22 lines
428 B
Rust
22 lines
428 B
Rust
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use std::convert::TryInto;
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use std::fs::File;
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use std::io::Read;
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use std::path::Path;
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pub fn load_small_file <P> (name: P, max_size: u64) -> Vec <u8>
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where P: AsRef <Path>
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{
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let mut f = File::open (name).unwrap ();
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let len = f.metadata ().unwrap ().len ();
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if len > max_size {
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panic! ("File is too big");
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}
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let mut data = vec! [0u8; len.try_into ().unwrap ()];
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f.read_exact (&mut data [..]).unwrap ();
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data
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}
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