X-Git-Url: http://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=man%2Fmitem_new.3x;h=7a0178ac66c008f8c7dfd26de6d2ee12a6f9b951;hb=414771292d2331e48bc09f49813998adc33929e2;hp=e61febfa9c67efaa8bb07491ed770802d729e363;hpb=3a9b6a3bf0269231bef7de74757a910dedd04e0c;p=ncurses.git diff --git a/man/mitem_new.3x b/man/mitem_new.3x index e61febfa..7a0178ac 100644 --- a/man/mitem_new.3x +++ b/man/mitem_new.3x @@ -1,49 +1,91 @@ '\" t +.\"*************************************************************************** +.\" Copyright 2018-2021,2022 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 * +.\" "Software"), to deal in the Software without restriction, including * +.\" without limitation the rights to use, copy, modify, merge, publish, * +.\" distribute, distribute with modifications, sublicense, and/or sell * +.\" copies of the Software, and to permit persons to whom the Software is * +.\" furnished to do so, subject to the following conditions: * +.\" * +.\" The above copyright notice and this permission notice shall be included * +.\" in all copies or substantial portions of the Software. * +.\" * +.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * +.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * +.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * +.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * +.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * +.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * +.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. * +.\" * +.\" Except as contained in this notice, the name(s) of the above copyright * +.\" holders shall not be used in advertising or otherwise to promote the * +.\" sale, use or other dealings in this Software without prior written * +.\" authorization. * +.\"*************************************************************************** +.\" +.\" $Id: mitem_new.3x,v 1.22 2022/02/12 20:02:20 tom Exp $ .TH mitem_new 3X "" .SH NAME -\fBmitem_new\fR - create and destroy menu items +\fBnew_item\fP, +\fBfree_item\fP \- create and destroy menu items .SH SYNOPSIS -\fB#include \fR +\fB#include \fP +.sp +\fBITEM *new_item(const char *\fIname\fB, const char *\fIdescription\fB);\fR .br -ITEM *new_item(const char *name, const char *description); -.br -int free_item(ITEM *item); +\fBint free_item(ITEM *\fIitem\fB);\fR .br .SH DESCRIPTION -The function \fBnew_item\fR allocates a new item and initializes it from the -\fBname\fR and \fBdescription\fR pointers. +The function \fBnew_item\fP allocates a new item and initializes it from the +\fBname\fP and \fBdescription\fP 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. +The function \fBfree_item\fP 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. - -The function \fBfree_item\fR returns one of the following: +The function \fBnew_item\fP returns \fBNULL\fP on error. +It sets \fBerrno\fP according to the function's failure: .TP 5 -\fBE_OK\fR -The routine succeeded. +.B E_BAD_ARGUMENT +Routine detected an incorrect or out-of-range argument. .TP 5 -\fBE_SYSTEM_ERROR\fR -System error occurred (see \fBerrno\fR). +.B E_SYSTEM_ERROR +System error occurred, e.g., malloc failure. +.PP +The function \fBfree_item\fP returns one of the following: .TP 5 -\fBE_BAD_ARGUMENT\fR +.B E_OK +The routine succeeded. +.TP 5 +.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\fP(3)). .SH SEE ALSO -\fBcurses\fR(3X), \fBmenu\fR(3X). +\fBcurses\fP(3X), \fBmenu\fP(3X). .SH NOTES -The header file \fB\fR automatically includes the header file -\fB\fR. +The header file \fB\fP automatically includes the header file +\fB\fP. .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.