--- deliantra/server/common/utils.C 2006/08/13 17:16:01 1.1
+++ deliantra/server/common/utils.C 2008/02/01 15:54:07 1.71
@@ -1,39 +1,83 @@
/*
- * static char *rcsid_utils_c =
- * "$Id: utils.C,v 1.1 2006/08/13 17:16:01 elmex Exp $";
+ * This file is part of Deliantra, the Roguelike Realtime MMORPG.
+ *
+ * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
+ * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
+ * Copyright (©) 1992,2007 Frank Tore Johansen
+ *
+ * Deliantra is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ * The authors can be reached via e-mail to
*/
/*
- CrossFire, A Multiplayer game for X-windows
-
- Copyright (C) 2002 Mark Wedel & Crossfire Development Team
- Copyright (C) 1992 Frank Tore Johansen
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- The authors can be reached via e-mail at crossfire-devel@real-time.com
-*/
-
-/*
* General convenience functions for crossfire.
*/
+#include
+#include
+#include
+#include
+#include
+#include
+
#include
#include
#include
+#include
+
+refcnt_base::refcnt_t refcnt_dummy;
+size_t slice_alloc;
+rand_gen rndm;
+
+void
+tausworthe_random_generator::seed (uint32_t seed)
+{
+ state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
+ state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
+ state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
+ state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
+
+ for (int i = 11; --i; )
+ operator ()();
+}
+
+uint32_t
+tausworthe_random_generator::next ()
+{
+ state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U);
+ state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U);
+ state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
+ state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
+
+ return state [0] ^ state [1] ^ state [2] ^ state [3];
+}
+
+uint32_t
+tausworthe_random_generator::get_range (uint32_t num)
+{
+ return (next () * (uint64_t)num) >> 32U;
+}
+
+// return a number within (min .. max)
+int
+tausworthe_random_generator::get_range (int r_min, int r_max)
+{
+ return r_min + get_range (max (r_max - r_min + 1, 0));
+}
+
/*
* The random functions here take luck into account when rolling random
* dice or numbers. This function has less of an impact the larger the
@@ -49,82 +93,72 @@
* Generally, op should be the player/caster/hitter requesting the roll,
* not the recipient (ie, the poor slob getting hit). [garbled 20010916]
*/
+int
+random_roll (int r_min, int r_max, const object *op, int goodbad)
+{
+ int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */
-int random_roll(int min, int max, const object *op, int goodbad) {
- int omin, diff, luck, base, ran;
-
- omin = min;
- diff = max - min + 1;
- ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
-
- if (max < 1 || diff < 1) {
- LOG(llevError, "Calling random_roll with min=%d max=%d\n", min, max);
- return(min); /* avoids a float exception */
+ if (r_max < r_min)
+ {
+ LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
+ return r_min;
}
- ran = RANDOM();
-
- if (op->type != PLAYER)
- return((ran%diff)+min);
-
- luck = op->stats.luck;
- if (RANDOM()%base < MIN(10, abs(luck))) {
- /* we have a winner */
- ((luck > 0) ? (luck = 1) : (luck = -1));
- diff -= luck;
- if (diff < 1)
- return(omin); /*check again*/
- ((goodbad) ? (min += luck) : (diff));
+ if (op->type == PLAYER)
+ {
+ int luck = op->stats.luck;
- return(MAX(omin, MIN(max, (ran%diff)+min)));
+ if (rndm (base) < min (10, abs (luck)))
+ {
+ //TODO: take luck into account
+ }
}
- return((ran%diff)+min);
+
+ return rndm (r_min, r_max);
}
/*
* This is a 64 bit version of random_roll above. This is needed
* for exp loss calculations for players changing religions.
*/
+sint64
+random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
+{
+ sint64 omin = min;
+ sint64 diff = max - min + 1;
+ int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
-sint64 random_roll64(sint64 min, sint64 max, const object *op, int goodbad) {
- sint64 omin, diff, luck, ran;
- int base;
-
- omin = min;
- diff = max - min + 1;
- ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
-
- if (max < 1 || diff < 1) {
-#ifndef WIN32
- LOG(llevError, "Calling random_roll with min=%lld max=%lld\n", min, max);
-#else
- LOG(llevError, "Calling random_roll with min=%I64d max=%I64d\n", min, max);
-#endif
- return(min); /* avoids a float exception */
+ if (diff < 0)
+ {
+ LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
+ return (min); /* avoids a float exception */
}
- /* Don't know of a portable call to get 64 bit random values.
- * So make a call to get two 32 bit random numbers, and just to
- * a little byteshifting. Do make sure the first one is only
- * 32 bit, so we don't get skewed results
- */
- ran = (RANDOM() & 0xffffffff) | ((sint64)RANDOM() << 32);
+ /*
+ * Make a call to get two 32 bit unsigned random numbers, and just to
+ * a little bitshifting.
+ */
+ sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
- if (op->type != PLAYER)
- return((ran%diff)+min);
+ if (op->type != PLAYER)
+ return ((ran % diff) + min);
- luck = op->stats.luck;
- if (RANDOM()%base < MIN(10, abs(luck))) {
- /* we have a winner */
- ((luck > 0) ? (luck = 1) : (luck = -1));
- diff -= luck;
- if (diff < 1)
- return(omin); /*check again*/
- ((goodbad) ? (min += luck) : (diff));
+ int luck = op->stats.luck;
+
+ if (rndm (base) < MIN (10, abs (luck)))
+ {
+ /* we have a winner */
+ ((luck > 0) ? (luck = 1) : (luck = -1));
+ diff -= luck;
+ if (diff < 1)
+ return (omin); /*check again */
- return(MAX(omin, MIN(max, (ran%diff)+min)));
+ ((goodbad) ? (min += luck) : (diff));
+
+ return (MAX (omin, MIN (max, (ran % diff) + min)));
}
- return((ran%diff)+min);
+
+ return ran % diff + min;
}
/*
@@ -134,242 +168,154 @@
* not the recipient (ie, the poor slob getting hit).
* The args are num D size (ie 4d6) [garbled 20010916]
*/
+int
+die_roll (int num, int size, const object *op, int goodbad)
+{
+ int min, luck, total, i, gotlucky;
-int die_roll(int num, int size, const object *op, int goodbad) {
- int min, diff, luck, total, i, gotlucky, base, ran;
+ int diff = size;
+ min = 1;
+ luck = total = gotlucky = 0;
+ int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
- diff = size;
- min = 1;
- luck = total = gotlucky = 0;
- ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
- if (size < 2 || diff < 1) {
- LOG(llevError, "Calling die_roll with num=%d size=%d\n", num, size);
- return(num); /* avoids a float exception */
- }
-
- if (op->type == PLAYER)
- luck = op->stats.luck;
-
- for (i = 0; i < num; i++) {
- if (RANDOM()%base < MIN(10, abs(luck)) && !gotlucky) {
- /* we have a winner */
- gotlucky++;
- ((luck > 0) ? (luck = 1) : (luck = -1));
- diff -= luck;
- if (diff < 1)
- return(num); /*check again*/
- ((goodbad) ? (min += luck) : (diff));
- ran = RANDOM();
- total += MAX(1, MIN(size, (ran%diff)+min));
- } else {
- total += RANDOM()%size+1;
- }
+ if (size < 2 || diff < 1)
+ {
+ LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
+ return num; /* avoids a float exception */
}
- return(total);
-}
-/*
- * Another convenience function. Returns a number between min and max.
- * It is suggested one use these functions rather than RANDOM()%, as it
- * would appear that a number of off-by-one-errors exist due to improper
- * use of %. This should also prevent SIGFPE.
- */
+ if (op->type == PLAYER)
+ luck = op->stats.luck;
-int rndm(int min, int max)
-{
- int diff;
+ for (i = 0; i < num; i++)
+ {
+ if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
+ {
+ /* we have a winner */
+ gotlucky++;
+ ((luck > 0) ? (luck = 1) : (luck = -1));
+ diff -= luck;
+ if (diff < 1)
+ return (num); /*check again */
+ ((goodbad) ? (min += luck) : (diff));
+ total += MAX (1, MIN (size, rndm (diff) + min));
+ }
+ else
+ total += rndm (size) + 1;
+ }
- diff = max - min + 1;
- if (max < 1 || diff < 1)
- return(min);
-
- return(RANDOM()%diff+min);
-}
-
-/* decay and destroy persihable items in a map */
-
-void decay_objects(mapstruct *m)
-{
- int x, y, destroy;
- object *op, *otmp;
-
- if (m->unique)
- return;
-
- for (x=0; x < MAP_WIDTH(m); x++)
- for (y=0; y < MAP_HEIGHT(m); y++)
- for (op = get_map_ob(m, x, y); op; op = otmp) {
- destroy = 0;
- otmp = op->above;
- if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE))
- break;
- if (QUERY_FLAG(op, FLAG_IS_FLOOR) ||
- QUERY_FLAG(op, FLAG_OBJ_ORIGINAL) ||
- QUERY_FLAG(op, FLAG_OBJ_SAVE_ON_OVL) ||
- QUERY_FLAG(op, FLAG_UNIQUE) ||
- QUERY_FLAG(op, FLAG_OVERLAY_FLOOR) ||
- QUERY_FLAG(op, FLAG_UNPAID) || IS_LIVE(op))
- continue;
- /* otherwise, we decay and destroy */
- if (IS_WEAPON(op)) {
- op->stats.dam--;
- if (op->stats.dam < 0)
- destroy = 1;
- } else if (IS_ARMOR(op)) {
- op->stats.ac--;
- if (op->stats.ac < 0)
- destroy = 1;
- } else if (op->type == FOOD) {
- op->stats.food -= rndm(5,20);
- if (op->stats.food < 0)
- destroy = 1;
- } else {
- if (op->material & M_PAPER || op->material & M_LEATHER ||
- op->material & M_WOOD || op->material & M_ORGANIC ||
- op->material & M_CLOTH || op->material & M_LIQUID)
- destroy = 1;
- if (op->material & M_IRON && rndm(1,5) == 1)
- destroy = 1;
- if (op->material & M_GLASS && rndm(1,2) == 1)
- destroy = 1;
- if ((op->material & M_STONE || op->material & M_ADAMANT) &&
- rndm(1,10) == 1)
- destroy = 1;
- if ((op->material & M_SOFT_METAL || op->material & M_BONE) &&
- rndm(1,3) == 1)
- destroy = 1;
- if (op->material & M_ICE && MAP_TEMP(m) > 32)
- destroy = 1;
- }
- /* adjust overall chance below */
- if (destroy && rndm(0, 1)) {
- remove_ob(op);
- free_object(op);
- }
- }
+ return total;
}
/* convert materialname to materialtype_t */
-materialtype_t *name_to_material(const char *name)
+materialtype_t *
+name_to_material (const shstr &name)
{
- materialtype_t *mt, *nmt;
+ for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
+ if (name == mt->name)
+ return mt;
- mt = NULL;
- for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt=nmt->next) {
- if (strcmp(name, nmt->name) == 0) {
- mt = nmt;
- break;
- }
- }
- return mt;
+ return 0;
}
/* when doing transmutation of objects, we have to recheck the resistances,
* as some that did not apply previously, may apply now.
*/
-
-void transmute_materialname(object *op, const object *change)
+void
+transmute_materialname (object *op, const object *change)
{
- materialtype_t *mt;
- int j;
+ materialtype_t *mt;
+ int j;
- if (op->materialname == NULL)
- return;
+ if (op->materialname == NULL)
+ return;
+
+ if (change->materialname != NULL && strcmp (op->materialname, change->materialname))
+ return;
+
+ if (!op->is_armor ())
+ return;
- if (change->materialname != NULL &&
- strcmp(op->materialname, change->materialname))
- return;
-
- if (!IS_ARMOR(op))
- return;
-
- mt = name_to_material(op->materialname);
- if (!mt) {
- LOG(llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", op->arch->name, op->name, op->materialname);
- return;
- }
-
- for (j=0; j < NROFATTACKS; j++)
- if (op->resist[j] == 0 && change->resist[j] != 0) {
- op->resist[j] += mt->mod[j];
- if (op->resist[j] > 100)
- op->resist[j] = 100;
- if (op->resist[j] < -100)
- op->resist[j] = -100;
- }
+ mt = name_to_material (op->materialname);
+ if (!mt)
+ {
+ LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
+ return;
+ }
+
+ for (j = 0; j < NROFATTACKS; j++)
+ if (op->resist[j] == 0 && change->resist[j] != 0)
+ {
+ op->resist[j] += mt->mod[j];
+ if (op->resist[j] > 100)
+ op->resist[j] = 100;
+ if (op->resist[j] < -100)
+ op->resist[j] = -100;
+ }
}
/* set the materialname and type for an item */
-void set_materialname(object *op, int difficulty, materialtype_t *nmt)
+void
+set_materialname (object *op, int difficulty, materialtype_t *nmt)
{
- materialtype_t *mt, *lmt;
- int j;
+ materialtype_t *mt, *lmt;
- if (op->materialname != NULL)
- return;
-
-
-
- if (nmt == NULL) {
- lmt = NULL;
-#ifndef NEW_MATERIAL_CODE
- for (mt = materialt; mt != NULL && mt->next != NULL; mt=mt->next) {
- if (op->material & mt->material) {
- lmt = mt;
- break;
- }
- }
+ if (op->materialname != NULL)
+ return;
-#else
- for (mt = materialt; mt != NULL && mt->next != NULL; mt=mt->next) {
- if (op->material & mt->material && rndm(1, 100) <= mt->chance &&
- difficulty >= mt->difficulty &&
- (op->magic >= mt->magic || mt->magic == 0)) {
- lmt = mt;
- if (!(IS_WEAPON(op) || IS_ARMOR(op)))
- break;
- }
- }
-#endif
- } else {
- lmt = nmt;
- }
+ if (nmt == NULL)
+ {
+ lmt = NULL;
+
+ for (mt = materialt; mt && mt->next; mt = mt->next)
+ if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
+ difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
+ {
+ lmt = mt;
+ if (!(op->is_weapon () || op->is_armor ()))
+ break;
+ }
+ }
+ else
+ lmt = nmt;
+
+ if (lmt != NULL)
+ {
+ if (op->stats.dam && op->is_weapon ())
+ {
+ op->stats.dam += lmt->damage;
+ if (op->stats.dam < 1)
+ op->stats.dam = 1;
+ }
- if (lmt != NULL) {
-#ifndef NEW_MATERIAL_CODE
- op->materialname = add_string(lmt->name);
- return;
-#else
+ if (op->stats.sp && op->type == BOW)
+ op->stats.sp += lmt->sp;
+ if (op->stats.wc && op->is_weapon ())
+ op->stats.wc += lmt->wc;
+ if (op->is_armor ())
+ {
+ if (op->stats.ac)
+ op->stats.ac += lmt->ac;
+
+ for (int j = 0; j < NROFATTACKS; j++)
+ if (op->resist[j] != 0)
+ {
+ op->resist[j] += lmt->mod[j];
+ if (op->resist[j] > 100)
+ op->resist[j] = 100;
+ if (op->resist[j] < -100)
+ op->resist[j] = -100;
+ }
+ }
- if (op->stats.dam && IS_WEAPON(op)) {
- op->stats.dam += lmt->damage;
- if (op->stats.dam < 1)
- op->stats.dam = 1;
- }
- if (op->stats.sp && op->type == BOW)
- op->stats.sp += lmt->sp;
- if (op->stats.wc && IS_WEAPON(op))
- op->stats.wc += lmt->wc;
- if (IS_ARMOR(op)) {
- if (op->stats.ac)
- op->stats.ac += lmt->ac;
- for (j=0; j < NROFATTACKS; j++)
- if (op->resist[j] != 0) {
- op->resist[j] += lmt->mod[j];
- if (op->resist[j] > 100)
- op->resist[j] = 100;
- if (op->resist[j] < -100)
- op->resist[j] = -100;
- }
- }
- op->materialname = add_string(lmt->name);
- /* dont make it unstackable if it doesn't need to be */
- if (IS_WEAPON(op) || IS_ARMOR(op)) {
- op->weight = (op->weight * lmt->weight)/100;
- op->value = (op->value * lmt->value)/100;
- }
-#endif
+ op->materialname = lmt->name;
+ /* dont make it unstackable if it doesn't need to be */
+ if (op->is_weapon () || op->is_armor ())
+ {
+ op->weight = (op->weight * lmt->weight) / 100;
+ op->value = (op->value * lmt->value) / 100;
+ }
}
}
@@ -377,42 +323,57 @@
* Strip out the media tags from a String.
* Warning the input string will contain the result string
*/
-void strip_media_tag(char *message){
- int in_tag=0;
- char* dest;
- char* src;
- src=dest=message;
- while (*src!='\0'){
- if (*src=='['){
- in_tag=1;
- } else if (in_tag && (*src==']'))
- in_tag=0;
- else if (!in_tag){
- *dest=*src;
- dest++;
- }
- src++;
- }
- *dest='\0';
-}
-
-const char* strrstr(const char* haystack, const char* needle){
- const char* lastneedle;
- lastneedle=NULL;
- while((haystack=strstr(haystack,needle))!=NULL){
- lastneedle=haystack;
- haystack++;
+void
+strip_media_tag (char *message)
+{
+ int in_tag = 0;
+ char *dest;
+ char *src;
+
+ src = dest = message;
+ while (*src != '\0')
+ {
+ if (*src == '[')
+ {
+ in_tag = 1;
+ }
+ else if (in_tag && (*src == ']'))
+ in_tag = 0;
+ else if (!in_tag)
+ {
+ *dest = *src;
+ dest++;
+ }
+ src++;
}
- return lastneedle;
-
+ *dest = '\0';
}
+
+const char *
+strrstr (const char *haystack, const char *needle)
+{
+ const char *lastneedle;
+
+ lastneedle = NULL;
+ while ((haystack = strstr (haystack, needle)) != NULL)
+ {
+ lastneedle = haystack;
+ haystack++;
+ }
+ return lastneedle;
+
+}
+
#define EOL_SIZE (sizeof("\n")-1)
-void strip_endline(char* buf){
- if (strlen(buf) MAX_BUF-5) return;
- /* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */
-
- strncpy(tmp, input, MAX_BUF-5);
- /*trim all trailing commas, spaces etc.*/
- for (i=strlen(tmp); !isalnum(tmp[i]) && i >= 0; i--)
- tmp[i]='\0';
- strcat(tmp, ".");
-
- p=strrchr(tmp, ',');
- if (p) {
- *p='\0';
- strcpy(input, tmp);
- p++;
- strcat(input, " and");
- strcat(input, p);
- }
- else strcpy(input, tmp);
+ if (!input || strlen (input) > MAX_BUF - 5)
return;
+ /* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */
+
+ strncpy (tmp, input, MAX_BUF - 5);
+ /*trim all trailing commas, spaces etc. */
+ for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--)
+ tmp[i] = '\0';
+
+ strcat (tmp, ".");
+
+ p = strrchr (tmp, ',');
+ if (p)
+ {
+ *p = '\0';
+ strcpy (input, tmp);
+ p++;
+ strcat (input, " and");
+ strcat (input, p);
+ }
+ else
+ strcpy (input, tmp);
+
+ return;
}
+
+/////////////////////////////////////////////////////////////////////////////
+
+void
+fork_abort (const char *msg)
+{
+ if (!fork ())
+ {
+ signal (SIGABRT, SIG_DFL);
+ // try to put corefiles into a subdirectory, if existing, to allow
+ // an administrator to reduce the I/O load.
+ chdir ("cores");
+ abort ();
+ }
+
+ LOG (llevError, "fork abort: %s\n", msg);
+}
+
+void *salloc_ (int n) throw (std::bad_alloc)
+{
+#ifdef PREFER_MALLOC
+ void *ptr = malloc (n);
+#else
+ slice_alloc += n;
+ void *ptr = g_slice_alloc (n);
+#endif
+
+ if (!ptr)
+ throw std::bad_alloc ();
+
+ return ptr;
+}
+
+void *salloc_ (int n, void *src) throw (std::bad_alloc)
+{
+ void *ptr = salloc_ (n);
+
+ if (src)
+ memcpy (ptr, src, n);
+ else
+ memset (ptr, 0, n);
+
+ return ptr;
+}
+
+/******************************************************************************/
+
+#ifdef DEBUG_SALLOC
+
+#define MAGIC 0xa1b2c35543deadLL
+
+void *g_slice_alloc (unsigned long size)
+{
+ unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
+ *p++ = size ^ MAGIC;
+ //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
+ return (void *)p;
+}
+
+void *g_slice_alloc0 (unsigned long size)
+{
+ return memset (g_slice_alloc (size), 0, size);
+}
+
+void g_slice_free1 (unsigned long size, void *ptr)
+{
+ if (expect_true (ptr))
+ {
+ //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
+ unsigned long *p = (unsigned long *)ptr;
+ unsigned long s = *--p ^ MAGIC;
+
+ if (size != (unsigned long)(*p ^ MAGIC))
+ LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
+
+ *p = MAGIC;
+
+ (g_slice_free1)(s + sizeof (unsigned long), p);
+ }
+}
+
+#endif
+
+/******************************************************************************/
+
+void assign (char *dst, const char *src, int maxlen)
+{
+ if (!src)
+ src = "";
+
+ int len = strlen (src);
+
+ if (len >= maxlen - 1)
+ {
+ if (maxlen <= 4)
+ {
+ memset (dst, '.', maxlen - 1);
+ dst [maxlen - 1] = 0;
+ }
+ else
+ {
+ memcpy (dst, src, maxlen - 4);
+ memcpy (dst + maxlen - 4, "...", 4);
+ }
+ }
+ else
+ memcpy (dst, src, len + 1);
+}
+
+const char *
+format (const char *format, ...)
+{
+ static dynbuf_text buf;
+
+ buf.clear ();
+
+ va_list ap;
+ va_start (ap, format);
+ buf.vprintf (format, ap);
+ va_end (ap);
+
+ return buf;
+}
+
+tstamp now ()
+{
+ struct timeval tv;
+
+ gettimeofday (&tv, 0);
+ return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
+}
+
+int
+similar_direction (int a, int b)
+{
+ if (!a || !b)
+ return 0;
+
+ int diff = (b - a) & 7;
+ return diff <= 1 || diff >= 7;
+}
+
+/* crc32 0xdebb20e3 table and supplementary functions. */
+extern const uint32_t crc_32_tab[256] =
+{
+ 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
+ 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
+ 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
+ 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
+ 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
+ 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
+ 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
+ 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
+ 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
+ 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
+ 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
+ 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
+ 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
+ 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
+ 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
+ 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
+ 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
+ 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
+ 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
+ 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
+ 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
+ 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
+ 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
+ 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
+ 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
+ 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
+ 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
+ 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
+ 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
+ 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
+ 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
+ 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
+ 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
+ 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
+ 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
+ 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
+ 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
+ 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
+ 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
+ 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
+ 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
+ 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
+ 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
+ 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
+ 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
+ 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
+ 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
+ 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
+ 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
+ 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
+ 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
+ 0x2d02ef8dL
+};
+