From 71a665aa9dd2da3dd56b5daff8597e2f1645b182 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Tue, 13 Sep 2011 23:36:41 -0700 Subject: [PATCH] Namespace cleanup --- libraries/libmdb/mdb.c | 238 ++++++++++++++++++++++++------------------------- 1 file changed, 119 insertions(+), 119 deletions(-) diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c index 0f09121..772916f 100644 --- a/libraries/libmdb/mdb.c +++ b/libraries/libmdb/mdb.c @@ -801,38 +801,38 @@ struct MDB_env { /** max number of pages to commit in one writev() call */ #define MDB_COMMIT_PAGES 64 -static MDB_page *mdb_alloc_page(MDB_cursor *mc, int num); -static int mdb_touch(MDB_cursor *mc); +static MDB_page *mdb_page_alloc(MDB_cursor *mc, int num); +static int mdb_page_touch(MDB_cursor *mc); -static int mdb_search_page_root(MDB_cursor *mc, +static int mdb_page_search_root(MDB_cursor *mc, MDB_val *key, int modify); -static int mdb_search_page(MDB_cursor *mc, +static int mdb_page_search(MDB_cursor *mc, MDB_val *key, int modify); static int mdb_env_read_header(MDB_env *env, MDB_meta *meta); static int mdb_env_read_meta(MDB_env *env, int *which); static int mdb_env_write_meta(MDB_txn *txn); -static int mdb_get_page(MDB_txn *txn, pgno_t pgno, MDB_page **mp); +static int mdb_page_get(MDB_txn *txn, pgno_t pgno, MDB_page **mp); -static MDB_node *mdb_search_node(MDB_cursor *mc, MDB_val *key, int *exactp); -static int mdb_add_node(MDB_cursor *mc, indx_t indx, +static MDB_node *mdb_node_search(MDB_cursor *mc, MDB_val *key, int *exactp); +static int mdb_node_add(MDB_cursor *mc, indx_t indx, MDB_val *key, MDB_val *data, pgno_t pgno, uint8_t flags); -static void mdb_del_node(MDB_page *mp, indx_t indx, int ksize); +static void mdb_node_del(MDB_page *mp, indx_t indx, int ksize); static int mdb_del0(MDB_cursor *mc, MDB_node *leaf); -static int mdb_read_data(MDB_txn *txn, MDB_node *leaf, MDB_val *data); +static int mdb_node_read(MDB_txn *txn, MDB_node *leaf, MDB_val *data); static int mdb_rebalance(MDB_cursor *mc); static int mdb_update_key(MDB_page *mp, indx_t indx, MDB_val *key); -static int mdb_move_node(MDB_cursor *csrc, MDB_cursor *cdst); -static int mdb_merge(MDB_cursor *csrc, MDB_cursor *cdst); -static int mdb_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, +static int mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst); +static int mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst); +static int mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno); -static MDB_page *mdb_new_page(MDB_cursor *mc, uint32_t flags, int num); +static MDB_page *mdb_page_new(MDB_cursor *mc, uint32_t flags, int num); -static void cursor_pop_page(MDB_cursor *mc); -static int cursor_push_page(MDB_cursor *mc, MDB_page *mp); +static void mdb_cursor_pop(MDB_cursor *mc); +static int mdb_cursor_push(MDB_cursor *mc, MDB_page *mp); -static int mdb_sibling(MDB_cursor *mc, int move_right); +static int mdb_cursor_sibling(MDB_cursor *mc, int move_right); static int mdb_cursor_next(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op); static int mdb_cursor_prev(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op); static int mdb_cursor_set(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op, @@ -850,7 +850,7 @@ static size_t mdb_branch_size(MDB_env *env, MDB_val *key); static void mdb_default_cmp(MDB_txn *txn, MDB_dbi dbi); /** @cond */ -static MDB_cmp_func memncmp, memnrcmp, intcmp, cintcmp, longcmp; +static MDB_cmp_func mdb_cmp_memn, mdb_cmp_memnr, mdb_cmp_int, mdb_cmp_cint, mdb_cmp_long; /** @endcond */ #ifdef _WIN32 @@ -943,7 +943,7 @@ mdb_dcmp(MDB_txn *txn, MDB_dbi dbi, const MDB_val *a, const MDB_val *b) * will always be satisfied by a single contiguous chunk of memory. */ static MDB_page * -mdb_alloc_page(MDB_cursor *mc, int num) +mdb_page_alloc(MDB_cursor *mc, int num) { MDB_txn *txn = mc->mc_txn; MDB_page *np; @@ -960,7 +960,7 @@ mdb_alloc_page(MDB_cursor *mc, int num) txnid_t *kptr, oldest; mdb_cursor_init(&m2, txn, FREE_DBI, NULL); - mdb_search_page(&m2, NULL, 0); + mdb_page_search(&m2, NULL, 0); leaf = NODEPTR(m2.mc_pg[m2.mc_top], 0); kptr = (txnid_t *)NODEKEY(leaf); @@ -981,7 +981,7 @@ mdb_alloc_page(MDB_cursor *mc, int num) MDB_val data; pgno_t *idl; - mdb_read_data(txn, leaf, &data); + mdb_node_read(txn, leaf, &data); idl = (ID *) data.mv_data; mop = malloc(sizeof(MDB_oldpages) + MDB_IDL_SIZEOF(idl) - sizeof(pgno_t)); mop->mo_next = txn->mt_env->me_pghead; @@ -1063,14 +1063,14 @@ mdb_alloc_page(MDB_cursor *mc, int num) * @return 0 on success, non-zero on failure. */ static int -mdb_touch(MDB_cursor *mc) +mdb_page_touch(MDB_cursor *mc) { MDB_page *mp = mc->mc_pg[mc->mc_top]; pgno_t pgno; if (!F_ISSET(mp->mp_flags, P_DIRTY)) { MDB_page *np; - if ((np = mdb_alloc_page(mc, 1)) == NULL) + if ((np = mdb_page_alloc(mc, 1)) == NULL) return ENOMEM; DPRINTF("touched db %u page %zu -> %zu", mc->mc_dbi, mp->mp_pgno, np->mp_pgno); assert(mp->mp_pgno != np->mp_pgno); @@ -1337,7 +1337,7 @@ mdb_txn_commit(MDB_txn *txn) /* should only be one record now */ if (env->me_pghead) { /* make sure first page of freeDB is touched and on freelist */ - mdb_search_page(&mc, NULL, 1); + mdb_page_search(&mc, NULL, 1); } /* save to free list */ if (!MDB_IDL_IS_ZERO(txn->mt_free_pgs)) { @@ -1347,7 +1347,7 @@ mdb_txn_commit(MDB_txn *txn) /* make sure last page of freeDB is touched and on freelist */ key.mv_size = MAXKEYSIZE+1; key.mv_data = NULL; - mdb_search_page(&mc, &key, 1); + mdb_page_search(&mc, &key, 1); mdb_midl_sort(txn->mt_free_pgs); #if DEBUG > 1 @@ -2293,7 +2293,7 @@ mdb_env_close(MDB_env *env) /* only for aligned size_t's */ static int -longcmp(const MDB_val *a, const MDB_val *b) +mdb_cmp_long(const MDB_val *a, const MDB_val *b) { return (*(size_t *)a->mv_data < *(size_t *)b->mv_data) ? -1 : *(size_t *)a->mv_data > *(size_t *)b->mv_data; @@ -2301,7 +2301,7 @@ longcmp(const MDB_val *a, const MDB_val *b) /* only for aligned ints */ static int -intcmp(const MDB_val *a, const MDB_val *b) +mdb_cmp_int(const MDB_val *a, const MDB_val *b) { return (*(unsigned int *)a->mv_data < *(unsigned int *)b->mv_data) ? -1 : *(unsigned int *)a->mv_data > *(unsigned int *)b->mv_data; @@ -2309,7 +2309,7 @@ intcmp(const MDB_val *a, const MDB_val *b) /* ints must always be the same size */ static int -cintcmp(const MDB_val *a, const MDB_val *b) +mdb_cmp_cint(const MDB_val *a, const MDB_val *b) { #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned short *u, *c; @@ -2327,7 +2327,7 @@ cintcmp(const MDB_val *a, const MDB_val *b) } static int -memncmp(const MDB_val *a, const MDB_val *b) +mdb_cmp_memn(const MDB_val *a, const MDB_val *b) { int diff; ssize_t len_diff; @@ -2345,7 +2345,7 @@ memncmp(const MDB_val *a, const MDB_val *b) } static int -memnrcmp(const MDB_val *a, const MDB_val *b) +mdb_cmp_memnr(const MDB_val *a, const MDB_val *b) { const unsigned char *p1, *p2, *p1_lim; ssize_t len_diff; @@ -2377,7 +2377,7 @@ memnrcmp(const MDB_val *a, const MDB_val *b) * If no entry larger or equal to the key is found, returns NULL. */ static MDB_node * -mdb_search_node(MDB_cursor *mc, MDB_val *key, int *exactp) +mdb_node_search(MDB_cursor *mc, MDB_val *key, int *exactp) { unsigned int i = 0, nkeys; int low, high; @@ -2401,13 +2401,13 @@ mdb_search_node(MDB_cursor *mc, MDB_val *key, int *exactp) cmp = mc->mc_dbx->md_cmp; /* Branch pages have no data, so if using integer keys, - * alignment is guaranteed. Use faster intcmp. + * alignment is guaranteed. Use faster mdb_cmp_int. */ - if (cmp == cintcmp && IS_BRANCH(mp)) { + if (cmp == mdb_cmp_cint && IS_BRANCH(mp)) { if (NODEPTR(mp, 1)->mn_ksize == sizeof(size_t)) - cmp = longcmp; + cmp = mdb_cmp_long; else - cmp = intcmp; + cmp = mdb_cmp_int; } if (IS_LEAF2(mp)) { @@ -2470,7 +2470,7 @@ mdb_search_node(MDB_cursor *mc, MDB_val *key, int *exactp) } static void -cursor_pop_page(MDB_cursor *mc) +mdb_cursor_pop(MDB_cursor *mc) { MDB_page *top; @@ -2486,7 +2486,7 @@ cursor_pop_page(MDB_cursor *mc) } static int -cursor_push_page(MDB_cursor *mc, MDB_page *mp) +mdb_cursor_push(MDB_cursor *mc, MDB_page *mp) { DPRINTF("pushing page %zu on db %u cursor %p", mp->mp_pgno, mc->mc_dbi, (void *) mc); @@ -2504,7 +2504,7 @@ cursor_push_page(MDB_cursor *mc, MDB_page *mp) } static int -mdb_get_page(MDB_txn *txn, pgno_t pgno, MDB_page **ret) +mdb_page_get(MDB_txn *txn, pgno_t pgno, MDB_page **ret) { MDB_page *p = NULL; @@ -2528,7 +2528,7 @@ mdb_get_page(MDB_txn *txn, pgno_t pgno, MDB_page **ret) } static int -mdb_search_page_root(MDB_cursor *mc, MDB_val *key, int modify) +mdb_page_search_root(MDB_cursor *mc, MDB_val *key, int modify) { MDB_page *mp = mc->mc_pg[mc->mc_top]; DKBUF; @@ -2550,7 +2550,7 @@ mdb_search_page_root(MDB_cursor *mc, MDB_val *key, int modify) i = NUMKEYS(mp)-1; } else { int exact; - node = mdb_search_node(mc, key, &exact); + node = mdb_node_search(mc, key, &exact); if (node == NULL) i = NUMKEYS(mp) - 1; else { @@ -2568,15 +2568,15 @@ mdb_search_page_root(MDB_cursor *mc, MDB_val *key, int modify) assert(i < NUMKEYS(mp)); node = NODEPTR(mp, i); - if ((rc = mdb_get_page(mc->mc_txn, NODEPGNO(node), &mp))) + if ((rc = mdb_page_get(mc->mc_txn, NODEPGNO(node), &mp))) return rc; mc->mc_ki[mc->mc_top] = i; - if ((rc = cursor_push_page(mc, mp))) + if ((rc = mdb_cursor_push(mc, mp))) return rc; if (modify) { - if ((rc = mdb_touch(mc)) != 0) + if ((rc = mdb_page_touch(mc)) != 0) return rc; mp = mc->mc_pg[mc->mc_top]; } @@ -2600,7 +2600,7 @@ mdb_search_page_root(MDB_cursor *mc, MDB_val *key, int modify) * If modify is true, visited pages are updated with new page numbers. */ static int -mdb_search_page(MDB_cursor *mc, MDB_val *key, int modify) +mdb_page_search(MDB_cursor *mc, MDB_val *key, int modify) { int rc; pgno_t root; @@ -2619,7 +2619,7 @@ mdb_search_page(MDB_cursor *mc, MDB_val *key, int modify) return MDB_NOTFOUND; } - if ((rc = mdb_get_page(mc->mc_txn, root, &mc->mc_pg[0]))) + if ((rc = mdb_page_get(mc->mc_txn, root, &mc->mc_pg[0]))) return rc; mc->mc_snum = 1; @@ -2633,23 +2633,23 @@ mdb_search_page(MDB_cursor *mc, MDB_val *key, int modify) if (mc->mc_dbi > MAIN_DBI && !mc->mc_dbx->md_dirty) { MDB_cursor mc2; mdb_cursor_init(&mc2, mc->mc_txn, MAIN_DBI, NULL); - rc = mdb_search_page(&mc2, &mc->mc_dbx->md_name, 1); + rc = mdb_page_search(&mc2, &mc->mc_dbx->md_name, 1); if (rc) return rc; mc->mc_dbx->md_dirty = 1; } if (!F_ISSET(mc->mc_pg[0]->mp_flags, P_DIRTY)) { - if ((rc = mdb_touch(mc))) + if ((rc = mdb_page_touch(mc))) return rc; mc->mc_db->md_root = mc->mc_pg[0]->mp_pgno; } } - return mdb_search_page_root(mc, key, modify); + return mdb_page_search_root(mc, key, modify); } static int -mdb_read_data(MDB_txn *txn, MDB_node *leaf, MDB_val *data) +mdb_node_read(MDB_txn *txn, MDB_node *leaf, MDB_val *data) { MDB_page *omp; /* overflow mpage */ pgno_t pgno; @@ -2665,7 +2665,7 @@ mdb_read_data(MDB_txn *txn, MDB_node *leaf, MDB_val *data) */ data->mv_size = NODEDSZ(leaf); memcpy(&pgno, NODEDATA(leaf), sizeof(pgno)); - if ((rc = mdb_get_page(txn, pgno, &omp))) { + if ((rc = mdb_page_get(txn, pgno, &omp))) { DPRINTF("read overflow page %zu failed", pgno); return rc; } @@ -2699,7 +2699,7 @@ mdb_get(MDB_txn *txn, MDB_dbi dbi, } static int -mdb_sibling(MDB_cursor *mc, int move_right) +mdb_cursor_sibling(MDB_cursor *mc, int move_right) { int rc; MDB_node *indx; @@ -2709,7 +2709,7 @@ mdb_sibling(MDB_cursor *mc, int move_right) return MDB_NOTFOUND; /* root has no siblings */ } - cursor_pop_page(mc); + mdb_cursor_pop(mc); DPRINTF("parent page is page %zu, index %u", mc->mc_pg[mc->mc_top]->mp_pgno, mc->mc_ki[mc->mc_top]); @@ -2717,7 +2717,7 @@ mdb_sibling(MDB_cursor *mc, int move_right) : (mc->mc_ki[mc->mc_top] == 0)) { DPRINTF("no more keys left, moving to %s sibling", move_right ? "right" : "left"); - if ((rc = mdb_sibling(mc, move_right)) != MDB_SUCCESS) + if ((rc = mdb_cursor_sibling(mc, move_right)) != MDB_SUCCESS) return rc; } else { if (move_right) @@ -2730,10 +2730,10 @@ mdb_sibling(MDB_cursor *mc, int move_right) assert(IS_BRANCH(mc->mc_pg[mc->mc_top])); indx = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]); - if ((rc = mdb_get_page(mc->mc_txn, NODEPGNO(indx), &mp))) + if ((rc = mdb_page_get(mc->mc_txn, NODEPGNO(indx), &mp))) return rc;; - cursor_push_page(mc, mp); + mdb_cursor_push(mc, mp); return MDB_SUCCESS; } @@ -2772,7 +2772,7 @@ mdb_cursor_next(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) if (mc->mc_ki[mc->mc_top] + 1u >= NUMKEYS(mp)) { DPUTS("=====> move to next sibling page"); - if (mdb_sibling(mc, 1) != MDB_SUCCESS) { + if (mdb_cursor_sibling(mc, 1) != MDB_SUCCESS) { mc->mc_flags |= C_EOF; return MDB_NOTFOUND; } @@ -2797,7 +2797,7 @@ mdb_cursor_next(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) mdb_xcursor_init1(mc, leaf); } if (data) { - if ((rc = mdb_read_data(mc->mc_txn, leaf, data) != MDB_SUCCESS)) + if ((rc = mdb_node_read(mc->mc_txn, leaf, data) != MDB_SUCCESS)) return rc; if (F_ISSET(leaf->mn_flags, F_DUPDATA)) { @@ -2841,7 +2841,7 @@ mdb_cursor_prev(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) if (mc->mc_ki[mc->mc_top] == 0) { DPUTS("=====> move to prev sibling page"); - if (mdb_sibling(mc, 0) != MDB_SUCCESS) { + if (mdb_cursor_sibling(mc, 0) != MDB_SUCCESS) { mc->mc_flags &= ~C_INITIALIZED; return MDB_NOTFOUND; } @@ -2869,7 +2869,7 @@ mdb_cursor_prev(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op) mdb_xcursor_init1(mc, leaf); } if (data) { - if ((rc = mdb_read_data(mc->mc_txn, leaf, data) != MDB_SUCCESS)) + if ((rc = mdb_node_read(mc->mc_txn, leaf, data) != MDB_SUCCESS)) return rc; if (F_ISSET(leaf->mn_flags, F_DUPDATA)) { @@ -2960,7 +2960,7 @@ mdb_cursor_set(MDB_cursor *mc, MDB_val *key, MDB_val *data, } } - rc = mdb_search_page(mc, key, 0); + rc = mdb_page_search(mc, key, 0); if (rc != MDB_SUCCESS) return rc; @@ -2968,7 +2968,7 @@ mdb_cursor_set(MDB_cursor *mc, MDB_val *key, MDB_val *data, assert(IS_LEAF(mp)); set2: - leaf = mdb_search_node(mc, key, exactp); + leaf = mdb_node_search(mc, key, exactp); if (exactp != NULL && !*exactp) { /* MDB_SET specified and not an exact match. */ return MDB_NOTFOUND; @@ -2976,7 +2976,7 @@ set2: if (leaf == NULL) { DPUTS("===> inexact leaf not found, goto sibling"); - if ((rc = mdb_sibling(mc, 1)) != MDB_SUCCESS) + if ((rc = mdb_cursor_sibling(mc, 1)) != MDB_SUCCESS) return rc; /* no entries matched */ mp = mc->mc_pg[mc->mc_top]; assert(IS_LEAF(mp)); @@ -3014,7 +3014,7 @@ set1: } } else if (op == MDB_GET_BOTH || op == MDB_GET_BOTH_RANGE) { MDB_val d2; - if ((rc = mdb_read_data(mc->mc_txn, leaf, &d2)) != MDB_SUCCESS) + if ((rc = mdb_node_read(mc->mc_txn, leaf, &d2)) != MDB_SUCCESS) return rc; rc = mc->mc_dbx->md_dcmp(data, &d2); if (rc) { @@ -3025,7 +3025,7 @@ set1: } else { if (mc->mc_xcursor) mc->mc_xcursor->mx_cursor.mc_flags = 0; - if ((rc = mdb_read_data(mc->mc_txn, leaf, data)) != MDB_SUCCESS) + if ((rc = mdb_node_read(mc->mc_txn, leaf, data)) != MDB_SUCCESS) return rc; } } @@ -3044,7 +3044,7 @@ mdb_cursor_first(MDB_cursor *mc, MDB_val *key, MDB_val *data) int rc; MDB_node *leaf; - rc = mdb_search_page(mc, NULL, 0); + rc = mdb_page_search(mc, NULL, 0); if (rc != MDB_SUCCESS) return rc; assert(IS_LEAF(mc->mc_pg[mc->mc_top])); @@ -3070,7 +3070,7 @@ mdb_cursor_first(MDB_cursor *mc, MDB_val *key, MDB_val *data) } else { if (mc->mc_xcursor) mc->mc_xcursor->mx_cursor.mc_flags = 0; - if ((rc = mdb_read_data(mc->mc_txn, leaf, data)) != MDB_SUCCESS) + if ((rc = mdb_node_read(mc->mc_txn, leaf, data)) != MDB_SUCCESS) return rc; } } @@ -3088,7 +3088,7 @@ mdb_cursor_last(MDB_cursor *mc, MDB_val *key, MDB_val *data) lkey.mv_size = MAXKEYSIZE+1; lkey.mv_data = NULL; - rc = mdb_search_page(mc, &lkey, 0); + rc = mdb_page_search(mc, &lkey, 0); if (rc != MDB_SUCCESS) return rc; assert(IS_LEAF(mc->mc_pg[mc->mc_top])); @@ -3114,7 +3114,7 @@ mdb_cursor_last(MDB_cursor *mc, MDB_val *key, MDB_val *data) } else { if (mc->mc_xcursor) mc->mc_xcursor->mx_cursor.mc_flags = 0; - if ((rc = mdb_read_data(mc->mc_txn, leaf, data)) != MDB_SUCCESS) + if ((rc = mdb_node_read(mc->mc_txn, leaf, data)) != MDB_SUCCESS) return rc; } } @@ -3244,14 +3244,14 @@ mdb_cursor_touch(MDB_cursor *mc) if (mc->mc_dbi > MAIN_DBI && !mc->mc_dbx->md_dirty) { MDB_cursor mc2; mdb_cursor_init(&mc2, mc->mc_txn, MAIN_DBI, NULL); - rc = mdb_search_page(&mc2, &mc->mc_dbx->md_name, 1); + rc = mdb_page_search(&mc2, &mc->mc_dbx->md_name, 1); if (rc) return rc; mc->mc_dbx->md_dirty = 1; } for (mc->mc_top = 0; mc->mc_top < mc->mc_snum; mc->mc_top++) { if (!F_ISSET(mc->mc_pg[mc->mc_top]->mp_flags, P_DIRTY)) { - rc = mdb_touch(mc); + rc = mdb_page_touch(mc); if (rc) return rc; if (!mc->mc_top) { @@ -3293,11 +3293,11 @@ mdb_cursor_put(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_page *np; /* new database, write a root leaf page */ DPUTS("allocating new root leaf page"); - if ((np = mdb_new_page(mc, P_LEAF, 1)) == NULL) { + if ((np = mdb_page_new(mc, P_LEAF, 1)) == NULL) { return ENOMEM; } mc->mc_snum = 0; - cursor_push_page(mc, np); + mdb_cursor_push(mc, np); mc->mc_db->md_root = np->mp_pgno; mc->mc_db->md_depth++; mc->mc_dbx->md_dirty = 1; @@ -3365,7 +3365,7 @@ top: memcpy(NODEDATA(leaf), &dummy, sizeof(dummy)); goto put_sub; } - mdb_del_node(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], 0); + mdb_node_del(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], 0); do_sub = 1; rdata = &xdata; xdata.mv_size = sizeof(MDB_db); @@ -3383,7 +3383,7 @@ top: memcpy(NODEDATA(leaf), data->mv_data, data->mv_size); goto done; } - mdb_del_node(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], 0); + mdb_node_del(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], 0); } else { DPRINTF("inserting key at index %i", mc->mc_ki[mc->mc_top]); } @@ -3393,10 +3393,10 @@ top: new_sub: nsize = IS_LEAF2(mc->mc_pg[mc->mc_top]) ? key->mv_size : mdb_leaf_size(mc->mc_txn->mt_env, key, rdata); if (SIZELEFT(mc->mc_pg[mc->mc_top]) < nsize) { - rc = mdb_split(mc, key, rdata, P_INVALID); + rc = mdb_page_split(mc, key, rdata, P_INVALID); } else { /* There is room already in this leaf page. */ - rc = mdb_add_node(mc, mc->mc_ki[mc->mc_top], key, rdata, 0, 0); + rc = mdb_node_add(mc, mc->mc_ki[mc->mc_top], key, rdata, 0, 0); } if (rc != MDB_SUCCESS) @@ -3474,7 +3474,7 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags) } /* add all the child DB's pages to the free list */ - rc = mdb_search_page(&mc->mc_xcursor->mx_cursor, NULL, 0); + rc = mdb_page_search(&mc->mc_xcursor->mx_cursor, NULL, 0); if (rc == MDB_SUCCESS) { MDB_node *ni; MDB_cursor *mx; @@ -3484,19 +3484,19 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags) mc->mc_db->md_entries -= mx->mc_db->md_entries; - cursor_pop_page(mx); + mdb_cursor_pop(mx); while (mx->mc_snum > 1) { for (i=0; imc_pg[mx->mc_top]); i++) { MDB_page *mp; pgno_t pg; ni = NODEPTR(mx->mc_pg[mx->mc_top], i); pg = NODEPGNO(ni); - if ((rc = mdb_get_page(mc->mc_txn, pg, &mp))) + if ((rc = mdb_page_get(mc->mc_txn, pg, &mp))) return rc; /* free it */ mdb_midl_append(mc->mc_txn->mt_free_pgs, pg); } - rc = mdb_sibling(mx, 1); + rc = mdb_cursor_sibling(mx, 1); if (rc) break; } @@ -3512,11 +3512,11 @@ mdb_cursor_del(MDB_cursor *mc, unsigned int flags) /* Allocate a page and initialize it */ static MDB_page * -mdb_new_page(MDB_cursor *mc, uint32_t flags, int num) +mdb_page_new(MDB_cursor *mc, uint32_t flags, int num) { MDB_page *np; - if ((np = mdb_alloc_page(mc, num)) == NULL) + if ((np = mdb_page_alloc(mc, num)) == NULL) return NULL; DPRINTF("allocated new mpage %zu, page size %u", np->mp_pgno, mc->mc_txn->mt_env->me_psize); @@ -3567,7 +3567,7 @@ mdb_branch_size(MDB_env *env, MDB_val *key) } static int -mdb_add_node(MDB_cursor *mc, indx_t indx, +mdb_node_add(MDB_cursor *mc, indx_t indx, MDB_val *key, MDB_val *data, pgno_t pgno, uint8_t flags) { unsigned int i; @@ -3615,7 +3615,7 @@ mdb_add_node(MDB_cursor *mc, indx_t indx, DPRINTF("data size is %zu, put on overflow page", data->mv_size); node_size += sizeof(pgno_t); - if ((ofp = mdb_new_page(mc, P_OVERFLOW, ovpages)) == NULL) + if ((ofp = mdb_page_new(mc, P_OVERFLOW, ovpages)) == NULL) return ENOMEM; DPRINTF("allocated overflow page %zu", ofp->mp_pgno); flags |= F_BIGDATA; @@ -3677,7 +3677,7 @@ mdb_add_node(MDB_cursor *mc, indx_t indx, } static void -mdb_del_node(MDB_page *mp, indx_t indx, int ksize) +mdb_node_del(MDB_page *mp, indx_t indx, int ksize) { unsigned int sz; indx_t i, j, numkeys, ptr; @@ -3758,8 +3758,8 @@ mdb_xcursor_init1(MDB_cursor *mc, MDB_node *node) mx->mx_dbx.md_name.mv_size = node->mn_ksize; mx->mx_cursor.mc_snum = 0; mx->mx_cursor.mc_flags = 0; - if (mx->mx_dbx.md_cmp == intcmp && mx->mx_db.md_pad == sizeof(size_t)) - mx->mx_dbx.md_cmp = longcmp; + if (mx->mx_dbx.md_cmp == mdb_cmp_int && mx->mx_db.md_pad == sizeof(size_t)) + mx->mx_dbx.md_cmp = mdb_cmp_long; } static void @@ -3887,7 +3887,7 @@ mdb_update_key(MDB_page *mp, indx_t indx, MDB_val *key) /* Move a node from csrc to cdst. */ static int -mdb_move_node(MDB_cursor *csrc, MDB_cursor *cdst) +mdb_node_move(MDB_cursor *csrc, MDB_cursor *cdst) { int rc; MDB_node *srcnode; @@ -3895,8 +3895,8 @@ mdb_move_node(MDB_cursor *csrc, MDB_cursor *cdst) DKBUF; /* Mark src and dst as dirty. */ - if ((rc = mdb_touch(csrc)) || - (rc = mdb_touch(cdst))) + if ((rc = mdb_page_touch(csrc)) || + (rc = mdb_page_touch(cdst))) return rc; if (IS_LEAF2(csrc->mc_pg[csrc->mc_top])) { @@ -3911,7 +3911,7 @@ mdb_move_node(MDB_cursor *csrc, MDB_cursor *cdst) unsigned int snum = csrc->mc_snum; MDB_node *s2; /* must find the lowest key below src */ - mdb_search_page_root(csrc, NULL, 0); + mdb_page_search_root(csrc, NULL, 0); s2 = NODEPTR(csrc->mc_pg[csrc->mc_top], 0); key.mv_size = NODEKSZ(s2); key.mv_data = NODEKEY(s2); @@ -3933,14 +3933,14 @@ mdb_move_node(MDB_cursor *csrc, MDB_cursor *cdst) /* Add the node to the destination page. */ - rc = mdb_add_node(cdst, cdst->mc_ki[cdst->mc_top], &key, &data, NODEPGNO(srcnode), + rc = mdb_node_add(cdst, cdst->mc_ki[cdst->mc_top], &key, &data, NODEPGNO(srcnode), srcnode->mn_flags); if (rc != MDB_SUCCESS) return rc; /* Delete the node from the source page. */ - mdb_del_node(csrc->mc_pg[csrc->mc_top], csrc->mc_ki[csrc->mc_top], key.mv_size); + mdb_node_del(csrc->mc_pg[csrc->mc_top], csrc->mc_ki[csrc->mc_top], key.mv_size); /* Update the parent separators. */ @@ -3992,7 +3992,7 @@ mdb_move_node(MDB_cursor *csrc, MDB_cursor *cdst) } static int -mdb_merge(MDB_cursor *csrc, MDB_cursor *cdst) +mdb_page_merge(MDB_cursor *csrc, MDB_cursor *cdst) { int rc; indx_t i, j; @@ -4006,7 +4006,7 @@ mdb_merge(MDB_cursor *csrc, MDB_cursor *cdst) assert(cdst->mc_snum > 1); /* Mark dst as dirty. */ - if ((rc = mdb_touch(cdst))) + if ((rc = mdb_page_touch(cdst))) return rc; /* Move all nodes from src to dst. @@ -4016,7 +4016,7 @@ mdb_merge(MDB_cursor *csrc, MDB_cursor *cdst) key.mv_size = csrc->mc_db->md_pad; key.mv_data = METADATA(csrc->mc_pg[csrc->mc_top]); for (i = 0; i < NUMKEYS(csrc->mc_pg[csrc->mc_top]); i++, j++) { - rc = mdb_add_node(cdst, j, &key, NULL, 0, 0); + rc = mdb_node_add(cdst, j, &key, NULL, 0, 0); if (rc != MDB_SUCCESS) return rc; key.mv_data = (char *)key.mv_data + key.mv_size; @@ -4029,7 +4029,7 @@ mdb_merge(MDB_cursor *csrc, MDB_cursor *cdst) key.mv_data = NODEKEY(srcnode); data.mv_size = NODEDSZ(srcnode); data.mv_data = NODEDATA(srcnode); - rc = mdb_add_node(cdst, j, &key, &data, NODEPGNO(srcnode), srcnode->mn_flags); + rc = mdb_node_add(cdst, j, &key, &data, NODEPGNO(srcnode), srcnode->mn_flags); if (rc != MDB_SUCCESS) return rc; } @@ -4040,7 +4040,7 @@ mdb_merge(MDB_cursor *csrc, MDB_cursor *cdst) /* Unlink the src page from parent and add to free list. */ - mdb_del_node(csrc->mc_pg[csrc->mc_top-1], csrc->mc_ki[csrc->mc_top-1], 0); + mdb_node_del(csrc->mc_pg[csrc->mc_top-1], csrc->mc_ki[csrc->mc_top-1], 0); if (csrc->mc_ki[csrc->mc_top-1] == 0) { key.mv_size = 0; if ((rc = mdb_update_key(csrc->mc_pg[csrc->mc_top-1], 0, &key)) != MDB_SUCCESS) @@ -4052,7 +4052,7 @@ mdb_merge(MDB_cursor *csrc, MDB_cursor *cdst) csrc->mc_db->md_leaf_pages--; else csrc->mc_db->md_branch_pages--; - cursor_pop_page(csrc); + mdb_cursor_pop(csrc); return mdb_rebalance(csrc); } @@ -4106,7 +4106,7 @@ mdb_rebalance(MDB_cursor *mc) DPUTS("collapsing root page!"); mdb_midl_append(mc->mc_txn->mt_free_pgs, mc->mc_pg[mc->mc_top]->mp_pgno); mc->mc_db->md_root = NODEPGNO(NODEPTR(mc->mc_pg[mc->mc_top], 0)); - if ((rc = mdb_get_page(mc->mc_txn, mc->mc_db->md_root, + if ((rc = mdb_page_get(mc->mc_txn, mc->mc_db->md_root, &mc->mc_pg[mc->mc_top]))) return rc; mc->mc_db->md_depth--; @@ -4138,7 +4138,7 @@ mdb_rebalance(MDB_cursor *mc) DPUTS("reading right neighbor"); mn.mc_ki[ptop]++; node = NODEPTR(mc->mc_pg[ptop], mn.mc_ki[ptop]); - if ((rc = mdb_get_page(mc->mc_txn, NODEPGNO(node), &mn.mc_pg[mn.mc_top]))) + if ((rc = mdb_page_get(mc->mc_txn, NODEPGNO(node), &mn.mc_pg[mn.mc_top]))) return rc; mn.mc_ki[mn.mc_top] = 0; mc->mc_ki[mc->mc_top] = NUMKEYS(mc->mc_pg[mc->mc_top]); @@ -4148,7 +4148,7 @@ mdb_rebalance(MDB_cursor *mc) DPUTS("reading left neighbor"); mn.mc_ki[ptop]--; node = NODEPTR(mc->mc_pg[ptop], mn.mc_ki[ptop]); - if ((rc = mdb_get_page(mc->mc_txn, NODEPGNO(node), &mn.mc_pg[mn.mc_top]))) + if ((rc = mdb_page_get(mc->mc_txn, NODEPGNO(node), &mn.mc_pg[mn.mc_top]))) return rc; mn.mc_ki[mn.mc_top] = NUMKEYS(mn.mc_pg[mn.mc_top]) - 1; mc->mc_ki[mc->mc_top] = 0; @@ -4163,12 +4163,12 @@ mdb_rebalance(MDB_cursor *mc) * Otherwise we should try to merge them. */ if (PAGEFILL(mc->mc_txn->mt_env, mn.mc_pg[mn.mc_top]) >= FILL_THRESHOLD && NUMKEYS(mn.mc_pg[mn.mc_top]) >= 2) - return mdb_move_node(&mn, mc); + return mdb_node_move(&mn, mc); else { /* FIXME: if (has_enough_room()) */ if (mc->mc_ki[ptop] == 0) - return mdb_merge(&mn, mc); + return mdb_page_merge(&mn, mc); else - return mdb_merge(mc, &mn); + return mdb_page_merge(mc, &mn); } } @@ -4190,7 +4190,7 @@ mdb_del0(MDB_cursor *mc, MDB_node *leaf) pg++; } } - mdb_del_node(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], mc->mc_db->md_pad); + mdb_node_del(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top], mc->mc_db->md_pad); mc->mc_db->md_entries--; rc = mdb_rebalance(mc); if (rc != MDB_SUCCESS) @@ -4248,7 +4248,7 @@ mdb_del(MDB_txn *txn, MDB_dbi dbi, * refer to a node in the new right sibling page. */ static int -mdb_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno) +mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno) { uint8_t flags; int rc = MDB_SUCCESS, ins_new = 0; @@ -4271,7 +4271,7 @@ mdb_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno) DKEY(newkey), mc->mc_ki[mc->mc_top]); if (mc->mc_snum < 2) { - if ((pp = mdb_new_page(mc, P_BRANCH, 1)) == NULL) + if ((pp = mdb_page_new(mc, P_BRANCH, 1)) == NULL) return ENOMEM; /* shift current top to make room for new parent */ mc->mc_pg[1] = mc->mc_pg[0]; @@ -4283,7 +4283,7 @@ mdb_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno) mc->mc_db->md_depth++; /* Add left (implicit) pointer. */ - if ((rc = mdb_add_node(mc, 0, NULL, NULL, mp->mp_pgno, 0)) != MDB_SUCCESS) { + if ((rc = mdb_node_add(mc, 0, NULL, NULL, mp->mp_pgno, 0)) != MDB_SUCCESS) { /* undo the pre-push */ mc->mc_pg[0] = mc->mc_pg[1]; mc->mc_ki[0] = mc->mc_ki[1]; @@ -4300,7 +4300,7 @@ mdb_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno) } /* Create a right sibling. */ - if ((rp = mdb_new_page(mc, mp->mp_flags, 1)) == NULL) + if ((rp = mdb_page_new(mc, mp->mp_flags, 1)) == NULL) return ENOMEM; mdb_cursor_copy(mc, &mn); mn.mc_pg[mn.mc_top] = rp; @@ -4413,7 +4413,7 @@ newsep: if (SIZELEFT(mn.mc_pg[ptop]) < mdb_branch_size(mc->mc_txn->mt_env, &sepkey)) { mn.mc_snum--; mn.mc_top--; - rc = mdb_split(&mn, &sepkey, NULL, rp->mp_pgno); + rc = mdb_page_split(&mn, &sepkey, NULL, rp->mp_pgno); /* Right page might now have changed parent. * Check if left page also changed parent. @@ -4425,7 +4425,7 @@ newsep: } } else { mn.mc_top--; - rc = mdb_add_node(&mn, mn.mc_ki[ptop], &sepkey, NULL, rp->mp_pgno, 0); + rc = mdb_node_add(&mn, mn.mc_ki[ptop], &sepkey, NULL, rp->mp_pgno, 0); mn.mc_top++; } if (IS_LEAF2(rp)) { @@ -4495,7 +4495,7 @@ newsep: rkey.mv_size = 0; } - rc = mdb_add_node(mc, j, &rkey, &rdata, pgno, flags); + rc = mdb_node_add(mc, j, &rkey, &rdata, pgno, flags); } /* reset back to original page */ @@ -4610,22 +4610,22 @@ static void mdb_default_cmp(MDB_txn *txn, MDB_dbi dbi) { if (txn->mt_dbs[dbi].md_flags & MDB_REVERSEKEY) - txn->mt_dbxs[dbi].md_cmp = memnrcmp; + txn->mt_dbxs[dbi].md_cmp = mdb_cmp_memnr; else if (txn->mt_dbs[dbi].md_flags & MDB_INTEGERKEY) - txn->mt_dbxs[dbi].md_cmp = cintcmp; + txn->mt_dbxs[dbi].md_cmp = mdb_cmp_cint; else - txn->mt_dbxs[dbi].md_cmp = memncmp; + txn->mt_dbxs[dbi].md_cmp = mdb_cmp_memn; if (txn->mt_dbs[dbi].md_flags & MDB_DUPSORT) { if (txn->mt_dbs[dbi].md_flags & MDB_INTEGERDUP) { if (txn->mt_dbs[dbi].md_flags & MDB_DUPFIXED) - txn->mt_dbxs[dbi].md_dcmp = intcmp; + txn->mt_dbxs[dbi].md_dcmp = mdb_cmp_int; else - txn->mt_dbxs[dbi].md_dcmp = cintcmp; + txn->mt_dbxs[dbi].md_dcmp = mdb_cmp_cint; } else if (txn->mt_dbs[dbi].md_flags & MDB_REVERSEDUP) { - txn->mt_dbxs[dbi].md_dcmp = memnrcmp; + txn->mt_dbxs[dbi].md_dcmp = mdb_cmp_memnr; } else { - txn->mt_dbxs[dbi].md_dcmp = memncmp; + txn->mt_dbxs[dbi].md_dcmp = mdb_cmp_memn; } } else { txn->mt_dbxs[dbi].md_dcmp = NULL; -- 2.7.4