X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fcurs_in_wchstr.3x;h=ddf8fc1069978f397d18403854b49b6de512407b;hp=3888f88524c50a94174572ac219c32c076fbb4bf;hb=HEAD;hpb=31c4bcf3307145fc5368b4aaf15e41bdd66a984b diff --git a/man/curs_in_wchstr.3x b/man/curs_in_wchstr.3x index 3888f885..53c98464 100644 --- a/man/curs_in_wchstr.3x +++ b/man/curs_in_wchstr.3x @@ -1,5 +1,5 @@ .\"*************************************************************************** -.\" Copyright 2018-2022,2023 Thomas E. Dickey * +.\" Copyright 2018-2023,2024 Thomas E. Dickey * .\" Copyright 2002-2012,2017 Free Software Foundation, Inc. * .\" * .\" Permission is hereby granted, free of charge, to any person obtaining a * @@ -27,12 +27,23 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: curs_in_wchstr.3x,v 1.23 2023/09/16 23:37:03 tom Exp $ -.TH curs_in_wchstr 3X 2023-09-16 "ncurses 6.4" "Library calls" -.ie \n(.g .ds `` \(lq -.el .ds `` `` -.ie \n(.g .ds '' \(rq -.el .ds '' '' +.\" $Id: curs_in_wchstr.3x,v 1.39 2024/04/20 21:24:19 tom Exp $ +.TH curs_in_wchstr 3X 2024-04-20 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls" +.ie \n(.g \{\ +.ds `` \(lq +.ds '' \(rq +.\} +.el \{\ +.ie t .ds `` `` +.el .ds `` "" +.ie t .ds '' '' +.el .ds '' "" +.\} +. +.de bP +.ie n .IP \(bu 4 +.el .IP \(bu 2 +.. .SH NAME \fB\%in_wchstr\fP, \fB\%in_wchnstr\fP, @@ -45,46 +56,52 @@ get a \fIcurses\fR complex character string from a window .SH SYNOPSIS .nf -\fB#include \fP -.sp -\fBint in_wchstr(cchar_t *\fIwchstr\fB);\fR -.br -\fBint in_wchnstr(cchar_t *\fIwchstr\fB, int \fIn\fB);\fR -.br -\fBint win_wchstr(WINDOW *\fIwin\fB, cchar_t *\fIwchstr\fB);\fR -.br -\fBint win_wchnstr(WINDOW *\fIwin\fB, cchar_t *\fIwchstr\fB, int \fIn\fB);\fR -.sp -\fBint mvin_wchstr(int \fIy\fB, int \fIx\fB, cchar_t *\fIwchstr\fB);\fR -.br -\fBint mvin_wchnstr(int \fIy\fB, int \fIx\fB, cchar_t *\fIwchstr\fB, int \fIn\fB);\fR -.br -\fBint mvwin_wchstr(WINDOW *\fIwin\fB, int \fIy\fB, int \fIx\fB, cchar_t *\fIwchstr\fB);\fR -.br -\fBint mvwin_wchnstr(WINDOW *\fIwin\fB, int \fIy\fB, int \fIx\fB, cchar_t *\fIwchstr\fR, int \fIn\fB);\fR +\fB#include +.PP +\fBint in_wchstr(cchar_t *\fIwchstr\fP); +\fBint win_wchstr(WINDOW *\fIwin\fP, cchar_t *\fIwchstr\fP); +\fBint mvin_wchstr(int \fIy\fP, int \fIx\fP, cchar_t *\fIwchstr\fP); +\fBint mvwin_wchstr(WINDOW *\fIwin\fP, int \fIy\fP, int \fIx\fP, cchar_t *\fIwchstr\fP); +.PP +\fBint in_wchnstr(cchar_t *\fIwchstr\fP, int \fIn\fP); +\fBint win_wchnstr(WINDOW *\fIwin\fP, cchar_t *\fIwchstr\fP, int \fIn\fP); +\fBint mvin_wchnstr(int \fIy\fP, int \fIx\fP, cchar_t *\fIwchstr\fP, int \fIn\fP); +\fBint mvwin_wchnstr(WINDOW *\fIwin\fP, int \fIy\fP, int \fIx\fP, cchar_t *\fIwchstr\fP, int \fIn\fP); .fi .SH DESCRIPTION These functions return an array of complex characters in \fIwchstr\fP, starting at the current cursor position in the named window. Attributes (rendition) are stored with the characters. .PP -The -\fBin_wchnstr\fP, -\fBmvin_wchnstr\fP, -\fBmvwin_wchnstr\fP -and -\fBwin_wchnstr\fP -fill the array -with at most -\fIn\fP -\fBcchar_t\fP -elements. -.br +The four functions with \fIn\fP as the last argument return +a leading substring at most \fIn\fP characters long +(exclusive of the trailing zeroed \fBcchar_t\fR. +Transfer stops at the end of the current line, or when \fIn\fP characters have +been stored at the location referenced by \fIwchstr\fP. +.PP +Constants defined in \fB\fP can be used with the \fB&\fP (logical +AND) operator to extract the character or the attribute alone from any position +in the \fIwchstr\fP [see \fBgetcchar\fP(3X)]. +.SH RETURN VALUE +Upon successful completion, these functions return +\fBOK\fP. +Otherwise, they return +\fBERR\fP. +.PP +X/Open Curses defines no error conditions. +This implementation returns an error +.bP +if the \fIwin\fP parameter is null or +.bP +if the \fIwchstr\fP parameter is null. +.PP +Functions prefixed with \*(``mv\*('' first perform cursor movement and +fail if the position +.RI ( y , +.IR x ) +is outside the window boundaries. .SH NOTES -Note that all routines except -\fBwin_wchnstr\fP -may be -macros. +All routines except \fBwin_wchnstr\fP may be macros. .PP Reading a line that overflows the array pointed to by \fIwchstr\fP @@ -101,23 +118,15 @@ Therefore, the use of \fBmvwin_wchnstr\fP, or \fBwin_wchnstr\fP is recommended. -.SH RETURN VALUE -Upon successful completion, these functions return -\fBOK\fP. -Otherwise, they return -\fBERR\fP. -.PP -Functions with a \*(``mv\*('' prefix first perform a cursor movement using -\fBwmove\fP, and return an error if the position is outside the window, -or if the window pointer is null. .SH PORTABILITY -The XSI Curses defines no error conditions. +X/Open Curses defines no error conditions. This implementation checks for null pointers, returning \fBERR\fP in that case. .SH SEE ALSO -Functions: -\fBcurses\fP(3X), -\fBcurs_in_wch\fP(3X), -\fBcurs_instr\fP(3X), -\fBcurs_inwstr\fP(3X) -\fBcurs_inchstr\fP(3X) +\fB\%curs_inchstr\fP(3X) describes comparable functions of the +.I \%ncurses +library in its non-wide-character configuration. +.PP +\fB\%curses\fP(3X), +\fB\%curs_inwstr\fP(3X), +\fB\%curs_in_wch\fP(3X)