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

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.27 by root, Wed Dec 20 09:14:21 2006 UTC vs.
Revision 1.81 by root, Wed Sep 10 21:29:39 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 <global.h>	28	#include <cstdlib>
		29	#include <sys/types.h>
29	#include <funcpoint.h>	30	#include <unistd.h>
30	#include <material.h>
31
32	#include <sys/time.h>	31	#include <sys/time.h>
33	#include <time.h>	32	#include <time.h>
		33	#include <signal.h>
		34
		35	#include <global.h>
		36	#include <material.h>
		37
		38	#include <sys/time.h>
		39	#include <sys/resource.h>
		40
34	#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	}
35		82
36	/*	83	/*
37	* The random functions here take luck into account when rolling random	84	* The random functions here take luck into account when rolling random
38	* 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
39	* difference becomes in the random numbers. IE, the effect is lessened	86	* difference becomes in the random numbers. IE, the effect is lessened
46	* 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,
47	* 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.
48	* Generally, op should be the player/caster/hitter requesting the roll,	95	* Generally, op should be the player/caster/hitter requesting the roll,
49	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	96	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
50	*/	97	*/
51
52	int	98	int
53	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)
54	{	100	{
55	int omin, diff, luck, base, ran;	101	r_max = max (r_min, r_max);
56		102
57	omin = min;	103	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
58	diff = max - min + 1;
59	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
60		104
61	if (max < 1 \|\| diff < 1)
62	{
63	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);
64	return (min); /* avoids a float exception */
65	}
66
67	ran = RANDOM ();
68
69	if (op->type != PLAYER)	105	if (op->type == PLAYER)
70	return ((ran % diff) + min);	106	{
71
72	luck = op->stats.luck;	107	int luck = op->stats.luck;
73	if (RANDOM () % base < MIN (10, abs (luck)))	108
		109	if (rndm (base) < min (10, abs (luck)))
		110	{
		111	//TODO: take luck into account
		112	}
74	{	113	}
75	/* we have a winner */
76	((luck > 0) ? (luck = 1) : (luck = -1));
77	diff -= luck;
78	if (diff < 1)
79	return (omin); /check again /
80	((goodbad) ? (min += luck) : (diff));
81		114
82	return (MAX (omin, MIN (max, (ran % diff) + min)));	115	return rndm (r_min, r_max);
83	}
84	return ((ran % diff) + min);
85	}	116	}
86		117
87	/*	118	/*
88	* 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
89	* for exp loss calculations for players changing religions.	120	* for exp loss calculations for players changing religions.
90	*/	121	*/
91
92	sint64	122	sint64
93	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)
94	{	124	{
95	sint64 omin, diff, luck, ran;	125	sint64 omin = r_min;
96	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 */
97		128
98	omin = min;	129	/*
99	diff = max - min + 1;
100	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
101
102	if (max < 1 \|\| diff < 1)
103	{
104	LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
105	return (min); /* avoids a float exception */
106	}
107
108	/* Don't know of a portable call to get 64 bit random values.
109	* 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
110	* a little byteshifting. Do make sure the first one is only	131	* a little bitshifting.
111	* 32 bit, so we don't get skewed results
112	*/	132	*/
113	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);	133	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
114		134
115	if (op->type != PLAYER)	135	if (op->type != PLAYER)
116	return ((ran % diff) + min);	136	return ((ran % range) + r_min);
117		137
118	luck = op->stats.luck;	138	int luck = op->stats.luck;
		139
119	if (RANDOM () % base < MIN (10, abs (luck)))	140	if (rndm (base) < min (10, abs (luck)))
120	{	141	{
121	/* we have a winner */	142	/* we have a winner */
122	((luck > 0) ? (luck = 1) : (luck = -1));	143	((luck > 0) ? (luck = 1) : (luck = -1));
123	diff -= luck;	144	range -= luck;
124	if (diff < 1)	145	if (range < 1)
125	return (omin); /check again /	146	return (omin); /check again /
		147
126	((goodbad) ? (min += luck) : (diff));	148	((goodbad) ? (r_min += luck) : (range));
127		149
128	return (MAX (omin, MIN (max, (ran % diff) + min)));	150	return (max (omin, min (r_max, (ran % range) + r_min)));
129	}	151	}
130	return ((ran % diff) + min);	152
		153	return ran % range + r_min;
131	}	154	}
132		155
133	/*	156	/*
134	* 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,
135	* 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.
136	* Generally, op should be the player/caster/hitter requesting the roll,	159	* Generally, op should be the player/caster/hitter requesting the roll,
137	* not the recipient (ie, the poor slob getting hit).	160	* not the recipient (ie, the poor slob getting hit).
138	* The args are num D size (ie 4d6) [garbled 20010916]	161	* The args are num D size (ie 4d6) [garbled 20010916]
139	*/	162	*/
140
141	int	163	int
142	die_roll (int num, int size, const object *op, int goodbad)	164	die_roll (int num, int size, const object *op, int goodbad)
143	{	165	{
144	int min, diff, luck, total, i, gotlucky, base, ran;	166	int min, luck, total, i, gotlucky;
145		167
146	diff = size;	168	int diff = size;
147	min = 1;	169	min = 1;
148	luck = total = gotlucky = 0;	170	luck = total = gotlucky = 0;
149	((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
150	if (size < 2 \|\| diff < 1)	173	if (size < 2 \|\| diff < 1)
151	{	174	{
152	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);
153	return (num); /* avoids a float exception */	176	return num; /* avoids a float exception */
154	}	177	}
155		178
156	if (op->type == PLAYER)	179	if (op->type == PLAYER)
157	luck = op->stats.luck;	180	luck = op->stats.luck;
158		181
159	for (i = 0; i < num; i++)	182	for (i = 0; i < num; i++)
160	{	183	{
161	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	184	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
162	{	185	{
163	/* we have a winner */	186	/* we have a winner */
164	gotlucky++;	187	gotlucky++;
165	((luck > 0) ? (luck = 1) : (luck = -1));	188	((luck > 0) ? (luck = 1) : (luck = -1));
166	diff -= luck;	189	diff -= luck;
167	if (diff < 1)	190	if (diff < 1)
168	return (num); /check again /	191	return (num); /check again /
169	((goodbad) ? (min += luck) : (diff));	192	((goodbad) ? (min += luck) : (diff));
170	ran = RANDOM ();
171	total += MAX (1, MIN (size, (ran % diff) + min));	193	total += MAX (1, MIN (size, rndm (diff) + min));
172	}	194	}
173	else	195	else
174	{
175	total += RANDOM () % size + 1;	196	total += rndm (size) + 1;
176	}
177	}	197	}
		198
178	return (total);	199	return total;
179	}
180
181	/*
182	* Another convenience function. Returns a number between min and max.
183	* It is suggested one use these functions rather than RANDOM()%, as it
184	* would appear that a number of off-by-one-errors exist due to improper
185	* use of %. This should also prevent SIGFPE.
186	*/
187
188	int
189	rndm (int min, int max)
190	{
191	int diff;
192
193	diff = max - min + 1;
194	if (max < 1 \|\| diff < 1)
195	return (min);
196
197	return (RANDOM () % diff + min);
198	}
199
200	/* decay and destroy persihable items in a map */
201
202	void
203	decay_objects (maptile *m)
204	{
205	int x, y, destroy;
206	object op, otmp;
207
208	if (m->unique)
209	return;
210
211	for (x = 0; x < MAP_WIDTH (m); x++)
212	for (y = 0; y < MAP_HEIGHT (m); y++)
213	for (op = GET_MAP_OB (m, x, y); op; op = otmp)
214	{
215	destroy = 0;
216	otmp = op->above;
217	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
218	break;
219	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
220	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
221	\|\| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
222	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
223	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
224	\|\| QUERY_FLAG (op, FLAG_UNPAID)
225	\|\| op->is_alive ())
226	continue;
227
228	/* otherwise, we decay and destroy */
229	if (op->is_weapon ())
230	{
231	op->stats.dam--;
232	if (op->stats.dam < 0)
233	destroy = 1;
234	}
235	else if (op->is_armor ())
236	{
237	op->stats.ac--;
238	if (op->stats.ac < 0)
239	destroy = 1;
240	}
241	else if (op->type == FOOD)
242	{
243	op->stats.food -= rndm (5, 20);
244	if (op->stats.food < 0)
245	destroy = 1;
246	}
247	else
248	{
249	if (op->material & M_PAPER \|\| op->material & M_LEATHER \|\|
250	op->material & M_WOOD \|\| op->material & M_ORGANIC \|\| op->material & M_CLOTH \|\| op->material & M_LIQUID)
251	destroy = 1;
252	if (op->material & M_IRON && rndm (1, 5) == 1)
253	destroy = 1;
254	if (op->material & M_GLASS && rndm (1, 2) == 1)
255	destroy = 1;
256	if ((op->material & M_STONE \|\| op->material & M_ADAMANT) && rndm (1, 10) == 1)
257	destroy = 1;
258	if ((op->material & M_SOFT_METAL \|\| op->material & M_BONE) && rndm (1, 3) == 1)
259	destroy = 1;
260	if (op->material & M_ICE && MAP_TEMP (m) > 32)
261	destroy = 1;
262	}
263	/* adjust overall chance below */
264	if (destroy && rndm (0, 1))
265	op->destroy ();
266	}
267	}	200	}
268		201
269	/* convert materialname to materialtype_t */	202	/* convert materialname to materialtype_t */
270		203
271	materialtype_t *	204	materialtype_t *
272	name_to_material (const char *name)	205	name_to_material (const shstr &name)
273	{	206	{
274	materialtype_t mt, nmt;	207	for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
		208	if (name == mt->name)
		209	return mt;
275		210
276	mt = NULL;
277	for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
278	{
279	if (strcmp (name, nmt->name) == 0)
280	{
281	mt = nmt;
282	break;
283	}
284	}
285	return mt;	211	return 0;
286	}	212	}
287		213
288	/* when doing transmutation of objects, we have to recheck the resistances,	214	/* when doing transmutation of objects, we have to recheck the resistances,
289	* as some that did not apply previously, may apply now.	215	* as some that did not apply previously, may apply now.
290	*/	216	*/
291
292	void	217	void
293	transmute_materialname (object op, const object change)	218	transmute_materialname (object op, const object change)
294	{	219	{
295	materialtype_t *mt;	220	materialtype_t *mt;
296	int j;	221	int j;
…		…
305	return;	230	return;
306		231
307	mt = name_to_material (op->materialname);	232	mt = name_to_material (op->materialname);
308	if (!mt)	233	if (!mt)
309	{	234	{
310	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);
311	return;	236	return;
312	}	237	}
313		238
314	for (j = 0; j < NROFATTACKS; j++)	239	for (j = 0; j < NROFATTACKS; j++)
315	if (op->resist[j] == 0 && change->resist[j] != 0)	240	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
326	void	251	void
327	set_materialname (object op, int difficulty, materialtype_t nmt)	252	set_materialname (object op, int difficulty, materialtype_t nmt)
328	{	253	{
329	materialtype_t mt, lmt;	254	materialtype_t mt, lmt;
330		255
331	#ifdef NEW_MATERIAL_CODE
332	int j;
333	#endif
334
335	if (op->materialname != NULL)	256	if (op->materialname != NULL)
336	return;	257	return;
337		258
338
339
340	if (nmt == NULL)	259	if (nmt == NULL)
341	{	260	{
342	lmt = NULL;	261	lmt = NULL;
343	#ifndef NEW_MATERIAL_CODE	262
344	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	263	for (mt = materialt; mt && mt->next; mt = mt->next)
345	{	264	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
346	if (op->material & mt->material)	265	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
347	{	266	{
348	lmt = mt;	267	lmt = mt;
		268	if (!(op->is_weapon () \|\| op->is_armor ()))
349	break;	269	break;
350	}	270	}
351	}
352
353	#else
354	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
355	{
356	if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
357	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
358	{
359	lmt = mt;
360	if (!(op->is_weapon () \|\| op->is_armor ()))
361	break;
362	}
363	}
364	#endif
365	}	271	}
366	else	272	else
367	{
368	lmt = nmt;	273	lmt = nmt;
369	}
370		274
371	if (lmt != NULL)	275	if (lmt != NULL)
372	{	276	{
373	#ifndef NEW_MATERIAL_CODE
374	op->materialname = lmt->name;
375	return;
376	#else
377
378	if (op->stats.dam && op->is_weapon ())	277	if (op->stats.dam && op->is_weapon ())
379	{	278	{
380	op->stats.dam += lmt->damage;	279	op->stats.dam += lmt->damage;
381	if (op->stats.dam < 1)	280	if (op->stats.dam < 1)
382	op->stats.dam = 1;	281	op->stats.dam = 1;
383	}	282	}
		283
384	if (op->stats.sp && op->type == BOW)	284	if (op->stats.sp && op->type == BOW)
385	op->stats.sp += lmt->sp;	285	op->stats.sp += lmt->sp;
386	if (op->stats.wc && op->is_weapon ())	286	if (op->stats.wc && op->is_weapon ())
387	op->stats.wc += lmt->wc;	287	op->stats.wc += lmt->wc;
388	if (op->is_armor ())	288	if (op->is_armor ())
389	{	289	{
390	if (op->stats.ac)	290	if (op->stats.ac)
391	op->stats.ac += lmt->ac;	291	op->stats.ac += lmt->ac;
		292
392	for (j = 0; j < NROFATTACKS; j++)	293	for (int j = 0; j < NROFATTACKS; j++)
393	if (op->resist[j] != 0)	294	if (op->resist[j] != 0)
394	{	295	{
395	op->resist[j] += lmt->mod[j];	296	op->resist[j] += lmt->mod[j];
396	if (op->resist[j] > 100)	297	if (op->resist[j] > 100)
397	op->resist[j] = 100;	298	op->resist[j] = 100;
398	if (op->resist[j] < -100)	299	if (op->resist[j] < -100)
399	op->resist[j] = -100;	300	op->resist[j] = -100;
400	}	301	}
401	}	302	}
		303
402	op->materialname = add_string (lmt->name);	304	op->materialname = lmt->name;
403	/* dont make it unstackable if it doesn't need to be */	305	/* dont make it unstackable if it doesn't need to be */
404	if (op->is_weapon () \|\| op->is_armor ())	306	if (op->is_weapon () \|\| op->is_armor ())
405	{	307	{
406	op->weight = (op->weight * lmt->weight) / 100;	308	op->weight = (op->weight * lmt->weight) / 100;
407	op->value = (op->value * lmt->value) / 100;	309	op->value = (op->value * lmt->value) / 100;
408	}	310	}
409	#endif
410	}	311	}
411	}	312	}
412		313
413	/*	314	/*
414	* Strip out the media tags from a String.	315	* Strip out the media tags from a String.
…		…
509	* 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
510	* 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.
511	* This function will also strip all trailing non alphanumeric characters.	412	* This function will also strip all trailing non alphanumeric characters.
512	* It does not insert an oxford comma.	413	* It does not insert an oxford comma.
513	*/	414	*/
514
515	void	415	void
516	make_list_like (char *input)	416	make_list_like (char *input)
517	{	417	{
518	char *p, tmp[MAX_BUF];	418	char *p, tmp[MAX_BUF];
519	int i;	419	int i;
…		…
544	return;	444	return;
545	}	445	}
546		446
547	/////////////////////////////////////////////////////////////////////////////	447	/////////////////////////////////////////////////////////////////////////////
548		448
549	#if 0	449	void
550	refcounted *refcounted::rc_first;	450	fork_abort (const char *msg)
551
552	refcounted::refcounted ()
553	{	451	{
554	refcnt = 0;	452	if (!fork ())
555	rc_next = rc_first;	453	{
556	rc_first = this;	454	fprintf (stderr, "background fork_abort in progress, remove me when debugged.\n");//D
557	}
558		455
559	refcounted::~refcounted ()	456	signal (SIGINT , SIG_IGN);
560	{	457	signal (SIGTERM, SIG_IGN);
561	assert (!rc_next);	458	signal (SIGABRT, SIG_IGN);
562	assert (!refcnt);	459
		460	signal (SIGSEGV, SIG_DFL);
		461	signal (SIGBUS , SIG_DFL);
		462	signal (SIGILL , SIG_DFL);
		463	signal (SIGTRAP, SIG_DFL);
		464
		465	// try to put corefiles into a subdirectory, if existing, to allow
		466	// an administrator to reduce the I/O load.
		467	chdir ("cores");
		468
		469	// try to detach us from as many external dependencies as possible
		470	// as coredumping can take time by closing all fd's.
		471	{
		472	struct rlimit lim;
		473
		474	if (getrlimit (RLIMIT_NOFILE, &lim))
		475	lim.rlim_cur = 1024;
		476
		477	for (int i = 0; i < lim.rlim_cur; ++i)
		478	close (i);
		479	}
		480
		481	{
		482	sigset_t empty;
		483	sigemptyset (&empty);
		484	sigprocmask (SIG_SETMASK, &empty, 0);
		485	}
		486
		487	// try to coredump with SIGTRAP
		488	kill (getpid (), SIGTRAP);
		489	abort ();
		490	}
		491
		492	LOG (llevError, "fork abort: %s\n", msg);
563	}	493	}
564	#endif
565		494
566	void *salloc_ (int n) throw (std::bad_alloc)	495	void *salloc_ (int n) throw (std::bad_alloc)
567	{	496	{
568	void *ptr = g_slice_alloc (n);	497	void *ptr = g_slice_alloc (n);
569		498
570	if (!ptr)	499	if (!ptr)
571	throw std::bad_alloc ();	500	throw std::bad_alloc ();
572		501
		502	slice_alloc += n;
573	return ptr;	503	return ptr;
574	}	504	}
575		505
576	void salloc_ (int n, void src) throw (std::bad_alloc)	506	void salloc_ (int n, void src) throw (std::bad_alloc)
577	{	507	{
…		…
583	memset (ptr, 0, n);	513	memset (ptr, 0, n);
584		514
585	return ptr;	515	return ptr;
586	}	516	}
587		517
		518	/******************************************************************************/
		519
		520	#if DEBUG_SALLOC
		521
		522	#define MAGIC 0xa1b2c35543deadLL
		523
		524	void *g_slice_alloc (unsigned long size)
		525	{
		526	unsigned long p = (unsigned long ) (g_slice_alloc)(size + sizeof (unsigned long));
		527	*p++ = size ^ MAGIC;
		528	//fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
		529	return (void *)p;
		530	}
		531
		532	void *g_slice_alloc0 (unsigned long size)
		533	{
		534	return memset (g_slice_alloc (size), 0, size);
		535	}
		536
		537	void g_slice_free1 (unsigned long size, void *ptr)
		538	{
		539	//fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
		540	if (expect_true (ptr))
		541	{
		542	unsigned long p = (unsigned long )ptr;
		543	unsigned long s = *--p ^ MAGIC;
		544
		545	if (size != (unsigned long)(*p ^ MAGIC))
		546	{
		547	LOG (logBacktrace \| llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
		548	abort ();
		549	}
		550
		551	*p = MAGIC;
		552
		553	(g_slice_free1)(s + sizeof (unsigned long), p);
		554	}
		555	}
		556
		557	#endif
		558
		559	/******************************************************************************/
		560
588	void assign (char dst, const char src, int maxlen)	561	void assign (char dst, const char src, int maxlen)
589	{	562	{
590	if (!src)	563	if (!src)
591	src = "";	564	src = "";
592		565
…		…
607	}	580	}
608	else	581	else
609	memcpy (dst, src, len + 1);	582	memcpy (dst, src, len + 1);
610	}	583	}
611		584
		585	const char *
		586	format (const char *format, ...)
		587	{
		588	static dynbuf_text buf;
		589
		590	buf.clear ();
		591
		592	va_list ap;
		593	va_start (ap, format);
		594	buf.vprintf (format, ap);
		595	va_end (ap);
		596
		597	return buf;
		598	}
		599
612	tstamp now ()	600	tstamp now ()
613	{	601	{
614	struct timeval tv;	602	struct timeval tv;
615		603
616	gettimeofday (&tv, 0);	604	gettimeofday (&tv, 0);
617	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);	605	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
618	}	606	}
619		607
		608	int
		609	similar_direction (int a, int b)
		610	{
		611	if (!a \|\| !b)
		612	return 0;
		613
		614	int diff = (b - a) & 7;
		615	return diff <= 1 \|\| diff >= 7;
		616	}
		617
		618	/* crc32 0xdebb20e3 table and supplementary functions. */
		619	extern const uint32_t crc_32_tab[256] =
		620	{
		621	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		622	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		623	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		624	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		625	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		626	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		627	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		628	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		629	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		630	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		631	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		632	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		633	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		634	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		635	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		636	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		637	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		638	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		639	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		640	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		641	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		642	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		643	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		644	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		645	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		646	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		647	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		648	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		649	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		650	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		651	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		652	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		653	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		654	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		655	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		656	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		657	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		658	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		659	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		660	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		661	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		662	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		663	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		664	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		665	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		666	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		667	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		668	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		669	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		670	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		671	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		672	0x2d02ef8dL
		673	};
		674
		675	void thread::start (void (start_routine)(void ), void arg)
		676	{
		677	pthread_attr_t attr;
		678
		679	pthread_attr_init (&attr);
		680	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		681	pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
		682	? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
		683	#ifdef PTHREAD_SCOPE_PROCESS
		684	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
		685	#endif
		686
		687	sigset_t fullsigset, oldsigset;
		688	sigfillset (&fullsigset);
		689
		690	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
		691
		692	if (pthread_create (&id, &attr, start_routine, arg))
		693	cleanup ("unable to create a new thread");
		694
		695	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
		696	}
		697

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.27 by root, Wed Dec 20 09:14:21 2006 UTC vs. Revision 1.81 by root, Wed Sep 10 21:29:39 2008 UTC

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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.27 by root, Wed Dec 20 09:14:21 2006 UTC vs.
Revision 1.81 by root, Wed Sep 10 21:29:39 2008 UTC