ncurses 6.2 - patch 20210109

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

diff --git a/man/curs_addstr.3x b/man/curs_addstr.3x
index d98b456ce09fae2f045b6e1bcc516dcdc9fc3d09..6f280e64ee1bae44e5606eb415cd21d5fcfd5ab1 100644 (file)
--- a/man/curs_addstr.3x
+++ b/man/curs_addstr.3x
@@ -1,5 +1,6 @@
 .\"***************************************************************************
 .\"***************************************************************************

-.\" Copyright (c) 1998-2005,2010 Free Software Foundation, Inc.              *
+.\" Copyright 2019,2020 Thomas E. Dickey                                     *
+.\" Copyright 1998-2012,2017 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            *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *


@@ -26,8 +27,16 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"

-.\" $Id: curs_addstr.3x,v 1.15 2010/08/14 23:29:16 tom Exp $
+.\" $Id: curs_addstr.3x,v 1.23 2020/10/17 23:11:02 tom Exp $

 .TH curs_addstr 3X ""
 .TH curs_addstr 3X ""

+.ie \n(.g .ds `` \(lq
+.el       .ds `` ``
+.ie \n(.g .ds '' \(rq
+.el       .ds '' ''
+.de bP
+.ie n  .IP \(bu 4
+.el    .IP \(bu 2
+..

 .na
 .hy 0
 .SH NAME
 .na
 .hy 0
 .SH NAME


@@ -52,7 +61,7 @@
 \fBint waddstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB);\fR
 .br
 \fBint waddnstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR
 \fBint waddstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB);\fR
 .br
 \fBint waddnstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR

-.br
+.sp

 \fBint mvaddstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB);\fR
 .br
 \fBint mvaddnstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR
 \fBint mvaddstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB);\fR
 .br
 \fBint mvaddnstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR


@@ -62,40 +71,49 @@
 \fBint mvwaddnstr(WINDOW *\fR\fIwin\fR\fB, int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr, int \fR\fIn\fR\fB);\fR
 .fi
 .SH DESCRIPTION
 \fBint mvwaddnstr(WINDOW *\fR\fIwin\fR\fB, int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr, int \fR\fIn\fR\fB);\fR
 .fi
 .SH DESCRIPTION

-These routines write the characters of the (null-terminated) character string
+These functions write the (null-terminated) character string

 \fIstr\fR on the given window.
 \fIstr\fR on the given window.

-It is similar to calling \fBwaddch\fR once for each character in the string.
-The four routines with \fIn\fR as the last argument
-write at most \fIn\fR characters.
-If \fIn\fR is \-1, then the entire string will be added,
-up to the maximum number of characters that will fit on the line,
+It is similar to calling \fBwaddch\fR once for each byte in the string.
+.PP
+The \fImv\fR functions perform cursor movement once, before writing any
+characters.
+Thereafter, the cursor is advanced as a side-effect of writing to the window.
+.PP
+The four functions with \fIn\fR as the last argument
+write at most \fIn\fR bytes,

 or until a terminating null is reached.
 or until a terminating null is reached.

+If \fIn\fR is \-1, then the entire string will be added.

 .SH RETURN VALUE
 .SH RETURN VALUE

-All routines return the integer \fBERR\fR upon failure and \fBOK\fR on success
-(the SVr4 manuals specify only "an integer value other than \fBERR\fR") upon
-successful completion.
+All functions return the integer \fBERR\fR upon failure and \fBOK\fR on success.

 .PP
 X/Open does not define any error conditions.
 This implementation returns an error
 .PP
 X/Open does not define any error conditions.
 This implementation returns an error

+.bP

 if the window pointer is null or
 if the window pointer is null or

+.bP

 if the string pointer is null or
 if the string pointer is null or

+.bP

 if the corresponding calls to \fBwaddch\fP return an error.
 .PP
 if the corresponding calls to \fBwaddch\fP return an error.
 .PP

-Functions with a "mv" prefix first perform a cursor movement using
+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.
 \fBwmove\fP, and return an error if the position is outside the window,
 or if the window pointer is null.

+If an error is returned by the \fBwmove\fP,
+no characters are added to the window.
+.PP
+If an error is returned by \fBwaddch\fP
+(e.g.,
+because the window is not large enough,
+or an illegal byte sequence was detected)
+only part of the string may be added.
+Aside from that,
+there is a special case in \fBwaddch\fP where an error may be
+returned after successfully writing a character to the lower-right corner
+of a window when \fBscrollok\fP is disabled.

 .SH NOTES
 .SH NOTES

-Note that all of these routines except \fBwaddstr\fR and \fBwaddnstr\fR may be
-macros.
+All of these functions except \fBwaddnstr\fR may be macros.

 .SH PORTABILITY
 .SH PORTABILITY

-All these entry points are described in the XSI Curses standard, Issue 4.  The
-XSI errors EILSEQ and EOVERFLOW, associated with extended-level conformance,
-are not yet detected.
+These functions are described in the XSI Curses standard, Issue 4.

 .SH SEE ALSO
 .SH SEE ALSO

-\fBcurses\fR(3X), \fBcurs_addch\fR(3X).
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+\fBcurses\fR(3X),
+\fBcurs_addch\fR(3X).