ncurses 6.2 - patch 20201205

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

diff --git a/man/form_field_buffer.3x b/man/form_field_buffer.3x
index 48594731fe4e2c4e6134cb33ad953b8d55603395..98b2e42dc831bb3356e7b9b090adbede5b20e445 100644 (file)
--- a/man/form_field_buffer.3x
+++ b/man/form_field_buffer.3x
@@ -1,6 +1,7 @@
 '\" t
 .\"***************************************************************************
-.\" Copyright (c) 1998-2008,2010 Free Software Foundation, Inc.              *
+.\" Copyright 2018-2019,2020 Thomas E. Dickey                                *
+.\" Copyright 1998-2010,2017 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            *
@@ -27,25 +28,30 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: form_field_buffer.3x,v 1.18 2010/09/18 20:22:01 tom Exp $
+.\" $Id: form_field_buffer.3x,v 1.27 2020/10/24 09:27:17 tom Exp $
 .TH form_field_buffer 3X ""
+.ie \n(.g .ds `` \(lq
+.el       .ds `` ``
+.ie \n(.g .ds '' \(rq
+.el       .ds '' ''
 .de bP
-.IP \(bu 4
+.ie n  .IP \(bu 4
+.el    .IP \(bu 2
 ..
 .SH NAME
 \fBform_field_buffer\fR \- field buffer control
 .SH SYNOPSIS
 \fB#include <form.h>\fR
 .sp
-int set_field_buffer(FIELD *field, int buf, const char *value);
+\fBint set_field_buffer(FIELD *\fP\fIfield\fP\fB, int \fP\fIbuf\fP\fB, const char *\fP\fIvalue\fP\fB);\fP
 .br
-char *field_buffer(const FIELD *field, int buffer);
-.br
-int set_field_status(FIELD *field, bool status);
-.br
-bool field_status(const FIELD *field);
+\fBchar *field_buffer(const FIELD *\fP\fIfield\fP\fB, int \fP\fIbuffer\fP\fB);\fP
+.sp
+\fBint set_field_status(FIELD *\fP\fIfield\fP\fB, bool \fP\fIstatus\fP\fB);\fP
 .br
-int set_max_field(FIELD *field, int max);
+\fBbool field_status(const FIELD *\fP\fIfield\fP\fB);\fP
+.sp
+\fBint set_max_field(FIELD *\fP\fIfield\fP\fB, int \fP\fImax\fP\fB);\fP
 .br
 .SH DESCRIPTION
 The function \fBset_field_buffer\fR sets the numbered buffer of the given field
@@ -85,14 +91,15 @@ for long-term storage of form data.
 .RE
 .PP
 The function \fBset_field_status\fR sets the associated status flag of
-\fIfield\fR; \fBfield_status\fR gets the current value.  The status flag
+\fIfield\fR; \fBfield_status\fR gets the current value.
+The status flag
 is set to a nonzero value whenever the field changes.
 .PP
 The function \fBset_max_field\fR sets the maximum size for a dynamic field.
 An argument of 0 turns off any maximum size threshold for that field.
 .SH RETURN VALUE
 The \fBfield_buffer\fR function returns NULL on error.
-It sets errno according to their success:
+It sets \fBerrno\fP according to their success:
 .TP 5
 .B E_OK
 The routine succeeded.
@@ -108,12 +115,12 @@ The remaining routines return one of the following:
 The routine succeeded.
 .TP 5
 .B E_SYSTEM_ERROR
-System error occurred (see \fBerrno\fR).
+System error occurred (see \fBerrno\fR(3)).
 .TP 5
 .B E_BAD_ARGUMENT
 Routine detected an incorrect or out-of-range argument.
 .SH SEE ALSO
-\fBcurses\fR(3X) and related pages whose names begin "form_" for detailed
+\fBcurses\fR(3X) and related pages whose names begin \*(``form_\*('' for detailed
 descriptions of the entry points.
 .SH NOTES
 The header file \fB<form.h>\fR automatically includes the header file
@@ -125,14 +132,13 @@ It will be freed on the next call to \fBfield_buffer\fP to return the
 same buffer.
 \fB<curses.h>\fR.
 .SH PORTABILITY
-These routines emulate the System V forms library.  They were not supported on
+These routines emulate the System V forms library.
+They were not supported on
 Version 7 or BSD versions.
+.PP
+The \fBset_max_field\fP function checks for an ncurses extension
+\fBO_INPUT_FIELD\fP which allows a dynamic field to shrink if the new
+limit is smaller than the current field size.
 .SH AUTHORS
-Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric
-S. Raymond.
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+Juergen Pfeifer.
+Manual pages and adaptation for new curses by Eric S. Raymond.