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doc(runtime-c-api) Improve documentation of wasmer_validate.

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This commit is contained in:
Ivan Enderlin
2020-01-16 12:28:42 +01:00
parent 9ae83981be
commit 798557367a
1 changed files with 14 additions and 1 deletions
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15
lib/runtime-c-api/src/module.rs
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@ -44,13 +44,26 @@ pub unsafe extern "C" fn wasmer_compile(
wasmer_result_t::WASMER_OK
}
/// Returns true for valid wasm bytes and false for invalid bytes
/// Validates a sequence of bytes hoping it represents a valid WebAssembly module.
///
/// The function returns true if the bytes are valid, false otherwise.
///
/// Example:
///
/// ```c
/// bool result = wasmer_validate(bytes, bytes_length);
///
/// if (false == result) {
/// // Do something…
/// }
/// ```
#[allow(clippy::cast_ptr_alignment)]
#[no_mangle]
pub unsafe extern "C" fn wasmer_validate(wasm_bytes: *const u8, wasm_bytes_len: u32) -> bool {
if wasm_bytes.is_null() {
return false;
}
let bytes: &[u8] = slice::from_raw_parts(wasm_bytes, wasm_bytes_len as usize);
wasmer_runtime_core::validate(bytes)