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feat(c-api) Implement wasm_$name_vec_t::is_uninitialized().

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This commit is contained in:
Ivan Enderlin
2020-10-30 14:11:09 +01:00
parent 525fa5472f
commit 77be1040f6
1 changed files with 6 additions and 4 deletions
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10
lib/c-api/src/wasm_c_api/macros.rs
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@@ -56,22 +56,24 @@ macro_rules! wasm_declare_vec {
impl [<wasm_ $name _vec_t>] { impl [<wasm_ $name _vec_t>] {
pub unsafe fn into_slice(&self) -> Option<&[[<wasm_ $name _t>]]>{ pub unsafe fn into_slice(&self) -> Option<&[[<wasm_ $name _t>]]>{
if self.data.is_null() { if self.is_unitialized() {
return None; return None;
} }
Some(::std::slice::from_raw_parts(self.data, self.size)) Some(::std::slice::from_raw_parts(self.data, self.size))
} }
}
impl [<wasm_ $name _vec_t>] {
pub unsafe fn into_slice_mut(&self) -> Option<&mut [[<wasm_ $name _t>]]>{ pub unsafe fn into_slice_mut(&self) -> Option<&mut [[<wasm_ $name _t>]]>{
if self.data.is_null() { if self.is_unitialized() {
return None; return None;
} }
Some(::std::slice::from_raw_parts_mut(self.data, self.size)) Some(::std::slice::from_raw_parts_mut(self.data, self.size))
} }
pub fn is_unitialized(&self) -> bool {
self.data.is_null()
}
} }
// TODO: investigate possible memory leak on `init` (owned pointer) // TODO: investigate possible memory leak on `init` (owned pointer)