Fix uninit warnings, lseek usage

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index d9cac574cf39fafc922216c42682960858f02763..40b46e8b9ca4241bd6e4ee5c6725a942ce17c762 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -2206,14 +2206,14 @@ mdb_page_flush(MDB_txn *txn)
        MDB_ID2L        dl = txn->mt_u.dirty_list;
        unsigned        psize = env->me_psize;
        int                     i, pagecount = dl[0].mid, rc;
-       size_t          size, pos = 0;
+       size_t          size = 0, pos = 0;
        pgno_t          pgno;
-       MDB_page        *dp;
+       MDB_page        *dp = NULL;
 #ifdef _WIN32
        OVERLAPPED      ov;
 #else
        struct iovec iov[MDB_COMMIT_PAGES];
-       ssize_t         wpos, wsize, wres;
+       ssize_t         wpos, wsize = 0, wres;
        size_t          next_pos = 1; /* impossible pos, so pos != next_pos */
        int                     n = 0;
 #endif
@@ -2269,7 +2269,7 @@ mdb_page_flush(MDB_txn *txn)
                                if (n == 1) {
                                        wres = pwrite(env->me_fd, iov[0].iov_base, wsize, wpos);
                                } else {
-                                       if (lseek(env->me_fd, wpos, SEEK_SET) < 0) {
+                                       if (lseek(env->me_fd, wpos, SEEK_SET) == -1) {
                                                rc = ErrCode();
                                                DPRINTF("lseek: %s", strerror(rc));
                                                return rc;