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wasm-micro-runtime/samples/native-lib/test_hello.c

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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include <stdio.h>
#include <stdlib.h>
#include "wasm_export.h"
static int
test_hello_wrapper(wasm_exec_env_t exec_env, const char *name, char *result,
size_t resultlen)
{
return snprintf(result, resultlen, "Hello, %s. This is %s!\n", name,
__func__);
}
/* clang-format off */
#define REG_NATIVE_FUNC(func_name, signature) \
{ #func_name, func_name##_wrapper, signature, NULL }
static NativeSymbol native_symbols[] = {
REG_NATIVE_FUNC(test_hello, "($*~)i")
};
/* clang-format on */
uint32_t
get_native_lib(char **p_module_name, NativeSymbol **p_native_symbols)
{
*p_module_name = "env";
*p_native_symbols = native_symbols;
return sizeof(native_symbols) / sizeof(NativeSymbol);
}