* feat: u64 for --bytes and --ignore-initial
fix: bumped up tempfile to "3.26.0"
The variables for --bytes, --ignore-initial and line count where size 'usize',
thus limiting the readable bytes on 32-bit systems.
GNU cmp is compiled with LFS (Large File Support) and allows i64 values.
This is now all u64, which works also on 32-bit systems with Rust.
There is no reason to implement a 32-bit barrier for 32 bit machines.
Additionally the --bytes limit can be set to 'u128' using the feature
"cmp_bytes_limit_128_bit".
The performance impact would be negligible, as there only few calculations
each time a full block is read from the file.
---------
Co-authored-by: Gunter Schmidt <gsgit@beadsoft.de>
Co-authored-by: Sylvestre Ledru <sylvestre@debian.org>
Fixes#223. Very simple reproduction
```
cd diffutils
mkdir a
touch a/alef a/alefn a/alef_ a/alefx a/alefr a/fuzz.file
cargo test
```
=> fail
https://www.gnu.org/software/diffutils/manual/html_node/Multiple-Patches.html
states that the "old" file name has precedence over the "new" filename.
I hit this problem because some other (and unfortunately: unknown for
now) test issue left bogus `a/alef*` file(s) behind in my workspace. I
didn't bother cleaning them up because I assumed some test would keep
recreating them and that cost me a lot of time.
This issue seems to have existed since the very first commit.
Interestingly, there as a previous attempt in 2024 to fix this in commit
a3a372ff36 ! So I was apparently not the only affected. BUT that
fix was immediately reverted by commit ba7cb0aef9 in the same
PR. Admittedly, that fix seemed somewhat off-topic in
https://github.com/uutils/diffutils/pull/33. So here it is again.
The gnulib gitweb server returns a 302 redirect, but curl was called
without -L so it saved the HTML redirect page instead of init.sh.
This caused all 33 GNU upstream tests to fail in CI since the init.sh
fetch was introduced in c1b66e4.
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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Gunter Schmidt
Daniel Hofstetter
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Marc Herbert
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Kevin Burke