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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.101 by root, Mon Oct 29 23:55:52 2012 UTC vs.
Revision 1.106 by root, Wed Nov 14 22:52:13 2018 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.
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.
127 130
128 LOG (llevError, "fork abort: %s\n", msg); 131 LOG (llevError, "fork abort: %s\n", msg);
129} 132}
130 133
131void * 134void *
132salloc_ (int n) throw (std::bad_alloc) 135salloc_ (int n)
133{ 136{
134 void *ptr = g_slice_alloc (n); 137 void *ptr = g_slice_alloc (n);
135 138
136 if (!ptr) 139 if (!ptr)
137 throw std::bad_alloc (); 140 throw std::bad_alloc ();
139 slice_alloc += n; 142 slice_alloc += n;
140 return ptr; 143 return ptr;
141} 144}
142 145
143void * 146void *
144salloc_ (int n, void *src) throw (std::bad_alloc) 147salloc_ (int n, void *src)
145{ 148{
146 void *ptr = salloc_ (n); 149 void *ptr = salloc_ (n);
147 150
148 if (src) 151 if (src)
149 memcpy (ptr, src, n); 152 memcpy (ptr, src, n);
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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