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

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.36 by pippijn, Sat Jan 6 14:42:29 2007 UTC vs.
Revision 1.86 by root, Mon Jan 12 03:40:21 2009 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	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
10	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	(at your option) any later version.	11	* (at your option) any later version.
12		12	*
13	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,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	GNU General Public License for more details.	16	* GNU General Public License for more details.
17		17	*
18	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
19	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
21		21	* The authors can be reached via e-mail to <support@deliantra.net>
22	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	*/	22	*/
24		23
25	/*	24	/*
26	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
27	*/	26	*/
28		27
29	#include <global.h>	28	#include <cstdlib>
		29	#include <sys/types.h>
30	#include <funcpoint.h>	30	#include <unistd.h>
31	#include <material.h>
32
33	#include <sys/time.h>	31	#include <sys/time.h>
34	#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
35	#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>;
36		87
37	/*	88	/*
38	* The random functions here take luck into account when rolling random	89	* The random functions here take luck into account when rolling random
39	* 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
40	* difference becomes in the random numbers. IE, the effect is lessened	91	* difference becomes in the random numbers. IE, the effect is lessened
47	* 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,
48	* 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.
49	* Generally, op should be the player/caster/hitter requesting the roll,	100	* Generally, op should be the player/caster/hitter requesting the roll,
50	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	101	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
51	*/	102	*/
52
53	int	103	int
54	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)
55	{	105	{
56	int omin, diff, luck, base, ran;	106	r_max = max (r_min, r_max);
57		107
58	omin = min;	108	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
59	diff = max - min + 1;
60	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
61		109
62	if (max < 1 \|\| diff < 1)
63	{
64	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);
65	return (min); /* avoids a float exception */
66	}
67
68	ran = RANDOM ();
69
70	if (op->type != PLAYER)	110	if (op->type == PLAYER)
71	return ((ran % diff) + min);	111	{
72
73	luck = op->stats.luck;	112	int luck = op->stats.luck;
74	if (RANDOM () % base < MIN (10, abs (luck)))	113
		114	if (rndm (base) < min (10, abs (luck)))
		115	{
		116	//TODO: take luck into account
		117	}
75	{	118	}
76	/* we have a winner */
77	((luck > 0) ? (luck = 1) : (luck = -1));
78	diff -= luck;
79	if (diff < 1)
80	return (omin); /check again /
81	((goodbad) ? (min += luck) : (diff));
82		119
83	return (MAX (omin, MIN (max, (ran % diff) + min)));	120	return rndm (r_min, r_max);
84	}
85	return ((ran % diff) + min);
86	}	121	}
87		122
88	/*	123	/*
89	* 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
90	* for exp loss calculations for players changing religions.	125	* for exp loss calculations for players changing religions.
91	*/	126	*/
92
93	sint64	127	sint64
94	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)
95	{	129	{
96	sint64 omin, diff, luck, ran;	130	sint64 omin = r_min;
97	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 */
98		133
99	omin = min;	134	/*
100	diff = max - min + 1;
101	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
102
103	if (max < 1 \|\| diff < 1)
104	{
105	LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
106	return (min); /* avoids a float exception */
107	}
108
109	/* Don't know of a portable call to get 64 bit random values.
110	* 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
111	* a little byteshifting. Do make sure the first one is only	136	* a little bitshifting.
112	* 32 bit, so we don't get skewed results
113	*/	137	*/
114	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);	138	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
115		139
116	if (op->type != PLAYER)	140	if (op->type != PLAYER)
117	return ((ran % diff) + min);	141	return ((ran % range) + r_min);
118		142
119	luck = op->stats.luck;	143	int luck = op->stats.luck;
		144
120	if (RANDOM () % base < MIN (10, abs (luck)))	145	if (rndm (base) < min (10, abs (luck)))
121	{	146	{
122	/* we have a winner */	147	/* we have a winner */
123	((luck > 0) ? (luck = 1) : (luck = -1));	148	((luck > 0) ? (luck = 1) : (luck = -1));
124	diff -= luck;	149	range -= luck;
125	if (diff < 1)	150	if (range < 1)
126	return (omin); /check again /	151	return (omin); /check again /
		152
127	((goodbad) ? (min += luck) : (diff));	153	((goodbad) ? (r_min += luck) : (range));
128		154
129	return (MAX (omin, MIN (max, (ran % diff) + min)));	155	return (max (omin, min (r_max, (ran % range) + r_min)));
130	}	156	}
131	return ((ran % diff) + min);	157
		158	return ran % range + r_min;
132	}	159	}
133		160
134	/*	161	/*
135	* 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,
136	* 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.
137	* Generally, op should be the player/caster/hitter requesting the roll,	164	* Generally, op should be the player/caster/hitter requesting the roll,
138	* not the recipient (ie, the poor slob getting hit).	165	* not the recipient (ie, the poor slob getting hit).
139	* The args are num D size (ie 4d6) [garbled 20010916]	166	* The args are num D size (ie 4d6) [garbled 20010916]
140	*/	167	*/
141
142	int	168	int
143	die_roll (int num, int size, const object *op, int goodbad)	169	die_roll (int num, int size, const object *op, int goodbad)
144	{	170	{
145	int min, diff, luck, total, i, gotlucky, base, ran;	171	int min, luck, total, i, gotlucky;
146		172
147	diff = size;	173	int diff = size;
148	min = 1;	174	min = 1;
149	luck = total = gotlucky = 0;	175	luck = total = gotlucky = 0;
150	((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
151	if (size < 2 \|\| diff < 1)	178	if (size < 2 \|\| diff < 1)
152	{	179	{
153	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);
154	return (num); /* avoids a float exception */	181	return num; /* avoids a float exception */
155	}	182	}
156		183
157	if (op->type == PLAYER)	184	if (op->type == PLAYER)
158	luck = op->stats.luck;	185	luck = op->stats.luck;
159		186
160	for (i = 0; i < num; i++)	187	for (i = 0; i < num; i++)
161	{	188	{
162	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	189	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
163	{	190	{
164	/* we have a winner */	191	/* we have a winner */
165	gotlucky++;	192	gotlucky++;
166	((luck > 0) ? (luck = 1) : (luck = -1));	193	((luck > 0) ? (luck = 1) : (luck = -1));
167	diff -= luck;	194	diff -= luck;
168	if (diff < 1)	195	if (diff < 1)
169	return (num); /check again /	196	return (num); /check again /
170	((goodbad) ? (min += luck) : (diff));	197	((goodbad) ? (min += luck) : (diff));
171	ran = RANDOM ();
172	total += MAX (1, MIN (size, (ran % diff) + min));	198	total += MAX (1, MIN (size, rndm (diff) + min));
173	}	199	}
174	else	200	else
175	{
176	total += RANDOM () % size + 1;	201	total += rndm (size) + 1;
177	}
178	}	202	}
		203
179	return (total);	204	return total;
180	}
181
182	/*
183	* Another convenience function. Returns a number between min and max.
184	* It is suggested one use these functions rather than RANDOM()%, as it
185	* would appear that a number of off-by-one-errors exist due to improper
186	* use of %. This should also prevent SIGFPE.
187	*/
188
189	int
190	rndm (int min, int max)
191	{
192	int diff;
193
194	diff = max - min + 1;
195	if (max < 1 \|\| diff < 1)
196	return (min);
197
198	return (RANDOM () % diff + min);
199	}
200
201	/* decay and destroy perishable items in a map */
202	void
203	maptile::decay_objects ()
204	{
205	if (!spaces)
206	return;
207
208	for (mapspace *ms = spaces + size (); ms-- > spaces; )
209	for (object above, op = ms->bot; op; op = above)
210	{
211	above = op->above;
212
213	bool destroy = 0;
214
215	// do not decay anything above unique floor tiles (yet :)
216	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
217	break;
218
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	; // do not decay
227	else if (op->is_weapon ())
228	{
229	op->stats.dam--;
230	if (op->stats.dam < 0)
231	destroy = 1;
232	}
233	else if (op->is_armor ())
234	{
235	op->stats.ac--;
236	if (op->stats.ac < 0)
237	destroy = 1;
238	}
239	else if (op->type == FOOD)
240	{
241	op->stats.food -= rndm (5, 20);
242	if (op->stats.food < 0)
243	destroy = 1;
244	}
245	else
246	{
247	int mat = op->material;
248
249	if (mat & M_PAPER
250	\|\| mat & M_LEATHER
251	\|\| mat & M_WOOD
252	\|\| mat & M_ORGANIC
253	\|\| mat & M_CLOTH
254	\|\| mat & M_LIQUID
255	\|\| (mat & M_IRON && rndm (1, 5) == 1)
256	\|\| (mat & M_GLASS && rndm (1, 2) == 1)
257	\|\| ((mat & M_STONE \|\| mat & M_ADAMANT) && rndm (1, 10) == 1)
258	\|\| ((mat & M_SOFT_METAL \|\| mat & M_BONE) && rndm (1, 3) == 1)
259	\|\| (mat & M_ICE && temp > 32))
260	destroy = 1;
261	}
262
263	/* adjust overall chance below */
264	if (destroy && rndm (0, 1))
265	op->destroy ();
266	}
267	}	205	}
268		206
269	/* convert materialname to materialtype_t */	207	/* convert materialname to materialtype_t */
270		208
271	materialtype_t *	209	materialtype_t *
272	name_to_material (const char *name)	210	name_to_material (const shstr_cmp name)
273	{	211	{
274	materialtype_t mt, nmt;	212	for (materialtype_t *mt = materialt; mt; mt = mt->next)
		213	if (name == mt->name)
		214	return mt;
275		215
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;	216	return 0;
286	}	217	}
287		218
288	/* when doing transmutation of objects, we have to recheck the resistances,	219	/* when doing transmutation of objects, we have to recheck the resistances,
289	* as some that did not apply previously, may apply now.	220	* as some that did not apply previously, may apply now.
290	*/	221	*/
291
292	void	222	void
293	transmute_materialname (object op, const object change)	223	transmute_materialname (object op, const object change)
294	{	224	{
295	materialtype_t *mt;	225	materialtype_t *mt;
296	int j;	226	int j;
297		227
298	if (op->materialname == NULL)	228	if (!op->materialname)
299	return;	229	return;
300		230
301	if (change->materialname != NULL && strcmp (op->materialname, change->materialname))	231	if (op->materialname != change->materialname)
302	return;	232	return;
303		233
304	if (!op->is_armor ())	234	if (!op->is_armor ())
305	return;	235	return;
306		236
307	mt = name_to_material (op->materialname);	237	mt = name_to_material (op->materialname);
308	if (!mt)	238	if (!mt)
309	{	239	{
310	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);
311	return;	241	return;
312	}	242	}
313		243
314	for (j = 0; j < NROFATTACKS; j++)	244	for (j = 0; j < NROFATTACKS; j++)
315	if (op->resist[j] == 0 && change->resist[j] != 0)	245	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
326	void	256	void
327	set_materialname (object op, int difficulty, materialtype_t nmt)	257	set_materialname (object op, int difficulty, materialtype_t nmt)
328	{	258	{
329	materialtype_t mt, lmt;	259	materialtype_t mt, lmt;
330		260
331	#ifdef NEW_MATERIAL_CODE
332	int j;
333	#endif
334
335	if (op->materialname != NULL)	261	if (!op->materialname)
336	return;	262	return;
337		263
338		264	if (nmt)
339		265	lmt = nmt;
340	if (nmt == NULL)	266	else
341	{	267	{
342	lmt = NULL;	268	lmt = 0;
343	#ifndef NEW_MATERIAL_CODE	269
344	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	270	for (mt = materialt; mt; mt = mt->next)
345	{	271	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
346	if (op->material & mt->material)	272	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
347	{	273	{
348	lmt = mt;	274	lmt = mt;
		275	if (!(op->is_weapon () \|\| op->is_armor ()))
349	break;	276	break;
350	}	277	}
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	}
366	else
367	{	278	}
368	lmt = nmt;	279
		280	if (lmt)
369	}	281	{
370
371	if (lmt != NULL)
372	{
373	#ifndef NEW_MATERIAL_CODE
374	op->materialname = lmt->name;
375	return;
376	#else
377
378	if (op->stats.dam && op->is_weapon ())	282	if (op->stats.dam && op->is_weapon ())
379	{	283	{
380	op->stats.dam += lmt->damage;	284	op->stats.dam += lmt->damage;
381	if (op->stats.dam < 1)	285	if (op->stats.dam < 1)
382	op->stats.dam = 1;	286	op->stats.dam = 1;
383	}	287	}
		288
384	if (op->stats.sp && op->type == BOW)	289	if (op->stats.sp && op->type == BOW)
385	op->stats.sp += lmt->sp;	290	op->stats.sp += lmt->sp;
386	if (op->stats.wc && op->is_weapon ())	291	if (op->stats.wc && op->is_weapon ())
387	op->stats.wc += lmt->wc;	292	op->stats.wc += lmt->wc;
388	if (op->is_armor ())	293	if (op->is_armor ())
389	{	294	{
390	if (op->stats.ac)	295	if (op->stats.ac)
391	op->stats.ac += lmt->ac;	296	op->stats.ac += lmt->ac;
		297
392	for (j = 0; j < NROFATTACKS; j++)	298	for (int j = 0; j < NROFATTACKS; j++)
393	if (op->resist[j] != 0)	299	if (op->resist[j] != 0)
394	{	300	{
395	op->resist[j] += lmt->mod[j];	301	op->resist[j] += lmt->mod[j];
396	if (op->resist[j] > 100)	302	if (op->resist[j] > 100)
397	op->resist[j] = 100;	303	op->resist[j] = 100;
398	if (op->resist[j] < -100)	304	if (op->resist[j] < -100)
399	op->resist[j] = -100;	305	op->resist[j] = -100;
400	}	306	}
401	}	307	}
		308
402	op->materialname = add_string (lmt->name);	309	op->materialname = lmt->name;
403	/* dont make it unstackable if it doesn't need to be */	310	/* dont make it unstackable if it doesn't need to be */
404	if (op->is_weapon () \|\| op->is_armor ())	311	if (op->is_weapon () \|\| op->is_armor ())
405	{	312	{
406	op->weight = (op->weight * lmt->weight) / 100;	313	op->weight = (op->weight * lmt->weight) / 100;
407	op->value = (op->value * lmt->value) / 100;	314	op->value = (op->value * lmt->value) / 100;
408	}	315	}
409	#endif
410	}	316	}
411	}	317	}
412		318
413	/*	319	/*
414	* Strip out the media tags from a String.	320	* Strip out the media tags from a String.
…		…
509	* 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
510	* 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.
511	* This function will also strip all trailing non alphanumeric characters.	417	* This function will also strip all trailing non alphanumeric characters.
512	* It does not insert an oxford comma.	418	* It does not insert an oxford comma.
513	*/	419	*/
514
515	void	420	void
516	make_list_like (char *input)	421	make_list_like (char *input)
517	{	422	{
518	char *p, tmp[MAX_BUF];	423	char *p, tmp[MAX_BUF];
519	int i;	424	int i;
…		…
544	return;	449	return;
545	}	450	}
546		451
547	/////////////////////////////////////////////////////////////////////////////	452	/////////////////////////////////////////////////////////////////////////////
548		453
		454	void
		455	fork_abort (const char *msg)
		456	{
		457	if (!fork ())
		458	{
		459	signal (SIGINT , SIG_IGN);
		460	signal (SIGTERM, SIG_IGN);
		461	signal (SIGABRT, SIG_IGN);
		462
		463	signal (SIGSEGV, SIG_DFL);
		464	signal (SIGBUS , SIG_DFL);
		465	signal (SIGILL , SIG_DFL);
		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);
		496	}
		497
549	void *salloc_ (int n) throw (std::bad_alloc)	498	void *salloc_ (int n) throw (std::bad_alloc)
550	{	499	{
551	void *ptr = g_slice_alloc (n);	500	void *ptr = g_slice_alloc (n);
552		501
553	if (!ptr)	502	if (!ptr)
554	throw std::bad_alloc ();	503	throw std::bad_alloc ();
555		504
		505	slice_alloc += n;
556	return ptr;	506	return ptr;
557	}	507	}
558		508
559	void salloc_ (int n, void src) throw (std::bad_alloc)	509	void salloc_ (int n, void src) throw (std::bad_alloc)
560	{	510	{
…		…
566	memset (ptr, 0, n);	516	memset (ptr, 0, n);
567		517
568	return ptr;	518	return ptr;
569	}	519	}
570		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
		560	#endif
		561
		562	/******************************************************************************/
		563
		564	int
571	void assign (char dst, const char src, int maxlen)	565	assign (char dst, const char src, int maxsize)
572	{	566	{
573	if (!src)	567	if (!src)
574	src = "";	568	src = "";
575		569
576	int len = strlen (src);	570	int len = strlen (src);
577		571
578	if (len >= maxlen - 1)	572	if (len >= maxsize)
579	{	573	{
580	if (maxlen <= 4)	574	if (maxsize <= 4)
581	{	575	{
582	memset (dst, '.', maxlen - 1);	576	memset (dst, '.', maxsize - 2);
583	dst [maxlen - 1] = 0;	577	dst [maxsize - 1] = 0;
584	}	578	}
585	else	579	else
586	{	580	{
587	memcpy (dst, src, maxlen - 4);	581	memcpy (dst, src, maxsize - 4);
588	memcpy (dst + maxlen - 4, "...", 4);	582	memcpy (dst + maxsize - 4, "...", 4);
589	}	583	}
		584
		585	len = maxsize;
590	}	586	}
591	else	587	else
592	memcpy (dst, src, len + 1);	588	memcpy (dst, src, ++len);
		589
		590	return len;
		591	}
		592
		593	const char *
		594	format (const char *format, ...)
		595	{
		596	static dynbuf_text buf;
		597
		598	buf.clear ();
		599
		600	va_list ap;
		601	va_start (ap, format);
		602	buf.vprintf (format, ap);
		603	va_end (ap);
		604
		605	return buf;
593	}	606	}
594		607
595	tstamp now ()	608	tstamp now ()
596	{	609	{
597	struct timeval tv;	610	struct timeval tv;
…		…
608		621
609	int diff = (b - a) & 7;	622	int diff = (b - a) & 7;
610	return diff <= 1 \|\| diff >= 7;	623	return diff <= 1 \|\| diff >= 7;
611	}	624	}
612		625
		626	/* crc32 0xdebb20e3 table and supplementary functions. */
		627	extern const uint32_t crc_32_tab[256] =
		628	{
		629	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		630	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		631	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		632	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		633	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		634	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		635	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		636	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		637	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		638	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		639	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		640	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		641	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		642	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		643	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		644	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		645	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		646	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		647	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		648	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		649	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		650	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		651	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		652	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		653	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		654	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		655	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		656	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		657	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		658	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		659	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		660	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		661	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		662	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		663	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		664	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		665	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		666	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		667	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		668	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		669	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		670	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		671	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		672	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		673	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		674	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		675	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		676	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		677	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		678	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		679	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		680	0x2d02ef8dL
		681	};
		682
		683	void thread::start (void (start_routine)(void ), void arg)
		684	{
		685	pthread_attr_t attr;
		686
		687	pthread_attr_init (&attr);
		688	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		689	pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
		690	? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
		691	#ifdef PTHREAD_SCOPE_PROCESS
		692	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
		693	#endif
		694
		695	sigset_t fullsigset, oldsigset;
		696	sigfillset (&fullsigset);
		697
		698	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
		699
		700	if (pthread_create (&id, &attr, start_routine, arg))
		701	cleanup ("unable to create a new thread");
		702
		703	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
		704	}
		705

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.36 by pippijn, Sat Jan 6 14:42:29 2007 UTC vs. Revision 1.86 by root, Mon Jan 12 03:40:21 2009 UTC

Diff Legend

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.36 by pippijn, Sat Jan 6 14:42:29 2007 UTC vs.
Revision 1.86 by root, Mon Jan 12 03:40:21 2009 UTC