ncurses 5.9 - patch 20150425

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

diff --git a/man/curs_termcap.3x b/man/curs_termcap.3x
index f8977bebca9c9c49abf6d346392de98acbff11b2..2f0eea875838882c71d616d0c0bc67d0e93ec5a7 100644 (file)
--- a/man/curs_termcap.3x
+++ b/man/curs_termcap.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
 .\"***************************************************************************

-.\" Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+.\" Copyright (c) 1998-2013,2015 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            *


@@ -26,7 +26,7 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"

-.\" $Id: curs_termcap.3x,v 1.30 2013/01/19 15:58:48 tom Exp $
+.\" $Id: curs_termcap.3x,v 1.31 2015/04/26 00:49:10 tom Exp $

 .TH curs_termcap 3X ""
 .de bP
 .IP \(bu 4
 .TH curs_termcap 3X ""
 .de bP
 .IP \(bu 4


@@ -121,9 +121,24 @@ or \-1 if it is not available.
 The \fBtgetstr\fR routine returns the string entry for \fIid\fR,
 or zero if it is not available.
 Use \fBtputs\fR to output the returned string.
 The \fBtgetstr\fR routine returns the string entry for \fIid\fR,
 or zero if it is not available.
 Use \fBtputs\fR to output the returned string.

-The return value will also be copied to the buffer pointed to by \fIarea\fR,
+The \fIarea\fP parameter is used as follows:
+.RS 3
+.bP
+It is assumed to be the address of a pointer to a buffer managed by the
+calling application.
+.bP
+However, ncurses checks to ensure that \fBarea\fP is not NULL,
+and also that the resulting buffer pointer is not NULL.
+If either check fails, the \fIarea\fP parameter is ignored.
+.bP
+If the checks succeed, ncurses also copies the return value to
+the buffer pointed to by \fIarea\fR,

 and the \fIarea\fR value will be updated to point past the null ending
 this value.
 and the \fIarea\fR value will be updated to point past the null ending
 this value.

+.bP
+The return value itself is an address in the terminal description which
+is loaded into memory.
+.RE

 .PP
 Only the first two characters of the \fBid\fR parameter of
 \fBtgetflag\fR,
 .PP
 Only the first two characters of the \fBid\fR parameter of
 \fBtgetflag\fR,