CVS log for src/lib/libcurses/attributes.c

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Default branch: MAIN

Fix for lib/57050
Perform a sanity check on the window parameter being passed and return
ERR if it is null.  This prevents buggy code crashing.

Make the default colour pair be pair 0 which appears to match other
curses implementations.

fix various typos in comments and log messages.

Expand __CTRACE() to __nothing #ifndef DEBUG.

Remove most of #ifdef DEBUG around __CTRACE() calls.

No binary changes, except for line numbers for assert().

Mostly merge changes from HEAD upto 20200411

#ifdef HAVE_WCHAR around enhanced curses stuff.

Sync with HEAD

Sync with HEAD, resolve a couple of conflicts

attron(), attroff() - don't take a shortcut.

wattr_set - turn off all wide attributes (fix unedited copy/paste).

Rename the reserved argument from "opt" to "opts" to match SUS text.

Refactor.  Move code to turn attributes on/off into separate
functions.  Express both old and new functions to manipulate
attributes using those functions.  Check that the the new API's opts
argument (reserved by the standard for future use) is NULL and error
out if not (like getcchar/setcchar).  No functional change intended.

Drop a few redundant casts of a variable to its own type.

Move getattrs() and wcolor_set() so that they are with their peers and
so that wide and non-wide functions are in the same order.  While here,
make __wcolor_set() static.  No functional change intended.

Fix indentation.

Sync with HEAD

Use the terminal of the SCREEN of the WINDOW rather than cur_term
for window attribute functions.

Sync with HEAD.  (Note that most of these changes are simply $NetBSD$
tag issues.)

KNF.
Normalise coding style.
White space police.
Sprinkle some extra braces to make the flow more clear.

No functional changes.

Little bit more debug information.

Userland now builds and uses terminfo instead of termcap.

OK: core@, jdc@

Sync w/ -current. 34 merge conflicts to follow.

sync with head.

avoid c99 on DEBUG.

sync with head.

Remove clause 3 and 4 from TNF licenses

Make this compile when HAVE_WCHAR is not defined.

sync with HEAD

Add termattrs() and term_attrs() (requested by wiz@).
Only allow standout and underline if the terminal can do them.

Merge in wide curses code done as a Summer of Code project by
Ruibiao Qiu.

Bump shlib version.

Mask off wide char width when returning attributes.

Apply the changes that add debug "areas" on HEAD to the wcurses branch.
Add correspending changes to the debug code that is only present on the branch.

Add debug "areas" that allow selective debugging by setting the
"CURSES_TRACE_MASK" environment variable.  Postive vales include
debug areas, negative values exclude them.

Wide curses merge

Don't use NULL to compare against an int.

Add attr_set() group of functions.
Fixes PR lib/20034 by Thomas Klausner.

Fix resize of windows with subwins.
Let window size be given as a -ver number => lines from bottom.
Fix trace calls of pointers
(approved by Brett Lumn)

Remove check for attribute/colour conflict.
This is now handled in refresh.c as it's not possible to handle the
conflict with background colour here.

Rename variables refering to termcap capabilities from NN to __tc_nn.  Case
adjusted to match termcap capability.  A few other variable names renamed too
(ones related to or derived from termcap variables).

New function getattrs().
Add win to debug output.

Clean up a bunch more logic.

* Added rcs id line to files missing it.
* Added code to __restartwin to restore meta and cursor visibility states
* Added code to __stopwin to disable meta.
* Added the *line group of functions for drawing character lines.

Add extra debug output (for wattrset()).

Added functions to replace what were previously macros in curses.h
(this is a requirement of SUSv2) - the old macro behaviour can be
restored by defining _CURSES_USE_MACROS.
Changed function prototypes to use ANSI style.
All externally visible functions now have ANSI style declarations.

Copyright assgned to TNF.
Add check for conflict with colour.
Remove code duplication in wattrset().
Shrink one line comments.
Consolidate DEBUG output.

Made data structures opaque

Changes to make libcurses SUS v2 compatible.

Upgrades the standard NetBSD curses library to provide some
of the SYSV curses facilities.  The added features are the collapsing
of arrow and function keysequences (as defined by termcap for the
terminal) into symbolic code returns thus relieving the application of
recognising multi-character key sequences.  Other features are the
capability to perform a timed wait for a key (good for when you are
not sure if there is a keypress ready or not) and the capability for
turning off the inter-key timeout when assembling multi-character
function keys.

this work was done by Julian Coleman <J.D.Coleman@newcastle.ac.uk>
and blymn@baea.com.au (Brett Lymn).  i'm just integrating it.  thanks
HEAPS guys!