From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/rust/memmap2/examples/cat.rs | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 third_party/rust/memmap2/examples/cat.rs (limited to 'third_party/rust/memmap2/examples') diff --git a/third_party/rust/memmap2/examples/cat.rs b/third_party/rust/memmap2/examples/cat.rs new file mode 100644 index 0000000000..34599af2e5 --- /dev/null +++ b/third_party/rust/memmap2/examples/cat.rs @@ -0,0 +1,23 @@ +extern crate memmap2; + +use std::env; +use std::fs::File; +use std::io::{self, Write}; + +use memmap2::Mmap; + +/// Output a file's contents to stdout. The file path must be provided as the first process +/// argument. +fn main() { + let path = env::args() + .nth(1) + .expect("supply a single path as the program argument"); + + let file = File::open(path).expect("failed to open the file"); + + let mmap = unsafe { Mmap::map(&file).expect("failed to map the file") }; + + io::stdout() + .write_all(&mmap[..]) + .expect("failed to output the file contents"); +} -- cgit v1.2.3