From c1d7d708d4f0fc51cdada92b057be916d555e7b9 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Mon, 17 Aug 2020 11:53:01 +0200
Subject: [PATCH] remove map_struct helper
if we ever need this it should be marked as unsafe!
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
---
src/tools.rs | 26 --------------------------
1 file changed, 26 deletions(-)
diff --git a/src/tools.rs b/src/tools.rs
index 8792bf0c..1b9d35a8 100644
--- a/src/tools.rs
+++ b/src/tools.rs
@@ -62,32 +62,6 @@ pub trait BufferedRead {
fn buffered_read(&mut self, offset: u64) -> Result<&[u8], Error>;
}
-/// Directly map a type into a binary buffer. This is mostly useful
-/// for reading structured data from a byte stream (file). You need to
-/// make sure that the buffer location does not change, so please
-/// avoid vec resize while you use such map.
-///
-/// This function panics if the buffer is not large enough.
-pub fn map_struct<T>(buffer: &[u8]) -> Result<&T, Error> {
- if buffer.len() < ::std::mem::size_of::<T>() {
- bail!("unable to map struct - buffer too small");
- }
- Ok(unsafe { &*(buffer.as_ptr() as *const T) })
-}
-
-/// Directly map a type into a mutable binary buffer. This is mostly
-/// useful for writing structured data into a byte stream (file). You
-/// need to make sure that the buffer location does not change, so
-/// please avoid vec resize while you use such map.
-///
-/// This function panics if the buffer is not large enough.
-pub fn map_struct_mut<T>(buffer: &mut [u8]) -> Result<&mut T, Error> {
- if buffer.len() < ::std::mem::size_of::<T>() {
- bail!("unable to map struct - buffer too small");
- }
- Ok(unsafe { &mut *(buffer.as_ptr() as *mut T) })
-}
-
/// Split a file into equal sized chunks. The last chunk may be
/// smaller. Note: We cannot implement an `Iterator`, because iterators
/// cannot return a borrowed buffer ref (we want zero-copy)