_int i;
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int n, error;
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char *s;
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SLIST_FOREACH(term, &tty_terms, entry) {
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if (strcmp(term->name, name) == 0) {
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term->references++;
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return (term);
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}
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}
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log_debug("new term: %s", name);
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term = xmalloc(sizeof *term);
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term->name = xstrdup(name);
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term->references = 1;
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term->flags = 0;
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memset(&term->codes, 0, sizeof term->codes);
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SLIST_INSERT_HEAD(&tty_terms, term, entry);
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/* Set up curses terminal. */
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if (setupterm(name, fd, &error) != OK) {
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switch (error) {
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case 1:
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xasprintf(cause, "can't use hardcopy terminal: %s", name);
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break;
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case 0:
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xasprintf(cause, "missing or unsuitable terminal: %s", name);
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break;
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case -1:
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xasprintf(cause, "can't find terminfo database");
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break;
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default:
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xasprintf(cause, "unknown error");
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break;
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}
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goto error;
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}
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/* Fill in codes. */
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for (i = 0; i < NTTYCODE; i++) {
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ent = &tty_term_codes[i];
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code = &term->codes[ent->code];
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code->type = TTYCODE_NONE;
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switch (ent->type) {
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case TTYCODE_NONE:
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break;
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case TTYCODE_STRING:
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s = tigetstr((char *) ent->name);
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if (s == NULL || s == (char *) -1)
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break;
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code->type = TTYCODE_STRING;
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code->value.string = tty_term_strip(s);
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break;
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case TTYCODE_NUMBER:
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n = tigetnum((char *) ent->name);
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if (n == -1 || n == -2)
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break;
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code->type = TTYCODE_NUMBER;
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code->value.number = n;
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break;
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case TTYCODE_FLAG:
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n = tigetflag((char *) ent->name);
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if (n == -1)
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break;
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code->type = TTYCODE_FLAG;
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code->value.number = n;
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break;
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}
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}
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tty_term_override(term, overrides);
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/* Delete curses data. */
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del_curterm(cur_term);
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/* These are always required. */
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if (!tty_term_has(term, TTYC_CLEAR)) {
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xasprintf(cause, "terminal does not support clear");
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goto error;
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}
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if (!tty_term_has(term, TTYC_CUP)) {
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xasprintf(cause, "terminal does not support cup");
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goto error;
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}
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/* These can be emulated so one of the two is required. */
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if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
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xasprintf(cause, "terminal does not support cud1 or cud");
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goto error;
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}
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if (!tty_term_has(term, TTYC_IL1) && !tty_term_has(term, TTYC_IL)) {
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xasprintf(cause, "terminal does not support il1 or il");
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goto error;
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}
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if (!tty_term_has(term, TTYC_DL1) && !tty_term_has(term, TTYC_DL)) {
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xasprintf(cause, "terminal does not support dl1 or dl");
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goto error;
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}
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if (!tty_term_has(term, TTYC_ICH1) &&
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!tty_term_has(term, TTYC_ICH) && (!tty_term_has(term, TTYC_SMIR) ||
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!tty_term_has(term, TTYC_RMIR))) {
|
|
xasprintf(cause,
|
|
"terminal does not support ich1 or ich or smir and rmir");
|
|
goto error;
|
|
}
|
|
|
|
/* Figure out if we have 256 or 88 colours. */
|
|
if (tty_term_number(term, TTYC_COLORS) == 256)
|
|
term->flags |= TERM_256COLOURS;
|
|
if (tty_term_number(term, TTYC_COLORS) == 88)
|
|
term->flags |= TERM_88COLOURS;
|
|
|
|
/*
|
|
* Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
|
|
* rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
|
|
*
|
|
* This is irritating, most notably because it is impossible to write
|
|
* to the very bottom-right of the screen without scrolling.
|
|
*
|
|
* Flag the terminal here and apply some workarounds in other places to
|
|
* do the best possible.
|
|
*/
|
|
if (!tty_term_flag(term, TTYC_XENL))
|
|
term->flags |= TERM_EARLYWRAP;
|
|
|
|
return (term);
|
|
|
|
error:
|
|
tty_term_free(term);
|
|
return (NULL);
|
|
}
|
|
|
|
void
|
|
tty_term_free(struct tty_term *term)
|
|
{
|
|
u_int i;
|
|
|
|
if (--term->references != 0)
|
|
return;
|
|
|
|
SLIST_REMOVE(&tty_terms, term, tty_term, entry);
|
|
|
|
for (i = 0; i < NTTYCODE; i++) {
|
|
if (term->codes[i].type == TTYCODE_STRING)
|
|
xfree(term->codes[i].value.string);
|
|
}
|
|
xfree(term->name);
|
|
xfree(term);
|
|
}
|
|
|
|
int
|
|
tty_term_has(struct tty_term *term, enum tty_code_code code)
|
|
{
|
|
return (term->codes[code].type != TTYCODE_NONE);
|
|
}
|
|
|
|
const char *
|
|
tty_term_string(struct tty_term *term, enum tty_code_code code)
|
|
{
|
|
if (!tty_term_has(term, code))
|
|
return ("");
|
|
if (term->codes[code].type != TTYCODE_STRING)
|
|
log_fatalx("not a string: %d", code);
|
|
return (term->codes[code].value.string);
|
|
}
|
|
|
|
/* No vtparm. Fucking curses. */
|
|
const char *
|
|
tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
|
|
{
|
|
return (tparm((char *) tty_term_string(term, code), a, 0, 0, 0, 0, 0, 0, 0, 0));
|
|
}
|
|
|
|
const char *
|
|
tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
|
|
{
|
|
return (tparm((char *) tty_term_string(term, code), a, b, 0, 0, 0, 0, 0, 0, 0));
|
|
}
|
|
|
|
int
|
|
tty_term_number(struct tty_term *term, enum tty_code_code code)
|
|
{
|
|
if (!tty_term_has(term, code))
|
|
return (0);
|
|
if (term->codes[code].type != TTYCODE_NUMBER)
|
|
log_fatalx("not a number: %d", code);
|
|
return (term->codes[code].value.number);
|
|
}
|
|
|
|
int
|
|
tty_term_flag(struct tty_term *term, enum tty_code_code code)
|
|
{
|
|
if (!tty_term_has(term, code))
|
|
return (0);
|
|
if (term->codes[code].type != TTYCODE_FLAG)
|
|
log_fatalx("not a flag: %d", code);
|
|
return (term->codes[code].value.flag);
|
|
}
|