misc/magic

# $Id: magic,v 1.5 2023/09/23 23:37:26 tom Exp $
##############################################################################
# Copyright 2020,2023 Thomas E. Dickey                                       #
# Copyright 2015,2018 Free Software Foundation, Inc.                         #
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# DEALINGS IN THE SOFTWARE.                                                  #
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##############################################################################
# for reference, from file 5.30:
#------------------------------------------------------------------------------
# @File: terminfo,v 1.7 2016/03/17 21:02:29 christos Exp @
# terminfo:  file(1) magic for terminfo
#
# URL: https://invisible-island.net/ncurses/man/term.5.html
# URL: https://invisible-island.net/ncurses/man/scr_dump.5.html
#
# Workaround for Targa image type by Joerg Jenderek
# GRR: line below too general as it catches also
# Targa image type 1 with 26 long identification field
# and HELP.DSK
0	string		\032\001
# 5th character of terminal name list, but not Targa image pixel size (15 16 24 32)
>16	ubyte		>32
# namelist, if more than 1 separated by "|" like "st|stterm| simpleterm 0.4.1"
>>12	regex		\^[a-zA-Z0-9][a-zA-Z0-9.][^|]*	Compiled terminfo entry "%-s"
!:mime	application/x-terminfo
# no extension
#!:ext
#
#------------------------------------------------------------------------------
# The following was added for ncurses6 development:
#------------------------------------------------------------------------------
#
0	string		\036\002
# imitate the legacy compiled-format, to get the entry-name printed
>16	ubyte		>32
# namelist, if more than 1 separated by "|" like "st|stterm| simpleterm 0.4.1"
>>12	regex		\^[a-zA-Z0-9][a-zA-Z0-9.][^|]*	Compiled 32-bit terminfo entry "%-s"
!:mime	application/x-terminfo2
#
# While the compiled terminfo uses little-endian format irregardless of
# platform, System V screen dumps do not.  They came later, and that detail was
# overlooked.
#
# AIX and HPUX use the SVr4 big-endian format
# Solaris uses the SVr3 formats (sparc and x86 differ endian-ness)
0	beshort		0433 		SVr2 curses screen image, big-endian
0	beshort		0434		SVr3 curses screen image, big-endian
0	beshort		0435		SVr4 curses screen image, big-endian
#
0	leshort		0433		SVr2 curses screen image, little-endian
0	leshort		0434		SVr3 curses screen image, little-endian
0	leshort		0435		SVr4 curses screen image, little-endian
#
# Rather than SVr4, Solaris "xcurses" writes this header:
0	regex		\^MAX=[0-9]+,[0-9]+$
>1	regex		\^BEG=[0-9]+,[0-9]+$
>2	regex		\^SCROLL=[0-9]+,[0-9]+$
>3	regex		\^VMIN=[0-9]+$
>4	regex		\^VTIME=[0-9]+$
>5	regex		\^FLAGS=0x[[:xdigit:]]+$
>6	regex		\^FG=[0-9],[0-9]+$
>7	regex		\^BG=[0-9]+,[0-9]+,	Solaris xcurses screen image
#
# ncurses5 (and before) did not use a magic number, making screen dumps "data".
# ncurses6 (2015) uses this format, ignoring byte-order
0	string	\210\210\210\210ncurses	ncurses6 screen image
#
# PDCurses added this in 2005
0	string		PDC\001		PDCurses screen image