[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 1.61 by root, Tue Jul 10 05:51:37 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 (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT 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	* Crossfire TRT 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
22	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>
23	*/	22	*/
24		23
25	/*	24	/*
26	* General convenience functions for crossfire.	25	* General convenience functions for crossfire.
27	*/	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>
28		34
29	#include <global.h>	35	#include <global.h>
30	#include <funcpoint.h>	36	#include <funcpoint.h>
31	#include <material.h>	37	#include <material.h>
32		38
33	#include <sys/time.h>
34	#include <time.h>
35	#include <glib.h>	39	#include <glib.h>
		40
		41	rand_gen rndm;
		42
		43	void
		44	tausworthe_random_generator::seed (uint32_t seed)
		45	{
		46	state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
		47	state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
		48	state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
		49	state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
		50
		51	for (int i = 11; --i; )
		52	operator ()();
		53	}
		54
		55	uint32_t
		56	tausworthe_random_generator::next ()
		57	{
		58	state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
		59	state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
		60	state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
		61	state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
		62
		63	return state [0] ^ state [1] ^ state [2] ^ state [3];
		64	}
		65
		66	uint32_t
		67	tausworthe_random_generator::get_range (uint32_t num)
		68	{
		69	return (next () * (uint64_t)num) >> 32U;
		70	}
		71
		72	// return a number within (min .. max)
		73	int
		74	tausworthe_random_generator::get_range (int r_min, int r_max)
		75	{
		76	return r_min + get_range (max (r_max - r_min + 1, 0));
		77	}
36		78
37	/*	79	/*
38	* The random functions here take luck into account when rolling random	80	* 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	81	* 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	82	* 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,	89	* 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.	90	* 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,	91	* Generally, op should be the player/caster/hitter requesting the roll,
50	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]	92	* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
51	*/	93	*/
52
53	int	94	int
54	random_roll (int min, int max, const object *op, int goodbad)	95	random_roll (int r_min, int r_max, const object *op, int goodbad)
55	{	96	{
56	int omin, diff, luck, base, ran;	97	int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
57		98
58	omin = min;	99	if (r_max < r_min)
59	diff = max - min + 1;
60	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
61
62	if (max < 1 \|\| diff < 1)
63	{	100	{
64	LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max);	101	LOG (llevError \| logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
		102	return r_min;
		103	}
		104
		105	if (op->type == PLAYER)
		106	{
		107	int luck = op->stats.luck;
		108
		109	if (rndm (base) < min (10, abs (luck)))
		110	{
		111	//TODO: take luck into account
		112	}
		113	}
		114
		115	return rndm (r_min, r_max);
		116	}
		117
		118	/*
		119	* This is a 64 bit version of random_roll above. This is needed
		120	* for exp loss calculations for players changing religions.
		121	*/
		122	sint64
		123	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
		124	{
		125	sint64 omin = min;
		126	sint64 diff = max - min + 1;
		127	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		128
		129	if (diff < 0)
		130	{
		131	LOG (llevError \| logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
65	return (min); /* avoids a float exception */	132	return (min); /* avoids a float exception */
66	}	133	}
67		134
68	ran = RANDOM ();	135	/*
		136	* Make a call to get two 32 bit unsigned random numbers, and just to
		137	* a little bitshifting.
		138	*/
		139	sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
69		140
70	if (op->type != PLAYER)	141	if (op->type != PLAYER)
71	return ((ran % diff) + min);	142	return ((ran % diff) + min);
72		143
73	luck = op->stats.luck;	144	int luck = op->stats.luck;
		145
74	if (RANDOM () % base < MIN (10, abs (luck)))	146	if (rndm (base) < MIN (10, abs (luck)))
75	{	147	{
76	/* we have a winner */	148	/* we have a winner */
77	((luck > 0) ? (luck = 1) : (luck = -1));	149	((luck > 0) ? (luck = 1) : (luck = -1));
78	diff -= luck;	150	diff -= luck;
79	if (diff < 1)	151	if (diff < 1)
80	return (omin); /check again /	152	return (omin); /check again /
		153
81	((goodbad) ? (min += luck) : (diff));	154	((goodbad) ? (min += luck) : (diff));
82		155
83	return (MAX (omin, MIN (max, (ran % diff) + min)));	156	return (MAX (omin, MIN (max, (ran % diff) + min)));
84	}	157	}
		158
85	return ((ran % diff) + min);	159	return ran % diff + min;
86	}
87
88	/*
89	* This is a 64 bit version of random_roll above. This is needed
90	* for exp loss calculations for players changing religions.
91	*/
92
93	sint64
94	random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
95	{
96	sint64 omin, diff, luck, ran;
97	int base;
98
99	omin = min;
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
111	* a little byteshifting. Do make sure the first one is only
112	* 32 bit, so we don't get skewed results
113	*/
114	ran = (RANDOM () & 0xffffffff) \| ((sint64) RANDOM () << 32);
115
116	if (op->type != PLAYER)
117	return ((ran % diff) + min);
118
119	luck = op->stats.luck;
120	if (RANDOM () % base < MIN (10, abs (luck)))
121	{
122	/* we have a winner */
123	((luck > 0) ? (luck = 1) : (luck = -1));
124	diff -= luck;
125	if (diff < 1)
126	return (omin); /check again /
127	((goodbad) ? (min += luck) : (diff));
128
129	return (MAX (omin, MIN (max, (ran % diff) + min)));
130	}
131	return ((ran % diff) + min);
132	}	160	}
133		161
134	/*	162	/*
135	* Roll a number of dice (2d3, 4d6). Uses op to determine luck,	163	* 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.	164	* 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,	165	* Generally, op should be the player/caster/hitter requesting the roll,
138	* not the recipient (ie, the poor slob getting hit).	166	* not the recipient (ie, the poor slob getting hit).
139	* The args are num D size (ie 4d6) [garbled 20010916]	167	* The args are num D size (ie 4d6) [garbled 20010916]
140	*/	168	*/
141
142	int	169	int
143	die_roll (int num, int size, const object *op, int goodbad)	170	die_roll (int num, int size, const object *op, int goodbad)
144	{	171	{
145	int min, diff, luck, total, i, gotlucky, base, ran;	172	int min, luck, total, i, gotlucky;
146		173
147	diff = size;	174	int diff = size;
148	min = 1;	175	min = 1;
149	luck = total = gotlucky = 0;	176	luck = total = gotlucky = 0;
150	((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */	177	int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
		178
151	if (size < 2 \|\| diff < 1)	179	if (size < 2 \|\| diff < 1)
152	{	180	{
153	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);	181	LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
154	return (num); /* avoids a float exception */	182	return num; /* avoids a float exception */
155	}	183	}
156		184
157	if (op->type == PLAYER)	185	if (op->type == PLAYER)
158	luck = op->stats.luck;	186	luck = op->stats.luck;
159		187
160	for (i = 0; i < num; i++)	188	for (i = 0; i < num; i++)
161	{	189	{
162	if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky)	190	if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
163	{	191	{
164	/* we have a winner */	192	/* we have a winner */
165	gotlucky++;	193	gotlucky++;
166	((luck > 0) ? (luck = 1) : (luck = -1));	194	((luck > 0) ? (luck = 1) : (luck = -1));
167	diff -= luck;	195	diff -= luck;
168	if (diff < 1)	196	if (diff < 1)
169	return (num); /check again /	197	return (num); /check again /
170	((goodbad) ? (min += luck) : (diff));	198	((goodbad) ? (min += luck) : (diff));
171	ran = RANDOM ();
172	total += MAX (1, MIN (size, (ran % diff) + min));	199	total += MAX (1, MIN (size, rndm (diff) + min));
173	}	200	}
174	else	201	else
175	{
176	total += RANDOM () % size + 1;	202	total += rndm (size) + 1;
177	}
178	}	203	}
		204
179	return (total);	205	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	}	206	}
268		207
269	/* convert materialname to materialtype_t */	208	/* convert materialname to materialtype_t */
270		209
271	materialtype_t *	210	materialtype_t *
272	name_to_material (const char *name)	211	name_to_material (const shstr &name)
273	{	212	{
274	materialtype_t mt, nmt;	213	for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
275		214	if (name == mt->name)
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;	215	return mt;
		216
		217	return materialt;
286	}	218	}
287		219
288	/* when doing transmutation of objects, we have to recheck the resistances,	220	/* when doing transmutation of objects, we have to recheck the resistances,
289	* as some that did not apply previously, may apply now.	221	* as some that did not apply previously, may apply now.
290	*/	222	*/
…		…
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.
…		…
544	return;	452	return;
545	}	453	}
546		454
547	/////////////////////////////////////////////////////////////////////////////	455	/////////////////////////////////////////////////////////////////////////////
548		456
		457	void
		458	fork_abort (const char *msg)
		459	{
		460	if (!fork ())
		461	{
		462	signal (SIGABRT, SIG_DFL);
		463	// try to put corefiles into a subdirectory, if existing, to allow
		464	// an administrator to reduce the I/O load.
		465	chdir ("cores");
		466	abort ();
		467	}
		468
		469	LOG (llevError, "fork abort: %s\n", msg);
		470	}
		471
549	void *salloc_ (int n) throw (std::bad_alloc)	472	void *salloc_ (int n) throw (std::bad_alloc)
550	{	473	{
		474	#ifdef PREFER_MALLOC
		475	void *ptr = malloc (n);
		476	#else
551	void *ptr = g_slice_alloc (n);	477	void *ptr = g_slice_alloc (n);
		478	#endif
552		479
553	if (!ptr)	480	if (!ptr)
554	throw std::bad_alloc ();	481	throw std::bad_alloc ();
555		482
556	return ptr;	483	return ptr;
…		…
590	}	517	}
591	else	518	else
592	memcpy (dst, src, len + 1);	519	memcpy (dst, src, len + 1);
593	}	520	}
594		521
		522	const std::string
		523	format (const char *format, ...)
		524	{
		525	int len;
		526
		527	{
		528	char buf[128];
		529
		530	va_list ap;
		531	va_start (ap, format);
		532	len = vsnprintf (buf, sizeof (buf), format, ap);
		533	va_end (ap);
		534
		535	assert (len >= 0); // shield againstz broken vsnprintf's
		536
		537	// was our static buffer short enough?
		538	if (len < sizeof (buf))
		539	return std::string (buf, len);
		540	}
		541
		542	{
		543	// longer, try harder
		544	char *buf = salloc<char> (len + 1);
		545
		546	va_list ap;
		547	va_start (ap, format);
		548	vsnprintf (buf, len + 1, format, ap);
		549	va_end (ap);
		550
		551	const std::string s (buf, len);
		552	sfree<char> (buf, len + 1);
		553
		554	return buf;
		555	}
		556	}
		557
595	tstamp now ()	558	tstamp now ()
596	{	559	{
597	struct timeval tv;	560	struct timeval tv;
598		561
599	gettimeofday (&tv, 0);	562	gettimeofday (&tv, 0);
…		…
608		571
609	int diff = (b - a) & 7;	572	int diff = (b - a) & 7;
610	return diff <= 1 \|\| diff >= 7;	573	return diff <= 1 \|\| diff >= 7;
611	}	574	}
612		575
		576	/* crc32 0xdebb20e3 table and supplementary functions. */
		577	extern const uint32_t crc_32_tab[256] =
		578	{
		579	0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
		580	0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
		581	0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
		582	0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
		583	0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
		584	0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
		585	0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
		586	0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
		587	0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
		588	0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
		589	0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
		590	0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
		591	0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
		592	0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
		593	0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
		594	0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
		595	0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
		596	0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
		597	0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
		598	0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
		599	0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
		600	0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
		601	0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
		602	0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
		603	0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
		604	0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
		605	0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
		606	0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
		607	0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
		608	0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
		609	0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
		610	0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
		611	0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
		612	0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
		613	0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
		614	0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
		615	0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
		616	0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
		617	0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
		618	0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
		619	0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
		620	0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
		621	0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
		622	0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
		623	0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
		624	0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
		625	0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
		626	0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
		627	0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
		628	0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
		629	0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
		630	0x2d02ef8dL
		631	};
		632
		633

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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 1.61 by root, Tue Jul 10 05:51:37 2007 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 1.61 by root, Tue Jul 10 05:51:37 2007 UTC