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Null check result of ecs_query_str() #291

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Null check result of ecs_query_str() #291

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4 changes: 4 additions & 0 deletions flecs_ecs/src/core/utility/traits/query_api.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -920,6 +920,10 @@ where
fn to_string(&self) -> String {
let query = self.query_ptr();
let result: *mut c_char = unsafe { sys::ecs_query_str(query as *const _) };
if result.is_null() {
return String::new();
}

let rust_string =
String::from(unsafe { core::ffi::CStr::from_ptr(result).to_str().unwrap() });
unsafe {
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