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

Comparing deliantra/server/common/utils.C (file contents):
Revision 1.33 by root, Sun Dec 31 18:10:40 2006 UTC vs.
Revision 1.63 by root, Mon Aug 6 10:54:11 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT 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	* Crossfire TRT 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 at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/*	24	/*
25	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
26	*/	26	*/
		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>
27		34
28	#include <global.h>	35	#include <global.h>
29	#include <funcpoint.h>	36	#include <funcpoint.h>
30	#include <material.h>	37	#include <material.h>
31		38
32	#include <sys/time.h>
33	#include <time.h>
34	#include <glib.h>	39	#include <glib.h>
		40
		41	refcnt_base::refcnt_t refcnt_dummy;
		42
		43	rand_gen rndm;
		44
		45	void
		46	tausworthe_random_generator::seed (uint32_t seed)
		47	{
		48	state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
		49	state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
		50	state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
		51	state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
		52
		53	for (int i = 11; --i; )
		54	operator ()();
		55	}
		56
		57	uint32_t
		58	tausworthe_random_generator::next ()
		59	{
		60	state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
		61	state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
		62	state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
		63	state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
		64
		65	return state [0] ^ state [1] ^ state [2] ^ state [3];
		66	}
		67
		68	uint32_t
		69	tausworthe_random_generator::get_range (uint32_t num)
		70	{
		71	return (next () * (uint64_t)num) >> 32U;
		72	}
		73
		74	// return a number within (min .. max)
		75	int
		76	tausworthe_random_generator::get_range (int r_min, int r_max)
		77	{
		78	return r_min + get_range (max (r_max - r_min + 1, 0));
		79	}
35		80
36	/*	81	/*
37	* The random functions here take luck into account when rolling random	82	* 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	83	* 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	84	* 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,	91	* 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.	92	* 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,	93	* Generally, op should be the player/caster/hitter requesting the roll,
49	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	94	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
50	*/	95	*/
51
52	int	96	int
53	random_roll (int min, int max, const object *op, int goodbad)	97	random_roll (int r_min, int r_max, const object *op, int goodbad)
54	{	98	{
55	int omin, diff, luck, base, ran;	99	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
56		100
57	omin = min;	101	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	{	102	{
63	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);	103	LOG (llevError \| logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
		104	return r_min;
		105	}
		106
		107	if (op->type == PLAYER)
		108	{
		109	int luck = op->stats.luck;
		110
		111	if (rndm (base) < min (10, abs (luck)))
		112	{
		113	//TODO: take luck into account
		114	}
		115	}
		116
		117	return rndm (r_min, r_max);
		118	}
		119
		120	/*
		121	* This is a 64 bit version of random_roll above. This is needed
		122	* for exp loss calculations for players changing religions.
		123	*/
		124	sint64
		125	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
		126	{
		127	sint64 omin = min;
		128	sint64 diff = max - min + 1;
		129	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		130
		131	if (diff < 0)
		132	{
		133	LOG (llevError \| logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
64	return (min); /* avoids a float exception */	134	return (min); /* avoids a float exception */
65	}	135	}
66		136
67	ran = RANDOM ();	137	/*
		138	* Make a call to get two 32 bit unsigned random numbers, and just to
		139	* a little bitshifting.
		140	*/
		141	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
68		142
69	if (op->type != PLAYER)	143	if (op->type != PLAYER)
70	return ((ran % diff) + min);	144	return ((ran % diff) + min);
71		145
72	luck = op->stats.luck;	146	int luck = op->stats.luck;
		147
73	if (RANDOM () % base < MIN (10, abs (luck)))	148	if (rndm (base) < MIN (10, abs (luck)))
74	{	149	{
75	/* we have a winner */	150	/* we have a winner */
76	((luck > 0) ? (luck = 1) : (luck = -1));	151	((luck > 0) ? (luck = 1) : (luck = -1));
77	diff -= luck;	152	diff -= luck;
78	if (diff < 1)	153	if (diff < 1)
79	return (omin); /check again /	154	return (omin); /check again /
		155
80	((goodbad) ? (min += luck) : (diff));	156	((goodbad) ? (min += luck) : (diff));
81		157
82	return (MAX (omin, MIN (max, (ran % diff) + min)));	158	return (MAX (omin, MIN (max, (ran % diff) + min)));
83	}	159	}
		160
84	return ((ran % diff) + min);	161	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	}	162	}
132		163
133	/*	164	/*
134	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	165	* 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.	166	* 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,	167	* Generally, op should be the player/caster/hitter requesting the roll,
137	* not the recipient (ie, the poor slob getting hit).	168	* not the recipient (ie, the poor slob getting hit).
138	* The args are num D size (ie 4d6) [garbled 20010916]	169	* The args are num D size (ie 4d6) [garbled 20010916]
139	*/	170	*/
140
141	int	171	int
142	die_roll (int num, int size, const object *op, int goodbad)	172	die_roll (int num, int size, const object *op, int goodbad)
143	{	173	{
144	int min, diff, luck, total, i, gotlucky, base, ran;	174	int min, luck, total, i, gotlucky;
145		175
146	diff = size;	176	int diff = size;
147	min = 1;	177	min = 1;
148	luck = total = gotlucky = 0;	178	luck = total = gotlucky = 0;
149	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	179	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		180
150	if (size < 2 \|\| diff < 1)	181	if (size < 2 \|\| diff < 1)
151	{	182	{
152	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	183	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
153	return (num); /* avoids a float exception */	184	return num; /* avoids a float exception */
154	}	185	}
155		186
156	if (op->type == PLAYER)	187	if (op->type == PLAYER)
157	luck = op->stats.luck;	188	luck = op->stats.luck;
158		189
159	for (i = 0; i < num; i++)	190	for (i = 0; i < num; i++)
160	{	191	{
161	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	192	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
162	{	193	{
163	/* we have a winner */	194	/* we have a winner */
164	gotlucky++;	195	gotlucky++;
165	((luck > 0) ? (luck = 1) : (luck = -1));	196	((luck > 0) ? (luck = 1) : (luck = -1));
166	diff -= luck;	197	diff -= luck;
167	if (diff < 1)	198	if (diff < 1)
168	return (num); /check again /	199	return (num); /check again /
169	((goodbad) ? (min += luck) : (diff));	200	((goodbad) ? (min += luck) : (diff));
170	ran = RANDOM ();
171	total += MAX (1, MIN (size, (ran % diff) + min));	201	total += MAX (1, MIN (size, rndm (diff) + min));
172	}	202	}
173	else	203	else
174	{
175	total += RANDOM () % size + 1;	204	total += rndm (size) + 1;
176	}
177	}	205	}
		206
178	return (total);	207	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 perishable items in a map */
201	void
202	maptile::decay_objects ()
203	{
204	int x, y, destroy;
205	object op, otmp;
206
207	for (x = 0; x < width; x++)
208	for (y = 0; y < height; y++)
209	for (op = at (x, y).bot; op; op = otmp)
210	{
211	destroy = 0;
212	otmp = op->above;
213
214	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
215	break;
216
217	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
218	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
219	\|\| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
220	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
221	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
222	\|\| QUERY_FLAG (op, FLAG_UNPAID)
223	\|\| op->is_alive ())
224	continue;
225
226	/* otherwise, we decay and destroy */
227	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	if (op->material & M_PAPER \|\| op->material & M_LEATHER \|\|
248	op->material & M_WOOD \|\| op->material & M_ORGANIC \|\| op->material & M_CLOTH \|\| op->material & M_LIQUID)
249	destroy = 1;
250
251	if (op->material & M_IRON && rndm (1, 5) == 1)
252	destroy = 1;
253
254	if (op->material & M_GLASS && rndm (1, 2) == 1)
255	destroy = 1;
256
257	if ((op->material & M_STONE \|\| op->material & M_ADAMANT) && rndm (1, 10) == 1)
258	destroy = 1;
259
260	if ((op->material & M_SOFT_METAL \|\| op->material & M_BONE) && rndm (1, 3) == 1)
261	destroy = 1;
262
263	if (op->material & M_ICE && temp > 32)
264	destroy = 1;
265	}
266
267	/* adjust overall chance below */
268	if (destroy && rndm (0, 1))
269	op->destroy ();
270	}
271	}	208	}
272		209
273	/* convert materialname to materialtype_t */	210	/* convert materialname to materialtype_t */
274		211
275	materialtype_t *	212	materialtype_t *
276	name_to_material (const char *name)	213	name_to_material (const shstr &name)
277	{	214	{
278	materialtype_t mt, nmt;	215	for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
		216	if (name == mt->name)
		217	return mt;
279		218
280	mt = NULL;
281	for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next)
282	{
283	if (strcmp (name, nmt->name) == 0)
284	{
285	mt = nmt;
286	break;
287	}
288	}
289	return mt;	219	return 0;
290	}	220	}
291		221
292	/* when doing transmutation of objects, we have to recheck the resistances,	222	/* when doing transmutation of objects, we have to recheck the resistances,
293	* as some that did not apply previously, may apply now.	223	* as some that did not apply previously, may apply now.
294	*/	224	*/
…		…
309	return;	239	return;
310		240
311	mt = name_to_material (op->materialname);	241	mt = name_to_material (op->materialname);
312	if (!mt)	242	if (!mt)
313	{	243	{
314	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);	244	LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
315	return;	245	return;
316	}	246	}
317		247
318	for (j = 0; j < NROFATTACKS; j++)	248	for (j = 0; j < NROFATTACKS; j++)
319	if (op->resist[j] == 0 && change->resist[j] != 0)	249	if (op->resist[j] == 0 && change->resist[j] != 0)
…		…
330	void	260	void
331	set_materialname (object op, int difficulty, materialtype_t nmt)	261	set_materialname (object op, int difficulty, materialtype_t nmt)
332	{	262	{
333	materialtype_t mt, lmt;	263	materialtype_t mt, lmt;
334		264
335	#ifdef NEW_MATERIAL_CODE
336	int j;
337	#endif
338
339	if (op->materialname != NULL)	265	if (op->materialname != NULL)
340	return;	266	return;
341		267
342
343
344	if (nmt == NULL)	268	if (nmt == NULL)
345	{	269	{
346	lmt = NULL;	270	lmt = NULL;
347	#ifndef NEW_MATERIAL_CODE	271
348	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	272	for (mt = materialt; mt && mt->next; mt = mt->next)
349	{	273	if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
350	if (op->material & mt->material)	274	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
351	{	275	{
352	lmt = mt;	276	lmt = mt;
		277	if (!(op->is_weapon () \|\| op->is_armor ()))
353	break;	278	break;
354	}	279	}
355	}
356
357	#else
358	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
359	{
360	if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
361	difficulty >= mt->difficulty && (op->magic >= mt->magic \|\| mt->magic == 0))
362	{
363	lmt = mt;
364	if (!(op->is_weapon () \|\| op->is_armor ()))
365	break;
366	}
367	}
368	#endif
369	}	280	}
370	else	281	else
371	{
372	lmt = nmt;	282	lmt = nmt;
373	}
374		283
375	if (lmt != NULL)	284	if (lmt != NULL)
376	{	285	{
377	#ifndef NEW_MATERIAL_CODE
378	op->materialname = lmt->name;
379	return;
380	#else
381
382	if (op->stats.dam && op->is_weapon ())	286	if (op->stats.dam && op->is_weapon ())
383	{	287	{
384	op->stats.dam += lmt->damage;	288	op->stats.dam += lmt->damage;
385	if (op->stats.dam < 1)	289	if (op->stats.dam < 1)
386	op->stats.dam = 1;	290	op->stats.dam = 1;
387	}	291	}
		292
388	if (op->stats.sp && op->type == BOW)	293	if (op->stats.sp && op->type == BOW)
389	op->stats.sp += lmt->sp;	294	op->stats.sp += lmt->sp;
390	if (op->stats.wc && op->is_weapon ())	295	if (op->stats.wc && op->is_weapon ())
391	op->stats.wc += lmt->wc;	296	op->stats.wc += lmt->wc;
392	if (op->is_armor ())	297	if (op->is_armor ())
393	{	298	{
394	if (op->stats.ac)	299	if (op->stats.ac)
395	op->stats.ac += lmt->ac;	300	op->stats.ac += lmt->ac;
		301
396	for (j = 0; j < NROFATTACKS; j++)	302	for (int j = 0; j < NROFATTACKS; j++)
397	if (op->resist[j] != 0)	303	if (op->resist[j] != 0)
398	{	304	{
399	op->resist[j] += lmt->mod[j];	305	op->resist[j] += lmt->mod[j];
400	if (op->resist[j] > 100)	306	if (op->resist[j] > 100)
401	op->resist[j] = 100;	307	op->resist[j] = 100;
402	if (op->resist[j] < -100)	308	if (op->resist[j] < -100)
403	op->resist[j] = -100;	309	op->resist[j] = -100;
404	}	310	}
405	}	311	}
		312
406	op->materialname = add_string (lmt->name);	313	op->materialname = lmt->name;
407	/* dont make it unstackable if it doesn't need to be */	314	/* dont make it unstackable if it doesn't need to be */
408	if (op->is_weapon () \|\| op->is_armor ())	315	if (op->is_weapon () \|\| op->is_armor ())
409	{	316	{
410	op->weight = (op->weight * lmt->weight) / 100;	317	op->weight = (op->weight * lmt->weight) / 100;
411	op->value = (op->value * lmt->value) / 100;	318	op->value = (op->value * lmt->value) / 100;
412	}	319	}
413	#endif
414	}	320	}
415	}	321	}
416		322
417	/*	323	/*
418	* Strip out the media tags from a String.	324	* Strip out the media tags from a String.
…		…
548	return;	454	return;
549	}	455	}
550		456
551	/////////////////////////////////////////////////////////////////////////////	457	/////////////////////////////////////////////////////////////////////////////
552		458
		459	void
		460	fork_abort (const char *msg)
		461	{
		462	if (!fork ())
		463	{
		464	signal (SIGABRT, SIG_DFL);
		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	abort ();
		469	}
		470
		471	LOG (llevError, "fork abort: %s\n", msg);
		472	}
		473
553	void *salloc_ (int n) throw (std::bad_alloc)	474	void *salloc_ (int n) throw (std::bad_alloc)
554	{	475	{
		476	#ifdef PREFER_MALLOC
		477	void *ptr = malloc (n);
		478	#else
555	void *ptr = g_slice_alloc (n);	479	void *ptr = g_slice_alloc (n);
		480	#endif
556		481
557	if (!ptr)	482	if (!ptr)
558	throw std::bad_alloc ();	483	throw std::bad_alloc ();
559		484
560	return ptr;	485	return ptr;
…		…
594	}	519	}
595	else	520	else
596	memcpy (dst, src, len + 1);	521	memcpy (dst, src, len + 1);
597	}	522	}
598		523
		524	const std::string
		525	format (const char *format, ...)
		526	{
		527	int len;
		528
		529	{
		530	char buf[128];
		531
		532	va_list ap;
		533	va_start (ap, format);
		534	len = vsnprintf (buf, sizeof (buf), format, ap);
		535	va_end (ap);
		536
		537	assert (len >= 0); // shield againstz broken vsnprintf's
		538
		539	// was our static buffer short enough?
		540	if (len < sizeof (buf))
		541	return std::string (buf, len);
		542	}
		543
		544	{
		545	// longer, try harder
		546	char *buf = salloc<char> (len + 1);
		547
		548	va_list ap;
		549	va_start (ap, format);
		550	vsnprintf (buf, len + 1, format, ap);
		551	va_end (ap);
		552
		553	const std::string s (buf, len);
		554	sfree<char> (buf, len + 1);
		555
		556	return buf;
		557	}
		558	}
		559
599	tstamp now ()	560	tstamp now ()
600	{	561	{
601	struct timeval tv;	562	struct timeval tv;
602		563
603	gettimeofday (&tv, 0);	564	gettimeofday (&tv, 0);
…		…
612		573
613	int diff = (b - a) & 7;	574	int diff = (b - a) & 7;
614	return diff <= 1 \|\| diff >= 7;	575	return diff <= 1 \|\| diff >= 7;
615	}	576	}
616		577
		578	/* crc32 0xdebb20e3 table and supplementary functions. */
		579	extern const uint32_t crc_32_tab[256] =
		580	{
		581	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		582	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		583	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		584	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		585	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		586	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		587	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		588	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		589	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		590	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		591	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		592	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		593	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		594	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		595	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		596	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		597	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		598	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		599	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		600	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		601	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		602	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		603	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		604	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		605	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		606	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		607	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		608	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		609	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		610	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		611	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		612	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		613	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		614	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		615	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		616	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		617	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		618	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		619	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		620	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		621	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		622	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		623	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		624	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		625	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		626	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		627	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		628	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		629	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		630	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		631	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		632	0x2d02ef8dL
		633	};
		634
		635	#if 0
		636	void xyzzy (object_ptr &a, object_ptr &o)
		637	{
		638	asm volatile ("int3");
		639	a = o;
		640	asm volatile ("int3");
		641	}
		642	#endif
		643

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Comparing deliantra/server/common/utils.C (file contents): Revision 1.33 by root, Sun Dec 31 18:10:40 2006 UTC vs. Revision 1.63 by root, Mon Aug 6 10:54:11 2007 UTC

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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.33 by root, Sun Dec 31 18:10:40 2006 UTC vs.
Revision 1.63 by root, Mon Aug 6 10:54:11 2007 UTC