ITS#8329

[openldap] / libraries / liblmdb / mtest6.c

diff --git a/libraries/liblmdb/mtest6.c b/libraries/liblmdb/mtest6.c
index 0bf26ccc45ab93bfd9e869feb9972940abd42c41..ae3c7f264ca400bf7248dfd12a22a4ccd86d039b 100644 (file)
--- a/libraries/liblmdb/mtest6.c
+++ b/libraries/liblmdb/mtest6.c
@@ -1,6 +1,6 @@
 /* mtest6.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -13,13 +13,17 @@
  */
 
 /* Tests for DB splits and merges */
-#define _XOPEN_SOURCE 500              /* srandom(), random() */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
 #include "lmdb.h"
 
+#define E(expr) CHECK((rc = (expr)) == MDB_SUCCESS, #expr)
+#define RES(err, expr) ((rc = expr) == (err) || (CHECK(!rc, #expr), 0))
+#define CHECK(test, msg) ((test) ? (void)0 : ((void)fprintf(stderr, \
+       "%s:%d: %s: %s\n", __FILE__, __LINE__, msg, mdb_strerror(rc)), abort()))
+
 char dkbuf[1024];
 
 int main(int argc,char * argv[])
@@ -27,7 +31,7 @@ int main(int argc,char * argv[])
        int i = 0, j = 0, rc;
        MDB_env *env;
        MDB_dbi dbi;
-       MDB_val key, data;
+       MDB_val key, data, sdata;
        MDB_txn *txn;
        MDB_stat mst;
        MDB_cursor *cursor;
@@ -36,94 +40,100 @@ int main(int argc,char * argv[])
        long kval;
        char *sval;
 
-       srandom(time(NULL));
+       srand(time(NULL));
+
+       E(mdb_env_create(&env));
+       E(mdb_env_set_mapsize(env, 10485760));
+       E(mdb_env_set_maxdbs(env, 4));
+       E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
 
-       rc = mdb_env_create(&env);
-       rc = mdb_env_set_mapsize(env, 10485760);
-       rc = mdb_env_set_maxdbs(env, 4);
-       rc = mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664);
-       rc = mdb_txn_begin(env, NULL, 0, &txn);
-       rc = mdb_open(txn, "id2", MDB_CREATE|MDB_INTEGERKEY, &dbi);
-       rc = mdb_cursor_open(txn, dbi, &cursor);
-       rc = mdb_stat(txn, dbi, &mst);
+       E(mdb_txn_begin(env, NULL, 0, &txn));
+       E(mdb_dbi_open(txn, "id6", MDB_CREATE|MDB_INTEGERKEY, &dbi));
+       E(mdb_cursor_open(txn, dbi, &cursor));
+       E(mdb_stat(txn, dbi, &mst));
 
        sval = calloc(1, mst.ms_psize / 4);
        key.mv_size = sizeof(long);
        key.mv_data = &kval;
-       data.mv_size = mst.ms_psize / 4 - 30;
-       data.mv_data = sval;
+       sdata.mv_size = mst.ms_psize / 4 - 30;
+       sdata.mv_data = sval;
 
        printf("Adding 12 values, should yield 3 splits\n");
        for (i=0;i<12;i++) {
                kval = i*5;
                sprintf(sval, "%08x", kval);
-               rc = mdb_cursor_put(cursor, &key, &data, MDB_NOOVERWRITE);
+               data = sdata;
+               (void)RES(MDB_KEYEXIST, mdb_cursor_put(cursor, &key, &data, MDB_NOOVERWRITE));
        }
        printf("Adding 12 more values, should yield 3 splits\n");
        for (i=0;i<12;i++) {
                kval = i*5+4;
                sprintf(sval, "%08x", kval);
-               rc = mdb_cursor_put(cursor, &key, &data, MDB_NOOVERWRITE);
+               data = sdata;
+               (void)RES(MDB_KEYEXIST, mdb_cursor_put(cursor, &key, &data, MDB_NOOVERWRITE));
        }
        printf("Adding 12 more values, should yield 3 splits\n");
        for (i=0;i<12;i++) {
                kval = i*5+1;
                sprintf(sval, "%08x", kval);
-               rc = mdb_cursor_put(cursor, &key, &data, MDB_NOOVERWRITE);
+               data = sdata;
+               (void)RES(MDB_KEYEXIST, mdb_cursor_put(cursor, &key, &data, MDB_NOOVERWRITE));
        }
-       rc = mdb_cursor_get(cursor, &key, &data, MDB_FIRST);
+       E(mdb_cursor_get(cursor, &key, &data, MDB_FIRST));
 
        do {
                printf("key: %p %s, data: %p %.*s\n",
                        key.mv_data,  mdb_dkey(&key, dkbuf),
                        data.mv_data, (int) data.mv_size, (char *) data.mv_data);
        } while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0);
+       CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
        mdb_cursor_close(cursor);
        mdb_txn_commit(txn);
 
 #if 0
        j=0;
 
-       for (i= count - 1; i > -1; i-= (random()%5)) {
+       for (i= count - 1; i > -1; i-= (rand()%5)) {
                j++;
                txn=NULL;
-               rc = mdb_txn_begin(env, NULL, 0, &txn);
+               E(mdb_txn_begin(env, NULL, 0, &txn));
                sprintf(kval, "%03x", values[i & ~0x0f]);
                sprintf(sval, "%03x %d foo bar", values[i], values[i]);
                key.mv_size = sizeof(int);
                key.mv_data = kval;
                data.mv_size = sizeof(sval);
                data.mv_data = sval;
-               rc = mdb_del(txn, dbi, &key, &data);
-               if (rc) {
+               if (RES(MDB_NOTFOUND, mdb_del(txn, dbi, &key, &data))) {
                        j--;
                        mdb_txn_abort(txn);
                } else {
-                       rc = mdb_txn_commit(txn);
+                       E(mdb_txn_commit(txn));
                }
        }
        free(values);
        printf("Deleted %d values\n", j);
 
-       rc = mdb_env_stat(env, &mst);
-       rc = mdb_txn_begin(env, NULL, 1, &txn);
-       rc = mdb_cursor_open(txn, dbi, &cursor);
+       E(mdb_env_stat(env, &mst));
+       E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
+       E(mdb_cursor_open(txn, dbi, &cursor));
        printf("Cursor next\n");
        while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
                printf("key: %.*s, data: %.*s\n",
                        (int) key.mv_size,  (char *) key.mv_data,
                        (int) data.mv_size, (char *) data.mv_data);
        }
+       CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
        printf("Cursor prev\n");
        while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV)) == 0) {
                printf("key: %.*s, data: %.*s\n",
                        (int) key.mv_size,  (char *) key.mv_data,
                        (int) data.mv_size, (char *) data.mv_data);
        }
+       CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
        mdb_cursor_close(cursor);
-       mdb_close(txn, dbi);
-
        mdb_txn_abort(txn);
+
+       mdb_dbi_close(env, dbi);
 #endif
        mdb_env_close(env);