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Fix two issues for wasm-c-api (#487)

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Fix incorrect func_type unpacking for results
Fix crash for multiple instance usage due to wrong size provided

Signed-off-by: Kanghua Yu <kanghua.ykh@antgroup.com>
Signed-off-by: Xiaokang Qin <xiaokang.qxk@antgroup.com>

Co-authored-by: Kanghua Yu <kanghua.ykh@antgroup.com>
This commit is contained in:
Xiaokang Qin 2020-12-30 13:37:19 +08:00 committed by GitHub
parent 365ec6360b
commit 6c967b71f1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 3 deletions
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6
core/iwasm/common/wasm_c_api.c
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@ -523,9 +523,9 @@ wasm_functype_new_internal(WASMType *type_rt)
/* WASMType->types[type_rt->param_count : type_rt->result_count) -> func_type->results */ /* WASMType->types[type_rt->param_count : type_rt->result_count) -> func_type->results */
INIT_VEC(func_type->results, wasm_valtype_vec, type_rt->result_count); INIT_VEC(func_type->results, wasm_valtype_vec, type_rt->result_count);
for (i = type_rt->param_count; i < type_rt->result_count; ++i) { for (i = 0; i < type_rt->result_count; ++i) {
wasm_valtype_t *result_type = wasm_valtype_t *result_type =
wasm_valtype_new_internal(*(type_rt->types + i)); wasm_valtype_new_internal(*(type_rt->types + type_rt->param_count + i));
if (!result_type) { if (!result_type) {
goto failed; goto failed;
} }
@ -2603,7 +2603,7 @@ wasm_instance_exports(const wasm_instance_t *instance, wasm_extern_vec_t *out)
void void
wasm_instance_vec_new_uninitialized(wasm_instance_vec_t *out, size_t size) wasm_instance_vec_new_uninitialized(wasm_instance_vec_t *out, size_t size)
{ {
generic_vec_init_data((Vector *)out, size, sizeof(wasm_instance_t)); generic_vec_init_data((Vector *)out, size, sizeof(wasm_instance_t *));
} }
void void