41 lines
1.1 KiB
Markdown
41 lines
1.1 KiB
Markdown
Embed WAMR into software production
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=====================================
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A typical WAMR API usage is shown below (some return value checks are ignored):
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``` C
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static char global_heap_buf[512 * 1024];
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char *buffer;
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wasm_module_t module;
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wasm_module_inst_t inst;
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wasm_function_inst_t func;
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wasm_exec_env_t env;
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uint32 argv[2];
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bh_memory_init_with_pool(global_heap_buf, sizeof(global_heap_buf));
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wasm_runtime_init();
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buffer = read_wasm_binary_to_buffer(…);
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module = wasm_runtime_load(buffer, size, err, err_size);
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inst = wasm_runtime_instantiate(module, 0, 0, err, err_size);
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func = wasm_runtime_lookup_function(inst, "fib", "(i32)i32");
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env = wasm_runtime_create_exec_env(stack_size);
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argv[0] = 8;
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if (!wasm_runtime_call_wasm(inst, env, func, 1, argv_buf) ) {
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wasm_runtime_clear_exception(inst);
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}
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/* the return value is stored in argv[0] */
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printf("fib function return: %d\n", argv[0]);
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wasm_runtime_destory_exec_env(env);
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wasm_runtime_deinstantiate(inst);
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wasm_runtime_unload(module);
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wasm_runtime_destroy();
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bh_memory_destroy();
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```
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