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acpi_tables: aml: Replace use of Vec::append with Vec::extend_from_slice

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Avoid removing from the source vector by using Vec::extend_from_slice().
The primitive values (bytes) will be copied from the source in either
case.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2021-11-05 16:57:58 +00:00
parent c1a3b63112
commit eae4b315e4
1 changed files with 31 additions and 31 deletions
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acpi_tables/src/aml.rs
+31 -31
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@@ -68,7 +68,7 @@ impl Aml for Path {
}; };
for part in self.name_parts.clone().iter_mut() { for part in self.name_parts.clone().iter_mut() {
bytes.append(&mut part.to_vec()); bytes.extend_from_slice(&part.to_vec());
} }
} }
} }
@@ -139,7 +139,7 @@ impl Aml for Name {
fn append_aml_bytes(&self, bytes: &mut Vec<u8>) { fn append_aml_bytes(&self, bytes: &mut Vec<u8>) {
// TODO: Refactor this to make more efficient but there are // TODO: Refactor this to make more efficient but there are
// lifetime/ownership challenges. // lifetime/ownership challenges.
bytes.append(&mut self.bytes.clone()) bytes.extend_from_slice(&self.bytes.clone())
} }
} }
@@ -163,11 +163,11 @@ impl<'a> Aml for Package<'a> {
child.append_aml_bytes(&mut tmp); child.append_aml_bytes(&mut tmp);
} }
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0x12); /* PackageOp */ bytes.push(0x12); /* PackageOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp); bytes.extend_from_slice(&tmp);
} }
} }
@@ -323,11 +323,11 @@ impl<'a> Aml for ResourceTemplate<'a> {
} }
// PkgLength is everything else // PkgLength is everything else
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0x11); /* BufferOp */ bytes.push(0x11); /* BufferOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp); bytes.extend_from_slice(&tmp);
} }
} }
@@ -558,12 +558,12 @@ impl<'a> Aml for Device<'a> {
child.append_aml_bytes(&mut tmp); child.append_aml_bytes(&mut tmp);
} }
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0x5b); /* ExtOpPrefix */ bytes.push(0x5b); /* ExtOpPrefix */
bytes.push(0x82); /* DeviceOp */ bytes.push(0x82); /* DeviceOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp); bytes.extend_from_slice(&tmp);
} }
} }
@@ -586,11 +586,11 @@ impl<'a> Aml for Scope<'a> {
child.append_aml_bytes(&mut tmp); child.append_aml_bytes(&mut tmp);
} }
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0x10); /* ScopeOp */ bytes.push(0x10); /* ScopeOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp) bytes.extend_from_slice(&tmp)
} }
} }
@@ -628,11 +628,11 @@ impl<'a> Aml for Method<'a> {
child.append_aml_bytes(&mut tmp); child.append_aml_bytes(&mut tmp);
} }
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0x14); /* MethodOp */ bytes.push(0x14); /* MethodOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp) bytes.extend_from_slice(&tmp)
} }
} }
@@ -711,21 +711,21 @@ impl Aml for Field {
match field { match field {
FieldEntry::Named(name, length) => { FieldEntry::Named(name, length) => {
tmp.extend_from_slice(name); tmp.extend_from_slice(name);
tmp.append(&mut create_pkg_length(&vec![0; *length], false)); tmp.extend_from_slice(&create_pkg_length(&vec![0; *length], false));
} }
FieldEntry::Reserved(length) => { FieldEntry::Reserved(length) => {
tmp.push(0x0); tmp.push(0x0);
tmp.append(&mut create_pkg_length(&vec![0; *length], false)); tmp.extend_from_slice(&create_pkg_length(&vec![0; *length], false));
} }
} }
} }
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0x5b); /* ExtOpPrefix */ bytes.push(0x5b); /* ExtOpPrefix */
bytes.push(0x81); /* FieldOp */ bytes.push(0x81); /* FieldOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp) bytes.extend_from_slice(&tmp)
} }
} }
@@ -794,11 +794,11 @@ impl<'a> Aml for If<'a> {
child.append_aml_bytes(&mut tmp); child.append_aml_bytes(&mut tmp);
} }
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0xa0); /* IfOp */ bytes.push(0xa0); /* IfOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp); bytes.extend_from_slice(&tmp);
} }
} }
@@ -976,11 +976,11 @@ impl<'a> Aml for While<'a> {
child.append_aml_bytes(&mut tmp) child.append_aml_bytes(&mut tmp)
} }
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0xa2); /* WhileOp */ bytes.push(0xa2); /* WhileOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp); bytes.extend_from_slice(&tmp);
} }
} }
@@ -1062,11 +1062,11 @@ impl Aml for Buffer {
self.data.len().append_aml_bytes(&mut tmp); self.data.len().append_aml_bytes(&mut tmp);
tmp.extend_from_slice(&self.data); tmp.extend_from_slice(&self.data);
let mut pkg_length = create_pkg_length(&tmp, true); let pkg_length = create_pkg_length(&tmp, true);
bytes.push(0x11); /* BufferOp */ bytes.push(0x11); /* BufferOp */
bytes.append(&mut pkg_length); bytes.extend_from_slice(&pkg_length);
bytes.append(&mut tmp); bytes.extend_from_slice(&tmp);
} }
} }