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Diffstat (limited to 'upstream/mageia-cauldron/man3/legacy_coding.3x')
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1 files changed, 78 insertions, 0 deletions
diff --git a/upstream/mageia-cauldron/man3/legacy_coding.3x b/upstream/mageia-cauldron/man3/legacy_coding.3x new file mode 100644 index 00000000..e057fa5f --- /dev/null +++ b/upstream/mageia-cauldron/man3/legacy_coding.3x @@ -0,0 +1,78 @@ +.\"*************************************************************************** +.\" Copyright 2020-2022,2023 Thomas E. Dickey * +.\" Copyright 2005-2016,2017 Free Software Foundation, Inc. * +.\" * +.\" Permission is hereby granted, free of charge, to any person obtaining a * +.\" copy of this software and associated documentation files (the * +.\" "Software"), to deal in the Software without restriction, including * +.\" without limitation the rights to use, copy, modify, merge, publish, * +.\" distribute, distribute with modifications, sublicense, and/or sell * +.\" copies of the Software, and to permit persons to whom the Software is * +.\" furnished to do so, subject to the following conditions: * +.\" * +.\" The above copyright notice and this permission notice shall be included * +.\" in all copies or substantial portions of the Software. * +.\" * +.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * +.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * +.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * +.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * +.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * +.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * +.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. * +.\" * +.\" Except as contained in this notice, the name(s) of the above copyright * +.\" holders shall not be used in advertising or otherwise to promote the * +.\" sale, use or other dealings in this Software without prior written * +.\" authorization. * +.\"*************************************************************************** +.\" +.\" Author: Thomas E. Dickey +.\" +.\" $Id: legacy_coding.3x,v 1.24 2023/12/16 20:32:22 tom Exp $ +.TH legacy_coding 3X 2023-12-16 "ncurses 6.4" "Library calls" +.SH NAME +\fB\%use_legacy_coding\fP \- +override \fIcurses\fR locale encoding checks +.SH SYNOPSIS +.nf +\fB#include <curses.h> +.PP +\fBint use_legacy_coding(int \fIlevel\fP); +.fi +.SH DESCRIPTION +The \fBuse_legacy_coding\fP function is an extension to the curses library. +It allows the caller to change the result of \fBunctrl\fP, +and suppress related checks within the library that would normally +cause nonprinting characters to be rendered in visible form. +This affects only 8-bit characters. +.PP +The \fIlevel\fP parameter controls the result: +.RS +.TP 5 +0 +the library functions normally, +rendering nonprinting characters as described in \fBunctrl\fP. +.TP +1 +the library ignores \fBisprintf\fP for codes in the range 160-255. +.TP +2 +the library ignores \fBisprintf\fP for codes in the range 128-255. +It also modifies the output of \fBunctrl\fP, showing codes in the +range 128-159 as is. +.RE +.SH RETURN VALUE +If the screen has not been initialized, +or the \fIlevel\fP parameter is out of range, +the function returns \fBERR\fP. +Otherwise, it returns the previous level: \fB0\fP, \fB1\fP or \fB2\fP. +.SH PORTABILITY +This routine is specific to \fI\%ncurses\fP. +It was not supported on Version 7, BSD or System V implementations. +It is recommended that any code depending on \fI\%ncurses\fP extensions +be conditioned using NCURSES_VERSION. +.SH AUTHORS +Thomas Dickey (to support lynx's font-switching feature). +.SH SEE ALSO +\fB\%unctrl\fP(3X) |