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

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.11 by root, Tue Sep 12 19:20:06 2006 UTC vs.
Revision 1.83 by root, Sun Dec 28 06:59:26 2008 UTC

…		…
1
2	/*	1	/*
3	* static char *rcsid_utils_c =	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
4	* "$Id: utils.C,v 1.11 2006/09/12 19:20:06 root Exp $";	3	*
5	*/	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6
7	/*
8	CrossFire, A Multiplayer game for X-windows
9
10	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
12		7	*
13	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
14	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
15	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
16	(at your option) any later version.	11	* (at your option) any later version.
17		12	*
18	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,
19	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	GNU General Public License for more details.	16	* GNU General Public License for more details.
22		17	*
23	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
24	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
26		21	* The authors can be reached via e-mail to <support@deliantra.net>
27	The authors can be reached via e-mail at crossfire-devel@real-time.com
28	*/	22	*/
29		23
30	/*	24	/*
31	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
32	*/	26	*/
33		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
34	#include <global.h>	35	#include <global.h>
35	#include <funcpoint.h>
36	#include <material.h>	36	#include <material.h>
37		37
		38	#include <sys/time.h>
		39	#include <sys/resource.h>
		40
38	#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	operator ()();
		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	uint32_t
		71	tausworthe_random_generator::get_range (uint32_t num)
		72	{
		73	return (next () * (uint64_t)num) >> 32U;
		74	}
		75
		76	// return a number within (min .. max)
		77	int
		78	tausworthe_random_generator::get_range (int r_min, int r_max)
		79	{
		80	return r_min + get_range (max (r_max - r_min + 1, 0));
		81	}
39		82
40	/*	83	/*
41	* The random functions here take luck into account when rolling random	84	* The random functions here take luck into account when rolling random
42	* dice or numbers. This function has less of an impact the larger the	85	* dice or numbers. This function has less of an impact the larger the
43	* difference becomes in the random numbers. IE, the effect is lessened	86	* difference becomes in the random numbers. IE, the effect is lessened
50	* Roll a random number between min and max. Uses op to determine luck,	93	* Roll a random number between min and max. Uses op to determine luck,
51	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.	94	* and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
52	* Generally, op should be the player/caster/hitter requesting the roll,	95	* Generally, op should be the player/caster/hitter requesting the roll,
53	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	96	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
54	*/	97	*/
55
56	int	98	int
57	random_roll (int min, int max, const object *op, int goodbad)	99	random_roll (int r_min, int r_max, const object *op, int goodbad)
58	{	100	{
59	int omin, diff, luck, base, ran;	101	r_max = max (r_min, r_max);
60		102
61	omin = min;	103	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
62	diff = max - min + 1;
63	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
64		104
65	if (max < 1 \|\| diff < 1)
66	{
67	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);
68	return (min); /* avoids a float exception */
69	}
70
71	ran = RANDOM ();
72
73	if (op->type != PLAYER)	105	if (op->type == PLAYER)
74	return ((ran % diff) + min);	106	{
75
76	luck = op->stats.luck;	107	int luck = op->stats.luck;
77	if (RANDOM () % base < MIN (10, abs (luck)))	108
		109	if (rndm (base) < min (10, abs (luck)))
		110	{
		111	//TODO: take luck into account
		112	}
78	{	113	}
79	/* we have a winner */
80	((luck > 0) ? (luck = 1) : (luck = -1));
81	diff -= luck;
82	if (diff < 1)
83	return (omin); /check again /
84	((goodbad) ? (min += luck) : (diff));
85		114
86	return (MAX (omin, MIN (max, (ran % diff) + min)));	115	return rndm (r_min, r_max);
87	}
88	return ((ran % diff) + min);
89	}	116	}
90		117
91	/*	118	/*
92	* This is a 64 bit version of random_roll above. This is needed	119	* This is a 64 bit version of random_roll above. This is needed
93	* for exp loss calculations for players changing religions.	120	* for exp loss calculations for players changing religions.
94	*/	121	*/
95
96	sint64	122	sint64
97	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)	123	random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad)
98	{	124	{
99	sint64 omin, diff, luck, ran;	125	sint64 omin = r_min;
100	int base;	126	sint64 range = max (0, r_max - r_min + 1);
		127	int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */
101		128
102	omin = min;	129	/*
103	diff = max - min + 1;
104	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
105
106	if (max < 1 \|\| diff < 1)
107	{
108	#ifndef WIN32
109	LOG (llevError, "Calling random_roll with min=%lld max=%lld\n", min, max);
110	#else
111	LOG (llevError, "Calling random_roll with min=%I64d max=%I64d\n", min, max);
112	#endif
113	return (min); /* avoids a float exception */
114	}
115
116	/* Don't know of a portable call to get 64 bit random values.
117	* So make a call to get two 32 bit random numbers, and just to	130	* Make a call to get two 32 bit unsigned random numbers, and just to
118	* a little byteshifting. Do make sure the first one is only	131	* a little bitshifting.
119	* 32 bit, so we don't get skewed results
120	*/	132	*/
121	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);	133	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
122		134
123	if (op->type != PLAYER)	135	if (op->type != PLAYER)
124	return ((ran % diff) + min);	136	return ((ran % range) + r_min);
125		137
126	luck = op->stats.luck;	138	int luck = op->stats.luck;
		139
127	if (RANDOM () % base < MIN (10, abs (luck)))	140	if (rndm (base) < min (10, abs (luck)))
128	{	141	{
129	/* we have a winner */	142	/* we have a winner */
130	((luck > 0) ? (luck = 1) : (luck = -1));	143	((luck > 0) ? (luck = 1) : (luck = -1));
131	diff -= luck;	144	range -= luck;
132	if (diff < 1)	145	if (range < 1)
133	return (omin); /check again /	146	return (omin); /check again /
		147
134	((goodbad) ? (min += luck) : (diff));	148	((goodbad) ? (r_min += luck) : (range));
135		149
136	return (MAX (omin, MIN (max, (ran % diff) + min)));	150	return (max (omin, min (r_max, (ran % range) + r_min)));
137	}	151	}
138	return ((ran % diff) + min);	152
		153	return ran % range + r_min;
139	}	154	}
140		155
141	/*	156	/*
142	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	157	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,
143	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.	158	* If goodbad is non-zero, luck increases the roll, if zero, it decreases.
144	* Generally, op should be the player/caster/hitter requesting the roll,	159	* Generally, op should be the player/caster/hitter requesting the roll,
145	* not the recipient (ie, the poor slob getting hit).	160	* not the recipient (ie, the poor slob getting hit).
146	* The args are num D size (ie 4d6) [garbled 20010916]	161	* The args are num D size (ie 4d6) [garbled 20010916]
147	*/	162	*/
148
149	int	163	int
150	die_roll (int num, int size, const object *op, int goodbad)	164	die_roll (int num, int size, const object *op, int goodbad)
151	{	165	{
152	int min, diff, luck, total, i, gotlucky, base, ran;	166	int min, luck, total, i, gotlucky;
153		167
154	diff = size;	168	int diff = size;
155	min = 1;	169	min = 1;
156	luck = total = gotlucky = 0;	170	luck = total = gotlucky = 0;
157	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	171	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		172
158	if (size < 2 \|\| diff < 1)	173	if (size < 2 \|\| diff < 1)
159	{	174	{
160	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	175	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
161	return (num); /* avoids a float exception */	176	return num; /* avoids a float exception */
162	}	177	}
163		178
164	if (op->type == PLAYER)	179	if (op->type == PLAYER)
165	luck = op->stats.luck;	180	luck = op->stats.luck;
166		181
167	for (i = 0; i < num; i++)	182	for (i = 0; i < num; i++)
168	{	183	{
169	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	184	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
170	{	185	{
171	/* we have a winner */	186	/* we have a winner */
172	gotlucky++;	187	gotlucky++;
173	((luck > 0) ? (luck = 1) : (luck = -1));	188	((luck > 0) ? (luck = 1) : (luck = -1));
174	diff -= luck;	189	diff -= luck;
175	if (diff < 1)	190	if (diff < 1)
176	return (num); /check again /	191	return (num); /check again /
177	((goodbad) ? (min += luck) : (diff));	192	((goodbad) ? (min += luck) : (diff));
178	ran = RANDOM ();
179	total += MAX (1, MIN (size, (ran % diff) + min));	193	total += MAX (1, MIN (size, rndm (diff) + min));
180	}	194	}
181	else	195	else
182	{
183	total += RANDOM () % size + 1;	196	total += rndm (size) + 1;
184	}
185	}	197	}
		198
186	return (total);	199	return total;
187	}
188
189	/*
190	* Another convenience function. Returns a number between min and max.
191	* It is suggested one use these functions rather than RANDOM()%, as it
192	* would appear that a number of off-by-one-errors exist due to improper
193	* use of %. This should also prevent SIGFPE.
194	*/
195
196	int
197	rndm (int min, int max)
198	{
199	int diff;
200
201	diff = max - min + 1;
202	if (max < 1 \|\| diff < 1)
203	return (min);
204
205	return (RANDOM () % diff + min);
206	}
207
208	/* decay and destroy persihable items in a map */
209
210	void
211	decay_objects (mapstruct *m)
212	{
213	int x, y, destroy;
214	object op, otmp;
215
216	if (m->unique)
217	return;
218
219	for (x = 0; x < MAP_WIDTH (m); x++)
220	for (y = 0; y < MAP_HEIGHT (m); y++)
221	for (op = get_map_ob (m, x, y); op; op = otmp)
222	{
223	destroy = 0;
224	otmp = op->above;
225	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
226	break;
227	if (QUERY_FLAG (op, FLAG_IS_FLOOR) \|\|
228	QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) \|\|
229	QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) \|\|
230	QUERY_FLAG (op, FLAG_UNIQUE) \|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) \|\| QUERY_FLAG (op, FLAG_UNPAID) \|\| IS_LIVE (op))
231	continue;
232	/* otherwise, we decay and destroy */
233	if (IS_WEAPON (op))
234	{
235	op->stats.dam--;
236	if (op->stats.dam < 0)
237	destroy = 1;
238	}
239	else if (IS_ARMOR (op))
240	{
241	op->stats.ac--;
242	if (op->stats.ac < 0)
243	destroy = 1;
244	}
245	else if (op->type == FOOD)
246	{
247	op->stats.food -= rndm (5, 20);
248	if (op->stats.food < 0)
249	destroy = 1;
250	}
251	else
252	{
253	if (op->material & M_PAPER \|\| op->material & M_LEATHER \|\|
254	op->material & M_WOOD \|\| op->material & M_ORGANIC \|\| op->material & M_CLOTH \|\| op->material & M_LIQUID)
255	destroy = 1;
256	if (op->material & M_IRON && rndm (1, 5) == 1)
257	destroy = 1;
258	if (op->material & M_GLASS && rndm (1, 2) == 1)
259	destroy = 1;
260	if ((op->material & M_STONE \|\| op->material & M_ADAMANT) && rndm (1, 10) == 1)
261	destroy = 1;
262	if ((op->material & M_SOFT_METAL \|\| op->material & M_BONE) && rndm (1, 3) == 1)
263	destroy = 1;
264	if (op->material & M_ICE && MAP_TEMP (m) > 32)
265	destroy = 1;
266	}
267	/* adjust overall chance below */
268	if (destroy && rndm (0, 1))
269	{
270	remove_ob (op);
271	free_object (op);
272	}
273	}
274	}	200	}
275		201
276	/* convert materialname to materialtype_t */	202	/* convert materialname to materialtype_t */
277		203
278	materialtype_t *	204	materialtype_t *
279	name_to_material (const char *name)	205	name_to_material (const shstr_cmp name)
280	{	206	{
281	materialtype_t mt, nmt;	207	for (materialtype_t *mt = materialt; mt; mt = mt->next)
		208	if (name == mt->name)
		209	return mt;
282		210
283	mt = NULL;
284	for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
285	{
286	if (strcmp (name, nmt->name) == 0)
287	{
288	mt = nmt;
289	break;
290	}
291	}
292	return mt;	211	return 0;
293	}	212	}
294		213
295	/* when doing transmutation of objects, we have to recheck the resistances,	214	/* when doing transmutation of objects, we have to recheck the resistances,
296	* as some that did not apply previously, may apply now.	215	* as some that did not apply previously, may apply now.
297	*/	216	*/
298
299	void	217	void
300	transmute_materialname (object op, const object change)	218	transmute_materialname (object op, const object change)
301	{	219	{
302	materialtype_t *mt;	220	materialtype_t *mt;
303	int j;	221	int j;
304		222
305	if (op->materialname == NULL)	223	if (!op->materialname)
306	return;	224	return;
307		225
308	if (change->materialname != NULL && strcmp (op->materialname, change->materialname))	226	if (change->materialname && strcmp (op->materialname, change->materialname))
309	return;	227	return;
310		228
311	if (!IS_ARMOR (op))	229	if (!op->is_armor ())
312	return;	230	return;
313		231
314	mt = name_to_material (op->materialname);	232	mt = name_to_material (op->materialname);
315	if (!mt)	233	if (!mt)
316	{	234	{
317	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);	235	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
318	return;	236	return;
319	}	237	}
320		238
321	for (j = 0; j < NROFATTACKS; j++)	239	for (j = 0; j < NROFATTACKS; j++)
322	if (op->resist[j] == 0 && change->resist[j] != 0)	240	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
333	void	251	void
334	set_materialname (object op, int difficulty, materialtype_t nmt)	252	set_materialname (object op, int difficulty, materialtype_t nmt)
335	{	253	{
336	materialtype_t mt, lmt;	254	materialtype_t mt, lmt;
337		255
338	#ifdef NEW_MATERIAL_CODE
339	int j;
340	#endif
341
342	if (op->materialname != NULL)	256	if (!op->materialname)
343	return;	257	return;
344		258
345		259	if (nmt)
346		260	lmt = nmt;
347	if (nmt == NULL)	261	else
348	{	262	{
349	lmt = NULL;	263	lmt = 0;
350	#ifndef NEW_MATERIAL_CODE	264
351	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	265	for (mt = materialt; mt; mt = mt->next)
352	{	266	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
353	if (op->material & mt->material)	267	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
354	{	268	{
355	lmt = mt;	269	lmt = mt;
		270	if (!(op->is_weapon () \|\| op->is_armor ()))
356	break;	271	break;
357	}	272	}
358	}
359
360	#else
361	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
362	{
363	if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
364	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
365	{
366	lmt = mt;
367	if (!(IS_WEAPON (op) \|\| IS_ARMOR (op)))
368	break;
369	}
370	}
371	#endif
372	}
373	else
374	{	273	}
375	lmt = nmt;	274
		275	if (lmt)
376	}	276	{
377		277	if (op->stats.dam && op->is_weapon ())
378	if (lmt != NULL)
379	{
380	#ifndef NEW_MATERIAL_CODE
381	op->materialname = lmt->name;
382	return;
383	#else
384
385	if (op->stats.dam && IS_WEAPON (op))
386	{	278	{
387	op->stats.dam += lmt->damage;	279	op->stats.dam += lmt->damage;
388	if (op->stats.dam < 1)	280	if (op->stats.dam < 1)
389	op->stats.dam = 1;	281	op->stats.dam = 1;
390	}	282	}
		283
391	if (op->stats.sp && op->type == BOW)	284	if (op->stats.sp && op->type == BOW)
392	op->stats.sp += lmt->sp;	285	op->stats.sp += lmt->sp;
393	if (op->stats.wc && IS_WEAPON (op))	286	if (op->stats.wc && op->is_weapon ())
394	op->stats.wc += lmt->wc;	287	op->stats.wc += lmt->wc;
395	if (IS_ARMOR (op))	288	if (op->is_armor ())
396	{	289	{
397	if (op->stats.ac)	290	if (op->stats.ac)
398	op->stats.ac += lmt->ac;	291	op->stats.ac += lmt->ac;
		292
399	for (j = 0; j < NROFATTACKS; j++)	293	for (int j = 0; j < NROFATTACKS; j++)
400	if (op->resist[j] != 0)	294	if (op->resist[j] != 0)
401	{	295	{
402	op->resist[j] += lmt->mod[j];	296	op->resist[j] += lmt->mod[j];
403	if (op->resist[j] > 100)	297	if (op->resist[j] > 100)
404	op->resist[j] = 100;	298	op->resist[j] = 100;
405	if (op->resist[j] < -100)	299	if (op->resist[j] < -100)
406	op->resist[j] = -100;	300	op->resist[j] = -100;
407	}	301	}
408	}	302	}
		303
409	op->materialname = add_string (lmt->name);	304	op->materialname = lmt->name;
410	/* dont make it unstackable if it doesn't need to be */	305	/* dont make it unstackable if it doesn't need to be */
411	if (IS_WEAPON (op) \|\| IS_ARMOR (op))	306	if (op->is_weapon () \|\| op->is_armor ())
412	{	307	{
413	op->weight = (op->weight * lmt->weight) / 100;	308	op->weight = (op->weight * lmt->weight) / 100;
414	op->value = (op->value * lmt->value) / 100;	309	op->value = (op->value * lmt->value) / 100;
415	}	310	}
416	#endif
417	}	311	}
418	}	312	}
419		313
420	/*	314	/*
421	* Strip out the media tags from a String.	315	* Strip out the media tags from a String.
…		…
516	* a 'list' for the purposes here, is a string of items, seperated by commas, except	410	* a 'list' for the purposes here, is a string of items, seperated by commas, except
517	* for the last entry, which has an 'and' before it, and a full stop (period) after it.	411	* for the last entry, which has an 'and' before it, and a full stop (period) after it.
518	* This function will also strip all trailing non alphanumeric characters.	412	* This function will also strip all trailing non alphanumeric characters.
519	* It does not insert an oxford comma.	413	* It does not insert an oxford comma.
520	*/	414	*/
521
522	void	415	void
523	make_list_like (char *input)	416	make_list_like (char *input)
524	{	417	{
525	char *p, tmp[MAX_BUF];	418	char *p, tmp[MAX_BUF];
526	int i;	419	int i;
…		…
549	strcpy (input, tmp);	442	strcpy (input, tmp);
550		443
551	return;	444	return;
552	}	445	}
553		446
		447	/////////////////////////////////////////////////////////////////////////////
		448
554	void *	449	void
555	zero_initialised::operator new (size_t s, void *p)	450	fork_abort (const char *msg)
556	{	451	{
557	memset (p, 0, s);	452	if (!fork ())
		453	{
		454	signal (SIGINT , SIG_IGN);
		455	signal (SIGTERM, SIG_IGN);
		456	signal (SIGABRT, SIG_IGN);
		457
		458	signal (SIGSEGV, SIG_DFL);
		459	signal (SIGBUS , SIG_DFL);
		460	signal (SIGILL , SIG_DFL);
		461	signal (SIGTRAP, SIG_DFL);
		462
		463	// try to put corefiles into a subdirectory, if existing, to allow
		464	// an administrator to reduce the I/O load.
		465	chdir ("cores");
		466
		467	// try to detach us from as many external dependencies as possible
		468	// as coredumping can take time by closing all fd's.
		469	{
		470	struct rlimit lim;
		471
		472	if (getrlimit (RLIMIT_NOFILE, &lim))
		473	lim.rlim_cur = 1024;
		474
		475	for (int i = 0; i < lim.rlim_cur; ++i)
		476	close (i);
		477	}
		478
		479	{
		480	sigset_t empty;
		481	sigemptyset (&empty);
		482	sigprocmask (SIG_SETMASK, &empty, 0);
		483	}
		484
		485	// try to coredump with SIGTRAP
		486	kill (getpid (), SIGTRAP);
		487	abort ();
		488	}
		489
		490	LOG (llevError, "fork abort: %s\n", msg);
		491	}
		492
		493	void *salloc_ (int n) throw (std::bad_alloc)
		494	{
		495	void *ptr = g_slice_alloc (n);
		496
		497	if (!ptr)
		498	throw std::bad_alloc ();
		499
		500	slice_alloc += n;
558	return p;	501	return ptr;
559	}	502	}
560		503
561	void *	504	void salloc_ (int n, void src) throw (std::bad_alloc)
562	zero_initialised::operator new (size_t s)
563	{	505	{
564	//return calloc (1, s);	506	void *ptr = salloc_ (n);
565	return g_slice_alloc0 (s);
566	}
567		507
568	void *	508	if (src)
569	zero_initialised::operator new[] (size_t s)	509	memcpy (ptr, src, n);
570	{	510	else
571	//return calloc (1, s);	511	memset (ptr, 0, n);
572	return g_slice_alloc0 (s);
573	}
574		512
575	void	513	return ptr;
576	zero_initialised::operator delete (void *p, size_t s)
577	{
578	//free (p); return;
579	g_slice_free1 (s, p);
580	}	514	}
581		515
582	void	516	/******************************************************************************/
583	zero_initialised::operator delete[] (void *p, size_t s)	517
		518	#if DEBUG_SALLOC
		519
		520	#define MAGIC 0xa1b2c35543deadLL
		521
		522	void *g_slice_alloc (unsigned long size)
584	{	523	{
585	//free (p); return;	524	unsigned long p = (unsigned long ) (g_slice_alloc)(size + sizeof (unsigned long));
586	g_slice_free1 (s, p);	525	*p++ = size ^ MAGIC;
		526	//fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
		527	return (void *)p;
587	}	528	}
		529
		530	void *g_slice_alloc0 (unsigned long size)
		531	{
		532	return memset (g_slice_alloc (size), 0, size);
		533	}
		534
		535	void g_slice_free1 (unsigned long size, void *ptr)
		536	{
		537	//fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
		538	if (expect_true (ptr))
		539	{
		540	unsigned long p = (unsigned long )ptr;
		541	unsigned long s = *--p ^ MAGIC;
		542
		543	if (size != (unsigned long)(*p ^ MAGIC))
		544	{
		545	LOG (logBacktrace \| llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
		546	abort ();
		547	}
		548
		549	*p = MAGIC;
		550
		551	(g_slice_free1)(s + sizeof (unsigned long), p);
		552	}
		553	}
		554
		555	#endif
		556
		557	/******************************************************************************/
588		558
589	void assign (char dst, const char src, int maxlen)	559	void assign (char dst, const char src, int maxlen)
590	{	560	{
591	if (!src)	561	if (!src)
592	src = "";	562	src = "";
…		…
608	}	578	}
609	else	579	else
610	memcpy (dst, src, len + 1);	580	memcpy (dst, src, len + 1);
611	}	581	}
612		582
		583	const char *
		584	format (const char *format, ...)
		585	{
		586	static dynbuf_text buf;
		587
		588	buf.clear ();
		589
		590	va_list ap;
		591	va_start (ap, format);
		592	buf.vprintf (format, ap);
		593	va_end (ap);
		594
		595	return buf;
		596	}
		597
		598	tstamp now ()
		599	{
		600	struct timeval tv;
		601
		602	gettimeofday (&tv, 0);
		603	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
		604	}
		605
		606	int
		607	similar_direction (int a, int b)
		608	{
		609	if (!a \|\| !b)
		610	return 0;
		611
		612	int diff = (b - a) & 7;
		613	return diff <= 1 \|\| diff >= 7;
		614	}
		615
		616	/* crc32 0xdebb20e3 table and supplementary functions. */
		617	extern const uint32_t crc_32_tab[256] =
		618	{
		619	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		620	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		621	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		622	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		623	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		624	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		625	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		626	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		627	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		628	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		629	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		630	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		631	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		632	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		633	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		634	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		635	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		636	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		637	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		638	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		639	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		640	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		641	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		642	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		643	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		644	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		645	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		646	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		647	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		648	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		649	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		650	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		651	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		652	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		653	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		654	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		655	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		656	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		657	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		658	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		659	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		660	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		661	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		662	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		663	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		664	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		665	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		666	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		667	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		668	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		669	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		670	0x2d02ef8dL
		671	};
		672
		673	void thread::start (void (start_routine)(void ), void arg)
		674	{
		675	pthread_attr_t attr;
		676
		677	pthread_attr_init (&attr);
		678	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		679	pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
		680	? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
		681	#ifdef PTHREAD_SCOPE_PROCESS
		682	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
		683	#endif
		684
		685	sigset_t fullsigset, oldsigset;
		686	sigfillset (&fullsigset);
		687
		688	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
		689
		690	if (pthread_create (&id, &attr, start_routine, arg))
		691	cleanup ("unable to create a new thread");
		692
		693	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
		694	}
		695

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.11 by root, Tue Sep 12 19:20:06 2006 UTC vs. Revision 1.83 by root, Sun Dec 28 06:59:26 2008 UTC

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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.11 by root, Tue Sep 12 19:20:06 2006 UTC vs.
Revision 1.83 by root, Sun Dec 28 06:59:26 2008 UTC