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code review fixes

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This commit is contained in:
Pat Hickey
2020-09-02 13:39:32 -07:00
parent 82b3672956
commit b63e974014
1 changed files with 4 additions and 1 deletions
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5
crates/wiggle/src/lib.rs
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@@ -449,7 +449,7 @@ impl<'a, T> GuestPtr<'a, [T]> {
self.pointer.0 self.pointer.0
} }
/// For slices, returns the length of the slice, in units. /// For slices, returns the length of the slice, in elements.
pub fn len(&self) -> u32 { pub fn len(&self) -> u32 {
self.pointer.1 self.pointer.1
} }
@@ -552,6 +552,9 @@ impl<'a, T> GuestPtr<'a, [T]> {
} }
pub fn get_range(&self, r: std::ops::Range<u32>) -> Option<GuestPtr<'a, [T]>> { pub fn get_range(&self, r: std::ops::Range<u32>) -> Option<GuestPtr<'a, [T]>> {
if r.end < r.start {
return None;
}
let range_length = r.end - r.start; let range_length = r.end - r.start;
if r.start <= self.len() && r.end <= self.len() { if r.start <= self.len() && r.end <= self.len() {
Some(GuestPtr::new( Some(GuestPtr::new(