45 lines
1022 B
Rust
45 lines
1022 B
Rust
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use std::env;
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use std::path::Path;
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use std::fs::File;
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use std::io::{Read, Write};
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fn main() {
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let mut dst = env::current_exe().unwrap();
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dst.pop();
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dst.push("linker-arguments1");
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if dst.exists() {
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dst.pop();
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dst.push("linker-arguments2");
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assert!(!dst.exists());
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}
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let mut out = String::new();
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for arg in env::args().skip(1) {
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let path = Path::new(&arg);
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if !path.is_file() {
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out.push_str(&arg);
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out.push_str("\n");
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continue
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}
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let mut contents = Vec::new();
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File::open(path).unwrap().read_to_end(&mut contents).unwrap();
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out.push_str(&format!("{}: {}\n", arg, hash(&contents)));
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}
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File::create(dst).unwrap().write_all(out.as_bytes()).unwrap();
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}
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// fnv hash for now
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fn hash(contents: &[u8]) -> u64 {
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let mut hash = 0xcbf29ce484222325;
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for byte in contents {
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hash = hash ^ (*byte as u64);
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hash = hash.wrapping_mul(0x100000001b3);
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}
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hash
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}
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