[ViewVC] Diff of: cvs/deliantra/server/common/utils.C

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.20 by root, Mon Dec 11 21:32:16 2006 UTC vs.
Revision 1.84 by root, Tue Dec 30 07:24:16 2008 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/*	24	/*
25	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
26	*/	26	*/
27		27
		28	#include <cstdlib>
		29	#include <sys/types.h>
		30	#include <unistd.h>
		31	#include <sys/time.h>
		32	#include <time.h>
		33	#include <signal.h>
		34
28	#include <global.h>	35	#include <global.h>
29	#include <funcpoint.h>
30	#include <material.h>	36	#include <material.h>
31		37
		38	#include <sys/time.h>
		39	#include <sys/resource.h>
		40
32	#include <glib.h>	41	#include <glib.h>
		42
		43	refcnt_base::refcnt_t refcnt_dummy;
		44	ssize_t slice_alloc;
		45	rand_gen rndm, rmg_rndm;
		46
		47	void
		48	tausworthe_random_generator::seed (uint32_t seed)
		49	{
		50	state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
		51	state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
		52	state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
		53	state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
		54
		55	for (int i = 11; --i; )
		56	next ();
		57	}
		58
		59	uint32_t
		60	tausworthe_random_generator::next ()
		61	{
		62	state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
		63	state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
		64	state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
		65	state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
		66
		67	return state [0] ^ state [1] ^ state [2] ^ state [3];
		68	}
		69
		70	template<class generator>
		71	uint32_t
		72	random_number_generator<generator>::get_range (uint32_t num)
		73	{
		74	return (this->next () * (uint64_t)num) >> 32U;
		75	}
		76
		77	// return a number within (min .. max)
		78	template<class generator>
		79	int
		80	random_number_generator<generator>::get_range (int r_min, int r_max)
		81	{
		82	return r_min + get_range (max (r_max - r_min + 1, 0));
		83	}
		84
		85	template struct random_number_generator<tausworthe_random_generator>;
		86	template struct random_number_generator<xorshift_random_generator>;
33		87
34	/*	88	/*
35	* The random functions here take luck into account when rolling random	89	* The random functions here take luck into account when rolling random
36	* dice or numbers. This function has less of an impact the larger the	90	* dice or numbers. This function has less of an impact the larger the
37	* difference becomes in the random numbers. IE, the effect is lessened	91	* difference becomes in the random numbers. IE, the effect is lessened
44	* Roll a random number between min and max. Uses op to determine luck,	98	* Roll a random number between min and max. Uses op to determine luck,
45	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.	99	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
46	* Generally, op should be the player/caster/hitter requesting the roll,	100	* Generally, op should be the player/caster/hitter requesting the roll,
47	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	101	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
48	*/	102	*/
49
50	int	103	int
51	random_roll (int min, int max, const object *op, int goodbad)	104	random_roll (int r_min, int r_max, const object *op, int goodbad)
52	{	105	{
53	int omin, diff, luck, base, ran;	106	r_max = max (r_min, r_max);
54		107
55	omin = min;	108	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
56	diff = max - min + 1;
57	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
58		109
59	if (max < 1 \|\| diff < 1)
60	{
61	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);
62	return (min); /* avoids a float exception */
63	}
64
65	ran = RANDOM ();
66
67	if (op->type != PLAYER)	110	if (op->type == PLAYER)
68	return ((ran % diff) + min);	111	{
69
70	luck = op->stats.luck;	112	int luck = op->stats.luck;
71	if (RANDOM () % base < MIN (10, abs (luck)))	113
		114	if (rndm (base) < min (10, abs (luck)))
		115	{
		116	//TODO: take luck into account
		117	}
72	{	118	}
73	/* we have a winner */
74	((luck > 0) ? (luck = 1) : (luck = -1));
75	diff -= luck;
76	if (diff < 1)
77	return (omin); /check again /
78	((goodbad) ? (min += luck) : (diff));
79		119
80	return (MAX (omin, MIN (max, (ran % diff) + min)));	120	return rndm (r_min, r_max);
81	}
82	return ((ran % diff) + min);
83	}	121	}
84		122
85	/*	123	/*
86	* This is a 64 bit version of random_roll above. This is needed	124	* This is a 64 bit version of random_roll above. This is needed
87	* for exp loss calculations for players changing religions.	125	* for exp loss calculations for players changing religions.
88	*/	126	*/
89
90	sint64	127	sint64
91	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)	128	random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad)
92	{	129	{
93	sint64 omin, diff, luck, ran;	130	sint64 omin = r_min;
94	int base;	131	sint64 range = max (0, r_max - r_min + 1);
		132	int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */
95		133
96	omin = min;	134	/*
97	diff = max - min + 1;
98	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
99
100	if (max < 1 \|\| diff < 1)
101	{
102	LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
103	return (min); /* avoids a float exception */
104	}
105
106	/* Don't know of a portable call to get 64 bit random values.
107	* So make a call to get two 32 bit random numbers, and just to	135	* Make a call to get two 32 bit unsigned random numbers, and just to
108	* a little byteshifting. Do make sure the first one is only	136	* a little bitshifting.
109	* 32 bit, so we don't get skewed results
110	*/	137	*/
111	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);	138	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
112		139
113	if (op->type != PLAYER)	140	if (op->type != PLAYER)
114	return ((ran % diff) + min);	141	return ((ran % range) + r_min);
115		142
116	luck = op->stats.luck;	143	int luck = op->stats.luck;
		144
117	if (RANDOM () % base < MIN (10, abs (luck)))	145	if (rndm (base) < min (10, abs (luck)))
118	{	146	{
119	/* we have a winner */	147	/* we have a winner */
120	((luck > 0) ? (luck = 1) : (luck = -1));	148	((luck > 0) ? (luck = 1) : (luck = -1));
121	diff -= luck;	149	range -= luck;
122	if (diff < 1)	150	if (range < 1)
123	return (omin); /check again /	151	return (omin); /check again /
		152
124	((goodbad) ? (min += luck) : (diff));	153	((goodbad) ? (r_min += luck) : (range));
125		154
126	return (MAX (omin, MIN (max, (ran % diff) + min)));	155	return (max (omin, min (r_max, (ran % range) + r_min)));
127	}	156	}
128	return ((ran % diff) + min);	157
		158	return ran % range + r_min;
129	}	159	}
130		160
131	/*	161	/*
132	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	162	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,
133	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.	163	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.
134	* Generally, op should be the player/caster/hitter requesting the roll,	164	* Generally, op should be the player/caster/hitter requesting the roll,
135	* not the recipient (ie, the poor slob getting hit).	165	* not the recipient (ie, the poor slob getting hit).
136	* The args are num D size (ie 4d6) [garbled 20010916]	166	* The args are num D size (ie 4d6) [garbled 20010916]
137	*/	167	*/
138
139	int	168	int
140	die_roll (int num, int size, const object *op, int goodbad)	169	die_roll (int num, int size, const object *op, int goodbad)
141	{	170	{
142	int min, diff, luck, total, i, gotlucky, base, ran;	171	int min, luck, total, i, gotlucky;
143		172
144	diff = size;	173	int diff = size;
145	min = 1;	174	min = 1;
146	luck = total = gotlucky = 0;	175	luck = total = gotlucky = 0;
147	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	176	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		177
148	if (size < 2 \|\| diff < 1)	178	if (size < 2 \|\| diff < 1)
149	{	179	{
150	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	180	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
151	return (num); /* avoids a float exception */	181	return num; /* avoids a float exception */
152	}	182	}
153		183
154	if (op->type == PLAYER)	184	if (op->type == PLAYER)
155	luck = op->stats.luck;	185	luck = op->stats.luck;
156		186
157	for (i = 0; i < num; i++)	187	for (i = 0; i < num; i++)
158	{	188	{
159	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	189	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
160	{	190	{
161	/* we have a winner */	191	/* we have a winner */
162	gotlucky++;	192	gotlucky++;
163	((luck > 0) ? (luck = 1) : (luck = -1));	193	((luck > 0) ? (luck = 1) : (luck = -1));
164	diff -= luck;	194	diff -= luck;
165	if (diff < 1)	195	if (diff < 1)
166	return (num); /check again /	196	return (num); /check again /
167	((goodbad) ? (min += luck) : (diff));	197	((goodbad) ? (min += luck) : (diff));
168	ran = RANDOM ();
169	total += MAX (1, MIN (size, (ran % diff) + min));	198	total += MAX (1, MIN (size, rndm (diff) + min));
170	}	199	}
171	else	200	else
172	{
173	total += RANDOM () % size + 1;	201	total += rndm (size) + 1;
174	}
175	}	202	}
		203
176	return (total);	204	return total;
177	}
178
179	/*
180	* Another convenience function. Returns a number between min and max.
181	* It is suggested one use these functions rather than RANDOM()%, as it
182	* would appear that a number of off-by-one-errors exist due to improper
183	* use of %. This should also prevent SIGFPE.
184	*/
185
186	int
187	rndm (int min, int max)
188	{
189	int diff;
190
191	diff = max - min + 1;
192	if (max < 1 \|\| diff < 1)
193	return (min);
194
195	return (RANDOM () % diff + min);
196	}
197
198	/* decay and destroy persihable items in a map */
199
200	void
201	decay_objects (maptile *m)
202	{
203	int x, y, destroy;
204	object op, otmp;
205
206	if (m->unique)
207	return;
208
209	for (x = 0; x < MAP_WIDTH (m); x++)
210	for (y = 0; y < MAP_HEIGHT (m); y++)
211	for (op = get_map_ob (m, x, y); op; op = otmp)
212	{
213	destroy = 0;
214	otmp = op->above;
215	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
216	break;
217	if (QUERY_FLAG (op, FLAG_IS_FLOOR) \|\|
218	QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) \|\|
219	QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) \|\|
220	QUERY_FLAG (op, FLAG_UNIQUE) \|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) \|\| QUERY_FLAG (op, FLAG_UNPAID) \|\| IS_LIVE (op))
221	continue;
222	/* otherwise, we decay and destroy */
223	if (IS_WEAPON (op))
224	{
225	op->stats.dam--;
226	if (op->stats.dam < 0)
227	destroy = 1;
228	}
229	else if (IS_ARMOR (op))
230	{
231	op->stats.ac--;
232	if (op->stats.ac < 0)
233	destroy = 1;
234	}
235	else if (op->type == FOOD)
236	{
237	op->stats.food -= rndm (5, 20);
238	if (op->stats.food < 0)
239	destroy = 1;
240	}
241	else
242	{
243	if (op->material & M_PAPER \|\| op->material & M_LEATHER \|\|
244	op->material & M_WOOD \|\| op->material & M_ORGANIC \|\| op->material & M_CLOTH \|\| op->material & M_LIQUID)
245	destroy = 1;
246	if (op->material & M_IRON && rndm (1, 5) == 1)
247	destroy = 1;
248	if (op->material & M_GLASS && rndm (1, 2) == 1)
249	destroy = 1;
250	if ((op->material & M_STONE \|\| op->material & M_ADAMANT) && rndm (1, 10) == 1)
251	destroy = 1;
252	if ((op->material & M_SOFT_METAL \|\| op->material & M_BONE) && rndm (1, 3) == 1)
253	destroy = 1;
254	if (op->material & M_ICE && MAP_TEMP (m) > 32)
255	destroy = 1;
256	}
257	/* adjust overall chance below */
258	if (destroy && rndm (0, 1))
259	{
260	remove_ob (op);
261	free_object (op);
262	}
263	}
264	}	205	}
265		206
266	/* convert materialname to materialtype_t */	207	/* convert materialname to materialtype_t */
267		208
268	materialtype_t *	209	materialtype_t *
269	name_to_material (const char *name)	210	name_to_material (const shstr_cmp name)
270	{	211	{
271	materialtype_t mt, nmt;	212	for (materialtype_t *mt = materialt; mt; mt = mt->next)
		213	if (name == mt->name)
		214	return mt;
272		215
273	mt = NULL;
274	for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
275	{
276	if (strcmp (name, nmt->name) == 0)
277	{
278	mt = nmt;
279	break;
280	}
281	}
282	return mt;	216	return 0;
283	}	217	}
284		218
285	/* when doing transmutation of objects, we have to recheck the resistances,	219	/* when doing transmutation of objects, we have to recheck the resistances,
286	* as some that did not apply previously, may apply now.	220	* as some that did not apply previously, may apply now.
287	*/	221	*/
288
289	void	222	void
290	transmute_materialname (object op, const object change)	223	transmute_materialname (object op, const object change)
291	{	224	{
292	materialtype_t *mt;	225	materialtype_t *mt;
293	int j;	226	int j;
294		227
295	if (op->materialname == NULL)	228	if (!op->materialname)
296	return;	229	return;
297		230
298	if (change->materialname != NULL && strcmp (op->materialname, change->materialname))	231	if (change->materialname && strcmp (op->materialname, change->materialname))
299	return;	232	return;
300		233
301	if (!IS_ARMOR (op))	234	if (!op->is_armor ())
302	return;	235	return;
303		236
304	mt = name_to_material (op->materialname);	237	mt = name_to_material (op->materialname);
305	if (!mt)	238	if (!mt)
306	{	239	{
307	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);	240	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
308	return;	241	return;
309	}	242	}
310		243
311	for (j = 0; j < NROFATTACKS; j++)	244	for (j = 0; j < NROFATTACKS; j++)
312	if (op->resist[j] == 0 && change->resist[j] != 0)	245	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
323	void	256	void
324	set_materialname (object op, int difficulty, materialtype_t nmt)	257	set_materialname (object op, int difficulty, materialtype_t nmt)
325	{	258	{
326	materialtype_t mt, lmt;	259	materialtype_t mt, lmt;
327		260
328	#ifdef NEW_MATERIAL_CODE
329	int j;
330	#endif
331
332	if (op->materialname != NULL)	261	if (!op->materialname)
333	return;	262	return;
334		263
335		264	if (nmt)
336		265	lmt = nmt;
337	if (nmt == NULL)	266	else
338	{	267	{
339	lmt = NULL;	268	lmt = 0;
340	#ifndef NEW_MATERIAL_CODE	269
341	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	270	for (mt = materialt; mt; mt = mt->next)
342	{	271	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
343	if (op->material & mt->material)	272	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
344	{	273	{
345	lmt = mt;	274	lmt = mt;
		275	if (!(op->is_weapon () \|\| op->is_armor ()))
346	break;	276	break;
347	}	277	}
348	}
349
350	#else
351	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
352	{
353	if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
354	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
355	{
356	lmt = mt;
357	if (!(IS_WEAPON (op) \|\| IS_ARMOR (op)))
358	break;
359	}
360	}
361	#endif
362	}
363	else
364	{	278	}
365	lmt = nmt;	279
		280	if (lmt)
366	}	281	{
367		282	if (op->stats.dam && op->is_weapon ())
368	if (lmt != NULL)
369	{
370	#ifndef NEW_MATERIAL_CODE
371	op->materialname = lmt->name;
372	return;
373	#else
374
375	if (op->stats.dam && IS_WEAPON (op))
376	{	283	{
377	op->stats.dam += lmt->damage;	284	op->stats.dam += lmt->damage;
378	if (op->stats.dam < 1)	285	if (op->stats.dam < 1)
379	op->stats.dam = 1;	286	op->stats.dam = 1;
380	}	287	}
		288
381	if (op->stats.sp && op->type == BOW)	289	if (op->stats.sp && op->type == BOW)
382	op->stats.sp += lmt->sp;	290	op->stats.sp += lmt->sp;
383	if (op->stats.wc && IS_WEAPON (op))	291	if (op->stats.wc && op->is_weapon ())
384	op->stats.wc += lmt->wc;	292	op->stats.wc += lmt->wc;
385	if (IS_ARMOR (op))	293	if (op->is_armor ())
386	{	294	{
387	if (op->stats.ac)	295	if (op->stats.ac)
388	op->stats.ac += lmt->ac;	296	op->stats.ac += lmt->ac;
		297
389	for (j = 0; j < NROFATTACKS; j++)	298	for (int j = 0; j < NROFATTACKS; j++)
390	if (op->resist[j] != 0)	299	if (op->resist[j] != 0)
391	{	300	{
392	op->resist[j] += lmt->mod[j];	301	op->resist[j] += lmt->mod[j];
393	if (op->resist[j] > 100)	302	if (op->resist[j] > 100)
394	op->resist[j] = 100;	303	op->resist[j] = 100;
395	if (op->resist[j] < -100)	304	if (op->resist[j] < -100)
396	op->resist[j] = -100;	305	op->resist[j] = -100;
397	}	306	}
398	}	307	}
		308
399	op->materialname = add_string (lmt->name);	309	op->materialname = lmt->name;
400	/* dont make it unstackable if it doesn't need to be */	310	/* dont make it unstackable if it doesn't need to be */
401	if (IS_WEAPON (op) \|\| IS_ARMOR (op))	311	if (op->is_weapon () \|\| op->is_armor ())
402	{	312	{
403	op->weight = (op->weight * lmt->weight) / 100;	313	op->weight = (op->weight * lmt->weight) / 100;
404	op->value = (op->value * lmt->value) / 100;	314	op->value = (op->value * lmt->value) / 100;
405	}	315	}
406	#endif
407	}	316	}
408	}	317	}
409		318
410	/*	319	/*
411	* Strip out the media tags from a String.	320	* Strip out the media tags from a String.
…		…
506	* a 'list' for the purposes here, is a string of items, seperated by commas, except	415	* a 'list' for the purposes here, is a string of items, seperated by commas, except
507	* for the last entry, which has an 'and' before it, and a full stop (period) after it.	416	* for the last entry, which has an 'and' before it, and a full stop (period) after it.
508	* This function will also strip all trailing non alphanumeric characters.	417	* This function will also strip all trailing non alphanumeric characters.
509	* It does not insert an oxford comma.	418	* It does not insert an oxford comma.
510	*/	419	*/
511
512	void	420	void
513	make_list_like (char *input)	421	make_list_like (char *input)
514	{	422	{
515	char *p, tmp[MAX_BUF];	423	char *p, tmp[MAX_BUF];
516	int i;	424	int i;
…		…
541	return;	449	return;
542	}	450	}
543		451
544	/////////////////////////////////////////////////////////////////////////////	452	/////////////////////////////////////////////////////////////////////////////
545		453
546	#if 0	454	void
547	refcounted *refcounted::rc_first;	455	fork_abort (const char *msg)
548
549	refcounted::refcounted ()
550	{	456	{
551	refcnt = 0;	457	if (!fork ())
552	rc_next = rc_first;	458	{
553	rc_first = this;	459	signal (SIGINT , SIG_IGN);
554	}	460	signal (SIGTERM, SIG_IGN);
		461	signal (SIGABRT, SIG_IGN);
555		462
556	refcounted::~refcounted ()	463	signal (SIGSEGV, SIG_DFL);
557	{	464	signal (SIGBUS , SIG_DFL);
558	assert (!rc_next);	465	signal (SIGILL , SIG_DFL);
559	assert (!refcnt);	466	signal (SIGTRAP, SIG_DFL);
		467
		468	// try to put corefiles into a subdirectory, if existing, to allow
		469	// an administrator to reduce the I/O load.
		470	chdir ("cores");
		471
		472	// try to detach us from as many external dependencies as possible
		473	// as coredumping can take time by closing all fd's.
		474	{
		475	struct rlimit lim;
		476
		477	if (getrlimit (RLIMIT_NOFILE, &lim))
		478	lim.rlim_cur = 1024;
		479
		480	for (int i = 0; i < lim.rlim_cur; ++i)
		481	close (i);
		482	}
		483
		484	{
		485	sigset_t empty;
		486	sigemptyset (&empty);
		487	sigprocmask (SIG_SETMASK, &empty, 0);
		488	}
		489
		490	// try to coredump with SIGTRAP
		491	kill (getpid (), SIGTRAP);
		492	abort ();
		493	}
		494
		495	LOG (llevError, "fork abort: %s\n", msg);
560	}	496	}
		497
		498	void *salloc_ (int n) throw (std::bad_alloc)
		499	{
		500	void *ptr = g_slice_alloc (n);
		501
		502	if (!ptr)
		503	throw std::bad_alloc ();
		504
		505	slice_alloc += n;
		506	return ptr;
		507	}
		508
		509	void salloc_ (int n, void src) throw (std::bad_alloc)
		510	{
		511	void *ptr = salloc_ (n);
		512
		513	if (src)
		514	memcpy (ptr, src, n);
		515	else
		516	memset (ptr, 0, n);
		517
		518	return ptr;
		519	}
		520
		521	/******************************************************************************/
		522
		523	#if DEBUG_SALLOC
		524
		525	#define MAGIC 0xa1b2c35543deadLL
		526
		527	void *g_slice_alloc (unsigned long size)
		528	{
		529	unsigned long p = (unsigned long ) (g_slice_alloc)(size + sizeof (unsigned long));
		530	*p++ = size ^ MAGIC;
		531	//fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
		532	return (void *)p;
		533	}
		534
		535	void *g_slice_alloc0 (unsigned long size)
		536	{
		537	return memset (g_slice_alloc (size), 0, size);
		538	}
		539
		540	void g_slice_free1 (unsigned long size, void *ptr)
		541	{
		542	//fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
		543	if (expect_true (ptr))
		544	{
		545	unsigned long p = (unsigned long )ptr;
		546	unsigned long s = *--p ^ MAGIC;
		547
		548	if (size != (unsigned long)(*p ^ MAGIC))
		549	{
		550	LOG (logBacktrace \| llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
		551	abort ();
		552	}
		553
		554	*p = MAGIC;
		555
		556	(g_slice_free1)(s + sizeof (unsigned long), p);
		557	}
		558	}
		559
561	#endif	560	#endif
562		561
563	void *alloc (int s) throw (std::bad_alloc)	562	/******************************************************************************/
564	{
565	void *p = g_slice_alloc (s);
566
567	if (!p)
568	throw std::bad_alloc ();
569
570	return p;
571	}
572		563
573	void assign (char dst, const char src, int maxlen)	564	void assign (char dst, const char src, int maxlen)
574	{	565	{
575	if (!src)	566	if (!src)
576	src = "";	567	src = "";
…		…
592	}	583	}
593	else	584	else
594	memcpy (dst, src, len + 1);	585	memcpy (dst, src, len + 1);
595	}	586	}
596		587
		588	const char *
		589	format (const char *format, ...)
		590	{
		591	static dynbuf_text buf;
597		592
		593	buf.clear ();
		594
		595	va_list ap;
		596	va_start (ap, format);
		597	buf.vprintf (format, ap);
		598	va_end (ap);
		599
		600	return buf;
		601	}
		602
		603	tstamp now ()
		604	{
		605	struct timeval tv;
		606
		607	gettimeofday (&tv, 0);
		608	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
		609	}
		610
		611	int
		612	similar_direction (int a, int b)
		613	{
		614	if (!a \|\| !b)
		615	return 0;
		616
		617	int diff = (b - a) & 7;
		618	return diff <= 1 \|\| diff >= 7;
		619	}
		620
		621	/* crc32 0xdebb20e3 table and supplementary functions. */
		622	extern const uint32_t crc_32_tab[256] =
		623	{
		624	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		625	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		626	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		627	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		628	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		629	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		630	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		631	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		632	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		633	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		634	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		635	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		636	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		637	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		638	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		639	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		640	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		641	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		642	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		643	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		644	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		645	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		646	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		647	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		648	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		649	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		650	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		651	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		652	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		653	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		654	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		655	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		656	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		657	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		658	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		659	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		660	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		661	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		662	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		663	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		664	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		665	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		666	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		667	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		668	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		669	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		670	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		671	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		672	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		673	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		674	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		675	0x2d02ef8dL
		676	};
		677
		678	void thread::start (void (start_routine)(void ), void arg)
		679	{
		680	pthread_attr_t attr;
		681
		682	pthread_attr_init (&attr);
		683	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		684	pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
		685	? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
		686	#ifdef PTHREAD_SCOPE_PROCESS
		687	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
		688	#endif
		689
		690	sigset_t fullsigset, oldsigset;
		691	sigfillset (&fullsigset);
		692
		693	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
		694
		695	if (pthread_create (&id, &attr, start_routine, arg))
		696	cleanup ("unable to create a new thread");
		697
		698	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
		699	}
		700

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.20 by root, Mon Dec 11 21:32:16 2006 UTC vs. Revision 1.84 by root, Tue Dec 30 07:24:16 2008 UTC

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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.20 by root, Mon Dec 11 21:32:16 2006 UTC vs.
Revision 1.84 by root, Tue Dec 30 07:24:16 2008 UTC