fix windows builds

src/node.rs

@@ -1,12 +1,7 @@
 use std::fs::File;
+use std::io::{Seek, SeekFrom, Write};
 use std::mem::size_of;
 
-#[cfg(unix)]
-use std::os::unix::fs::FileExt;
-
-#[cfg(windows)]
-use std::os::windows::fs::FileExt;
-
 use crate::bucket::Bucket;
 use crate::cursor::PageNodeID;
 use crate::data::{Data, SliceParts};
@@ -241,8 +236,8 @@ impl Node {
 		let page = unsafe { &mut *(&mut buf[0] as *mut u8 as *mut Page) };
 		page.write_node(self, self.num_pages)?;
 		let offset = (self.page_id as u64) * (self.bucket.tx.meta.pagesize as u64);
-		// println!("WRITING PAGE: {:?} at {}", page, offset);
-		file.write_all_at(buf.as_slice(), offset)?;
+		file.seek(SeekFrom::Start(offset))?;
+		file.write_all(buf.as_slice())?;
 		Ok(())
 	}
 

src/transaction.rs

@@ -1,14 +1,8 @@
 use std::fs::File;
-use std::io::Write;
+use std::io::{Seek, SeekFrom, Write};
 use std::pin::Pin;
 use std::sync::{Arc, MutexGuard};
 
-#[cfg(unix)]
-use std::os::unix::fs::FileExt;
-
-#[cfg(windows)]
-use std::os::windows::fs::FileExt;
-
 use memmap::Mmap;
 
 use crate::bucket::Bucket;
@@ -299,7 +293,8 @@ impl<'a> TransactionInner {
 			page.count = page_ids.len() as u64;
 			page.freelist_mut().copy_from_slice(page_ids.as_slice());
 
-			file.write_all_at(buf.as_slice(), (self.db.pagesize * page_id) as u64)?;
+			file.seek(SeekFrom::Start((self.db.pagesize * page_id) as u64))?;
+			file.write_all(buf.as_slice())?;
 
 			self.meta.freelist_page = page_id;
 		}
@@ -323,7 +318,9 @@ impl<'a> TransactionInner {
 			m.freelist_page = self.meta.freelist_page;
 			m.tx_id = self.meta.tx_id;
 			m.hash = m.hash_self();
-			file.write_all_at(buf.as_slice(), (self.db.pagesize * meta_page_id) as u64)?;
+
+			file.seek(SeekFrom::Start((self.db.pagesize * meta_page_id) as u64))?;
+			file.write_all(buf.as_slice())?;
 		}
 
 		file.flush()?;