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[openldap] / libraries / liblmdb / mtest2.c

diff --git a/libraries/liblmdb/mtest2.c b/libraries/liblmdb/mtest2.c
index 44d1de7ccd2c88ce84fb673a2a3e361bad8942b9..64b742aa4677f13091ba88f44642c6123ebb8b8d 100644 (file)
--- a/libraries/liblmdb/mtest2.c
+++ b/libraries/liblmdb/mtest2.c
@@ -1,6 +1,6 @@
 /* mtest2.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011 Howard Chu, Symas Corp.
+ * Copyright 2011-2018 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -14,12 +14,16 @@
 
 /* Just like mtest.c, but using a subDB instead of the main DB */
 
-#define _XOPEN_SOURCE 500              /* srandom(), random() */
 #include <stdio.h>
 #include <stdlib.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()))
+
 int main(int argc,char * argv[])
 {
        int i = 0, j = 0, rc;
@@ -31,87 +35,90 @@ int main(int argc,char * argv[])
        MDB_cursor *cursor;
        int count;
        int *values;
-       char sval[32];
+       char sval[32] = "";
 
-       srandom(time(NULL));
+       srand(time(NULL));
 
-       count = (random()%384) + 64;
+       count = (rand()%384) + 64;
        values = (int *)malloc(count*sizeof(int));
 
        for(i = 0;i<count;i++) {
-               values[i] = random()%1024;
+               values[i] = rand()%1024;
        }
 
-       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, "id1", MDB_CREATE, &dbi);
+       E(mdb_env_create(&env));
+       E(mdb_env_set_maxreaders(env, 1));
+       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));
+
+       E(mdb_txn_begin(env, NULL, 0, &txn));
+       E(mdb_dbi_open(txn, "id1", MDB_CREATE, &dbi));
    
        key.mv_size = sizeof(int);
        key.mv_data = sval;
-       data.mv_size = sizeof(sval);
-       data.mv_data = sval;
 
        printf("Adding %d values\n", count);
        for (i=0;i<count;i++) { 
                sprintf(sval, "%03x %d foo bar", values[i], values[i]);
-               rc = mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE);
-               if (rc) j++;
+               data.mv_size = sizeof(sval);
+               data.mv_data = sval;
+               if (RES(MDB_KEYEXIST, mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE)))
+                       j++;
        }
        if (j) printf("%d duplicates skipped\n", j);
-       rc = mdb_txn_commit(txn);
-       rc = mdb_env_stat(env, &mst);
+       E(mdb_txn_commit(txn));
+       E(mdb_env_stat(env, &mst));
 
-       rc = mdb_txn_begin(env, NULL, 1, &txn);
-       rc = mdb_cursor_open(txn, dbi, &cursor);
+       E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
+       E(mdb_cursor_open(txn, dbi, &cursor));
        while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
                printf("key: %p %.*s, data: %p %.*s\n",
                        key.mv_data,  (int) key.mv_size,  (char *) key.mv_data,
                        data.mv_data, (int) data.mv_size, (char *) data.mv_data);
        }
+       CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
        mdb_cursor_close(cursor);
        mdb_txn_abort(txn);
 
        j=0;
        key.mv_data = sval;
-       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(sval, "%03x ", values[i]);
-               rc = mdb_del(txn, dbi, &key, NULL);
-               if (rc) {
+               if (RES(MDB_NOTFOUND, mdb_del(txn, dbi, &key, NULL))) {
                        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(env, dbi);
-
        mdb_txn_abort(txn);
-       mdb_env_close(env);
 
+       mdb_dbi_close(env, dbi);
+       mdb_env_close(env);
        return 0;
 }