Mercurial > hg > early-roguelike
view rogue5/list.c @ 223:0e99eade579c
Generate text documentation from the troff source files.
This is done by make, in the 'docs' target, which is now part of the
normal build process.
Unfortunately, not all the games include troff sources. Getting decent
HTML output from groff is still a difficult process which will not be
attempted at this time. There are a few bugs in the 'install' and
'uninstall' rules.
Not to mention that the documentation is sometimes inaccurate.
author | John "Elwin" Edwards |
---|---|
date | Sun, 21 Feb 2016 20:47:12 -0500 |
parents | f502bf60e6e4 |
children |
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/* * Functions for dealing with linked lists of goodies * * @(#)list.c 4.12 (Berkeley) 02/05/99 * * Rogue: Exploring the Dungeons of Doom * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman * All rights reserved. * * See the file LICENSE.TXT for full copyright and licensing information. */ #include <stdlib.h> #include <curses.h> #include "rogue.h" #ifdef MASTER int total = 0; /* total dynamic memory bytes */ #endif /* * detach: * takes an item out of whatever linked list it might be in */ void _detach(THING **list, THING *item) { if (*list == item) *list = next(item); if (prev(item) != NULL) item->l_prev->l_next = next(item); if (next(item) != NULL) item->l_next->l_prev = prev(item); item->l_next = NULL; item->l_prev = NULL; } /* * _attach: * add an item to the head of a list */ void _attach(THING **list, THING *item) { if (*list != NULL) { item->l_next = *list; (*list)->l_prev = item; item->l_prev = NULL; } else { item->l_next = NULL; item->l_prev = NULL; } *list = item; } /* * _free_list: * Throw the whole blamed thing away */ void _free_list(THING **ptr) { THING *item; while (*ptr != NULL) { item = *ptr; *ptr = next(item); discard(item); } } /* * discard: * Free up an item */ void discard(THING *item) { #ifdef MASTER total--; #endif free(item); } /* * new_item * Get a new item with a specified size */ THING * new_item(void) { THING *item; if ((item = calloc(1, sizeof *item)) == NULL) { #ifdef MASTER msg("ran out of memory after %d items", total); #endif return NULL; } #ifdef MASTER total++; #endif item->l_next = NULL; item->l_prev = NULL; return item; }