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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.100 by root, Tue Jan 3 11:25:31 2012 UTC vs.
Revision 1.105 by root, Thu Jan 19 21:51:43 2017 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * 5 *
6 * Deliantra is free software: you can redistribute it and/or modify it under 6 * Deliantra is free software: you can redistribute it and/or modify it under
7 * the terms of the Affero GNU General Public License as published by the 7 * the terms of the Affero GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or (at your 8 * Free Software Foundation, either version 3 of the License, or (at your
9 * option) any later version. 9 * option) any later version.
10 * 10 *
11 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details. 14 * GNU General Public License for more details.
15 * 15 *
16 * You should have received a copy of the Affero GNU General Public License 16 * You should have received a copy of the Affero GNU General Public License
17 * and the GNU General Public License along with this program. If not, see 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>. 18 * <http://www.gnu.org/licenses/>.
19 * 19 *
20 * The authors can be reached via e-mail to <support@deliantra.net> 20 * The authors can be reached via e-mail to <support@deliantra.net>
21 */ 21 */
22 22
23/* 23/*
24 * General convenience functions for deliantra. 24 * General convenience functions for deliantra.
63/******************************************************************************/ 63/******************************************************************************/
64 64
65/* Checks a player-provided string which will become the msg property of 65/* Checks a player-provided string which will become the msg property of
66 * an object for dangerous input. 66 * an object for dangerous input.
67 */ 67 */
68bool 68bool
69msg_is_safe (const char *msg) 69msg_is_safe (const char *msg)
70{ 70{
71 bool safe = true; 71 bool safe = true;
72 72
73 /* Trying to cheat by getting data into the object */ 73 /* Trying to cheat by getting data into the object */
92 signal (SIGINT , SIG_IGN); 92 signal (SIGINT , SIG_IGN);
93 signal (SIGTERM, SIG_IGN); 93 signal (SIGTERM, SIG_IGN);
94 signal (SIGABRT, SIG_IGN); 94 signal (SIGABRT, SIG_IGN);
95 95
96 signal (SIGSEGV, SIG_DFL); 96 signal (SIGSEGV, SIG_DFL);
97 signal (SIGFPE , SIG_DFL);
98#ifdef SIGBUS
97 signal (SIGBUS , SIG_DFL); 99 signal (SIGBUS , SIG_DFL);
100#endif
98 signal (SIGILL , SIG_DFL); 101 signal (SIGILL , SIG_DFL);
99 signal (SIGTRAP, SIG_DFL); 102 signal (SIGTRAP, SIG_DFL);
100 103
101 // try to put corefiles into a subdirectory, if existing, to allow 104 // try to put corefiles into a subdirectory, if existing, to allow
102 // an administrator to reduce the I/O load. 105 // an administrator to reduce the I/O load.
199 202
200/******************************************************************************/ 203/******************************************************************************/
201 204
202refcnt_buf::refcnt_buf (size_t size) 205refcnt_buf::refcnt_buf (size_t size)
203{ 206{
204 _alloc (size); 207 static uint32_t empty_buf [2] = { 0, 1 }; // 2 == never deallocated
208 data = (char *)empty_buf + overhead;
209 assert (overhead == sizeof (empty_buf));
210 inc ();
205} 211}
206 212
207refcnt_buf::refcnt_buf (void *data, size_t size) 213refcnt_buf::refcnt_buf (void *data, size_t size)
208{ 214{
209 _alloc (size); 215 _alloc (size);
213refcnt_buf::~refcnt_buf () 219refcnt_buf::~refcnt_buf ()
214{ 220{
215 dec (); 221 dec ();
216} 222}
217 223
224void
225refcnt_buf::_dealloc ()
226{
227 sfree<char> (data - overhead, size () + overhead);
228}
229
218refcnt_buf & 230refcnt_buf &
219refcnt_buf::operator =(const refcnt_buf &src) 231refcnt_buf::operator =(const refcnt_buf &src)
220{ 232{
221 dec (); 233 dec ();
222 data = src.data; 234 data = src.data;
223 ++_refcnt (); 235 inc ();
224 return *this; 236 return *this;
225} 237}
226 238
227/******************************************************************************/ 239/******************************************************************************/
228 240

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