Function fs_stat

host/sysenv/sys_fs.cpp:162–176

stat(path_ptr, path_len, stat_buf) -> i32

// stat(path_ptr, path_len, stat_buf) -> i32
static std::vector<Value> fs_stat(Stack& stack) {
    Frame& frame = stack.frames.top();
    i64_t path_ptr = get_ptr(frame.locals[0]);
    i64_t path_len = get_ptr(frame.locals[1]);
    i64_t stat_buf = get_ptr(frame.locals[2]);
    try {
        std::string path = mem_string(stack, path_ptr, path_len);
        stat_t st;
        if(sys_stat(path.c_str(), &st) != 0) return {Value(err_code())};
        write_wasm_stat(stack, stat_buf, st);
        return {Value(i32_t(0))};
    } catch(...) {
        return {Value(i32_t(-EFAULT))};
    }
}

// fstat(fd:i32, stat_buf) -> i32
static std::vector<Value> fs_fstat(Stack& stack) {