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

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.28 by root, Sat Dec 23 16:05:19 2006 UTC vs.
Revision 1.77 by root, Sun May 4 14:12:37 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
34	#include <glib.h>	38	#include <glib.h>
		39
		40	refcnt_base::refcnt_t refcnt_dummy;
		41	ssize_t slice_alloc;
		42	rand_gen rndm, rmg_rndm;
		43
		44	void
		45	tausworthe_random_generator::seed (uint32_t seed)
		46	{
		47	state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
		48	state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
		49	state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
		50	state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
		51
		52	for (int i = 11; --i; )
		53	operator ()();
		54	}
		55
		56	uint32_t
		57	tausworthe_random_generator::next ()
		58	{
		59	state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
		60	state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
		61	state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
		62	state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
		63
		64	return state [0] ^ state [1] ^ state [2] ^ state [3];
		65	}
		66
		67	uint32_t
		68	tausworthe_random_generator::get_range (uint32_t num)
		69	{
		70	return (next () * (uint64_t)num) >> 32U;
		71	}
		72
		73	// return a number within (min .. max)
		74	int
		75	tausworthe_random_generator::get_range (int r_min, int r_max)
		76	{
		77	return r_min + get_range (max (r_max - r_min + 1, 0));
		78	}
35		79
36	/*	80	/*
37	* The random functions here take luck into account when rolling random	81	* 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	82	* 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	83	* 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,	90	* 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.	91	* 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,	92	* Generally, op should be the player/caster/hitter requesting the roll,
49	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	93	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
50	*/	94	*/
51
52	int	95	int
53	random_roll (int min, int max, const object *op, int goodbad)	96	random_roll (int r_min, int r_max, const object *op, int goodbad)
54	{	97	{
55	int omin, diff, luck, base, ran;	98	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
56		99
57	omin = min;	100	if (r_max < r_min)
58	diff = max - min + 1;
59	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
60
61	if (max < 1 \|\| diff < 1)
62	{	101	{
63	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);	102	LOG (llevError \| logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
		103	return r_min;
		104	}
		105
		106	if (op->type == PLAYER)
		107	{
		108	int luck = op->stats.luck;
		109
		110	if (rndm (base) < min (10, abs (luck)))
		111	{
		112	//TODO: take luck into account
		113	}
		114	}
		115
		116	return rndm (r_min, r_max);
		117	}
		118
		119	/*
		120	* This is a 64 bit version of random_roll above. This is needed
		121	* for exp loss calculations for players changing religions.
		122	*/
		123	sint64
		124	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
		125	{
		126	sint64 omin = min;
		127	sint64 diff = max - min + 1;
		128	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		129
		130	if (diff < 0)
		131	{
		132	LOG (llevError \| logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
64	return (min); /* avoids a float exception */	133	return (min); /* avoids a float exception */
65	}	134	}
66		135
67	ran = RANDOM ();	136	/*
		137	* Make a call to get two 32 bit unsigned random numbers, and just to
		138	* a little bitshifting.
		139	*/
		140	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
68		141
69	if (op->type != PLAYER)	142	if (op->type != PLAYER)
70	return ((ran % diff) + min);	143	return ((ran % diff) + min);
71		144
72	luck = op->stats.luck;	145	int luck = op->stats.luck;
		146
73	if (RANDOM () % base < MIN (10, abs (luck)))	147	if (rndm (base) < MIN (10, abs (luck)))
74	{	148	{
75	/* we have a winner */	149	/* we have a winner */
76	((luck > 0) ? (luck = 1) : (luck = -1));	150	((luck > 0) ? (luck = 1) : (luck = -1));
77	diff -= luck;	151	diff -= luck;
78	if (diff < 1)	152	if (diff < 1)
79	return (omin); /check again /	153	return (omin); /check again /
		154
80	((goodbad) ? (min += luck) : (diff));	155	((goodbad) ? (min += luck) : (diff));
81		156
82	return (MAX (omin, MIN (max, (ran % diff) + min)));	157	return (MAX (omin, MIN (max, (ran % diff) + min)));
83	}	158	}
		159
84	return ((ran % diff) + min);	160	return ran % diff + min;
85	}
86
87	/*
88	* This is a 64 bit version of random_roll above. This is needed
89	* for exp loss calculations for players changing religions.
90	*/
91
92	sint64
93	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
94	{
95	sint64 omin, diff, luck, ran;
96	int base;
97
98	omin = min;
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
110	* a little byteshifting. Do make sure the first one is only
111	* 32 bit, so we don't get skewed results
112	*/
113	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);
114
115	if (op->type != PLAYER)
116	return ((ran % diff) + min);
117
118	luck = op->stats.luck;
119	if (RANDOM () % base < MIN (10, abs (luck)))
120	{
121	/* we have a winner */
122	((luck > 0) ? (luck = 1) : (luck = -1));
123	diff -= luck;
124	if (diff < 1)
125	return (omin); /check again /
126	((goodbad) ? (min += luck) : (diff));
127
128	return (MAX (omin, MIN (max, (ran % diff) + min)));
129	}
130	return ((ran % diff) + min);
131	}	161	}
132		162
133	/*	163	/*
134	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	164	* 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.	165	* 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,	166	* Generally, op should be the player/caster/hitter requesting the roll,
137	* not the recipient (ie, the poor slob getting hit).	167	* not the recipient (ie, the poor slob getting hit).
138	* The args are num D size (ie 4d6) [garbled 20010916]	168	* The args are num D size (ie 4d6) [garbled 20010916]
139	*/	169	*/
140
141	int	170	int
142	die_roll (int num, int size, const object *op, int goodbad)	171	die_roll (int num, int size, const object *op, int goodbad)
143	{	172	{
144	int min, diff, luck, total, i, gotlucky, base, ran;	173	int min, luck, total, i, gotlucky;
145		174
146	diff = size;	175	int diff = size;
147	min = 1;	176	min = 1;
148	luck = total = gotlucky = 0;	177	luck = total = gotlucky = 0;
149	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	178	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		179
150	if (size < 2 \|\| diff < 1)	180	if (size < 2 \|\| diff < 1)
151	{	181	{
152	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	182	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
153	return (num); /* avoids a float exception */	183	return num; /* avoids a float exception */
154	}	184	}
155		185
156	if (op->type == PLAYER)	186	if (op->type == PLAYER)
157	luck = op->stats.luck;	187	luck = op->stats.luck;
158		188
159	for (i = 0; i < num; i++)	189	for (i = 0; i < num; i++)
160	{	190	{
161	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	191	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
162	{	192	{
163	/* we have a winner */	193	/* we have a winner */
164	gotlucky++;	194	gotlucky++;
165	((luck > 0) ? (luck = 1) : (luck = -1));	195	((luck > 0) ? (luck = 1) : (luck = -1));
166	diff -= luck;	196	diff -= luck;
167	if (diff < 1)	197	if (diff < 1)
168	return (num); /check again /	198	return (num); /check again /
169	((goodbad) ? (min += luck) : (diff));	199	((goodbad) ? (min += luck) : (diff));
170	ran = RANDOM ();
171	total += MAX (1, MIN (size, (ran % diff) + min));	200	total += MAX (1, MIN (size, rndm (diff) + min));
172	}	201	}
173	else	202	else
174	{
175	total += RANDOM () % size + 1;	203	total += rndm (size) + 1;
176	}
177	}	204	}
		205
178	return (total);	206	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	}	207	}
268		208
269	/* convert materialname to materialtype_t */	209	/* convert materialname to materialtype_t */
270		210
271	materialtype_t *	211	materialtype_t *
272	name_to_material (const char *name)	212	name_to_material (const shstr &name)
273	{	213	{
274	materialtype_t mt, nmt;	214	for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
		215	if (name == mt->name)
		216	return mt;
275		217
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;	218	return 0;
286	}	219	}
287		220
288	/* when doing transmutation of objects, we have to recheck the resistances,	221	/* when doing transmutation of objects, we have to recheck the resistances,
289	* as some that did not apply previously, may apply now.	222	* as some that did not apply previously, may apply now.
290	*/	223	*/
291
292	void	224	void
293	transmute_materialname (object op, const object change)	225	transmute_materialname (object op, const object change)
294	{	226	{
295	materialtype_t *mt;	227	materialtype_t *mt;
296	int j;	228	int j;
…		…
305	return;	237	return;
306		238
307	mt = name_to_material (op->materialname);	239	mt = name_to_material (op->materialname);
308	if (!mt)	240	if (!mt)
309	{	241	{
310	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);	242	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
311	return;	243	return;
312	}	244	}
313		245
314	for (j = 0; j < NROFATTACKS; j++)	246	for (j = 0; j < NROFATTACKS; j++)
315	if (op->resist[j] == 0 && change->resist[j] != 0)	247	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
326	void	258	void
327	set_materialname (object op, int difficulty, materialtype_t nmt)	259	set_materialname (object op, int difficulty, materialtype_t nmt)
328	{	260	{
329	materialtype_t mt, lmt;	261	materialtype_t mt, lmt;
330		262
331	#ifdef NEW_MATERIAL_CODE
332	int j;
333	#endif
334
335	if (op->materialname != NULL)	263	if (op->materialname != NULL)
336	return;	264	return;
337		265
338
339
340	if (nmt == NULL)	266	if (nmt == NULL)
341	{	267	{
342	lmt = NULL;	268	lmt = NULL;
343	#ifndef NEW_MATERIAL_CODE	269
344	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	270	for (mt = materialt; mt && mt->next; 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	}	278	}
366	else	279	else
367	{
368	lmt = nmt;	280	lmt = nmt;
369	}
370		281
371	if (lmt != NULL)	282	if (lmt != NULL)
372	{	283	{
373	#ifndef NEW_MATERIAL_CODE
374	op->materialname = lmt->name;
375	return;
376	#else
377
378	if (op->stats.dam && op->is_weapon ())	284	if (op->stats.dam && op->is_weapon ())
379	{	285	{
380	op->stats.dam += lmt->damage;	286	op->stats.dam += lmt->damage;
381	if (op->stats.dam < 1)	287	if (op->stats.dam < 1)
382	op->stats.dam = 1;	288	op->stats.dam = 1;
383	}	289	}
		290
384	if (op->stats.sp && op->type == BOW)	291	if (op->stats.sp && op->type == BOW)
385	op->stats.sp += lmt->sp;	292	op->stats.sp += lmt->sp;
386	if (op->stats.wc && op->is_weapon ())	293	if (op->stats.wc && op->is_weapon ())
387	op->stats.wc += lmt->wc;	294	op->stats.wc += lmt->wc;
388	if (op->is_armor ())	295	if (op->is_armor ())
389	{	296	{
390	if (op->stats.ac)	297	if (op->stats.ac)
391	op->stats.ac += lmt->ac;	298	op->stats.ac += lmt->ac;
		299
392	for (j = 0; j < NROFATTACKS; j++)	300	for (int j = 0; j < NROFATTACKS; j++)
393	if (op->resist[j] != 0)	301	if (op->resist[j] != 0)
394	{	302	{
395	op->resist[j] += lmt->mod[j];	303	op->resist[j] += lmt->mod[j];
396	if (op->resist[j] > 100)	304	if (op->resist[j] > 100)
397	op->resist[j] = 100;	305	op->resist[j] = 100;
398	if (op->resist[j] < -100)	306	if (op->resist[j] < -100)
399	op->resist[j] = -100;	307	op->resist[j] = -100;
400	}	308	}
401	}	309	}
		310
402	op->materialname = add_string (lmt->name);	311	op->materialname = lmt->name;
403	/* dont make it unstackable if it doesn't need to be */	312	/* dont make it unstackable if it doesn't need to be */
404	if (op->is_weapon () \|\| op->is_armor ())	313	if (op->is_weapon () \|\| op->is_armor ())
405	{	314	{
406	op->weight = (op->weight * lmt->weight) / 100;	315	op->weight = (op->weight * lmt->weight) / 100;
407	op->value = (op->value * lmt->value) / 100;	316	op->value = (op->value * lmt->value) / 100;
408	}	317	}
409	#endif
410	}	318	}
411	}	319	}
412		320
413	/*	321	/*
414	* Strip out the media tags from a String.	322	* Strip out the media tags from a String.
…		…
509	* a 'list' for the purposes here, is a string of items, seperated by commas, except	417	* 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.	418	* 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.	419	* This function will also strip all trailing non alphanumeric characters.
512	* It does not insert an oxford comma.	420	* It does not insert an oxford comma.
513	*/	421	*/
514
515	void	422	void
516	make_list_like (char *input)	423	make_list_like (char *input)
517	{	424	{
518	char *p, tmp[MAX_BUF];	425	char *p, tmp[MAX_BUF];
519	int i;	426	int i;
…		…
544	return;	451	return;
545	}	452	}
546		453
547	/////////////////////////////////////////////////////////////////////////////	454	/////////////////////////////////////////////////////////////////////////////
548		455
549	#if 0	456	void
550	refcounted *refcounted::rc_first;	457	fork_abort (const char *msg)
551
552	refcounted::refcounted ()
553	{	458	{
554	refcnt = 0;	459	if (!fork ())
555	rc_next = rc_first;	460	{
556	rc_first = this;	461	signal (SIGABRT, SIG_DFL);
557	}	462	// try to put corefiles into a subdirectory, if existing, to allow
558	#endif	463	// an administrator to reduce the I/O load.
		464	chdir ("cores");
		465	abort ();
		466	}
559		467
560	refcounted::~refcounted ()	468	LOG (llevError, "fork abort: %s\n", msg);
561	{
562	#if 0
563	assert (!rc_next);
564	assert (!refcnt);
565	#endif
566	}	469	}
567		470
568	void *salloc_ (int n) throw (std::bad_alloc)	471	void *salloc_ (int n) throw (std::bad_alloc)
569	{	472	{
570	void *ptr = g_slice_alloc (n);	473	void *ptr = g_slice_alloc (n);
571		474
572	if (!ptr)	475	if (!ptr)
573	throw std::bad_alloc ();	476	throw std::bad_alloc ();
574		477
		478	slice_alloc += n;
575	return ptr;	479	return ptr;
576	}	480	}
577		481
578	void salloc_ (int n, void src) throw (std::bad_alloc)	482	void salloc_ (int n, void src) throw (std::bad_alloc)
579	{	483	{
…		…
585	memset (ptr, 0, n);	489	memset (ptr, 0, n);
586		490
587	return ptr;	491	return ptr;
588	}	492	}
589		493
		494	/******************************************************************************/
		495
		496	#if DEBUG_SALLOC
		497
		498	#define MAGIC 0xa1b2c35543deadLL
		499
		500	void *g_slice_alloc (unsigned long size)
		501	{
		502	unsigned long p = (unsigned long ) (g_slice_alloc)(size + sizeof (unsigned long));
		503	*p++ = size ^ MAGIC;
		504	//fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
		505	return (void *)p;
		506	}
		507
		508	void *g_slice_alloc0 (unsigned long size)
		509	{
		510	return memset (g_slice_alloc (size), 0, size);
		511	}
		512
		513	void g_slice_free1 (unsigned long size, void *ptr)
		514	{
		515	//fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
		516	if (expect_true (ptr))
		517	{
		518	unsigned long p = (unsigned long )ptr;
		519	unsigned long s = *--p ^ MAGIC;
		520
		521	if (size != (unsigned long)(*p ^ MAGIC))
		522	{
		523	LOG (logBacktrace \| llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
		524	abort ();
		525	}
		526
		527	*p = MAGIC;
		528
		529	(g_slice_free1)(s + sizeof (unsigned long), p);
		530	}
		531	}
		532
		533	#endif
		534
		535	/******************************************************************************/
		536
590	void assign (char dst, const char src, int maxlen)	537	void assign (char dst, const char src, int maxlen)
591	{	538	{
592	if (!src)	539	if (!src)
593	src = "";	540	src = "";
594		541
…		…
609	}	556	}
610	else	557	else
611	memcpy (dst, src, len + 1);	558	memcpy (dst, src, len + 1);
612	}	559	}
613		560
		561	const char *
		562	format (const char *format, ...)
		563	{
		564	static dynbuf_text buf;
		565
		566	buf.clear ();
		567
		568	va_list ap;
		569	va_start (ap, format);
		570	buf.vprintf (format, ap);
		571	va_end (ap);
		572
		573	return buf;
		574	}
		575
614	tstamp now ()	576	tstamp now ()
615	{	577	{
616	struct timeval tv;	578	struct timeval tv;
617		579
618	gettimeofday (&tv, 0);	580	gettimeofday (&tv, 0);
619	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);	581	return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
620	}	582	}
621		583
		584	int
		585	similar_direction (int a, int b)
		586	{
		587	if (!a \|\| !b)
		588	return 0;
		589
		590	int diff = (b - a) & 7;
		591	return diff <= 1 \|\| diff >= 7;
		592	}
		593
		594	/* crc32 0xdebb20e3 table and supplementary functions. */
		595	extern const uint32_t crc_32_tab[256] =
		596	{
		597	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		598	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		599	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		600	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		601	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		602	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		603	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		604	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		605	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		606	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		607	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		608	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		609	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		610	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		611	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		612	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		613	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		614	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		615	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		616	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		617	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		618	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		619	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		620	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		621	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		622	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		623	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		624	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		625	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		626	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		627	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		628	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		629	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		630	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		631	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		632	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		633	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		634	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		635	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		636	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		637	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		638	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		639	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		640	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		641	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		642	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		643	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		644	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		645	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		646	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		647	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		648	0x2d02ef8dL
		649	};
		650
		651	void thread::start (void (start_routine)(void ), void arg)
		652	{
		653	pthread_attr_t attr;
		654
		655	pthread_attr_init (&attr);
		656	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		657	pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
		658	? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
		659	#ifdef PTHREAD_SCOPE_PROCESS
		660	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
		661	#endif
		662
		663	sigset_t fullsigset, oldsigset;
		664	sigfillset (&fullsigset);
		665
		666	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
		667
		668	if (pthread_create (&id, &attr, start_routine, arg))
		669	cleanup ("unable to create a new thread");
		670
		671	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
		672	}
		673

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.28 by root, Sat Dec 23 16:05:19 2006 UTC vs. Revision 1.77 by root, Sun May 4 14:12:37 2008 UTC

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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.28 by root, Sat Dec 23 16:05:19 2006 UTC vs.
Revision 1.77 by root, Sun May 4 14:12:37 2008 UTC