From b4206cfb45d28204f0a3dc3747dda794dd414652 Mon Sep 17 00:00:00 2001
From: Muneer <elendilm@gmail.com>
Date: Wed, 2 Jun 2021 04:45:58 +0530
Subject: [PATCH] feat(lmdb): add u64 as mapsize arg

---
 liblmdb-sys/src/lib.rs | 4 ++--
 src/core.rs            | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/liblmdb-sys/src/lib.rs b/liblmdb-sys/src/lib.rs
index 3616eac7..3790d2e1 100755
--- a/liblmdb-sys/src/lib.rs
+++ b/liblmdb-sys/src/lib.rs
@@ -63,7 +63,7 @@ pub struct MDB_stat {
 #[allow(missing_copy_implementations)]
 pub struct MDB_envinfo {
     pub me_mapaddr: *const c_void,
-    pub me_mapsize: size_t,
+    pub me_mapsize: u64,
     pub me_last_pgno: size_t,
     pub me_last_txnid: size_t,
     pub me_maxreaders: c_uint,
@@ -162,7 +162,7 @@ extern "C" {
     pub fn mdb_env_get_flags(env: *mut MDB_env, flags: *mut c_uint) -> c_int;
     pub fn mdb_env_get_path(env: *mut MDB_env, path: *mut *mut c_char) -> c_int;
     pub fn mdb_env_get_fd(env: *mut MDB_env, fd: *mut mdb_filehandle_t) -> c_int;
-    pub fn mdb_env_set_mapsize(env: *mut MDB_env, size: size_t) -> c_int;
+    pub fn mdb_env_set_mapsize(env: *mut MDB_env, size: u64) -> c_int;
     pub fn mdb_env_set_maxreaders(env: *mut MDB_env, readers: c_uint) -> c_int;
     pub fn mdb_env_get_maxreaders(env: *mut MDB_env, readers: *mut c_uint) -> c_int;
     pub fn mdb_env_set_maxdbs(env: *mut MDB_env, dbs: MDB_dbi) -> c_int;
diff --git a/src/core.rs b/src/core.rs
index c5113019..cbb7a7db 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -619,7 +619,7 @@ impl EnvBuilder {
         try_mdb!(unsafe { ffi::mdb_env_set_flags(env, self.flags.bits() & changeable_flags.bits(), 1)});
 
         if let Some(map_size) = self.map_size {
-            try_mdb!(unsafe { ffi::mdb_env_set_mapsize(env, map_size as size_t)});
+            try_mdb!(unsafe { ffi::mdb_env_set_mapsize(env, map_size)});
         }
 
         if let Some(max_readers) = self.max_readers {
@@ -751,8 +751,8 @@ impl Environment {
 
     /// Sets map size.
     /// This can be called after [open](struct.EnvBuilder.html#method.open) if no transactions are active in this process.
-    pub fn set_mapsize(&self, map_size: usize) -> MdbResult<()> {
-        lift_mdb!(unsafe { ffi::mdb_env_set_mapsize(self.env.0, map_size as size_t)})
+    pub fn set_mapsize(&self, map_size: u64) -> MdbResult<()> {
+        lift_mdb!(unsafe { ffi::mdb_env_set_mapsize(self.env.0, map_size)})
     }
 
     /// This one sets only flags which are available for change even