X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fmitem_new.3x;h=ce52044f128052e50e03cf1d08aa3aca1073a18f;hp=afba950b13b83bb15a640cb0348142a67b6ec6f5;hb=42259b594b5dabd37fe2bc294051d2db82e873a2;hpb=a8987e73ec254703634802b4f7ee30d3a485524d;ds=inline diff --git a/man/mitem_new.3x b/man/mitem_new.3x index afba950b..ce52044f 100644 --- a/man/mitem_new.3x +++ b/man/mitem_new.3x @@ -1,6 +1,7 @@ '\" t .\"*************************************************************************** -.\" Copyright (c) 1998,2003 Free Software Foundation, Inc. * +.\" Copyright 2018-2019,2020 Thomas E. Dickey * +.\" Copyright 1998-2010,2015 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 * @@ -27,57 +28,64 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: mitem_new.3x,v 1.8 2003/10/25 20:08:57 Jared.Yanovich Exp $ +.\" $Id: mitem_new.3x,v 1.19 2020/10/18 00:37:03 tom Exp $ .TH mitem_new 3X "" .SH NAME -\fBmitem_new\fR - create and destroy menu items +\fBnew_item\fP, +\fBfree_item\fR \- create and destroy menu items .SH SYNOPSIS \fB#include \fR +.sp +\fBITEM *new_item(const char *\fP\fIname\fP\fB, const char *\fP\fIdescription\fP\fB);\fP .br -ITEM *new_item(const char *name, const char *description); -.br -int free_item(ITEM *item); +\fBint free_item(ITEM *\fP\fIitem\fP\fB);\fP .br .SH DESCRIPTION The function \fBnew_item\fR allocates a new item and initializes it from the -\fBname\fR and \fBdescription\fR pointers. Please notice that the item stores -only the pointers to the name and description. Those pointers must be valid -during the lifetime of the item. So you should be very careful with names +\fBname\fR and \fBdescription\fR pointers. +Please notice that the item stores +only the pointers to the name and description. +Those pointers must be valid +during the lifetime of the item. +So you should be very careful with names or descriptions allocated on the stack of some routines. .br -The function \fBfree_item\fR de-allocates an item. Please notice that it +The function \fBfree_item\fR de-allocates an item. +Please notice that it is the responsibility of the application to release the memory for the name or the description of the item. .SH RETURN VALUE The function \fBnew_item\fR returns \fBNULL\fR on error. - +It sets \fBerrno\fP according to the function's failure: +.TP 5 +.B E_BAD_ARGUMENT +Routine detected an incorrect or out-of-range argument. +.TP 5 +.B E_SYSTEM_ERROR +System error occurred, e.g., malloc failure. +.PP The function \fBfree_item\fR returns one of the following: .TP 5 -\fBE_OK\fR +.B E_OK The routine succeeded. .TP 5 -\fBE_SYSTEM_ERROR\fR -System error occurred (see \fBerrno\fR). -.TP 5 -\fBE_BAD_ARGUMENT\fR +.B E_BAD_ARGUMENT Routine detected an incorrect or out-of-range argument. .TP 5 -\fBE_CONNECTED\fR +.B E_CONNECTED Item is connected to a menu. +.TP 5 +.B E_SYSTEM_ERROR +System error occurred (see \fBerrno\fR(3)). .SH SEE ALSO \fBcurses\fR(3X), \fBmenu\fR(3X). .SH NOTES The header file \fB\fR automatically includes the header file \fB\fR. .SH PORTABILITY -These routines emulate the System V menu library. They were not supported on +These routines emulate the System V menu library. +They were not supported on Version 7 or BSD versions. .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.