pub struct FileDesc(OwnedFd); impl FileDesc { //从文件描述符读出字节流 pub fn read(&self, buf: &mut [u8]) -> io::Result<usize> { let ret = cvt(unsafe { //调用libc的read函数 libc::read( //按C语言的调用进行转换 self.as_raw_fd(), //转换成void *指针 buf.as_mut_ptr() as...
Makefile.toml Fix cargo make config and tests (#2640) 3年前 README.md updated README.md (#2919) 2年前 SECURITY.md Improve SECURITY.md (#3277) 2年前 firebase.json Set CORS headers for tutorial/data.json (#3162) 2年前 release.toml ...
[allow(unused_variables)] // <1>type File=String;// <2>fnopen(f:&mut File)->bool{true// <3>}fnclose(f:&mut File)->bool{true// <3>}#[allow(dead_code)]// <4>fnread(f:&mut File,save_to:&mut Vec<u8>)->!{// <5>unimplemented!()// <6>}fnmain(){letmut f1=File::...
源码:https://github.com/lowRISC/opentitan/tree/master/sw/host/rom_ext_image_tools/signer ,它是一个 Host 软件。 在Readme 里介绍了他们为什么选择 Rust : https://github.com/lowRISC/opentitan/blob/master/sw/host/rom_ext_image_tools/signer/README.md 该项目中其他比较有用的资源: RISC-V Assembly...
文件打开成功:File { fd: 3, path: "/Users/Admin/Downloads/guess-game-app/src/data.txt", read: true, write: false } 如果文件 data.txt 不存在,则会抛出以下错误 thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No...
// 为 Scull 实现 file::Operations trait // 该 trait 定义了内核文件操作的各种方法,诸如 `open/read/write/seek/fsync/mmap/poll 等 // 对应于内核的 `file_operations` 结构体,支持多线程/多进程 // 该结构在include/linux/fs.h中定义,并保存指向由驱动程序定义的函数的指针, ...
("Hello, world!");letmutargs=args();// 环境配置输入数据条数countletcount=args.nth(1).unwrap().parse::().unwrap();letmutindex=0;// 打开标准输入letstdin=io::stdin();whileindex<count{letmuts=String::new();// 把输入的字符串读入到sstdin.read_line(&muts).unwrap();// 把输入的数据...
README Apache-2.0 🖌 egui: an easy-to-use GUI in pure Rust Example Sections: Quick start Demo Goals Non-goals State Features Dependencies Who is egui for? Integrations Official integrations 3rd party integrations Writing your own egui integration ...
This extension is configured using a jsonc file. You can open this configuration file using the command:CocConfig, and it is typically located at$HOME/.config/nvim/coc-settings.json. Commands You can use these commands by:CocCommand XYZ. ...
fn read_username_from_file() -> Result<String, io::Error> { let mut f = File::open("hello.txt")?; let mut s = String::new(); f.read_to_string(&mut s)?; Ok(s) }use std::fs::File; use std::io; use std::io::Read; fn read_username_from_file() -> Result<String, ...