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Include a NUL byte in the message returned by wasm_trap_message().

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This commit is contained in:
Nick Lewycky
2020-12-16 12:22:48 -08:00
parent d24981a0a8
commit 1e07207397
1 changed files with 3 additions and 1 deletions
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4
lib/c-api/src/wasm_c_api/trap.rs
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@@ -38,7 +38,9 @@ pub unsafe extern "C" fn wasm_trap_message(
out: &mut wasm_byte_vec_t, out: &mut wasm_byte_vec_t,
) { ) {
let message = trap.inner.message(); let message = trap.inner.message();
let byte_vec: wasm_byte_vec_t = message.into_bytes().into(); let mut byte_vec = message.into_bytes();
byte_vec.push(0); // append NUL
let byte_vec: wasm_byte_vec_t = byte_vec.into();
out.size = byte_vec.size; out.size = byte_vec.size;
out.data = byte_vec.data; out.data = byte_vec.data;