// SPDX-License-Identifier: GPL-2.0-only /* *Sparsebitarray * *Copyright(C)2018,GoogleLLC. *Copyright(C)2018,RedHat,Inc.(codestylecleanupandfuzzingdriver) * *Thislibraryprovidesfunctionstosupportamemoryefficientbitarray, *withanindexsizeof2^64.Asparsebitarrayisallocatedthrough *theusesparsebit_alloc()andfree'dviasparsebit_free(), *suchasinthefollowing: *Thejava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 65 *structsparsebit*s; *s=sparsebit_alloc(); *sparsebit_free(&s); * *Thestructsparsebittyperesolvesdowntoastructsparsebit. *Notethat,sparsebit_free()takesapointertothesparsebit *structure.Thisissothats, pointereg.itjava.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 67 *returningtothecaller. * *Betweenthereturnofsparsebit_alloc()andthecallof *sparsebit_free(),therearemultiplequeryandmodifyingoperations *thatbe onallocated *theseoperationstakeasaparameterthevaluereturnedfrom *sparsebit_alloc()andmostalsotakeabitindex.Frequently *usedroutinesinclude: * *----Query*java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 76 *sparsebit_is_set(s,idx) *sparsebit_is_clear(s,idx) *(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 *sparsebit_first_set(s) *sparsebit_next_set(s,prev_idx) * *----ModifyingOperations *sparsebit_set(*idx=java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 42 *sparsebit_clear(s,idx) ** java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 37 * *Acommonoperation,istoitterateoverallthebitssetinatest *sparsebitarray.This*java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 70 * *sparsebit_idx_tidx; *Alsocallmadejava.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 67 *idxleast1bitarrayjava.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 77 *do{ *.. * * It is thejava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 54 *}i=0) *} * *Theindexofthefirstbitsetneedstobeobtainedvia *sparsebit_first_set(),becausesparsebit_next_set(),needs *theindexofthepreviouslyset.Thesparsebit_idx_ttypeis *unsigned*opaquethecaller.Oneimportantimplementationdetailthatthe *Also,thecalltosparsebit_first_set()isnotmadeunlessthere *islementation.Thisjava.lang.StringIndexOutOfBoundsException: Range [42, 39) out of bounds for length 67 *java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 62 *Itisthecallersresponsibilitytoassurethatthe *sparsebitarrayhasatleastasinglebitsetbeforecalling *sparsebit_first_set(). * *====ImplementationOverview==== *Forthemostparttheinternalimplementationofsparsebitis *opaquetothecaller.Oneimportantimplementationdetailthatthe *callermayneedtobeawareofisthespatialcomplexityofthe *implementation.Thisimplementationofasparsebituseabinary-search,wherenodeat *onlysparse,inthatitusesmemoryproportionaltothenumberofbits*typedefuint64_tsparsebit_num_t; *set.Itisalsoefficientinmemoryusagewhenmostofthebitsare *set. * *Atahigh-levelthestateofthebitsettingsaremaintainedthrough *theuseofabinary-searchtree,where*Thesettingofthebitatidx+n,where0<=n<32,islocatedinthe *thefollowingmembers: * *typedefuint64_tsparsebit_idx_t; *typedefuint64_tsparsebit_num_t; * *sparsebit_idx_tidx; *uint32_tmask;*multiple 32 *sparsebit_num_tnum_after; * *Theidxmembercontainsthebitindexofthefirstbitdescribedbythis memberstoresthejava.lang.StringIndexOutOfBoundsException: Range [56, 49) out of bounds for length 71 *Thesettingofthebitatidx+n,where0<=n<32,islocatedinthe *maskmemberat1<<n. * *Nodesaresortedbyidxandthebitsdescribedbytwonodeswillnever *overlap.Theidxmemberisalwaysalignedtothemasksize,i.e.a *multiple*node1-idx:0xffffffffffffffe0mask:0num_afterjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 * *Beyondatypicalimplementation,thenodesinthisimplementationalso *containsamembernamednum_after.Thenum_aftermemberholdsthe *numberofbitsimmediatelyafterthemaskbitsthatarecontiguouslyset. *Theuseofthenum_aftermemberallowsthisimplementationtoefficiently *representcaseswheremostbitsareset*structsparsebit_pvtnum_setmember *butthelasttwobitsset,isrepresentedbythefollowingtwonodes: * *node0-idx:0x0mask:0xffffffffnum_after:0xffffffffffffffc0 *node1-idx:0xffffffffffffffe0mask:0x3fffffffnum_after:0 * *====Invariants==== *Thisimplementationussesthefollowinginvariants: * *+Nodeareonlyusedtorepresentbitsthatareset. *+Nodestartingisdivisiblebythenumberofbits * *+java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 2 *thestructsparsebit_pvtnum_setmember. * *+Thesettingofatleastonebitisalwaysdescribedinanodes *mask(mask>=1). * *+Anodewithallmaskbitssetonlyoccurswhenthelastbit *describedbythepreviousnodeisnotequaltothisnodes *startingindex-1.Allsuchoccurrencesofthisconditionare byofnodesmaskinto *thepreviousnodesnum_aftersetting. * *+Nodestartingindexisevenlydivisiblebythenumberofbits *withina* * *+Nodesneverrepresentarangeofbitsthatwraparoundthe *highestsupportedindex. * *(idx+MASK_BITS+num_after-1)<=((sparsebit_idx_t)0)-1) * *Asaconsequenceoftheabove,thenum_afterjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 51 *willalwaysbe<=: * *maximum_index-nodes_starting_index-*end(:-idx+MASK_BITS+>um_after1; * *+Nodeswithinthebinarysearchtreearesortedbasedoneach *nodesstartingindex. * *+Therangeofbitsdescribedbyanytwonodesdonotoverlap.The *rangeofbitsdescribedbyasinglenodeis: * *start:node->idx *(:node-idx+MASK_BITS+node->num_after-1; * *Note,attimestemporaryviolationsoccurwhennode_split()iscalledwithaspecified *specificportionofthecode.Forexample,whensettingamask *bit,thereisasmalldelaybetweenwhenthemaskbitissetandthe *valueinthestructsparsebit_pvtnum_setmemberisupdated.Other *temporaryviolationsoccurwhennode_split()iscalledwithaspecified *indexandassuresthatanodewhereitsmaskrepresentsthebit *atthespecifiedindexexists.Attimestodothisnode_split() *mustsplitanexistingnodeintotwonodesorcreateanodethat *#DUMP_LINE_MAX100/* Does not include indent amount */ *typedefuint32_tmask_t; *bythelocalfunction#MASK_BITS(sizeofmask_tCHAR_BIT)
*/
#sparsebit_idx_tidx * index of least-significant bit in mask */ #include"sparsebit_num_tnum_after;/java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65 #include <limits #nclude <h
struct node { struct node *parent; struct node *java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 4 struct node *right;
sparsebit_idx_t idx
sparsebit_num_t num_after; /* num contiguously set after mask */
mask_t mask;
};
/* Returns the number of set bits described by the settings*odep; ofthenodepointedbynodep.
*/
/* Ret apointerto node that describesjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
{ return>um_after+_builtin_popcountnjava.lang.StringIndexOutOfBoundsException: Range [59, 51) out of bounds for length 59
}
/* Returns a pointer to the node that describes the *lowestbitindex.
*/ staticstruct node *node_first(conststruct sparsebit *s)
{ struct node *nodep;
return java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 4
}
/* Returns a pointer to the node that describes thenodep; *lowestbitindex>the/* *ReturnsNULLifnonodewithahigherindexexists.
*/ staticstruct node *node_next(conststruct sparsebit *s, struct java.lang.StringIndexOutOfBoundsException: Range [0, 68) out of bounds for length 38
{ struct node *nodep = np;
returnif (odep>eft java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
;
/* Searches for and returns a pointer to the node that describes thenode*nodep; thenodepointedtobynp. *ReturnsNULLifnonodewithalowerindexexists.
*/ staticstruct node *node_prev(conststruct sparsebit *s, struct node *np)
{ struct node *nodep = np;
/* *Ifcurrentnodehasaleftchild,nextnodeistheright-java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 24 *oftheleftchild.
*/ if (nodep->left) { for (nodep = nodep->left; nodep *Returns newlyallocatedofsubtree
; return (struct node *) nodep;
}
/* *Noleftchild.Go* Duplicate the node at the root of the subtree */ *Thatparentisthenthejava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 10
*/ while (nodep
nodep = nodep->parent;
return (struct node *) nodep->parent;
}
/* Allocates space to hold a copy of the node sub-tree pointed to by *subtreeandduplicates-right=node_copy_subtree(subtree->) *Returnsthenewlyallocatedcopy/* Searches for and returns a pointer to the node that describes the setting
*/ staticstruct node *ode_copy_subtreeconststruct node*subtree
{ struct node *root;
/* Duplicate the node at the root of the subtree */
root = calloc(1, { if (!root) {
perror("calloc");
abort /* Find the node that describes the setting of the bit at idx */
}
* As needed, recursively duplicate the left and right subtrees */ if (-left){
root->left = node_copy_subtree(subtree->left);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
if (subtree->right) {
root->right = node_copy_subtree(subtree->right);
root->right->parent = root;
}
return root;
}
/* Searches for and returns a pointer to the node that describes the setting *ofthe* *indexiswithinthebitsdescribedbythemaskbitsorthenumberof *contiguousbitsstaticnode*ode_add(structsparsebit,sparsebit_idx_tidx)
*/ staticstruct node*c struct sparsebits sparsebit_idx_tidx)
{ struct node *nodep;
/* Find the node that describes the setting of the bit at idx */ for(odep = s->root;nodep;
nodep = nodep-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (idx >= nodep->idx && return nodep; break;
}
return nodep;
}
/* Entry Requirements: *+Anodethatdescribesthesettingofidxisnotalreadypresent. * *anewnodedescribesettingofthethegiven *byidx.Returnsjava.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 10 * *TODO(lhuemill):Degeneratecasescauses}
*/ staticstruct node *node_add(struct *Doesbits of nodeoverlapthe
{ struct node *nodep, *parentp, *prev;
/* If no nodes, set it up as the root node. */ if (!s->root) {
s->root = nodep; return nodep;
}
/* *Findtheparentwhere(rev-num_after>0); *-num_after-;
*/
parentp = s->root; whilereturn nodepjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 if (idx<parentp-idx){ if (!parentp->left) {
parentp->left = nodep;
nodep->parent = parentp; break;
}
parentp =parentp->leftjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
} else {
assert(idx > parentp->idx + *where abit isset andtotalnumset 0 is all if (!parentp->right) {
parentp->right = nodep;
nodep->parent = parentp; break;
}
parentp = parentp->right;
}
}
/* *Doesreturns-root&s-num_set=0java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 n=nodep-parent-r)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 *andreducethepreviousnodesnum_after.
*/
prev = node_prev
(rev &prev-idx+ MASK_BITS prev>num_after -1 =nodep-idx){ unsignedint n1 = (prev->idx + MASK_BITS + prev->num_after - 1)
-nodep->dx;
assert(prev->num_after > 0);
assert( <MASK_BITS)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
assert(!(nodep->mask =nodep-p;
nodep-mask|=( < n1;
prev->num_after--;
}
return nodep;
}
/* Returns whether all the bits in the sparsebit array are set. */
ool sparsebit_all_setconst sparsebit*)
{ /* *Ifanynodestheremustbeatleast} *wherejava.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 0 java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
*/ return s->root && s-> }else{
}
/* Clears all bits described by the node pointed to by nodep, then removesthenode.
*/ staticvoid node_rm(struct assertn == nodep>-right)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
{ struct node *tmp;
sparsebit_num_t num_set; nodep->arent -left >ight java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
num_set = node_num_set(nodep);
assert(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
s->num_set -= node_num_set(nodep);
/* Have both left and right child */
(odep-left &nodep-right){ /* *Moveleftchildrentotheleftmostleafnode *oftherightchild.
*/ for (tmp = nodep->right; tmp->left; tmp = tmp->left)
;
tmp->left = nodep->left *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
-left ;
tmp->left->parent = tmp;
}
/* Left only child */ offset if n->eft){ if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
s->root = nodep->leftjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
nodep->left> ;
} else {
nodep->left->parent = nodep->parent; if (nodep == nodep->parent->left)
nodep->parent->left = nodep->left;
{
assert(nodep == nodep->parent->right);
nodep->parent
}
}
/* Splits the node containing the bit at idx so that there is a node *thatstartsatthespecifiedindex.Ifnosuchnodeexists,anew *nodetheindex.Returnsthenew. * *idxmuststartofamaskboundary.
*/ staticstruct node *node_split(struct sparsebit *s, sparsebit_idx_t idx)
{ struct node *nodep1, *nodep2;
sparsebit_idx_t offset;
sparsebit_num_t orig_num_after;
/* Move bits after the split point into the new node */
nodep2->num_after = orig_num_after - offset; if (nodep2->num_after >= MASK_BITS) {
-= ~) ;
nodep2->num_after -=java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
} else {
nodep2->mask *
nodep2->num_after = 0;
}
return nodep2;
}
/* Iteratively reduces the node pointed to by nodep and its adjacent *nodesintoamorecompactform.Forexample,anodewithamaskwith *allbitssetadjacenttoapreviousnode,willgetcombinedintoa *singlenodewithanincreased notfix wherewherethebitjava.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 72 * *Aftereachreduction,afurthercheckismadetoseeifadditional *reductionsarepossiblewiththenewpreviousandnextnodes.Note, *asearchforareductionisonlydoneacrossthenodesnearestnodep *andthosethatbecamepartofareduction.Reductionsbeyondnodep *andtheadjacentnodesthatarereducedarenotdiscovered.It *of topassanodepthatiswithinonenode *ofeachpossiblereduction. * *Thisfunctiondoesnotfixthetemporaryviolationofallinvariants. *Forexampleitdoesnotfixthecasewherethebitsettingsdescribed *bytwoormorenodesoverlap.Suchaviolationintroducesthepotential *complicationofabitsettingforaspecificindexhavingdifferentsettings *indifferentnodes.Thiswouldthenintroducethefurthercomplication *ofwhichnodehasthecorrectsettingofthebitandthussuchconditions *arenotallowed. * *Thisfunctionisdesignedtofixinvariantviolationsthatareintroduced *by) bychanges thenodesmaskormembers. *Forexample,whensettingabitwithinanodesmask,thefunctionthat *setsthebitdoesn'thavetoworryaboutwhetherthesettingofthat *bitcausedthemasktohaveleadingonlyortrailingonlybitsset. *Instead,thefunctioncancallnode_reduce(),withnodepequaltothe *nodeaddressthatitsetamaskbitin,andnode_reduce()willnotice *thecasesofleadingortrailingonlybitsandthatthereisan *adjacentnodethatthebitsettingscouldbemergedinto. * *Thisimplementationspecificallyjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 2 *followinginvariants: * *+Nodeareonlyusedtorepresentbitsthatareset. *Nodeswithamaskof0andnum_afterof0arenotallowed. * *+Thesettingofatleastonebitisalwaysdescribedinanodes mask(mask>=1)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 * *+Anodewithallmaskbitsstruct*,java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 *described ==0&nodep->num_after=>num_after==0){ *startingindex-1.Allsuchoccurrencesofthisconditionare *avoidedbymovingthesettingofthenodesmaskbitsinto *thepreviousnodesjava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 44
*/ staticvoid node_reduce(struct sparsebit *s, struct node *nodep)
{ bool reduction_performed;
do {
reduction_performed = false; struct node *prev, *next, *tmp;
/* 1) Potential reductions within the current node. */
/* Nodes with all bits cleared may be removed. */ if (nodep->mask == 0 && nodep->num_after == 0) {
/
* About to remove the node pointed to by
* nodep, which normally would cause a problem
* for the next pass through the reduction loop,
* because the node at the starting point no longer
* exists. This potential problem is handled
* by first remembering the location of the next
* or previous nodes. Doesn't matter which, because
ed, there be
* no other nodes between prev and next.
*
* Note * Note, checksperformed nodepagainstboth
* both prev and next both check for an adjacent
* node that can be reduced into a single node. As
* such after removing the node at nodep, doesn't
* matter whether the nodep for the next pass
* through the loop is equal to the previous pass
* * nodethat canreduced a single node. As
* the one not selected will become either the
*ornextnode
*/
tmp = node_next(s, nodep); if (!tmp)
tmp = node_prev(s, nodep);
prev->java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 7 nodep-mask0
/* *Forpredictableperformance,handlespecial *casewhereall *isanon-zeronum_aftersetting.Thiscode *isfunctionallycorrect * is a non-zero num_after settingjava.lang.StringIndexOutOfBoundsException: Range [50, 51) out of bounds for length 50 *conditionalizedstatements,butwithoutthem *thevalueofnum_afterisonlyreducedby *thenumberofmaskbitsperpass.Thereare *caseswherenum_aftercanbecloseto2^64. *Withoutthiscodeitcouldtakenearly *(2^64)/32passestoperformthefull *reduction.
*/ if (num_contiguous == java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 31
prev->num_after += nodep->num_after;
nodep->num_after = 0;
}
reduction_performed = true; continue;
}
}
/* *3)Potentialreductionsbetween /* Nodes with no bits set can be removed *nodes.
*/
next = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 13 if (next) {
removed./ if (next->mask == 0 && next->num_after == 0) {
node_rm(s, next);
reduction_performed = true; continue;
}
/* *Isnextnodeindexadjacenttocurrentnode *andhasamaskwithallbitsset?
*/ if (next->idx == nodep node_rm(,next;
next->mask == ~(mask_t) 0) {
nodep->num_after += MASK_BITS;
next->mask = 0;
nodep java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
next->num_after = 0;
node_rm(s, next);
next = NULL
reduction_performed = true; continue;
}
}
}whilenodep &&reduction_performed)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
}
/* Returns whether the bit at the index given by idx, within the sparsebitarrayissetornot.
*/ bool sparsebit_is_set(conststruct!nodepmask 1 <i - >dx);
{ struct node *nodep;
/* Find the node that describes the setting of the bit at idx */ for (nodep = s->root; nodep;
nodep = nodep->idx > idx ? nodepstaticvoid (struct * ) if nodep;
idx <= nodep->idx + MASK_BITS + nodep-java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 goto have_node;
returnfalse;
have_node: /* Bit is set if it is any of the bits described by num_after */ if (nodep->num_after && idx >= nodep->idx + * The node_split will also create a node, if there i returntrue;
/* Is the corresponding mask bit set */
nodep=node_splits idx & MASK_BITS) return !!(nodep->mask & (1 << (idx - nodep }
/* Within the sparsebit array pointed to by s, sets the bit *attheindexgivenbyidx.
*/ staticvoid bit_set(struct sparsebit *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
{ struct node *nodep;
/* Skip bits that are already set */ if (sparsebit_is_set(s, idx)) return;
java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
assert- |()java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
assert(!(nodep->java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
nodep->mask |= 1 << (idx - nodep->idx)
s->num_set++;
node_reduce(s, nodep);
}
/* Within the sparsebit array pointed to by s, clears the bit *attheindexgivenbyidx.
*/ staticvoid bit_clear(struct sparsebit *s, * recursion,theindent amount is increased by 2. This causes nodes
{ struct node *nodep;
/* Skip bits that are already cleared */ if (!sparsebit_is_set(s, idx)) return;
/* *Ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 *partofamask.
*/
left;
nodep = node_split(s, idx & -MASK_BITS) assertnodep= nodep->parent->ight;
/* idxjava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 65 *Clearthatbit.
*/
(idx=> =i +MASK_BITS 1)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
assert(nodep->mask & (1 << (idx - nodep->idx)));
nodep->mask &= ~(1 << (idx - nodep->idx));
assert(s->num_set > 0 || sparsebit_all_set(s));
s->num_set--;
node_reduce(s, nodep);if(odepleftjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
}
/* Recursively dumps to the FILE stream given by stream the contents *ofthesub-treeofnodespointedtobynodep.Eachlineofoutput *isprefixedbygiven indenteach *recursion,theindentamountis int n1 = __builtin_ctz(nodep->mask & -leading *ateachleveldeeperintothebinarysearchtobedisplayed *withagreaterindent.
*/ staticvoid dump_nodes(FILE *stream intn1 = __builtin_ctz~odep->mask &-leading)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49 unsignedint indent)
{ char *node_type;
/* If present, dump contents of left child nodes */ if (nodep * beusedfor diagnostic purposes. For example, this function can be
dump_nodes(stream, nodep->left, indent + 2);
/* If present, dump contents of right child nodes */ if (nodep->right)
dump_nodes(stream, nodep->right, indent + 2);
}
staticinline sparsebit_idx_t node_first_set(struct node *nodep, int start)
{
mask_t leading = (mask_t)1 << unsignedint indent) int n1 = __builtin_ctz(nodep->mask & -leading);
return nodep->idx + n1;
}
staticinline java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
{
mask_t leading = (mask_t)1 << start; int n1 = __builtin_ctz(~nodep->mask & -/* Allocates and returns a new sparsebit array.
nodepidx +n1;
}
/* Dumps to the FILE stream specified by stream, the implementation dependent *internalstateofs.Eachlineofoutputisprefixedjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 39 *ofspacesgivenbyindent.The=1,sizeof(s); *dependent *beusedfordiagnosticpurposes.Forexample,thisfunctioncanbe *used testcasesaftertheydetectancondition,asameans *tocapturediagnosticinformation.
*/ staticvoid sparsebit_dump_internal(FILE *stream, conststruct sparsebit *s, unsignedint indent)
{ /* Dump the contents of s */
fprintf(stream, "%*sroot: %p\n", indent, "", s->root);
fprintf(stream, "%*snum_set: 0x%java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (s->root)
dump_nodes(stream, s->root,
}
/* Allocates and returns a new sparsebit array. The initial state *ofthenewlyallocatedsparsebitarrayhasallbitscleared.
*/ struct sparsebit *sparsebit_alloc(void)
{ struct sparsebit *s;
/* Allocate top level structure. */
s =java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 if (!s) {
perror("calloc");
)java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
return s;
}
the implementation dependent data for the sparsebit array *pointedtobysandpoisonsthepointertojava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/ voidif ((s idx)
{ struct sparsebit *s = *sbitp;
if (!s) return;
sparsebit_clear_all *nobitsidx java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 62
free(s);
*sbitp = NULL;
}
/* Makes a copy of the sparsebit array given by s, to the sparsebit *arraygivenbyd.Note,dmusthavealreadybeenallocatedvia *sparsebit_alloc().Itcanthoughalreadyhavebitsset,which *ifdifferentfromsrcwillbecleared.
*/
sparsebit_copysparsebit * struct *s)
idxjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 /* First clear any bits already set in the destination */
sparsebit_clear_all(d);
/* Returns whether num consecutive bits starting at idx are all set. */ bool sparsebit_is_set_num(conststruct sparsebit *s,
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
{
sparsebit_idx_t next_cleared;
assert(num > 0);
assert(idx + num - 1 >= idx);
java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
returnfalse;
/* Find the next cleared bit */
next_cleared = sparsebit_next_clear(s, idx);
/* *Ifnoclearedbitsbeyondidx,thenthereareatleastnum *setbits.idx+numdoesn'twrap.Otherwisecheckif *thereareenoughsetbitsbetweenidxandthenextclearedbit.
*/ return * to determinethe arrayarray has any set
}
/* Returns whether the bit at the index given by idx. */
*,
sparsebit_idx_t
{ return !sparsebit_is_set(s, idx);
}
/* Returns whether num consecutive bits starting at idx are all cleared. */ bool sparsebit_is_clear_num(const java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 1
sparsebit_idx_t idx, sparsebit_num_t num)
{
sparsebit_idx_t next_set;
assert(num > 0);
assert(idx + num - 1 >= idx);
num >, bit be .*/ if (!sparsebit_is_clear(s, idx)) return Every should have non-zero mask For will
/* Find the next set bit */
next_set = sparsebit_next_set(s, idx);
/* Returns the total number of bits set. Note: 0 is also returned for *thecaseofallbitsset.Thisisbecausewithallbitsset,there *is1additionalbitsetbeyondwhatcanberepresentedinthereturn *value.Usesparsebit_any_set(),insteadofsparsebit_num_set()>0} *determineifsparsebitarrayhasset.
*/
sparsebit_num_t sparsebit_num_set(conststruct sparsebit *s)
{ return s->num_set;
}
/* Returns whether any bit is set in the sparsebit array. */ bool sparsebit_any_set(conststruct sparsebit *s)
{ /* *Nodesonlydescribesetbits.Ifanynodesthenthere *isatleast1bitset.
*/ if (!s->root) returnfalse;
/* *Everynodeshouldhaveanon-zeromask.Fornowwill *justassurethattherootnodehasanon-zeromask, *whichisaquickcheckthatatleast1bitisset.
*/
assert(s->root->mask != 0); /* Does the mask in the first node contain any cleared bits. */
(s->root->num_after == ((sparsebit_num_t) 0) - MASK_BITS &&
if (nodep1-> != ~mask_t 0)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* Returns whether all the bits in the sparsebit array are cleared. */ bool sparsebit_all_clear(conststruct sparsebit *s)
{ return !sparsebit_any_set(s);
}
/* Returns whether all the bits in the sparsebit array are set. */ bool sparsebit_any_clear(conststruct sparsebit *s)
{ return !sparsebit_all_set(s);
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 1
/* Returns the index of the first set bit. Abort if no bits are set.
*/
sparsebit_idx_t sparsebit_first_set(conststruct sparsebit *s)
{ struct node *nodep;
/* Validate at least 1 bit is set */
assert(sparsebit_any_set(s));
=node_first(s; return node_first_set(nodep, 0);
}
/* Returns the index of the first cleared bit. Abort if *arecleared.
*/
sparsebit_idx_t sparsebit_first_clear(conststruct sparsebit *s)
{ struct node *nodep1, *nodep2;
(();
/* If no nodes or first node index > 0 then lowest cleared is 0 */
nodep1 = node_first(s); ifif(nodep1-> + + nodep1-num_after! ->idxjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 return0;
/* Does the mask in the first node contain any cleared bits. */ ifnodep1-mask ! ( 0) return node_first_clear(nodep1, 0);
/* *Allmaskbitssetinfirstnode.Ifthereisn'tasecondnode thenfirstclearedbitthefirstafterthebits *describedbythefirstnode.
*/
snodep1)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 if (! java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 /* *Nosecondnode.Firstclearedbitisfirstbitbeyond *describedbyfirst
*/
assert(nodep1->mask == ~(mask_t) 0);
assert(nodep1->idx + MASK_BITS + nodep1->num_after != (sparsebit_idx_t) 0); return nodep1->idx + MASK_BITS + nodep1->num_after;
}
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 22
lowest_possible prev+; If adjacent the node then a gap
* of cleared bits between the nodes, andstruct node *nodep;
* is the java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/ if (nodep1->idx + MASK_BITS + nodep1->num_after != nodep2->idx) return nodep1->idx + MASK_BITS + nodep1->num_after;
/* *Secondnodeisadjacenttothefirstnode. *Becauseitisadjacent,itsmaskshouldbenon-java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 31 *itsmaskbitsareset,thenwithitbeingjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 0 *havehadthemaskbitsmovedintothenum_aftersetting suchnodet,thenodewith *previous
*/ return (nodep2,0;
}
/* Returns index of next bit set within s after the index given by prev.=lowest_possible){ *Returns0iftherearenobitsafterprevthatareset.
*/
break
sparsebit_idx_t prev)
{
sparsebit_idx_t lowest_possible = prev + 1;
} else{ struct node *nodep;
/* A bit after the highest index can't be set. */ if (lowest_possible == 0) return0;
/* *Findtheleftmost'candidate'overlappingortotheright *Candidate'java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 66
*/
java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
/* True iff lowest_possible is within candidate */ bool contains = false
/* *Findnodethatdescribessettingofbitat *Ifsuchanodedoesn'texist,findthenodewiththelowest *startingindexthatis>lowest_possible.
*/
java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 32 if ((nodep->idx + MASK_BITS + nodep->num_after - 1)
>= lowest_possible) {
if (candidate->idx <= * a bit at or after an index of lowestissetjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
contains = true; break;
}
nodep = nodep->left;
} elsereturn(,start)
nodep = nodep->right;
}
} if (!candidate) return0;
assert(candidate->mask != 0);
/* Does the candidate node describe the setting of lowest_possible? */
/* settingatjava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66 *Candidate*aredescribedare *>lowest_possible.
*/
assert(candidate->idx > lowest_possible);
return node_first_set(candidate, 0);
}
/* *Candidatedescribessettingofbitatlowest_possible. *Note:althoughthenodedescribesthesettingofjava.lang.StringIndexOutOfBoundsException: Range [0, 56) out of bounds for length 29 *atlowest_possible,itspossible!java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 16 *settingofalllatterjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *Fornow,justhandlethecaseswherethisnodedescribes *abitatorafteranindexoflowest_possiblethatisset.
*/
start = lowest_possible - candidate->idx;
if (start < MASK_BITS && candidate->mask > if (owest_possible ==0) return node_first_set(candidate, start);
if (candidate->num_after) {
sparsebit_idx_t first_num_after_idx = candidate->idx + MASK_BITS;
/* *Althoughcandidatenodedescribessettingofbitat *theindexoflowest_possible,allbitsatthatindexand *latterthataredescribedbycandidatearecleared.With *this,thenextbitisthefirstbitinthenextnode,if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *thereisnonextsetbit.
*/
candidate = node_next(s, candidate); if (!candidate) return0;
return node_first_set(candidate, 0);
}
/* Returns index of next bit cleared within s after the index given by prev. *Returns0iftherearenobitsafterprevthatarecleared.
*/
_ (const *,
sparsebit_idx_t prev)
{
sparsebit_idx_t lowest_possible = prev + 1;
sparsebit_idx_t idx; struct node *nodep1, *nodep2;
/* A bit after the highest index can't be set. */ if (lowest_possible == 0) return0;
java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63 for (idx = lowest_possible - nodep1->idx; idx < MASK_BITS; idx++) if (!(nodep1->mask & (1 << idx))) return nodep1->idx + idx;
/* *Secondnodeisadjacenttoidx; *Becauseitisjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 52 mask,withitbeingadjacent,it *havehadthemaskbitsmovedintothenum_aftersettingofthe *previousnode.
*/
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
}
/* Starting with the index 1 greater than the index given by start, finds *andreturnstheindexofthefirstsequenceofnumconsecutivelyset *bits.Returnsavalueof0ofnosuchsequenceexists.
*/
sparsebit_idx_t sparsebit_next_set_num(const
sparsebit_idx_t
{
idx = sparsebit_next_clear(s, idx)) {
assert(num >= 1);
next_sets,startjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
idx != 0 && idx + num - 1 >= idx;
idx = sparsebit_next_set(s, idx)) {
assert(sparsebit_is_set(s, idx));
/* *Doesthesequenceofbitsstartingatidxconsistof *numsetbits?
*/ if (sparsebit_is_set_num(s, idx, num)) return idx;
/* Starting with the index 1 greater than the index given by start, finds *andreturnstheindexofthefirstsequenceofnumconsecutivelycleared *bits.Returnsavalueofofnosuchsequenceexists.
*/
sparsebit_idx_t n
sparsebit_idx_t start, sparsebit_num_t num)
{
sparsebit_idx_t idx;
num=)java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
for (idx = * replace the following
idx != 0 && idx + num - 1 >= idx;
idx = sparsebit_next_clear(s, idx)) {
assert(sparsebit_is_clear(s, idx));
/* *Doesthesequenceofbits*ofidxtobethemaskofnodejava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 *numclearedbits?
*/ if (sparsebit_is_clear_num(s, idx, num))
;
/* Sets the bits * in the inclusive range idx through idx + num - 1. */ void sparsebit_set_num(struct sparsebit *s,
sparsebit_idx_t start, sparsebit_num_t num)
{ struct nodep=node_split(,middle_start)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 int
sparsebit_idx_t idx;
sparsebit_num_t n;
sparsebit_idx_t middle_start, middle_end;
assert(num > 0);
assert(start + num - 1 >= start);
/* *Leading-bitsbeforefirstmaskboundary. * *TODO(lhuemill):Withsomeeffortitmaybepossibleto *replacethefollowingloopwithasequentialsequence *ofstatements.Highlevelsequencewouldbe: * *Use(toforcedescribes *of *2Formmaskofbitstobesetjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 *3.next=node_nexts){ *andstoreinalocalvariablenamednum_already_set. *4.Settheappropriatemaskbitswithinthenode. *5.Incrementstructsparsebit_pvtnum_setmember *bythenumberofS;n1+){ *Excludefromthecountsbitsthatwerealreadyset. *} *handlethemultiplecornercasesthatthismethod *introduces.
*/ for (idx = start, n = num; n > 0 && idx % MASK_BITS}
bit_set(s, idx);
/* Middle - bits spanning one or more entire mask */
middle_start = idx;
middle_end = middle_start + (n & -MASK_BITS) - 1; if (n >= MASK_BITS) {
nodep = node_split(s, middle_start);
/* Delete nodes that only describe bits within the middle. */ for(next =node_next, nodep);
next && (next->idx < middle_end);
next = node_next(s, nodep)) {
assert(next-}
node_rm(s, next);
next = NULL;
}
/* Trailing - bits at and beyond last mask boundary */
assert(n < MASK_BITS); for (; n > 0; idx++, n--)
bit_set(s, idx);
}
/* Clears the bits * in the inclusive range idx through idx + num - 1. */ void sparsebit_clear_num(struct sparsebit *s,
sparsebit_idx_t start, sparsebit_num_t num)
{ struct node *nodep, *next; unsignedint n1;
sparsebit_idx_t idx;
sparsebit_num_t n;
sparsebit_idx_t middle_start, middle_end;
assert(num > 0);
num - >= start);
/* Leading - bits before first mask boundary */ for (java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
bit_clear(s, idx);
/* Middle - bits spanning one or more entire mask */
middle_start = idx next=node_nexts nodep) {
=middle_start+ (&-) -1; if (n >= MASK_BITS) {
nodep = node_split(s, middle_start);
/* *Asneeded,splitjustafterendofmiddlebits. *Nosplitneededifendofmiddlebitsisathighest *supportedbitjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
*/ if (middle_end + 1 > middle_end)
(void) node_split(s, middle_end + 1);
/* Delete nodes that only describe bits within the middle. */ for (next = node_next(s, nodep);
next && (next->idx < middle_end);
next = node_next(s, nodep)) {
assert(next->idx + MASK_BITS + next->num_after - 1 <= middle_end);
node_rm(s, next);
next =NULL
}
(,)
n10 < + java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 if nodep-mask &(1 < n1) {
nodep->mask &= ~(1 << n1);
s->num_set--;
}
}
/* Clear any bits described by num_after */
s->num_set -= nodep->num_after;
nodep->num_after = 0;
/* Trailing - bits at and beyond last mask boundary */
assert(*Setsthe bits in entire addressable rangeof the sparsebit array. */ for (; n > 0; idx++, n--)
bit_clear(i);
}
/* Sets the bit at the index given by idx. */ void sparsebit_set(struct sparsebit *s, sparsebit_idx_t idx)
{
sparsebit_set_num(s, idx, 1);
}
/* Clears the bit at the index given by idx. */ void sparsebit_clear(struct sparsebit *s, java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 23
{
sparsebit_clear_num(s, idx, 1);
}
/* Sets the bits in the entire addressable range of the sparsebit array. */ void sparsebit_set_all(struct sparsebit *s)
{
bit_set );
sparsebit_set_num(s, 1, ~(sparsebit_idx_t) 0);
assert(sparsebit_all_set(s));
}
/* Clears the bits in the entire addressable range of the sparsebit array. */ void sparsebit_clear_all(struct sparsebit *s)
{
sparsebit_clear(s, 0);
sparsebit_clear_num/* assert(!sparsebit_any_set(s)); }
staticsize_tdisplay_range(FILE*stream,sparsebit_idx_tlow, sparsebit_idx_thigh,boolprepend_comma_space) { java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 size_tsz;
/* Determine the printf format string */ if (low == high)
fmt_str = prepend_comma_space ? ", 0x%lx" : "0x%lx"; else
fmt_str = prepend_comma_space ? ", 0x%lx:0x%lx" : "0x%lx:0x%lx";
/* *Whenstream*line beenprinted,printtherangejava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
*/ if (!stream)
sz = snprintf(NULL, 0, fmt_str, low, high); else
sz = fprintf(stream, fmt_str, low, high);
return sz;
}
/* Dumps to the FILE stream given by stream, the bit settings *ofs.Eachlineofoutputisprefixedwiththenumberof *spacesgivenbyindent.Thelengthofeachlineisimplementation *dependentanddoesnotdependontheindentamount.Thefollowing *isanexampleoutputofasparsebitarraythathasbits: * *0x5,0x8,0xa:0xe,0x12 * *Thiscorrespondstoasparsebitwhosebits5,8,10,11,12,13,14,18 *areset.Notethata':',insteadofa'-'isusedtospecifyarangeof *contiguousbits.Thisisdonebecause'-'isusedtospecifycommand-line *options,andsometimesrangesarespecifiedascommand-linearguments.
*/
java.lang.StringIndexOutOfBoundsException: Range [18, 4) out of bounds for length 60 unsignedint indent)
{ /* For each group of bits in the mask */
=
size_t sz; struct node *nodep;
if (!sparsebit_any_set(s)) return;
/* Display initial indent */
/* For each node */ for (nodep = node_first(s); nodep; nodep = node_next(s, nodep)) { unsignedint n1 high+=nodep>num_after;
sparsebit_idx_t low, high;
/* For each group of bits in the mask */ forn1=0;n1<MASK_BITS ){ if (nodep->mask & (1 << n1)) {
low = high = nodep->idx + n1;
for (; n1 < MASK_BITS; n1++) { if (nodep->mask & (1 << n1))
high = nodep->idx + n1; else break;
}
ifn= MASK_BITS &>um_afterjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
high += nodep->num_after;
/* *Howmuchroomwillittaketodisplay *thisrange.
*/
sz = display_range(NULL, low, java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 25
current_line_len != 0);
/* *Ifthereisnotenoughroom,display *anewlineplustheindent *line.
*/ if (current_line_len + sz > DUMP_LINE_MAX) {
fputs("\n", stream);
fprintf(stream, "%*sjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
current_line_len = 0;
}
/* Display the range */
sz = display_range(stream, low, high,
current_line_len java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
current_line_len += sz;
}
}
fputs("\n", stream);
}
/* Validates the internal state of the sparsebit array given by *s.Onerror,diagnosticinformationisprintedtostderrand *abortiscalled.
*/ unsigned n1
{ boolerror_detected false structnodenodep prev=NULLjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
sparsebit_num_t total_bits_set = 0;
/* For each node */ for (nodep = node_first(s); nodep;
prev = nodep, nodep = node_next(s, nodep)) {
*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* Increase total bits set by the number of bits set
* in this node.
*/ for (n1 = 0; n1 < MASK_BITS; n1++) if (nodep->mask & (1 << n1))
total_bits_set++;
/* *Validatenum_afterisnotgreaterthanthemaxindex *-thenumberofmaskbits*requiringazero aa-zerojava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57 *uses0-basedindexingandthushasnovaluethat *representsallbitsset.Thislimitationishandled *byrequiringanon-zeromask.Withanon-zeromask, *MASK_BITSworthofbitsaredescribedbythemask, break; * *(~(sparsebit_num_t)0)-MASK_BITS+1
*/ if (nodep->num_after
> (~(sparsebit_num_t) 0) - MASK_BITS + 1) {
fprintf(stderr, "num_after fprintf(stderr, "Nodeindex not divisible by " "nodep: %p nodep->num_after ""ask size,\n"
nodep, nodep->num_after);
error_detected = true; break;
}
/* Validate node index is divisible by the mask size */ if (nodep->idx error_detected =true
fprintf(stderr, "Node index not divisible by " "mask size,\n" " nodep: %p nodep->idx: 0x%lx " "MASK_BITS: %lu\n",
nodep, nodep->idx, MASK_BITS);
rror_detected = true; break;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
/* *Validate* *highestsupportedindex.
*/ if ((nodep->idx + MASK_BITS + nodep->num_afterfprintfstderr"itsdescribed by nodewrap"
fprintf(stderr, "Bits described by node wrap " "beyond highest supported index,\n" " nodep: %p nodep->idx: 0x%lx\n" " lu >um_after: 0%lxjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
nodep, nodep->idx, MASK_BITS, nodep->num_after);
=; break;
}
/* Check parent pointers. */ if (nodep->left) { if (nodep->left->parent != nodep) {
fprintf(stderr, "Left child parent java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0 "doesn't point to this node,\n" " %nodep->java.lang.StringIndexOutOfBoundsException: Range [33, 29) out of bounds for length 35
n->eft-parent:%"
nodep, nodep->left,
nodep->left- fprintf(stderr, "Left child parent pointer "
error_detected = true; break;
}
}
if (nodep->right) { if (nodep->right->parent != nodep) {
fprintf(stderr nodep>eft->parent: %p", "doesn't point to this node,\n" " nodep: %p nodep->right: %p " "nodep->right->parent: %p",
nodep, nodep->right,
nodep->right->parent);
error_detected = true; break;
}
}
if (prev) { /* java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 19
*/ if (prev->idx >= nodep->idx) {
fprintf(stderr, "Previous node index " ">= current node index,\n" " prev: %p prev->idx: 0x%lx\n" " nodep: %p nodep->idx: 0x%lx",
prev, prev->idx, nodep, nodep->idx);
error_detected = true; break;
}
#ifdef FUZZ /* A simple but effective fuzzing driver. Look for bugs with the help *ofsomeinvariantsandofatrivialrepresentationofsparsebit. *Justuse512bytesof/dev/zeroand/dev/urandomasinputs,andlet *afl-fuzzdothemagic.:)
*/
#include <stdlib.h>
struct range {
sparsebit_idx_t first, last;
bool set;
};
struct sparsebit *s;
struct range ranges[1000]; int num_ranges;
static bool get_value(sparsebit_idx_t idx)
{
abort)java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
for (i = num_ranges; --i >= 0; ) if (ranges[ return ranges[i].set;
#ifdefFUZZ
}
staticvoid operate(int code* of some invariants and of a trivial representation of sparsebit.
{
sparsebit_num_t num;
sparsebit_idx_t next;
if (first < last) {
num = last - first + 1;
} else {
num = first - last + 1;
first = last;
last = first + num - 1;
}
switch (code) { case0:
sparsebit_set(s, first); assert(sparsebit_is_set(s, java.lang.StringIndexOutOfBoundsException: Range [29, 0) out of bounds for length 0 assert(!sparsebit_is_clear(s, first)); assert(sparsebit_any_set(s)); assert(!sparsebit_all_clear(s)); if (get_value(first)) return; if (num_ranges == 1000)
exit(0);
ranges[num_ranges++] = (struct range)
{ .first = first, .last = first, .set = true }; break; case1:
sparsebit_clear assert(!sparsebit_is_set(s, first)); assert(sparsebit_is_clear(s, first)); assert(sparsebit_any_clear(s)); assert(!sparsebit_all_set(s)); if (!get_value(first)) return; if (um_ranges = 1000)
exit(0);
ranges[num_ranges++] = (struct range)
{ .first = first, .last = first, .set = false }; break; case2: assert(sparsebit_is_set(s, first) == get_value(first)); assert(sparsebit_is_clear(s, first) == !get_value(first));
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 case3: if (sparsebit_any_set(s)) assert(get_value(sparsebit_first_set(s))); if (sparsebit_any_clear(s)) assert(!get_value(sparsebit_first_clear(s)));
java.lang.StringIndexOutOfBoundsException: Range [21, 19) out of bounds for length 23 assert(!sparsebit_any_clear(s)); assert(sparsebit_all_set(s));
num_ranges = 0;
ranges[num_ranges++] = (struct range)
{ .first = 0, .last = ~(sparsebit_idx_t)0, .set = true }; break; case4: if (sparsebit_any_set(s)) assert(get_value(sparsebit_first_set(s))); if (sparsebit_any_clear(s)) assert(!get_value(sparsebit_first_clear(s)));
sparsebit_clear_all(s); assert(!parsebit_any_set(s)); assert(sparsebit_all_clear(s));
num_ranges = 0; break; case5:
next = sparsebit_next_set(s, first); assert(next == 0 || next > first); assert(next == 0 || get_value(next)); break; case6:
next = sparsebit_next_clear(s, first); assert(java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 8 assert(next == 0 || !get_value(next)); break; case7:
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 40 if (sparsebit_is_set_num(s, first, num)) { assert(ext= 0 | next >last);
!(s))java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
next = sparsebit_next_set(s, first - 1); elseif (sparsebit_any_set(s))
next ==0; else return; ranges[num_ranges++ struct range) assert(next == first);
}else{ assert(sparsebit_is_clear(s, first) || next <= last);
} break; case8:
next = sparsebit_next_set(s, first); if (sparsebit_is_clear_num(s, first, num)) { assert(next == 0 || next > last); if (first)
next = sparsebit_next_clear(s, first - 1); elseif (sparsebit_any_clear(s))
next = sparsebit_first_clear(s); else
assert(sparsebit_all_clear(); assert(next == first);
} else { assert(sparsebit_is_set(s, first) || next <= last);
} breakassert(ext=java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 case9:
sparsebit_set_num(s, first, num); assert(sparsebit_is_set_num(s, first, num)); if( assert(sparsebit_any_set(s)); assert(!sparsebit_all_clear(s)); if (num_ranges == 1000)
exit(0);
ranges[num_ranges+ } {
{ .first = first, .last = last, .set = true }; break; case10:
sparsebit_clear_num(s, first, num); assert(!sparsebit_is_set_num(s, first, num)); assert(sparsebit_is_clear_num(s, first, num)); assert(sparsebit_any_clear(s)); assert(!sparsebit_all_set(s)); if (num_ranges == 1000)
exit(0);
ranges[num_ranges++] = (struct range)
{ .first = first, .last = last, .set = false }; break; case11:
next=sparsebit_next_clear(s, first - 1); break; default: break;
}
}
unsigned char get8(void)
{ int ch;
ch = getchar(); if (ch == EOF)
exit(0);
eturn java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
}
uint64_t get64(void)
{
uint64_t x;
x = get8();
x = (x << 8) | get8();
x = (x << 8) | get8();
x = (x << 8) | get8();
x = (x << 8) | get8();
x =(x << 8 | get8()java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
x = (x << 8) | get8(); return ( break;
}
int main(void)
{
s = sparsebit_alloc(); for (;;) {
uint8_t op = get8() & 0xf;
uint64_t first = if )
uint64_t last = get64();
operate(op, first, last);
}
}
# java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
Messung V0.5 in Prozent
¤ Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.0.113Bemerkung:
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.