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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.59 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.90 by root, Thu Oct 15 21:09:32 2009 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * under the terms of the GNU General Public License as published by the Free 9 * the terms of the Affero GNU General Public License as published by the
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 18 * You should have received a copy of the Affero GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * and the GNU General Public License along with this program. If not, see
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24 24
25/* 25/*
26 * General convenience functions for crossfire. 26 * General convenience functions for crossfire.
27 */ 27 */
… …
32#include <sys/time.h> 32#include <sys/time.h>
33#include <time.h> 33#include <time.h>
34#include <signal.h> 34#include <signal.h>
35 35
36#include <global.h> 36#include <global.h>
37#include <funcpoint.h>
38#include <material.h> 37#include <material.h>
38#include <object.h>
39
40#include <sys/time.h>
41#include <sys/resource.h>
39 42
40#include <glib.h> 43#include <glib.h>
41 44
42rand_gen rndm; 45refcnt_base::refcnt_t refcnt_dummy;
46ssize_t slice_alloc;
47rand_gen rndm, rmg_rndm;
43 48
44void 49void
45tausworthe_random_generator::seed (uint32_t seed) 50tausworthe_random_generator::seed (uint32_t seed)
46{ 51{
47 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; 52 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
48 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; 53 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; 54 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
50 state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U; 55 state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
51 56
52 for (int i = 11; --i; ) 57 for (int i = 11; --i; )
53 operator ()(); 58 next ();
54} 59}
55 60
56uint32_t 61uint32_t
57tausworthe_random_generator::next () 62tausworthe_random_generator::next ()
58{ 63{
… …
62 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); 67 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
63 68
64 return state [0] ^ state [1] ^ state [2] ^ state [3]; 69 return state [0] ^ state [1] ^ state [2] ^ state [3];
65} 70}
66 71
72template<class generator>
67uint32_t 73uint32_t
68tausworthe_random_generator::get_range (uint32_t num) 74random_number_generator<generator>::get_range (uint32_t num)
69{ 75{
70 return (next () * (uint64_t)num) >> 32U; 76 return (this->next () * (uint64_t)num) >> 32U;
71} 77}
72 78
73// return a number within (min .. max) 79// return a number within (min .. max)
80template<class generator>
74int 81int
75tausworthe_random_generator::get_range (int r_min, int r_max) 82random_number_generator<generator>::get_range (int r_min, int r_max)
76{ 83{
77 return r_min + get_range (max (r_max - r_min + 1, 0)); 84 return r_min + get_range (max (r_max - r_min + 1, 0));
78} 85}
86
87template struct random_number_generator<tausworthe_random_generator>;
88template struct random_number_generator<xorshift_random_generator>;
79 89
80/* 90/*
81 * The random functions here take luck into account when rolling random 91 * The random functions here take luck into account when rolling random
82 * dice or numbers. This function has less of an impact the larger the 92 * dice or numbers. This function has less of an impact the larger the
83 * difference becomes in the random numbers. IE, the effect is lessened 93 * difference becomes in the random numbers. IE, the effect is lessened
… …
93 * not the recipient (ie, the poor slob getting hit). [garbled 20010916] 103 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
94 */ 104 */
95int 105int
96random_roll (int r_min, int r_max, const object *op, int goodbad) 106random_roll (int r_min, int r_max, const object *op, int goodbad)
97{ 107{
108 r_max = max (r_min, r_max);
109
98 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ 110 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
99
100 if (r_max < r_min)
101 {
102 LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
103 return r_min;
104 }
105 111
106 if (op->type == PLAYER) 112 if (op->type == PLAYER)
107 { 113 {
108 int luck = op->stats.luck; 114 int luck = op->stats.luck;
109 115
… …
119/* 125/*
120 * This is a 64 bit version of random_roll above. This is needed 126 * This is a 64 bit version of random_roll above. This is needed
121 * for exp loss calculations for players changing religions. 127 * for exp loss calculations for players changing religions.
122 */ 128 */
123sint64 129sint64
124random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) 130random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad)
125{ 131{
126 sint64 omin = min; 132 sint64 omin = r_min;
127 sint64 diff = max - min + 1; 133 sint64 range = max (0, r_max - r_min + 1);
128 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */ 134 int base = range > 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);
133 return (min); /* avoids a float exception */
134 }
135 135
136 /* 136 /*
137 * Make a call to get two 32 bit unsigned random numbers, and just to 137 * Make a call to get two 32 bit unsigned random numbers, and just to
138 * a little bitshifting. 138 * a little bitshifting.
139 */ 139 */
140 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); 140 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
141 141
142 if (op->type != PLAYER) 142 if (op->type != PLAYER)
143 return ((ran % diff) + min); 143 return ((ran % range) + r_min);
144 144
145 int luck = op->stats.luck; 145 int luck = op->stats.luck;
146 146
147 if (rndm (base) < MIN (10, abs (luck))) 147 if (rndm (base) < min (10, abs (luck)))
148 { 148 {
149 /* we have a winner */ 149 /* we have a winner */
150 ((luck > 0) ? (luck = 1) : (luck = -1)); 150 ((luck > 0) ? (luck = 1) : (luck = -1));
151 diff -= luck; 151 range -= luck;
152 if (diff < 1) 152 if (range < 1)
153 return (omin); /*check again */ 153 return (omin); /*check again */
154 154
155 ((goodbad) ? (min += luck) : (diff)); 155 ((goodbad) ? (r_min += luck) : (range));
156 156
157 return (MAX (omin, MIN (max, (ran % diff) + min))); 157 return (max (omin, min (r_max, (ran % range) + r_min)));
158 } 158 }
159 159
160 return ran % diff + min; 160 return ran % range + r_min;
161} 161}
162 162
163/* 163/*
164 * 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,
165 * 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.
… …
207} 207}
208 208
209/* convert materialname to materialtype_t */ 209/* convert materialname to materialtype_t */
210 210
211materialtype_t * 211materialtype_t *
212name_to_material (const shstr &name) 212name_to_material (const shstr_cmp name)
213{ 213{
214 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next) 214 for (materialtype_t *mt = materialt; mt; mt = mt->next)
215 if (name == mt->name) 215 if (name == mt->name)
216 return mt; 216 return mt;
217 217
218 return materialt; 218 return 0;
219} 219}
220 220
221/* when doing transmutation of objects, we have to recheck the resistances, 221/* when doing transmutation of objects, we have to recheck the resistances,
222 * as some that did not apply previously, may apply now. 222 * as some that did not apply previously, may apply now.
223 */ 223 */
224
225void 224void
226transmute_materialname (object *op, const object *change) 225transmute_materialname (object *op, const object *change)
227{ 226{
228 materialtype_t *mt; 227 materialtype_t *mt;
229 int j; 228 int j;
230 229
231 if (op->materialname == NULL) 230 if (!op->materialname)
232 return; 231 return;
233 232
234 if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) 233 if (op->materialname != change->materialname)
235 return; 234 return;
236 235
237 if (!op->is_armor ()) 236 if (!op->is_armor ())
238 return; 237 return;
239 238
… …
259void 258void
260set_materialname (object *op, int difficulty, materialtype_t *nmt) 259set_materialname (object *op, int difficulty, materialtype_t *nmt)
261{ 260{
262 materialtype_t *mt, *lmt; 261 materialtype_t *mt, *lmt;
263 262
264#ifdef NEW_MATERIAL_CODE
265 int j;
266#endif
267
268 if (op->materialname != NULL) 263 if (!op->materialname)
269 return; 264 return;
270 265
271 266 if (nmt)
272 267 lmt = nmt;
273 if (nmt == NULL) 268 else
274 { 269 {
275 lmt = NULL; 270 lmt = 0;
276#ifndef NEW_MATERIAL_CODE 271
277 for (mt = materialt; mt && mt->next; mt = mt->next) 272 for (mt = materialt; mt; mt = mt->next)
278 { 273 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
279 if (op->materials & mt->material) 274 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
280 { 275 {
281 lmt = mt; 276 lmt = mt;
277 if (!(op->is_weapon () || op->is_armor ()))
282 break; 278 break;
283 } 279 }
284 }
285
286#else
287 for (mt = materialt; mt && mt->next; mt = mt->next)
288 {
289 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
290 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
291 {
292 lmt = mt;
293 if (!(op->is_weapon () || op->is_armor ()))
294 break;
295 }
296 }
297#endif
298 }
299 else
300 { 280 }
301 lmt = nmt; 281
282 if (lmt)
302 } 283 {
303
304 if (lmt != NULL)
305 {
306#ifndef NEW_MATERIAL_CODE
307 op->materialname = lmt->name;
308 return;
309#else
310
311 if (op->stats.dam && op->is_weapon ()) 284 if (op->stats.dam && op->is_weapon ())
312 { 285 {
313 op->stats.dam += lmt->damage; 286 op->stats.dam += lmt->damage;
314 if (op->stats.dam < 1) 287 if (op->stats.dam < 1)
315 op->stats.dam = 1; 288 op->stats.dam = 1;
… …
321 op->stats.wc += lmt->wc; 294 op->stats.wc += lmt->wc;
322 if (op->is_armor ()) 295 if (op->is_armor ())
323 { 296 {
324 if (op->stats.ac) 297 if (op->stats.ac)
325 op->stats.ac += lmt->ac; 298 op->stats.ac += lmt->ac;
299
326 for (j = 0; j < NROFATTACKS; j++) 300 for (int j = 0; j < NROFATTACKS; j++)
327 if (op->resist[j] != 0) 301 if (op->resist[j] != 0)
328 { 302 {
329 op->resist[j] += lmt->mod[j]; 303 op->resist[j] += lmt->mod[j];
330 if (op->resist[j] > 100) 304 if (op->resist[j] > 100)
331 op->resist[j] = 100; 305 op->resist[j] = 100;
332 if (op->resist[j] < -100) 306 if (op->resist[j] < -100)
333 op->resist[j] = -100; 307 op->resist[j] = -100;
334 } 308 }
335 } 309 }
310
336 op->materialname = lmt->name; 311 op->materialname = lmt->name;
337 /* dont make it unstackable if it doesn't need to be */ 312 /* dont make it unstackable if it doesn't need to be */
338 if (op->is_weapon () || op->is_armor ()) 313 if (op->is_weapon () || op->is_armor ())
339 { 314 {
340 op->weight = (op->weight * lmt->weight) / 100; 315 op->weight = (op->weight * lmt->weight) / 100;
341 op->value = (op->value * lmt->value) / 100; 316 op->value = (op->value * lmt->value) / 100;
342 } 317 }
343#endif
344 } 318 }
345} 319}
346 320
347/* 321/*
348 * Strip out the media tags from a String. 322 * Strip out the media tags from a String.
… …
443 * 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
444 * 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.
445 * This function will also strip all trailing non alphanumeric characters. 419 * This function will also strip all trailing non alphanumeric characters.
446 * It does not insert an oxford comma. 420 * It does not insert an oxford comma.
447 */ 421 */
448
449void 422void
450make_list_like (char *input) 423make_list_like (char *input)
451{ 424{
452 char *p, tmp[MAX_BUF]; 425 char *p, tmp[MAX_BUF];
453 int i; 426 int i;
… …
476 strcpy (input, tmp); 449 strcpy (input, tmp);
477 450
478 return; 451 return;
479} 452}
480 453
454/******************************************************************************/
455
456/* Checks a player-provided string which will become the msg property of
457 * an object for dangerous input.
458 */
459bool
460msg_is_safe (const char *msg)
461{
462 bool safe = true;
463
464 /* Trying to cheat by getting data into the object */
465 if (!strncmp (msg, "endmsg", sizeof ("endmsg") - 1)
466 || strstr (msg, "\nendmsg"))
467 safe = false;
468
469 /* Trying to make the object talk, and potentially access arbitrary code */
470 if (object::msg_has_dialogue (msg))
471 safe = false;
472
473 return safe;
474}
475
481///////////////////////////////////////////////////////////////////////////// 476/////////////////////////////////////////////////////////////////////////////
482 477
483void 478void
484fork_abort (const char *msg) 479fork_abort (const char *msg)
485{ 480{
486 if (!fork ()) 481 if (!fork ())
487 { 482 {
483 signal (SIGINT , SIG_IGN);
484 signal (SIGTERM, SIG_IGN);
488 signal (SIGABRT, SIG_DFL); 485 signal (SIGABRT, SIG_IGN);
486
487 signal (SIGSEGV, SIG_DFL);
488 signal (SIGBUS , SIG_DFL);
489 signal (SIGILL , SIG_DFL);
490 signal (SIGTRAP, SIG_DFL);
491
489 // try to put corefiles into a subdirectory, if existing, to allow 492 // try to put corefiles into a subdirectory, if existing, to allow
490 // an administrator to reduce the I/O load. 493 // an administrator to reduce the I/O load.
491 chdir ("cores"); 494 chdir ("cores");
495
496 // try to detach us from as many external dependencies as possible
497 // as coredumping can take time by closing all fd's.
498 {
499 struct rlimit lim;
500
501 if (getrlimit (RLIMIT_NOFILE, &lim))
502 lim.rlim_cur = 1024;
503
504 for (int i = 0; i < lim.rlim_cur; ++i)
505 close (i);
506 }
507
508 {
509 sigset_t empty;
510 sigemptyset (&empty);
511 sigprocmask (SIG_SETMASK, &empty, 0);
512 }
513
514 // try to coredump with SIGTRAP
515 kill (getpid (), SIGTRAP);
492 abort (); 516 abort ();
493 } 517 }
494 518
495 LOG (llevError, "fork abort: %s\n", msg); 519 LOG (llevError, "fork abort: %s\n", msg);
496} 520}
497 521
498void *salloc_ (int n) throw (std::bad_alloc) 522void *salloc_ (int n) throw (std::bad_alloc)
499{ 523{
500#ifdef PREFER_MALLOC
501 void *ptr = malloc (n);
502#else
503 void *ptr = g_slice_alloc (n); 524 void *ptr = g_slice_alloc (n);
504#endif
505 525
506 if (!ptr) 526 if (!ptr)
507 throw std::bad_alloc (); 527 throw std::bad_alloc ();
508 528
529 slice_alloc += n;
509 return ptr; 530 return ptr;
510} 531}
511 532
512void *salloc_ (int n, void *src) throw (std::bad_alloc) 533void *salloc_ (int n, void *src) throw (std::bad_alloc)
513{ 534{
… …
519 memset (ptr, 0, n); 540 memset (ptr, 0, n);
520 541
521 return ptr; 542 return ptr;
522} 543}
523 544
545/******************************************************************************/
546
547#if DEBUG_SALLOC
548
549#define MAGIC 0xa1b2c35543deadLL
550
551void *g_slice_alloc (unsigned long size)
552{
553 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
554 *p++ = size ^ MAGIC;
555 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
556 return (void *)p;
557}
558
559void *g_slice_alloc0 (unsigned long size)
560{
561 return memset (g_slice_alloc (size), 0, size);
562}
563
564void g_slice_free1 (unsigned long size, void *ptr)
565{
566 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
567 if (expect_true (ptr))
568 {
569 unsigned long *p = (unsigned long *)ptr;
570 unsigned long s = *--p ^ MAGIC;
571
572 if (size != (unsigned long)(*p ^ MAGIC))
573 {
574 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
575 abort ();
576 }
577
578 *p = MAGIC;
579
580 (g_slice_free1)(s + sizeof (unsigned long), p);
581 }
582}
583
584#endif
585
586/******************************************************************************/
587
588int
524void assign (char *dst, const char *src, int maxlen) 589assign (char *dst, const char *src, int maxsize)
525{ 590{
526 if (!src) 591 if (!src)
527 src = ""; 592 src = "";
528 593
529 int len = strlen (src); 594 int len = strlen (src);
530 595
531 if (len >= maxlen - 1) 596 if (len >= maxsize)
532 { 597 {
533 if (maxlen <= 4) 598 if (maxsize <= 4)
534 { 599 {
535 memset (dst, '.', maxlen - 1); 600 memset (dst, '.', maxsize - 2);
536 dst [maxlen - 1] = 0; 601 dst [maxsize - 1] = 0;
537 } 602 }
538 else 603 else
539 { 604 {
540 memcpy (dst, src, maxlen - 4); 605 memcpy (dst, src, maxsize - 4);
541 memcpy (dst + maxlen - 4, "...", 4); 606 memcpy (dst + maxsize - 4, "...", 4);
542 } 607 }
608
609 len = maxsize;
543 } 610 }
544 else 611 else
545 memcpy (dst, src, len + 1); 612 memcpy (dst, src, ++len);
546}
547 613
548const std::string 614 return len;
615}
616
617char *
618vformat (const char *format, va_list ap)
619{
620 static dynbuf_text buf; buf.clear ();
621 buf.vprintf (format, ap);
622 return buf;
623}
624
625char *
549format (const char *format, ...) 626format (const char *format, ...)
550{ 627{
551 int len;
552
553 {
554 char buf[128];
555
556 va_list ap; 628 va_list ap;
557 va_start (ap, format); 629 va_start (ap, format);
558 len = vsnprintf (buf, sizeof (buf), format, ap); 630 char *buf = vformat (format, ap);
559 va_end (ap); 631 va_end (ap);
560 632
561 assert (len >= 0); // shield againstz broken vsnprintf's
562
563 // was our static buffer short enough?
564 if (len < sizeof (buf))
565 return std::string (buf, len);
566 }
567
568 {
569 // longer, try harder
570 char *buf = salloc<char> (len + 1);
571
572 va_list ap;
573 va_start (ap, format);
574 vsnprintf (buf, len + 1, format, ap);
575 va_end (ap);
576
577 const std::string s (buf, len);
578 sfree<char> (buf, len + 1);
579
580 return buf; 633 return buf;
581 }
582} 634}
583 635
584tstamp now () 636tstamp now ()
585{ 637{
586 struct timeval tv; 638 struct timeval tv;
… …
654 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, 706 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
655 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, 707 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
656 0x2d02ef8dL 708 0x2d02ef8dL
657}; 709};
658 710
711void thread::start (void *(*start_routine)(void *), void *arg)
712{
713 pthread_attr_t attr;
659 714
715 pthread_attr_init (&attr);
716 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
717 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
718 ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
719#ifdef PTHREAD_SCOPE_PROCESS
720 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
721#endif
722
723 sigset_t fullsigset, oldsigset;
724 sigfillset (&fullsigset);
725
726 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
727
728 if (pthread_create (&id, &attr, start_routine, arg))
729 cleanup ("unable to create a new thread");
730
731 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
732}
733

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