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openldap2.24986
0225-ITS-8625-Separate-Avlnode-and-TAvlnode-typ...
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File 0225-ITS-8625-Separate-Avlnode-and-TAvlnode-types.patch of Package openldap2.24986
From 60e0f25d7c0b09023118577acb973d664c8469b0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Kuzn=C3=ADk?= <ondra@mistotebe.net> Date: Tue, 28 Mar 2017 15:32:27 +0100 Subject: [PATCH 225/230] ITS#8625 Separate Avlnode and TAvlnode types Switch AVL_CHILD/AVL_THREAD values and set Avlnode bits to AVL_CHILD for better compatibility between avl and tavl as suggested by Howard. --- include/avl.h | 39 ++++++++++++++++----------- libraries/liblutil/avl.c | 2 ++ libraries/liblutil/tavl.c | 40 ++++++++++++++-------------- libraries/liblutil/testtavl.c | 10 +++---- servers/slapd/back-mdb/back-mdb.h | 2 +- servers/slapd/back-mdb/tools.c | 4 +-- servers/slapd/overlays/pcache.c | 6 ++--- servers/slapd/overlays/sssvlv.c | 12 ++++----- servers/slapd/overlays/translucent.c | 4 +-- 9 files changed, 64 insertions(+), 55 deletions(-) diff --git a/include/avl.h b/include/avl.h index 4c9efecb6..e811648a7 100644 --- a/include/avl.h +++ b/include/avl.h @@ -50,9 +50,16 @@ struct avlnode { #define avl_lbit avl_bits[0] #define avl_rbit avl_bits[1] -#ifdef AVL_INTERNAL +typedef struct tavlnode TAvlnode; -#define NULLAVL ((Avlnode *) NULL) +struct tavlnode { + void* avl_data; + struct tavlnode *avl_link[2]; + char avl_bits[2]; + signed char avl_bf; +}; + +#ifdef AVL_INTERNAL /* balance factor values */ #define LH (-1) @@ -62,8 +69,8 @@ struct avlnode { #define avl_bf2str(bf) ((bf) == -1 ? "LH" : (bf) == 0 ? "EH" : (bf) == 1 ? "RH" : "(unknown)" ) /* thread bits */ -#define AVL_THREAD 0 -#define AVL_CHILD 1 +#define AVL_CHILD 0 +#define AVL_THREAD 1 /* avl routines */ #define avl_getone(x) ((x) == 0 ? 0 : (x)->avl_data) @@ -120,31 +127,31 @@ LDAP_AVL_F( int ) avl_prefixapply LDAP_P((Avlnode *, void*, AVL_CMP, void*, AVL_CMP, void*, int)); LDAP_AVL_F( int ) -tavl_free LDAP_P(( Avlnode *root, AVL_FREE dfree )); +tavl_free LDAP_P(( TAvlnode *root, AVL_FREE dfree )); LDAP_AVL_F( int ) -tavl_insert LDAP_P((Avlnode **, void*, AVL_CMP, AVL_DUP)); +tavl_insert LDAP_P((TAvlnode **, void*, AVL_CMP, AVL_DUP)); LDAP_AVL_F( void* ) -tavl_delete LDAP_P((Avlnode **, void*, AVL_CMP)); +tavl_delete LDAP_P((TAvlnode **, void*, AVL_CMP)); LDAP_AVL_F( void* ) -tavl_find LDAP_P((Avlnode *, const void*, AVL_CMP)); +tavl_find LDAP_P((TAvlnode *, const void*, AVL_CMP)); -LDAP_AVL_F( Avlnode* ) -tavl_find2 LDAP_P((Avlnode *, const void*, AVL_CMP)); +LDAP_AVL_F( TAvlnode* ) +tavl_find2 LDAP_P((TAvlnode *, const void*, AVL_CMP)); -LDAP_AVL_F( Avlnode* ) -tavl_find3 LDAP_P((Avlnode *, const void*, AVL_CMP, int *ret)); +LDAP_AVL_F( TAvlnode* ) +tavl_find3 LDAP_P((TAvlnode *, const void*, AVL_CMP, int *ret)); #define TAVL_DIR_LEFT 0 #define TAVL_DIR_RIGHT 1 -LDAP_AVL_F( Avlnode* ) -tavl_end LDAP_P((Avlnode *, int direction )); +LDAP_AVL_F( TAvlnode* ) +tavl_end LDAP_P((TAvlnode *, int direction)); -LDAP_AVL_F( Avlnode* ) -tavl_next LDAP_P((Avlnode *, int direction )); +LDAP_AVL_F( TAvlnode* ) +tavl_next LDAP_P((TAvlnode *, int direction)); /* apply traversal types */ #define AVL_PREORDER 1 diff --git a/libraries/liblutil/avl.c b/libraries/liblutil/avl.c index 8cd88b132..62747a2d4 100644 --- a/libraries/liblutil/avl.c +++ b/libraries/liblutil/avl.c @@ -81,6 +81,7 @@ avl_insert( Avlnode ** root, void *data, AVL_CMP fcmp, AVL_DUP fdup ) } r->avl_link[0] = r->avl_link[1] = NULL; r->avl_data = data; + r->avl_bits[0] = r->avl_bits[1] = AVL_CHILD; r->avl_bf = EH; *root = r; @@ -105,6 +106,7 @@ avl_insert( Avlnode ** root, void *data, AVL_CMP fcmp, AVL_DUP fdup ) } q->avl_link[0] = q->avl_link[1] = NULL; q->avl_data = data; + q->avl_bits[0] = q->avl_bits[1] = AVL_CHILD; q->avl_bf = EH; p->avl_link[cmp] = q; diff --git a/libraries/liblutil/tavl.c b/libraries/liblutil/tavl.c index 320ffaa26..0a9e49bc7 100644 --- a/libraries/liblutil/tavl.c +++ b/libraries/liblutil/tavl.c @@ -60,13 +60,13 @@ static const int avl_bfs[] = {LH, RH}; * NOTE: this routine may malloc memory */ int -tavl_insert( Avlnode ** root, void *data, AVL_CMP fcmp, AVL_DUP fdup ) +tavl_insert( TAvlnode ** root, void *data, AVL_CMP fcmp, AVL_DUP fdup ) { - Avlnode *t, *p, *s, *q, *r; + TAvlnode *t, *p, *s, *q, *r; int a, cmp, ncmp; if ( *root == NULL ) { - if (( r = (Avlnode *) ber_memalloc( sizeof( Avlnode ))) == NULL ) { + if (( r = (TAvlnode *) ber_memalloc( sizeof( TAvlnode ))) == NULL ) { return( -1 ); } r->avl_link[0] = r->avl_link[1] = NULL; @@ -91,7 +91,7 @@ tavl_insert( Avlnode ** root, void *data, AVL_CMP fcmp, AVL_DUP fdup ) q = avl_child( p, cmp ); if (q == NULL) { /* insert */ - if (( q = (Avlnode *) ber_memalloc( sizeof( Avlnode ))) == NULL ) { + if (( q = (TAvlnode *) ber_memalloc( sizeof( TAvlnode ))) == NULL ) { return( -1 ); } q->avl_link[cmp] = p->avl_link[cmp]; @@ -187,13 +187,13 @@ tavl_insert( Avlnode ** root, void *data, AVL_CMP fcmp, AVL_DUP fdup ) } void* -tavl_delete( Avlnode **root, void* data, AVL_CMP fcmp ) +tavl_delete( TAvlnode **root, void* data, AVL_CMP fcmp ) { - Avlnode *p, *q, *r, *top; + TAvlnode *p, *q, *r, *top; int side, side_bf, shorter, nside = -1; /* parent stack */ - Avlnode *pptr[MAX_TREE_DEPTH]; + TAvlnode *pptr[MAX_TREE_DEPTH]; unsigned char pdir[MAX_TREE_DEPTH]; int depth = 0; @@ -424,7 +424,7 @@ tavl_delete( Avlnode **root, void* data, AVL_CMP fcmp ) */ int -tavl_free( Avlnode *root, AVL_FREE dfree ) +tavl_free( TAvlnode *root, AVL_FREE dfree ) { int nleft, nright; @@ -450,15 +450,15 @@ tavl_free( Avlnode *root, AVL_FREE dfree ) */ /* - * tavl_find2 - returns Avlnode instead of data pointer. - * tavl_find3 - as above, but returns Avlnode even if no match is found. + * tavl_find2 - returns TAvlnode instead of data pointer. + * tavl_find3 - as above, but returns TAvlnode even if no match is found. * also set *ret = last comparison result, or -1 if root == NULL. */ -Avlnode * -tavl_find3( Avlnode *root, const void *data, AVL_CMP fcmp, int *ret ) +TAvlnode * +tavl_find3( TAvlnode *root, const void *data, AVL_CMP fcmp, int *ret ) { int cmp = -1, dir; - Avlnode *prev = root; + TAvlnode *prev = root; while ( root != 0 && (cmp = (*fcmp)( data, root->avl_data )) != 0 ) { prev = root; @@ -469,8 +469,8 @@ tavl_find3( Avlnode *root, const void *data, AVL_CMP fcmp, int *ret ) return root ? root : prev; } -Avlnode * -tavl_find2( Avlnode *root, const void *data, AVL_CMP fcmp ) +TAvlnode * +tavl_find2( TAvlnode *root, const void *data, AVL_CMP fcmp ) { int cmp; @@ -482,7 +482,7 @@ tavl_find2( Avlnode *root, const void *data, AVL_CMP fcmp ) } void* -tavl_find( Avlnode *root, const void* data, AVL_CMP fcmp ) +tavl_find( TAvlnode *root, const void* data, AVL_CMP fcmp ) { int cmp; @@ -495,8 +495,8 @@ tavl_find( Avlnode *root, const void* data, AVL_CMP fcmp ) } /* Return the leftmost or rightmost node in the tree */ -Avlnode * -tavl_end( Avlnode *root, int dir ) +TAvlnode * +tavl_end( TAvlnode *root, int dir ) { if ( root ) { while ( root->avl_bits[dir] == AVL_CHILD ) @@ -506,8 +506,8 @@ tavl_end( Avlnode *root, int dir ) } /* Return the next node in the given direction */ -Avlnode * -tavl_next( Avlnode *root, int dir ) +TAvlnode * +tavl_next( TAvlnode *root, int dir ) { if ( root ) { int c = root->avl_bits[dir]; diff --git a/libraries/liblutil/testtavl.c b/libraries/liblutil/testtavl.c index 8374f3ec7..9bd621c0e 100644 --- a/libraries/liblutil/testtavl.c +++ b/libraries/liblutil/testtavl.c @@ -39,14 +39,14 @@ #define AVL_INTERNAL #include "avl.h" -static void ravl_print LDAP_P(( Avlnode *root, int depth, int thread )); -static void myprint LDAP_P(( Avlnode *root )); +static void ravl_print LDAP_P(( TAvlnode *root, int depth, int thread )); +static void myprint LDAP_P(( TAvlnode *root )); static int avl_strcmp LDAP_P(( const void *s, const void *t )); int main( int argc, char **argv ) { - Avlnode *tree = NULL, *n; + TAvlnode *tree = NULL, *n; char command[ 10 ]; char name[ 80 ]; char *p; @@ -115,7 +115,7 @@ main( int argc, char **argv ) static const char bfc_array[] = "\\-/"; static const char *bfcs = bfc_array+1; -static void ravl_print( Avlnode *root, int depth, int thread ) +static void ravl_print( TAvlnode *root, int depth, int thread ) { int i; @@ -140,7 +140,7 @@ static void ravl_print( Avlnode *root, int depth, int thread ) ravl_print( root->avl_link[0], depth+1, root->avl_bits[0] == AVL_THREAD ); } -static void myprint( Avlnode *root ) +static void myprint( TAvlnode *root ) { printf( "********\n" ); diff --git a/servers/slapd/back-mdb/back-mdb.h b/servers/slapd/back-mdb/back-mdb.h index b27106977..578c7e7f3 100644 --- a/servers/slapd/back-mdb/back-mdb.h +++ b/servers/slapd/back-mdb/back-mdb.h @@ -150,7 +150,7 @@ typedef struct mdb_attrinfo { #ifdef LDAP_COMP_MATCH ComponentReference* ai_cr; /*component indexing*/ #endif - Avlnode *ai_root; /* for tools */ + TAvlnode *ai_root; /* for tools */ void *ai_flist; /* for tools */ void *ai_clist; /* for tools */ MDB_cursor *ai_cursor; /* for tools */ diff --git a/servers/slapd/back-mdb/tools.c b/servers/slapd/back-mdb/tools.c index bb56e65e0..baa3ab289 100644 --- a/servers/slapd/back-mdb/tools.c +++ b/servers/slapd/back-mdb/tools.c @@ -1208,7 +1208,7 @@ int mdb_tool_idl_add( dbi = ai->ai_dbi; for (i=0; keys[i].bv_val; i++) { itmp.kstr = keys[i]; - ic = tavl_find( (Avlnode *)ai->ai_root, &itmp, mdb_tool_idl_cmp ); + ic = tavl_find( ai->ai_root, &itmp, mdb_tool_idl_cmp ); /* No entry yet, create one */ if ( !ic ) { @@ -1230,7 +1230,7 @@ int mdb_tool_idl_add( ic->count = 0; ic->offset = 0; ic->flags = 0; - tavl_insert( (Avlnode **)&ai->ai_root, ic, mdb_tool_idl_cmp, + tavl_insert( &ai->ai_root, ic, mdb_tool_idl_cmp, avl_dup_error ); /* load existing key count here */ diff --git a/servers/slapd/overlays/pcache.c b/servers/slapd/overlays/pcache.c index 166ca48a2..36c26af58 100644 --- a/servers/slapd/overlays/pcache.c +++ b/servers/slapd/overlays/pcache.c @@ -67,7 +67,7 @@ typedef struct Query_s { struct query_template_s; typedef struct Qbase_s { - Avlnode *scopes[4]; /* threaded AVL trees of cached queries */ + TAvlnode *scopes[4]; /* threaded AVL trees of cached queries */ struct berval base; int queries; } Qbase; @@ -1274,14 +1274,14 @@ typedef struct fstack { } fstack; static CachedQuery * -find_filter( Operation *op, Avlnode *root, Filter *inputf, Filter *first ) +find_filter( Operation *op, TAvlnode *root, Filter *inputf, Filter *first ) { Filter* fs; Filter* fi; MatchingRule* mrule = NULL; int res=0, eqpass= 0; int ret, rc, dir; - Avlnode *ptr; + TAvlnode *ptr; CachedQuery cq, *qc; fstack *stack = NULL, *fsp; diff --git a/servers/slapd/overlays/sssvlv.c b/servers/slapd/overlays/sssvlv.c index dff2929a0..97d3b99f5 100644 --- a/servers/slapd/overlays/sssvlv.c +++ b/servers/slapd/overlays/sssvlv.c @@ -105,7 +105,7 @@ typedef struct sssvlv_info typedef struct sort_op { - Avlnode *so_tree; + TAvlnode *so_tree; sort_ctrl *so_ctrl; sssvlv_info *so_info; int so_paged; @@ -409,7 +409,7 @@ static void free_sort_op( Connection *conn, sort_op *so ) if ( sess_id > -1 ){ if ( so->so_tree ) { if ( so->so_paged > SLAP_CONTROL_IGNORED ) { - Avlnode *cur_node, *next_node; + TAvlnode *cur_node, *next_node; cur_node = so->so_tree; while ( cur_node ) { next_node = tavl_next( cur_node, TAVL_DIR_RIGHT ); @@ -447,7 +447,7 @@ static void send_list( SlapReply *rs, sort_op *so) { - Avlnode *cur_node, *tmp_node; + TAvlnode *cur_node, *tmp_node; vlv_ctrl *vc = op->o_controls[vlv_cid]; int i, j, dir, rc; BackendDB *be; @@ -600,8 +600,8 @@ range_err: static void send_page( Operation *op, SlapReply *rs, sort_op *so ) { - Avlnode *cur_node = so->so_tree; - Avlnode *next_node = NULL; + TAvlnode *cur_node = so->so_tree; + TAvlnode *next_node = NULL; BackendDB *be = op->o_bd; Entry *e; int rc; @@ -665,7 +665,7 @@ static void send_entry( send_list( op, rs, so ); } else { /* Get the first node to send */ - Avlnode *start_node = tavl_end(so->so_tree, TAVL_DIR_LEFT); + TAvlnode *start_node = tavl_end(so->so_tree, TAVL_DIR_LEFT); so->so_tree = start_node; if ( so->so_paged <= SLAP_CONTROL_IGNORED ) { diff --git a/servers/slapd/overlays/translucent.c b/servers/slapd/overlays/translucent.c index 959917039..372f05383 100644 --- a/servers/slapd/overlays/translucent.c +++ b/servers/slapd/overlays/translucent.c @@ -766,7 +766,7 @@ typedef struct trans_ctx { BackendDB *db; slap_overinst *on; Filter *orig; - Avlnode *list; + TAvlnode *list; int step; int slimit; AttributeName *attrs; @@ -1135,7 +1135,7 @@ static int translucent_search(Operation *op, SlapReply *rs) { /* Send out anything remaining on the list and finish */ if ( tc.step & USE_LIST ) { if ( tc.list ) { - Avlnode *av; + TAvlnode *av; av = tavl_end( tc.list, TAVL_DIR_LEFT ); while ( av ) { -- 2.30.1
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