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feat(runtime-c-api) Do nothing if instance is null in wasmer_instance_exports.

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This commit is contained in:
Ivan Enderlin
2020-01-20 15:30:00 +01:00
parent 19627bdb8b
commit cb632f3452
1 changed files with 4 additions and 0 deletions
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4
lib/runtime-c-api/src/instance.rs
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@ -372,6 +372,10 @@ pub unsafe extern "C" fn wasmer_instance_exports(
instance: *mut wasmer_instance_t, instance: *mut wasmer_instance_t,
exports: *mut *mut wasmer_exports_t, exports: *mut *mut wasmer_exports_t,
) { ) {
if instance.is_null() {
return;
}
let instance_ref = &mut *(instance as *mut Instance); let instance_ref = &mut *(instance as *mut Instance);
let mut exports_vec: Vec<NamedExport> = Vec::with_capacity(instance_ref.exports().count()); let mut exports_vec: Vec<NamedExport> = Vec::with_capacity(instance_ref.exports().count());