ncurses 5.6 - patch 20070128

[ncurses.git] / man / curs_get_wstr.3x

diff --git a/man/curs_get_wstr.3x b/man/curs_get_wstr.3x
index f8fa51d47fcb25c859bdfefe02f3bebf1162d58d..4286c78b0d2ace95f97022e23d1ad161613e4eb7 100644 (file)
--- a/man/curs_get_wstr.3x
+++ b/man/curs_get_wstr.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
 .\"***************************************************************************

-.\" Copyright (c) 2002 Free Software Foundation, Inc.                        *
+.\" Copyright (c) 2002-2005,2006 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            *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *


@@ -26,8 +26,10 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"

-.\" $Id: curs_get_wstr.3x,v 1.2 2002/05/18 21:48:15 tom Exp $
+.\" $Id: curs_get_wstr.3x,v 1.6 2006/02/25 21:49:19 tom Exp $

 .TH curs_get_wstr 3X ""
 .TH curs_get_wstr 3X ""

+.na
+.hy 0

 .SH NAME
 \fBget_wstr\fR,
 \fBgetn_wstr\fR,
 .SH NAME
 \fBget_wstr\fR,
 \fBgetn_wstr\fR,


@@ -37,10 +39,12 @@
 \fBmvgetn_wstr\fR,
 \fBmvwget_wstr\fR,
 \fBmvwgetn_wstr\fR \- get an array of wide characters from a curses terminal keyboard
 \fBmvgetn_wstr\fR,
 \fBmvwget_wstr\fR,
 \fBmvwgetn_wstr\fR \- get an array of wide characters from a curses terminal keyboard

+.ad
+.hy

 .SH SYNOPSIS
 .nf
 \fB#include <curses.h>\fR
 .SH SYNOPSIS
 .nf
 \fB#include <curses.h>\fR

-
+.sp

 \fBint get_wstr(wint_t *\fR\fIwstr\fR\fB);\fR
 .br
 \fBint getn_wstr(wint_t *\fR\fIwstr\fR\fB, int \fR\fIn\fR\fB);\fR
 \fBint get_wstr(wint_t *\fR\fIwstr\fR\fB);\fR
 .br
 \fBint getn_wstr(wint_t *\fR\fIwstr\fR\fB, int \fR\fIn\fR\fB);\fR


@@ -68,22 +72,22 @@ An end-of-file condition is represented by \fBWEOF\fR, as defined in \fB<wchar.h
 The newline and end-of-line conditions are represented by the \fB\\n\fR \fBwchar_t\fR value.
 In all instances, the end of the string is terminated by a null \fBwchar_t\fR.
 The routine places resulting values in the area pointed to by \fIwstr\fR.
 The newline and end-of-line conditions are represented by the \fB\\n\fR \fBwchar_t\fR value.
 In all instances, the end of the string is terminated by a null \fBwchar_t\fR.
 The routine places resulting values in the area pointed to by \fIwstr\fR.

-
+.PP

 The user's erase and kill characters are interpreted.  If keypad
 mode is on for the window, \fBKEY_LEFT\fR and \fBKEY_BACKSPACE\fR
 are both considered equivalent to the user's kill character.
 The user's erase and kill characters are interpreted.  If keypad
 mode is on for the window, \fBKEY_LEFT\fR and \fBKEY_BACKSPACE\fR
 are both considered equivalent to the user's kill character.

-
+.PP

 Characters input are echoed only if \fBecho\fR is currently on.  In that case,
 backspace is echoed as deletion of the previous character (typically a left
 motion).
 Characters input are echoed only if \fBecho\fR is currently on.  In that case,
 backspace is echoed as deletion of the previous character (typically a left
 motion).

-
+.PP

 The effect of
 \fBwget_wstr\fR
 is as though a series of
 calls to
 \fBwget_wch\fR
 were made.
 The effect of
 \fBwget_wstr\fR
 is as though a series of
 calls to
 \fBwget_wch\fR
 were made.

-
+.PP

 The effect of
 \fBmvget_wstr\fR
 is as though a call to
 The effect of
 \fBmvget_wstr\fR
 is as though a call to


@@ -92,7 +96,7 @@ and then a series of calls to
 \fBget_wch\fR
 were
 made.
 \fBget_wch\fR
 were
 made.

-
+.PP

 The effect of
 \fBmvwget_wstr\fR
 is as though a call to
 The effect of
 \fBmvwget_wstr\fR
 is as though a call to


@@ -100,7 +104,7 @@ is as though a call to
 and then a series of calls to
 \fBwget_wch\fR
 were made.
 and then a series of calls to
 \fBwget_wch\fR
 were made.

-
+.PP

 The
 \fBgetn_wstr\fR,
 \fBmvgetn_wstr\fR,
 The
 \fBgetn_wstr\fR,
 \fBmvgetn_wstr\fR,


@@ -135,14 +139,21 @@ The use of
 \fBmvgetn_wstr\fR,
 \fBmvwgetn_wstr\fR, or
 \fBwgetn_wstr\fR, respectively, is recommended.
 \fBmvgetn_wstr\fR,
 \fBmvwgetn_wstr\fR, or
 \fBwgetn_wstr\fR, respectively, is recommended.

-
+.PP

 These functions cannot return \fBKEY_\fR values because there
 is no way to distinguish a \fBKEY_\fR value from a valid \fBwchar_t\fR value.
 These functions cannot return \fBKEY_\fR values because there
 is no way to distinguish a \fBKEY_\fR value from a valid \fBwchar_t\fR value.

-
+.PP

 All of these routines except \fBwgetn_wstr\fR may be macros.
 .SH RETURN VALUES
 All of these functions return \fBOK\fR upon successful completion.
 Otherwise, they return \fBERR\fR.
 All of these routines except \fBwgetn_wstr\fR may be macros.
 .SH RETURN VALUES
 All of these functions return \fBOK\fR upon successful completion.
 Otherwise, they return \fBERR\fR.

+.PP
+Functions using a window parameter return an error if it is null.
+.RS
+.TP 5
+\fBwgetn_wstr\fP
+returns an error if the associated call to \fBwget_wch\fP failed.
+.RE

 .SH PORTABILITY
 These functions are described in The Single Unix Specification, Version 2.
 No error conditions are defined.
 .SH PORTABILITY
 These functions are described in The Single Unix Specification, Version 2.
 No error conditions are defined.


@@ -151,6 +162,9 @@ or if the lower-level \fBwget_wch\fR call returns an ERR.
 In the latter case,
 an ERR return without other data is treated as an end-of-file condition,
 and the returned array contains a \fBWEOF\fR followed by a null \fBwchar_t\fR.
 In the latter case,
 an ERR return without other data is treated as an end-of-file condition,
 and the returned array contains a \fBWEOF\fR followed by a null \fBwchar_t\fR.

+.PP
+X/Open curses documents these functions to pass an array of \fBwchar_t\fR,
+but all of the vendors implement this using \fBwint_t\fR.

 .SH SEE ALSO
 Functions:
 \fBcurses\fR(3X),
 .SH SEE ALSO
 Functions:
 \fBcurses\fR(3X),