blob: 3dda6f190e448ae6c513d0f31e27e4e94a574673 (
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use std::env;
use std::path::Path;
use std::fs::File;
use std::io::{Read, Write};
fn main() {
let mut dst = env::current_exe().unwrap();
dst.pop();
dst.push("linker-arguments1");
if dst.exists() {
dst.pop();
dst.push("linker-arguments2");
assert!(!dst.exists());
}
let mut out = String::new();
for arg in env::args().skip(1) {
let path = Path::new(&arg);
if !path.is_file() {
out.push_str(&arg);
out.push_str("\n");
continue
}
let mut contents = Vec::new();
File::open(path).unwrap().read_to_end(&mut contents).unwrap();
// This file is produced during linking in a temporary directory.
let arg = if arg.ends_with("/symbols.o") || arg.ends_with("\\symbols.o") {
"symbols.o"
} else {
&*arg
};
out.push_str(&format!("{}: {}\n", arg, hash(&contents)));
}
File::create(dst).unwrap().write_all(out.as_bytes()).unwrap();
}
// fnv hash for now
fn hash(contents: &[u8]) -> u64 {
let mut hash = 0xcbf29ce484222325;
for byte in contents {
hash = hash ^ (*byte as u64);
hash = hash.wrapping_mul(0x100000001b3);
}
hash
}
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