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[bug-diffutils] bug#64485: "diff -y" broken since yesterday
From: |
Bruno Haible |
Subject: |
[bug-diffutils] bug#64485: "diff -y" broken since yesterday |
Date: |
Wed, 05 Jul 2023 19:30:31 +0200 |
Hi Paul,
I'm trying to understand the meaning of 'in_position' and 'out_position' in
function 'print_half_line'. While doing this, I spotted a bug:
$ cat foo1.txt
a
ab
abc
$ cat foo2.txt
ab
abcd
$ src/diff -t -y foo1.txt foo2.txt
a <
ab ab
abc | abcd
This is obviously not how it's intended to be. The attached patch fixes it.
The cause is that in the case of a character of width 1, the assignment
out_position = in_position;
was lost in commit 05cdf3102ef3fb261db311a3e5d090fb63dbc792 (yesterday).
With this patch, the result is again as it should be:
$ src/diff -t -y foo1.txt foo2.txt
a <
ab ab
abc | abcd
The patch also improves comments in this function. So that next time,
I (or anyone else) don't spent 30 minutes to understand the difference
between 'in_position' and 'out_position'.
Bruno
0001-diff-Fix-diff-y-output.patch
Description: Text Data
- [bug-diffutils] bug#64485: "diff -y" broken since yesterday,
Bruno Haible <=