the build system intends (but fails) to do. This fixes "make package",
for instance, when tic needs to use a newly provided symbol.
This fix applies to fewer dynamic linkers than ${WRKSRC}/misc/shlib --
not the macOS dyld, for instance -- so making the provided script work
as intended will be more widely effective than this patch.
Don't try to handle obscure cases where certain parts of curses are builtin,
historically it has been shown to lead to failures and a growing list of
special cases. Just disable completely if native tbl(1) is not available.
Fixes latest issue seen by sjmulder on OpenIndiana.
Remove cargo-cult packages, only keep the ones for renaming the
form/menu/panel libraries to gnu*.
Handle (removing) terminfo symlink in Makefile instead of as a patch.
No functional change intended.
20200212 6.2 release for upload to ftp.gnu.org
+ update release notes
+ minor build-fixes, mostly to test-package scripts
20200208
+ modify check for sizeof(wchar_t) to ensure it gives useful result
when cross-compiling.
+ drop assumption in configure script that Cygwin's linker is broken.
+ define NCURSES_BROKEN_LINKER if the broken-linker feature is used,
to simplify configure-checks for ncurses-examples.
20200202
+ reassert copyright on ncurses, per discussion in ncurses FAQ:
https://invisible-island.net/ncurses/ncurses.faq.html#relicensed
20200201
+ modify comparison in make_hash.c to correct a special case in
collision handling for Caps-hpux11
+ add testing utility report_hashing to check hash-tables used for
terminfo and termcap names.
+ fix a missing prototype for _nc_free_and_exit().
+ update a few comments about tack 1.07
+ use an awk script to split too-long pathnames used in Ada95 sample
programs for explain.txt
20200118
+ expanded description of XM in user_caps.5
+ improve xm example for xterm+x11mouse, xterm+sm+1006 -TD
+ add history section to curs_slk.3x and curs_terminfo.3x manpages.
+ update alacritty entries for 0.4.0 (prompted by patch by
Christian Durr) -TD
+ correct spelling errors found with codespell.
+ fix for test/configure, from xterm #352.
20200111
+ improve configure macros which check for the X11/Intrinsic.h header,
to accommodate recent MacOS changes.
+ suppress gcc's -Winline warning; it has not been useful for some time
+ update config.guess, config.sub
20200104
+ modify a couple of macros in aclocal.m4 to allow autoconf 2.69 to
"work", to help illustrate discussion in
https://invisible-island.net/autoconf/my-autoconf.html
+ fix some warnings from autoheader-252
20191228
+ in gen-pkgconfig.in, move the RPATH_LIST and PRIVATE_LIBS assignments
past the various prefix/libdir assignments, to allow for using those
symbols, e.g., as done via CF_SHARED_OPTS.
+ improve ncurses*-config and pc-files by filtering out linker-specs.
+ modify test-package to more closely match Fedora's configuration
for PIE/PIC feature and debug-packages.
20191221
+ correct pathname used in Ada95 sample programs for explain.txt, to
work with test-packages.
+ improve tracemunch:
+ keep track of TERMINAL* values
+ if tracing was first turned on after initialization, attempt to
show distinct screen, window and terminal names anyway.
+ ensure that GCC_NORETURN is defined in term.h, because the prototype
for exit_terminfo() uses it (report by Werner Fink).
20191214
+ add exit_curses() and exit_terminfo() to replace internal symbols for
leak-checking.
20191207
+ fix a few warnings for test-package builds
+ add curses_trace(), to replace trace().
20191130
+ add portability section to curs_getcchar manpage (prompted by
discussion with Nick Black).
+ improve portability discussion of ACS characters in curs_addch
manpage.
+ improve typography for double-quotes in manpages.
20191123
+ fix typo for MinGW rpm test-package.
+ workaround in rpm specs for NFS problems in Fedora 31.
20191116
+ modify ncurses/Makefile.in to fix a case where Debian/testing changes
to the ld --as-needed configuration broke ncurses-examples test
packages.
+ drop library-dependency on psapi for MinGW port, since win_driver.c
defines PSAPI_VERSION to 2, making it use GetProcessImageFileName
from kernel32.dll (prompted by patch by Simon Sobish, cf: 20140503).
20191109
+ add warning-check in tic for terminals with parm_dch vs parm_ich.
+ drop ich1 from rxvt-basic, Eterm and mlterm to improve compatibility
with old non-curses programs -TD
+ reviewed st 0.8.2, updated some details -TD
+ use ansi+rep several places -TD
+ corrected tic's check for ich1 (report by Sebastian J. Bronner,
cf: 20020901).
20191102
+ check parameter of set_escdelay, return ERR if negative.
+ check parameter of set_tabsize, return ERR if not greater than zero
(report/patch by Anthony Sottile).
+ revise CF_ADD_LIBS macro to prepend rather than append libraries.
+ add "xterm-mono" to help packagers (report by Sven Joachim) -TD
20191026
+ add a note in man/curs_add_wch.3x about Unicode terminology for the
line-drawing characters (report by Nick Black).
+ improve comment in lib_tgoto.c regarding the use of \200 where a
\0 would be intended by the caller (report by "64 bit", cf: 20000923).
+ modify linux-16color to accommodate Linux console driver change in
early 2018 (report by Dino Petrucci).
20191019
+ modify make_hash to not require --disable-leaks, to simplify building
with address-sanitizer.
+ modify tic to exit if it cannot remove a conflicting name, because
treating that as a partial success can cause an infinite loop in
use-resolution (report/testcase by Hongxu Chen, cf: 20111001).
20191015
+ improve buffer-checks in captoinfo.c, for some cases when the
input string is shorter than expected.
> fix two errata in tic (report/testcases by Hongxu Chen):
+ check for missing character after backslash in write_it
+ check for missing characters after "%>" when converting from termcap
syntax (cf: 980530).
20191012
+ amend recent changes to ncurses*-config and pc-files to filter out
Debian linker-flags (report by Sven Joachim, cf: 20150516).
+ clarify relationship between tic, infocmp and captoinfo in manpage.
+ check for invalid hashcode in _nc_find_type_entry and
_nc_find_name_entry.
> fix several errata in tic (reports/testcases by "zjuchenyuan"):
+ check for invalid hashcode in _nc_find_entry.
+ check for missing character after backslash in fmt_entry
+ check for acsc with odd length in dump_entry in check for one-one
mapping (cf: 20060415);
+ check length when converting from old AIX box_chars_1 capability,
overlooked in changes to eliminate strcpy (cf: 20001007).
20191005
+ modify the ncurse*-config and pc-files to more closely match for the
-I and -l options.
20190928
+ amend the ncurses*-config and pc-files to take into account the rpath
hack which differed between those files.
+ improve -L option filtering in ncurses*-config
+ improve recovery from error when reading command-character in
test/ncurses.c, showing the relevant error message and not exiting on
EINTR (cf: 20180922)
20190921
+ add a note in resizeterm manpage about top-level windows which touch
the screen's borders.
+ modify configure-checks for gnat to identify each of the tools path
and version.
20190914
+ build-fixes for Ada95 configure-script and corresponding test package
20190907
+ add --with-ada-libname option and modify Ada95 configuration to
allow renaming the "AdaCurses" library (prompted by proposed changes
by Pascal Pignard).
+ modify configure script to distinguish gcc from icc and clang when
the --enable-warnings option is not used, to avoid unnecessary
warnings about unrecognized inline options (report by Sven Joachim).
20190831
+ build-fixes for configuration using --program-suffix with Ada95,
noticed with MacOS but applicable to other platforms without
libpanelw, etc.
20190824
+ fix some cppcheck warnings, mostly style, in ncurses test-programs.
20190817
+ amend 20181208 changes for wbkgd() and wbkgrnd(), fixing a few
details where it still differed from SVr4.
+ fix some cppcheck warnings, mostly style, in ncurses test-programs.
20190810
+ fix a few more coverity warnings.
20190803
+ improve loop limits in _nc_scroll_window() to handle a case where
the scrolled data is a pad which is taller than the window (patch
by Rob King).
+ amend the change to screen, because tmux relies upon that entry
and does not support that feature (Debian #933572) -TD
+ updated ms-terminal entry & notes -TD
+ updated kitty entry & notes -TD
+ updated alacritty+common entry & notes -TD
+ use xterm+sl-twm for consistency -TD
20190728
+ fix a few more coverity warnings.
+ more documentation updates based on tctest.
20190727
+ fix a few coverity warnings.
+ documentation updates based on tctest.
20190720
+ fix a few warnings for gcc 4.x
+ add some portability/historical details to the tic, toe and infocmp
manual pages.
+ correct fix for broken link from terminfo(5) to tabs(1) manpage
(report by Sven Joachim).
20190713
+ change reset's behavior for margins to simply clear soft-margins if
possible, rather than clearing and then setting them according to the
terminal's width (suggested by Thomas Wolff).
+ correct order of one wbkgd versus start_color call in test/padview.c
20190706
+ add domterm -TD
+ improve comments for recent changes, add alias xterm.js -TD
20190630
+ add --with-tic-path and --with-infocmp-path to work around problems
building fallback source using pre-6.0 tic/infocmp.
+ add a check in tic for paired indn/rin
+ correct a buffer-limit in write_entry.c for systems that use caseless
filenames.
+ add ms-terminal -TD
+ add vscode, vscode-direct -TD
20190623
+ improve the tabs.1 manual page to distinguish the PWB/Unix and 7th
Edition versions of the tabs utility.
+ add configure check for getenv() to work around implementation shown
in Emscripten #6766, use that to optionally suppress START_TRACE
macro, whose call to getenv() may not work properly (report by Ilya
Ig Petrov).
+ modify initialization functions to avoid relying upon persistent
data for the result from getenv().
+ update config.guess, config.sub
20190615
+ expand the portability section of the man/tabs.1 manual page.
+ regenerate HTML manpages.
20190609
+ add mintty, mintty-direct (adapted from patch by Thomas Wolff).
Some of the suggested user-defined capabilities are commented-out,
to allow builds with ncurses 5.9 and 6.0
+ add Smol/Rmol for tmux, vte-2018 (patch by Nicholas Marriott).
+ add rs1 to konsole, mlterm -TD
+ modify _nc_merge_entry() to make a copy of the data which it merges,
to avoid modifying the source-data when aligning extended names.
20190601
+ modify an internal call to vid_puts to pass extended color pairs
e.g., from tty_update.c and lib_mvcur.c (report by Niegodziwy Beru).
+ improve manual page description of init_tabs capability and TABSIZE
variable.
20190525
+ modify reset_cmd.c to allow for tabstops at intervals other than 8
(report by Vincent Huisman).
20190518
+ update xterm-new to xterm patch #345 -TD
+ add/use xterm+keypad in xterm-new (report by Alain D D Williams) -TD
+ update terminator entry -TD
+ remove hard-tabs from ti703 (report by Robert Clausecker)
+ mention meml/memu/box1 in user_caps manual page.
+ mention user_caps.5 in tic and infocmp manual pages.
20190511
+ fix a spurious blank line seen with "infocmp -1fx xterm+x11mouse"
+ add checks in repair_subwindows() to keep the current position and
scroll-margins inside the resized subwindow.
+ add a limit check in newline_forces_scroll() for the case where the
row is inside scroll-margins, but not at the end (report by Toshio
Kuratomi, cf: 20170729).
+ corrected a warning message in tic for extended capabilities versus
number of parameters.
20190504
+ improve workaround for Solaris wcwidth versus line-drawing characters
(report by Pavel Stehule).
+ add special case in tic to validate RGB string-capability extension.
+ corrected string/parameter-field for RGB in Caps-ncurses.
20190427
+ corrected problem in terminfo load/realignment which prevented
infocmp from comparing extended capabilities with the same name
but different types.
20190420
+ improve ifdef's for TABSIZE variable, to help with AIX/HPUX ports.
20190413
+ check for TABSIZE variable in test/configure script.
+ used test/test_arrays.c to improve Caps.aix1 and Caps.hpux11
+ corrected filtering of comments in MKparametrized.sh
+ reduce duplication across Caps* files by moving some parts which do
not depend on order into Caps-ncurses.
20190406
+ modify MKcaptab.sh, MKkey_defs.sh, and MKhashsize.sh to handle
split-up Caps-files.
+ build-fixes if extended-functions are disabled.
20190330
+ add "screen5", to mention italics (report by Stefan Assmann)
+ modify description of xterm+x11hilite to eliminate unused p5 -TD
+ add configure script checks to help with a port to Ultrix 3.1
(report by Dennis Grevenstein).
+ check if "b" binary feature of fopen works
+ check for missing feature of locale.h
+ add fallback for strstr() in test-programs
+ add fallback for STDOUT_FILENO in test-programs
+ update config.guess, config.sub
20190323
+ move macro for is_linetouched() inside NCURSES_NOMACROS ifndef.
+ corrected prototypes in several manpages using script to extract
those in compilable form.
+ use _nc_copy_termtype2() rather than direct assignment in setupterm,
in case it is called repeatedly using fallback terminfo descriptions
(report/patch by Werner Fink).
20190317
+ regenerate llib-* files.
+ modify tic to also use new function for user-defined capability info.
+ modify _nc_parse_entry() to check if a user-defined capability has
an unexpected type; ignore it in that case.
+ fix a special case of link-anchors in generated Ada html files.
+ use newer rel=author tag in generated html rather than rev=made,
which did not become accepted.
20190309
+ in-progress changes to add parameter-checking for common user-defined
capabilities in tic.
+ update MKcodes.awk and MKnames.awk to ignore the new "userdef"
data in Caps-ncurses (cf: 20190302).
20190302
+ corrected some of the undocumented terminfo names in Caps.hpux11
+ add "Caps-ncurses" file to help with checking inconsistencies in some
user-defined capabilities.
+ amend check for repeat_char to handle a case where setlocale() was
called after initscr() (report by "Ampera").
20190223
+ fix typo in adds200 -TD
+ add tic check for consistent alternate character set capabilities.
+ improve check in mvcur() to decide whether to use hard-tabs, using
xt, tbc and hts as clues.
+ replace check in reset command for obsolete "pt" capability using
tbc and hts capabilities as clues (report by Nicolas Marriott).
20190216
+ improve manual page description of TABSIZE.
+ add test/demo_tabs program.
20190209
+ add check in tic to provide warnings for mismatched number of
parameters in the documented user-capability extensions.
20190202
+ modify rpm test-package ".spec" file to work around naming conflict
with Redhat's package for ncurses6.
+ modify no-leaks code in test/picsmap to avoid non-standard tdestroy.
+ amend change to configure script which altered the top-level makefile
to avoid attempting to install the terminfo database when it was not
configured, to allow for installing the ".pc" files which are also
in the misc directory (report by Steve Wills).
20190126
+ change some "%define" statements in test-packages for RPMs to
"%global" to work around changes in rpm 4.14 from recent Redhat.
+ fixes for O_INPUT_FIELD extension (patch by Leon Winter).
+ eliminate fixed buffer-size when reading $TERMCAP variable.
+ correct logic in read_entry.c which prevented $TERMCAP variable from
being interpreted as a fallback to terminfo entry (prompted by
Savannah #54556, cf: 20110924).
20190121
+ add a check in test/configure to work around non-ncurses termcap.h
file in Slackware.
+ corrected flag for "seq" method of db 1.8.5 interface, needed by toe
on some of the BSDs.
+ updated "string-hacks" feature.
+ minor improvements to manpage typography.
+ corrected conditionally-compiled limit on color pairs (report by
"Hudd").
+ add -x option to test/pair_content, test/color_content for testing
init_extended_pair, extended_pair_content, init_extended_color,
extended_color_content
+ add -p option to test/pair_content, test/color_content to show the
return values from the tested functions.
+ improve manual page curs_color.3x discussion of error returns and
extensions.
+ add O_INPUT_FIELD extension to form library (patch by Leon Winter).
+ override/suppress --enable-db-install if --disable-database configure
option was given.
+ change a too-large terminal entry in tic from a fatal error to a
warning (prompted by discussion with Gabriele Balducci).
20190112
+ fix typo in term(5), improve explanation of format (report by Otto
Modinos).
+ add nsterm-direct -TD
+ use SGR 1006 mouse for konsole-base -TD
+ use SGR 1006 mouse for putty -TD
+ add ti703/ti707, ti703-w/ti707-w (Robert Clausecker)
20190105
+ add dummy "check" rule in top-level and test-Makefile to simply
building test-packages for Arch.
+ modify configure script to avoid conflict with a non-POSIX feature
that enables all parts of the system headers by default. Some
packagers have come to rely upon this behavior (FreeBSD #234049).
+ update config.guess, config.sub
20181229
+ improve man/curs_mouse.3x with regard to xterm
+ modify tracemunch to accept filename parameters in addition to use
as a pipe/filter.
+ minor optimization to reduce calls to _nc_reserve_pairs (prompted by
discussion with Bryan Christ).
+ add test/pair_content.c and test/color_content.c
+ modify infocmp to omit filtering of "OTxx" names which are used for
obsolete capabilities, when the output is sorted by long-names.
Doing this helps when making a table of the short/long capability
names.
20181215
+ several fixes for gcc8 strict compiler warnings.
+ fix a typo in comments (Aaron Gyes).
+ add nsterm-build309 to replace nsterm-256color, assigning the latter
as an alias of nsterm, to make mouse work with nsterm-256color -TD
+ base gnome-256color entry on "gnome", not "vte", for consistency -TD
+ updates for configure macros from work on tin and xterm:
+ CF_GNU_SOURCE, allow for Cygwin's newlib when checking for the
_DEFAULT_SOURCE symbol.
+ CF_VA_COPY, add fallback check if neither va_copy/__va_copy is
supported, to try copying the pointers for va_list, or as an array.
Also add another fallback check, for __builtin_va_copy(), which
could be used with AIX xlc in c89 mode.
20181208
+ modify wbkgd() and wbkgrnd() to improve compatibility with SVr4
curses, changing the way the window rendition is updated when the
background character is modified (report by Valery Ushakov).
20181201
+ add midnightbsd to CF_XOPEN_SOURCE macro (patch by Urs Jansen).
+ add "@" command to test/ncurses F-test, to allow rapid jump to
different character pages.
+ update config.guess, config.sub from
http://git.savannah.gnu.org/cgit/config.git
20181125
+ build-fix (reports by Chih-Hsuan Yen, Sven Joachim).
20181124
+ check --with-fallbacks option to ensure there is a value, and add
the fallback information to top-level Makefile summary.
+ add some traces in initialization to show whether a fallback entry is
used.
+ build-fix for test/movewindow with ncurses-examples on Solaris.
+ add "-l" option to test/background, to dump screen contents in a form
that lets different curses implementations be compared.
+ modify the initialization checks for mouse so that the xterm+sm+1006
block will work with terminal descriptions not mentioning xterm
(report by Tomas Janousek).
20181117
+ ignore the hex/b64 $TERMINFO in toe's listing.
+ correct a status-check in _nc_read_tic_entry() so that if reading
a hex/b64 $TERMINFO, and the $TERM does not match, fall-through to
the compiled-in search list.
20181110
+ several workarounds to ensure proper C compiler used in parts of
Ada95 tree.
+ update config.guess, config.sub from
http://git.savannah.gnu.org/cgit/config.git
20181027
+ add OpenGL clients alacritty and kitty -TD
+ add Smulx for tmux, vte-2018 -Nicholas Marriott
20181020
+ ignore $TERMINFO as a default value in configure script if it came
from the infocmp -Q option.
+ allow value for --with-versioned-syms to be a relative pathname
+ add a couple of broken-linker symbols to the list of versioned
symbols to help with link-time optimization versus weak symbols.
+ apply shift/control/alt logic when decoding xterm's 1006 mode to
wheel-mouse events (Redhat #1610681).
20181013
+ amend change from 20180818, which undid a fix for the $INSTALL value
to make it an absolute path.
20181006
+ improve a configure check to work with newer optimizers (report by
Denis Pronin, Gentoo #606142).
+ fix typo in tput.c (Sven Joachim, cf: 20180825).
20180929
+ fix typo in tvi955 -TD
+ corrected acsc for regent60 -TD
+ add alias n7900 -TD
+ corrected acsc for tvi950 -TD
+ remove bogus kf0 from tvi950 -TD
+ added function-key definitions to agree with Televideo 950 manual -TD
+ add bel to tvi950 -TD
+ add shifted function-keys to regent60 -TD
+ renumber regent40 function-keys to match manual -TD
+ add cd (clr_eos) to adds200 -TD
20180923
+ build-fix: remove a _tracef call which was used for debugging (report
by Chris Clayton).
20180922
+ ignore interrupted system-call in test/ncurses's command-line, e.g.,
if the terminal were resized.
+ add shift/control/alt logic for decoding xterm's 1006 mode (Redhat
#1610681, cf: 20141011).
+ modify rpm test-packages to not use --disable-relink with Redhat,
since Fedora 28's tools do not work with that feature.
20180908
+ document --with-pcre2 configure option in INSTALL.
+ improve workaround for special case in PutAttrChar() where a cell is
marked as alternate-character set, to handle a case where the
character in the cell does not correspond to any of the ASCII
fallbacks (report by Leon Winter, cf: 20180505).
+ amend change to form library which attempted to avoid unnecessary
update of cursor position in non-public fields, to simply disable
output in this case (patch by Leon Winter, cf: 20180414).
+ improve check for LINE_MAX runtime limit, to accommodate broken
implementations of sysconf().
20180901
+ improve manual page for wgetnstr, giving background for the length
parameter.
+ define a limit for wgetnstr, wgetn_wstr when length is negative or
"too large".
+ update configure script to autoconf 2.52.20180819 (Debian #887390).
20180825
+ add a section to tput manual page clarifying how it determines the
terminal size (prompted by discussion with Grant Jenks).
+ add "--disable-relink" to rpm test-packages, for consistency with the
deb test-packages.
+ split spec-file into ncurses6.spec and ncursest6.spec to work around
toolset breakage in Fedora 28.
+ drop mention of "--disable-touching", which was not in the final
20180818 updates.
20180818
+ build-fix for PDCurses with ncurses-examples.
+ improved CF_CC_ENV_FLAGS.
+ modify configure scripts to reduce relinking/ranlib during library
install (Debian #903790):
+ use "install -p" when available, to avoid need for ranlib of
static libraries.
+ modify scripts which use "--disable-relink" to add a 1-second
sleep to work around tools which use whole-second timestamps, e.g.,
in utime() rather than the actual file system resolution.
20180804
+ improve logic for clear with E3 extension, in case the terminal
scrolls content onto its saved-lines before actually clearing
the display, by clearing the saved-lines after clearing the
display (report/patch by Nicholas Marriott).
20180728
+ improve documentation regarding feature-test macros in curses.h
+ improve documentation regarding the virtual and physical screens.
+ formatting fixes for manpages, regenerate man-html documentation.
20180721
+ build-fixes for gcc8.
+ corrected acsc for wy50 -TD
+ add wy50 and wy60 shifted function-keys as kF1 to kF16 -TD
+ remove ansi+rep mis-added to interix in 2018-02-23 -TD
20180714
+ add enum, regex examples to test/demo_forms
+ add configure check for pcre-posix library to help with MinGW port.
20180707
+ build-fixes for gcc8.
+ correct order of WINDOW._ttytype versus WINDOW._windowlist in
report_offsets.
+ fix a case where tiparm could return null if the format-string was
empty (Debian #902630).
20180630
+ add acsc string to vi200 (Nibby Nebbulous)
add right/down-arrow to vi200's acsc -TD
+ add "x" to tput's getopt string so that "tput -x clear" works
(Nicholas Marriott).
+ minor fixes prompted by anonymous report on stack overflow:
+ correct order of checks in _nc_get_locale(), for systems lacking
locale support.
+ add "#error" in a few places to flag unsupported configurations
20180623
+ use _WIN32/_WIN64 in preference to __MINGW32__/__MINGW64__ symbols
to simplify building with MSVC, since the former are defined in both
compiler configurations (report by Ali Abdulkadir).
+ further improvements to configure-checks from work on dialog, i.e.,
updated CF_ADD_INCDIR, CF_FIND_LINKAGE, CF_GCC_WARNINGS,
CF_GNU_SOURCE, CF_LARGEFILE, CF_POSIX_C_SOURCE, CF_SIZECHANGE, and
CF_TRY_XOPEN_SOURCE.
+ update config.guess, config.sub from
http://git.savannah.gnu.org/cgit/config.git
20180616
+ build-fix for ncurses-examples related to gcc8-fixes (cf: 20180526).
+ reduce use of _GNU_SOURCE for current glibc where _DEFAULT_SOURCE
combines with _XOPEN_SOURCE (Debian #900987).
+ change target configure level for _XOPEN_SOURCE to 600 to address
use of vsscanf and setenv.
+ improved configure-checks CF_SIZECHANGE and CF_STRUCT_TERMIOS from
work on dialog.
20180609
+ modify generated ncurses*config and ncurses.pc, ncursesw.pc, etc.,
to list helper libraries such as gpm for static linking (Debian
#900839).
+ marked vwprintw and vwscanw as deprecated; recommend using vw_printw
and vw_scanw, respectively.
20180602
+ add RPM test-package "ncursest-examples".
+ modified RPM test-package to work with Mageia6.
20180526
+ add note in curs_util.3x about unctrl.h
+ review/improve header files to ensure that those include necessary
files except for the previously-documented cases (report by Isaac
Pascual Monells).
+ improved test-package scripts, adapted from byacc 1.9 20180525.
+ fix some gcc8 warnings seen in Redhat package build, but
work around bug in gcc8 compiler warnings in comp_parse.c
20180519
+ formatting fixes for manpages, regenerate man-html documentation.
+ trim spurious whitespace from tmux in 2018-02-24 changes;
fix some inconsistencies in/between tmux- and iterm2-entries for SGR
(report by C Anthony Risinger)
+ improve iterm2 using some xterm features which it has adapted -TD
+ add check in pair_content() to handle the case where caller asks
for an uninitialized pair (Debian #898658).
20180512
+ remove trailing ';' from GCC_DEPRECATED definition.
+ repair a change from 20110730 which left an error-check/warning dead.
+ fix several minor Coverity warnings.
20180505
+ add deprecation warnings for internal functions called by older
versions of tack.
+ fix a special case in PutAttrChar() where a cell is marked as
alternate-character set, but the terminal does not actually support
the given graphic character. This would happen in an older terminal
such as vt52, which lacks most line-drawing capability.
+ use configure --with-config-suffix option to work around filename
conflict with Debian packages versus test-packages.
+ update tracemunch to work with perl 5.26.2, which changed the rules
for escaping regular expressions.
20180428
+ document new form-extension O_EDGE_INSERT_STAY (report by Leon
Winter).
+ correct error-returns listed in manual pages for a few form functions
(report by Leon Winter).
+ add a check in form-library for null-pointer dereference:
unfocus_current_field (form);
form_driver (form, REQ_VALIDATION);
(patch by Leon Winter).
20180414
+ modify form library to optionally delay cursor movement on a field
edge/boundary (patch by Leon Winter).
+ modify form library to avoid unnecessary update of cursor position in
non-public fields (patch by Leon Winter).
+ remove unused _nc_import_termtype2() function.
+ also add/improve null-pointer checks in other places
+ add a null-pointer check in _nc_parse_entry to handle an error when
a use-name is invalid syntax (report by Chung-Yi Lin).
20180407
+ clarify in manual pages that vwprintw and vwscanw are obsolete,
not part of X/Open Curses since 2007.
+ use "const" in some prototypes rather than NCURSES_CONST where X/Open
Curses was updated to do this, e.g., wscanw, newterm, the terminfo
interface. Also use "const" for consistency in the termcap
interface, which was withdrawn by X/Open Curses in Issue 5 (2007).
As of Issue 7, X/Open Curses still lacks "const" for certain return
values, e.g., keyname().
20180331
+ improve terminfo write/read by modifying the fourth item of the
extended header to denote the number of valid strings in the extended
string table (prompted by a comment in unibilium's sources).
20180324
+ amend Scaled256() macro in test/picsmap.c to cover the full range
0..1000 (report by Roger Pau Monne).
+ add some checks in tracemunch for undefined variables.
+ trim some redundant capabilities from st-0.7 -TD
+ trim unnecessary setf/setb from interix -TD
20180317
+ fix a check in infotocap which may not have detected a problem when
it should have.
+ add a check in tic for the case where setf/setb are given using
different strings, but provide identical results to setaf/setab.
+ further improve fix for terminfo.5 (patch by Kir Kolyshkin).
+ reorder loop-limit checks in winsnstr() in case the string has no
terminating null and only the number of characters is used (patch
by Gyorgy Jeney).
20180303
+ modify TurnOn/TurnOff macros in lib_vidattr.c and lib_vid_attr.c to
avoid expansion of "CUR" in trace.
+ improve a few lintian warnings in test-packages.
+ modify lib_setup to avoid calling pthread_self() without first
verifying that the address is valid, i.e., for weak symbols
(report/patch by Werner Fink).
+ modify generated terminfo.5 to not use "expand" and related width
on the last column of tables, making layout on wide terminals look
better (adapted from patch by Kir Kolyshkin).
+ add a category to report_offsets, e.g., "w" for wide-character, "t"
for threads to make the report more readable. Reorganized the
structures reported to make the categories more apparent.
+ simplify some ifdef's for extended-colors.
+ add NCURSES_GLOBALS and NCURSES_PRESCREEN to report_offsets, to show
how similar the different tinfo configurations are.
20180224
+ modify _nc_resolve_uses2() to detect incompatible types when merging
a "use=" clause of extended capabilities. The problem was seen in a
defective terminfo integrated from simpleterm sources in 20171111,
compounded by repair in 20180121.
+ correct Ss/Ms interchange in st-0.7 entry (tmux #1264) -TD
+ fix remaining flash capabilities with trailing mandatory delays -TD
+ correct cut/paste in NEWS (report by Sven Joachim).
20180217
+ remove incorrect free() from 20170617 changes (report by David Macek).
+ correct type for "U8" in user_caps.5; it is a number not boolean.
+ add a null-pointer check in safe_sprintf.c (report by Steven Noonan).
+ improve fix for Debian #882620 by reusing limit2 variable (report by
Julien Cristau, Sven Joachim).
20180210
+ modify misc/Makefile.in to install/uninstall explicit list in case
the build-directory happens to have no ".pc" files when an uninstall
is performed (report by Jeffrey Walton).
+ deprecate safe-sprintf, since the vsnprintf function, which does what
was needed, was standardized long ago.
+ add several development/experimental options to development packages.
+ minor reordering of options in configure script to make the threaded
and reentrant options distinct from the other extensions which are
normally enabled.
20180203
+ minor fixes to test/*.h to make them idempotent.
+ add/use test/parse_rgb.h to show how the "RGB" capability works.
+ add a clarification in user_caps.5 regarding "RGB" capability.
+ add extended_slk_color{,_sp} symbols to the appropriate
package/*.{map,sym} files (report by Sven Joachim, cf: 20170401).
20180129
+ update "VERSION" file, used in shared-library naming.
Add support for creating ncurses.pc in the buildlink dir, either by
linking to the base one, or creating a fake one. More or less copied
from ../libuuid/builtin.mk.
CVE-2017-16879
summary relnotes:
This release is designed to be source-compatible with ncurses 5.0
through 6.0; providing extensions to the application binary interface (ABI).
Although the source can still be configured to support the ncurses 5 ABI,
the intent of the release is to provide extensions to the ncurses 6 ABI:
improve integration of tput and tset
provide support for extended numeric capabilities.
The lengthy details are at http://invisible-island.net/ncurses/announce.html
The actual fix as been done by "pkglint -F */*/buildlink3.mk", and was
reviewed manually.
There are some .include lines that still are indented with zero spaces
although the surrounding .if is indented. This is existing practice.
Unsorted entries in PLIST files have generated a pkglint warning for at
least 12 years. Somewhat more recently, pkglint has learned to sort
PLIST files automatically. Since pkglint 5.4.23, the sorting is only
done in obvious, simple cases. These have been applied by running:
pkglint -Cnone,PLIST -Wnone,plist-sort -r -F
ftp://invisible-island.net/ncurses/6.0/ncurses-6.0-20170701.patch.gz
+ add/improve checks in tic's parser to address invalid input
(Redhat #1464684, #1464685, #1464686, #1464691).
+ alloc_entry.c, add a check for a null-pointer.
+ parse_entry.c, add several checks for valid pointers as well as
one check to ensure that a single character on a line is not
treated as the 2-character termcap short-name.
that's CVE-2017-10684 CVE-2017-10685 CVE-2017-11112 CVE-2017-11113
MASTER_SITES= site1 \
site2
style continuation lines to be simple repeated
MASTER_SITES+= site1
MASTER_SITES+= site2
lines. As previewed on tech-pkg. With thanks to rillig for fixing pkglint
accordingly.
Issues found with existing distfiles:
distfiles/eclipse-sourceBuild-srcIncluded-3.0.1.zip
distfiles/fortran-utils-1.1.tar.gz
distfiles/ivykis-0.39.tar.gz
distfiles/enum-1.11.tar.gz
distfiles/pvs-3.2-libraries.tgz
distfiles/pvs-3.2-linux.tgz
distfiles/pvs-3.2-solaris.tgz
distfiles/pvs-3.2-system.tgz
No changes made to these distinfo files.
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.
This release is designed to be source-compatible with ncurses 5.0
through 5.9; providing a new application binary interface (ABI).
Although the source can still be configured to support the ncurses 5
ABI, the intent of the release is to provide extensions which are
generally useful, but binary-incompatible with ncurses 5:
* Extend the cchar_t structure to allow more than 16 colors to be
encoded.
* Modify the encoding of mouse state to make room for a 5th mouse
button. That allows one to use ncurses with a wheel mouse with
xterm or similar X terminal emulators.
There are, of course, numerous other improvements, including
* fixes made based on the Clang and Coverity static analyzers.
* memory leak fixes using Valgrind
The release notes mention some bug-fixes, but are focused on new
features and improvements to existing features log since ncurses 5.9
release.
While the intent of the release is to provide a new stable ABI, there
are other development activities which are summarized below.
* The original release plan, e.g., for "5.10" was to improve the
MinGW port. Ultimately that was completed (wide-character support,
mouse, etc), but was deferred to focus on termcap support and
performance issues. Also, pinpointing the problems with Console2
took a while.
* A review of termcap compatibility in 2011 led to several minor
fixes in the library and improvements to utilities. To do this
properly, a review of the various extent termcap implementations
was needed.
The [11]termcap library checker (tctest) (not part of ncurses) was
one result. A followup review of performance using
[12]ncurses-examples in 2014 led to additional improvements.
* Output buffering provided a further, but worthwhile distraction. A
bug report in 2012 regarding the use of signal handlers in
ncurses) pointed out [13]a problem with the use of unsafe
functions for handling SIGTSTP. Other signals could be addressed
with workarounds; repairing SIGTSTP required a different approach.
The solution required changing internal behavior of the library:
how it handles output buffering.
Now ncurses buffers its own output, independently of the standard
output. A few applications relied upon the library's direct reuse
of the standard output buffering; however that is unspecified
behavior and has never been a recommended practice. Identifying
these applications as well as refining the change to permit
low-level applications to work consistently took time.
* Since the introduction of the experimental support for 256 colors
early in [14]2005 (released in [15]ncurses 5.5), there has been
increased user interest. Almost all packagers continue providing
the ncurses ABI 5 which cannot support 256 colors.
* Symbol versioning, or the lack of it in ncurses, is the main
reason why packagers would be reluctant to add a new ncurses ABI.
This release provides the new ABI along with script-generated
lists of versioned symbols which can be used for both ABI 5 and 6
(with distinct names to keep the two separate). This took time to
development, as reported in [16]Symbol versioning in ncurses.
Library improvements
Output buffering
X/Open curses provides more than one initialization function:
* [17]initscr (the simplest) accepts no parameters.
* [18]newterm accepts parameters for the stream input and output
* [19]setupterm (the low-level function) accepts a parameter for the
file descriptor of the output.
They are documented in X/Open as if initscr calls newterm using stdout
for output stream, and in turn newterm calls setupterm using
fileno(stdout) for the file descriptor. As long as an implementation
acts as if it does this, it conforms. In practice, implementations do
what is implied. This creates a problem: the low-level setupterm
function's file descriptor is unbuffered, while newterm implies
buffered output. X/Open Curses says that all output is done through
the file descriptor, and does not say how the output stream is
actually used.
Initially, ncurses used the file descriptor (obtained from the output
stream passed to newterm) for changing the terminal modes, and relied
upon the output parameter of newterm for buffered output. Later (to
avoid using unsafe buffered I/O in signal handlers), ncurses was
modified to use the file descriptor (unbuffered output) when cleaning
up on receipt of a signal. Otherwise (when not handling a signal), it
continued to use the buffered output.
That approach worked reasonably well and as a side effect, using the
same buffered output as an application might use for printf meant that
no flushing was needed when switching between normal- and
screen-modes.
There were a couple of problems:
* to get good performance, curses (not only ncurses, but SVr4 curses
in general) set an output buffer using setbuf or similar function.
There is no standard (or portable) way to turn that output buffer
off, and revert to line-buffering. The [20]NCURSES_NO_SETBUF
environment variable did make it optional.
* to handle SIGTSTP (the "stop" signal), ncurses relied upon unsafe
functions. That is, due to the complexity of the feature, it
relied upon reusing existing functions which should not have been
called via the signal handler.
Conveniently, solving the second problem (by making ncurses do its own
output buffering) also fixed the first one. But there were special
cases to resolve: [21]low-level functions such as mvcur, putp, vidattr
explicitly use the standard output. Those functions were reused
internally, and required modification to distinguish whether they were
used by the high-level or low-level interfaces.
Finally, there may still be a few programs which should be modified to
improve their portability, e.g., adding an
fflush(stdout);
when switching from "[22]shell" mode to "[23]program" (curses) mode.
Those are fairly rare because most programmers have learned not to mix
printf and [24]printw.
Symbol versioning
This release introduces symbol-versioning to ncurses because without
it, the change of ABI would be less successful. A lengthy discussion
will be presented in [25]Symbol versioning in ncurses. These notes
summarize what has changed, and what can be done with the new release.
Symbol-versioning allows the developers of a library to mark each
public symbol (both data and functions) with an identifier denoting
the library name and the version for which it was built. By doing
this, users of the library have a way to help ensure that applications
do not accidentally load an incompatible library. In addition, private
symbols can be hidden entirely.
This release provides sample files for the four principal
configurations of ncurses libraries: ncurses, ncursesw, ncursest and
ncursestw. Each sample is given in two forms:
".map"
These list all public symbols, together with version names.
".sym"
These list all public symbols, without version names.
The sample files are generated by scripts which take into account a
few special cases such as [26]tack to omit many of the ncurses private
symbols (beginning with "_nc_"). Here are counts of globals versus
locals:
Config Symbols Globals Locals "_nc_"
ncurses 976 796 180 332
ncursesw 1089 905 184 343
ncursest 979 804 175 358
ncursestw 1098 914 184 372
Although only four sample configurations are presented, each is formed
by merging symbols from several combinations of configure-script
options, taking into account advice from downstream packagers. Because
they are formed by merging, the sample files may list a symbol which
is not in a given package. That is expected. The samples have been
tested and are working with systems (such as Fedora, FreeBSD and
Debian) which fully support this feature. There are other systems
which do not support the feature, and a few (such as Solaris) which
provide incomplete support.
The version-naming convention used allows these sample files to build
distinct libraries for ABI 5 and 6. Version names consist of
* configuration name, e.g., "NCURSESW" for the wide-character
libraries
* ABI version (if not 5)
* library name for two special cases which have the same interface
across configurations: "TINFO" and "TIC"
* release version
* patch date (for the release version)
For example, running nm -D on the libraries in the ncurses6 test
package shows these symbol-versions:
0000000000000000 A NCURSES6_TIC_5.0.19991023
0000000000000000 A NCURSES6_TIC_5.1.20000708
0000000000000000 A NCURSES6_TIC_5.5.20051010
0000000000000000 A NCURSES6_TIC_5.7.20081102
0000000000000000 A NCURSES6_TIC_5.9.20150530
0000000000000000 A NCURSES6_TINFO_5.0.19991023
0000000000000000 A NCURSES6_TINFO_5.1.20000708
0000000000000000 A NCURSES6_TINFO_5.2.20001021
0000000000000000 A NCURSES6_TINFO_5.3.20021019
0000000000000000 A NCURSES6_TINFO_5.4.20040208
0000000000000000 A NCURSES6_TINFO_5.5.20051010
0000000000000000 A NCURSES6_TINFO_5.6.20061217
0000000000000000 A NCURSES6_TINFO_5.7.20081102
0000000000000000 A NCURSES6_TINFO_5.8.20110226
0000000000000000 A NCURSES6_TINFO_5.9.20150530
0000000000000000 A NCURSESW6_5.1.20000708
0000000000000000 A NCURSESW6_5.3.20021019
0000000000000000 A NCURSESW6_5.4.20040208
0000000000000000 A NCURSESW6_5.5.20051010
0000000000000000 A NCURSESW6_5.6.20061217
0000000000000000 A NCURSESW6_5.7.20081102
0000000000000000 A NCURSESW6_5.8.20110226
0000000000000000 A NCURSESW6_5.9.20150530
As a special case, this release (which makes the final change for ABI
5) is marked with release version 5.9 and patch date 20150530.
Miscellaneous
The new release has several improvements for performance and building.
For instance:
* several files in ncurses- and progs-directories were modified to
allow const data used in internal tables to be put by the linker
into the readonly text segment.
* various improvements were made to building the Ada95 binding, both
in simplifying the generated files as well as improving the way it
uses gnatmake
There are also new features in the libraries:
* added [27]use_tioctl function
* added [28]wgetdelay to retrieve _delay member of WINDOW if it
happens to be opaque, e.g., in the pthread configuration.
* added [29]A_ITALIC extension.
* added form library extension [30]O_DYNAMIC_JUSTIFY option which
can be used to override the different treatment of justification
for static versus dynamic fields .
* rewrote [31]putwin and [32]getwin, making an extended version
which is capable of reading screen-dumps between the wide/normal
ncurses configurations. These are text files, except for a magic
code at the beginning:
0 string \210\210 Screen-dump (ncurses)
* several changes to mouse support include:
+ added decoder for xterm SGR 1006 mouse mode.
+ added experimental support for "%u" format to terminfo.
+ improved behavior of wheel-mice for xterm protocol: noting
that there are only button-presses for buttons "4" and "5",
so there is no need to wait to combine events into
double-clicks .
There are a few new configure options dealing with library
customization:
* add "--enable-ext-putwin" configure option to turn on the extended
putwin/getwin. By default, this is enabled for ABI 6 and disabled
with ABI 5.
* add "--enable-string-hacks" option to control whether strlcat and
strlcpy may be used. Because ncurses already does the requisite
buffer-limit checks, this feature is mainly of interest to quiet
compiler-warnings on a few systems.
* add configure option "--with-tparm-arg" to allow [33]tparm's
parameters to be something more likely to be the same size as a
pointer, e.g., intptr_t (again, the default is set for ABI 6).
Program improvements
Utilities
Most of the termcap-related changes based on development of [34]tctest
(termcap library checker) are implemented in the tic and infocmp
programs rather than affecting the library. As noted in the
[35]discussion of tctest, ncurses's ability to translate between
terminfo and termcap formats has been improved at different times, but
subject to feedback from "real" termcap users. There are very few of
those. Nowadays, virtually all termcap users are using ncurses (or
NetBSD, with its own terminfo library) and their programs are actually
using terminfo rather than termcap data.
Still, there are a few. A comment about the translation of the ASCII
NUL character prompted a review:
* Both terminfo and termcap store string capabilities as
NUL-terminated strings.
* In terminfo, a \0 in a terminal description is stored as \200.
* There are no (known) terminals which would behave differently when
sent \0 or \200.
* When translating to terminfo format (or displaying a printable
version of an entry using infocmp), ncurses shows \200 as \0.
* It has done this since 1998 (quoting from the NEWS file):
[36]980103
...
+ modify _nc_tic_expand() to generate \0 rather than \200.
...
+ correct translation of terminfo "^@", to \200, like \0.
* However, the _nc_tic_expand function (which optionally produces
terminfo or termcap format) did not address this special case for
termcap. Even the later 4.4BSD [37]cgetstr interprets a \0
literally, ending that string (rather than using the terminfo
improvement).
As a result of the review, several improvements were made to ncurses
translation to/from termcap format -- and improving the checks made in
tic for consistency of entries. Most of these are not of general
interest, except for two new command-line options for tic and infocmp:
* the "-0" option generates termcap/terminfo source on a single
line.
* the "-K" option provides stricter BSD-compatibility for termcap
output.
Other user-visible improvements and new features include:
* added "-D" option to tic and infocmp, to show the database
locations that it could use.
* added "-s" option to toe, to sort its output.
* extended "-c" and "-n" options of infocmp to allow comparing more
than two entries.
* modified toe's report when "-a" and "-s" options are combined, to
add a column showing which entries belong to a given database.
* modified the clear program to take into account the "E3" extended
capability to clear the terminal's scrollback buffer.
Examples
Along with the library and utilities, many improvements were made to
the [38]ncurses-examples. Some were made to allow building (and
comparison-testing) against NetBSD curses and PDCurses. Both lack some
of the X/Open Curses features, necessitating customization. But this
activity was useful because it showed some remaining performance
issues (which have been resolved in this release).
These changes were made to verify compatibility or compare performance
of ncurses:
* made workarounds for compiling test-programs with NetBSD curses,
though it lacks some common functions such as [39]use_env.
* added dots_termcap test-program
* added dots_curses test-program, for comparison with the low-level
examples.
* added test_setupterm test-proram to demonstrate normal/error
returns from the setupterm and restartterm functions.
* added "-d", "-e" and "-q" options to the demo_terminfo and
demo_termcap test-programs.
* added "-y" option to demo_termcap and test/demo_terminfo
test-programs to demonstrate behavior with/without extended
capabilities.
* modified demo_termcap and demo_terminfo test-programs to make
their options more directly comparable, and add "-i" option to
specify a terminal description filename to parse for names to
lookup.
* rewrote the tests for [40]mvderwin and test for recursive
[41]mvwin in the movewindow test-program.
These changes were made to help with the MinGW port:
* added test-screens to the ncurses test-program to show
256-characters at a time, to help with MinGW port.
* modified the view test-program to load UTF-8 when built with MinGW
by using regular win32 API because the MinGW functions mblen and
mbtowc do not work.
* added "-s" option to the view test-program to allow it to start in
single-step mode, reducing size of trace files when it is used for
debugging MinGW changes.
These changes were made to verify new extensions in ncurses:
* added [42]form_driver_w entrypoint to wide-character forms
library, as well as form_driver_w test-program.
* modified ncurses test-program's b/B tests to display lines only
for the attributes which a given terminal supports, to make room
for an italics test.
* modified ncurses test-program, adding "-E" and "-T" options to
demonstrate use_env versus use_tioctl.
* modified ncurses test-program's c/C tests to cycle through subsets
of the total number of colors, to better illustrate
8/16/88/256-colors by providing directly comparable screens.
* modified the ncurses test-program to also show position reports in
'a' test.
These changes were made to make the examples more useful:
* added scripts for building dpkg and rpm test-packages
* modified the hanoi test-program to show the minimum number of
moves possible for the given number of tiles.
* modified the knight test-program to show the number of choices
possible for each position in automove option, e.g., to allow user
to follow Warnsdorff's rule to solve the puzzle.
Terminal database
This release provides improvements to tic's "-c" checking option,
which was used for example to
* make sgr in several entries agree with other caps.
* correct padding in some entries where earlier versions had
miscounted the number of octal digits.
There are several new terminal descriptions:
* [43]mlterm is now aliased to mlterm3
* [44]nsterm is now derived from nsterm-256color
* [45]putty-sco
* [46]teken is FreeBSD's "xterm" console.
* [47]terminator
* [48]terminology
* [49]tmux is derived from screen.
* several screen.XXX entries support the respective variations for
256 colors.
* [50]simpleterm is now 0.5
* [51]vte is aliased to vte-2012
* [52]vt520ansi
A few entries use extensions (user-defined terminal capabilities):
* E3, used in linux, putty and xterm-basic is tested in the
[53]clear program to erase a terminal's scrollback.
* TS is used in the [54]xterm+sl building block to help deprecate
the misuse of tsl for xterm's title-string.
* XT is used in some terminfo entries to improve usefulness for
other applications than screen, which would like to pretend that
xterm's title is a status-line.
* xm is used in examples [55]xterm-1005 and [56]xterm-1006 to
illustrate a way to make mouse handling more general
A few terminals support italics and/or dim capabilities. In
particular, screen does not. Documented that, and accommodated the
terminals where this feature works with the A_ITALIC extension.
* konsole, mlterm3 (italics)
* nsterm (dim)
* screen (dim)
* vte (dim, italics)
* xterm (dim, italics)
Documentation
As usual, this release
* improves documentation by describing new features,
* attempts to improve the description of features which users have
found confusing
* fills in overlooked descriptions of features which were described
in the [57]NEWS file but treated sketchily in manual pages.
In addition, the mechanism for producing HTML versions of the
documentation has been improved:
* use an improved version of [58]man2html to generate html manpages.
* regenerated [59]NCURSES-Programming-HOWTO.html to fix some of the
broken html emitted by docbook.
Interesting bug-fixes
* Ada95 binding:
+ modify makefile rules to ensure that the PIC option is not
used when building a static library
+ make Ada95 build-fix for big-endian architectures such as
sparc. This undoes one of the fixes from [60]20110319, which
added an "Unused" member to representation clauses, replacing
that with pragmas to suppress warnings about unused bits.
* Color and attributes:
+ parenthesize parameter of COLOR_PAIR and PAIR_NUMBER in
curses.h in case it happens to be a comma-expression.
+ improve [61]20021221 workaround for broken acs, handling a
case where that ACS_xxx character is not in the acsc string
but there is a known wide-character which can be used.
+ modify [62]init_pair to accept -1's for color value after
[63]assume_default_colors has been called.
+ add a check in [64]start_color to limit color-pairs to 256
when extended colors are not supported.
* Resizing the screen:
+ propagate error-returns from wresize, i.e., the internal
increase_size and decrease_size functions through
[65]resize_term.
+ add check for zero/negative dimensions for resizeterm and
resize_term.
+ modify resizeterm to always push a KEY_RESIZE onto the fifo,
even if screensize is unchanged. Modify library to push a
KEY_RESIZE if there was a SIGWINCH, even if it does not call
resizeterm). These changes eliminate the case where a
SIGWINCH is received, but ERR is returned from wgetch or
wgetnstr because the screen dimensions did not change.
* Low-level interfaces
+ fix an old bug in the termcap emulation; "%i" was ignored in
tparm because the parameters to be incremented were already
on the internal stack.
+ change "%l" behavior in tparm to push the string length onto
the stack rather than saving the formatted length into the
output buffer.
+ modify name-comparison for tgetstr, etc., to accommodate
legacy applications as well as to improve compatbility with
BSD 4.2 termcap implementations (see note for [66]980725).
* High-level interfaces
+ modify internal recursion in wgetch which handles cooked mode
to check if the call to wgetnstr returned an error. This can
happen when both nocbreak and nodelay are set, for instance
(see note for [67]960418).
+ add a check in internal function waddch_nosync to ensure that
tab characters are treated as control characters; some broken
locales claim they are printable.
+ modify menu library to ensure that a menu's top-row is
adjusted as needed to ensure that the current item is on the
screen
+ fix special case where double-width character overwrites a
single- width character in the first column.
Configuration changes
Major changes
The ncurses 6.0 configure script makes changes to the default value of
several configure options, depending on the --with-abi-version option
(i.e., whether its value is "5" or "6"):
--enable-const
Feature introduced in [68]970405 supports the use of const
where X/Open Curses should have, but did not. NetBSD curses
does something similar with const.
--enable-ext-colors
Extends the cchar_t structure to allow more than 16 colors to
be encoded. This applies only to the wide-character
(--enable-widec) configuration.
--enable-ext-mouse
Modifies the encoding of mouse state to make room for a 5th
mouse button. That allows one to use ncurses with a wheel mouse
with xterm or similar X terminal emulators.
--enable-ext-putwin
Modifies the file-format written by putwin to use printable
text rather than binary files, allowing getwin to read screen
dumps written by differently-configured ncurses libraries. The
extended getwin can still read binary screen dumps from the
same configuration of ncurses. This does not change the ABI
(the binary interface seen by calling applications).
--enable-interop
Modifies the FIELDTYPE structure used for the form library to
make it more generic.
--enable-lp64
Allows an application to define _LP64 to declare chtype and
mmask_t as simply "unsigned" rather than the configured types
using the --with-chtype and --with-mmask_t options.
--enable-sp-funcs
Compile-in support for extended functions which accept a SCREEN
pointer, reducing the need for juggling the global SP value
with [69]set_term and [70]delscreen.
--with-chtype=uint32_t
Makes chtype explicitly a 32-bit unsigned value.
--with-mmask_t=uint32_t
Makes mmask_t explicitly a 32-bit unsigned value.
--with-tparm-arg=intptr_t
X/Open Curses declares [71]tparm using long for each of the
parameters aside from the formatting string, presuming that
long and char* are the same size. This configure option uses
intptr_t which provides a better guarantee of the sizes.
The configure script no longer checks for antique compilers; c89 is
assumed as a minimum. There are a few features from later revisions
which are used when available. The configure script makes checks to
turn on useful warnings from clang, gcc and icc. You should be able to
build ncurses 6.0 with any of the current (or not so current) C
compilers available in 2015.
The configure script, by the way, makes changes which do not work with
systems whose /bin/sh is non-POSIX. This mainly affects Solaris (the
other vendor unix systems have followed the POSIX guidelines for the
past twenty years). If you must build on Solaris, its [72]xpg4
binaries suffice, e.g.,
#!/bin/sh
WHAT=`hostname|sed -e 's/\..*//'`
OUT=configure.out
cat >>$OUT <<EOF/
** `date`
** node: $WHAT
** user: `id`
** conf: $*
EOF/
SHELL=/bin/sh
if test -f /usr/xpg4/bin/sh
then
CONFIG_SHELL=/usr/xpg4/bin/sh
export CONFIG_SHELL
SHELL=$CONFIG_SHELL
fi
rm -f config.status config.cache
TOP=$HOME/$WHAT
$SHELL ./configure --verbose \
--disable-echo \
--disable-overwrite \
--enable-warnings \
--with-warnings \
--prefix=$TOP $* 2>&1 | tee -a $OUT
Other major changes to the configure script include:
* ABI 6 is now the default, intending that the existing ABI 5 should
build as before using the "--with-abi-version=5" option.
* added --with-extra-suffix option to help with installing
nonconflicting ncurses6 packages, e.g., avoiding header- and
library-conflicts.
NOTE: as a side-effect, this renames
adacurses-config to adacurses5-config and
adacursesw-config to adacursesw5-config
* the configure script looks for gnatgcc if the Ada95 binding is
built, in preference to the default gcc/cc. The script also
ensures that the Ada95 binding is built with the level of
optimization as the C libraries.
* the configure script captures define's related to -D_XOPEN_SOURCE
from the configure check and adds those to the *-config and *.pc
files, to simplify use for the wide-character libraries.
