From: "Stefan Beller" <stefanbel...@googlemail.com>
Sent: Thursday, August 08, 2013 7:55 PM
Subject: [PATCH] diff: remove another ternary expression always
evaluating to true
Have these issues (and the earlier expression simplifications patches
$gmane/231916, $gmane/231912 ) been discovered with the "STACK" tool I'd
noted in $gmane/230542 which you were also interested in (I've not had
chance to run the tool).
If so, it's probably worth referencing the tool and the paper which
explains the broader issues.
Philip
The condition before the changed line dereferences 'one' to query the
mode,
so if the condition evaluates to true, the variable one must not be
null.
Therefore we do not need the ternary operator depending on one, giving
either one->path or two->path. This always evaluates to one->path, so
we can remove the ternary operator.
The condition and the usage of the ternary operator have been
introduced
by the same commit (752c0c24, 2009-10-19, Add the --submodule option
to
the diff option family). As that commit message refers to a
GitTogether
I'd assume that patch was crafted in a hurry, so maybe overlooking the
need for a ternary operator there.
Signed-off-by: Stefan Beller <stefanbel...@googlemail.com>
---
diff.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/diff.c b/diff.c
index 80f8439..f30b7e4 100644
--- a/diff.c
+++ b/diff.c
@@ -2252,8 +2252,7 @@ static void builtin_diff(const char *name_a,
(!two->mode || S_ISGITLINK(two->mode))) {
const char *del = diff_get_color_opt(o, DIFF_FILE_OLD);
const char *add = diff_get_color_opt(o, DIFF_FILE_NEW);
- show_submodule_summary(o->file, one ? one->path : two->path,
- line_prefix,
+ show_submodule_summary(o->file, one->path, line_prefix,
one->sha1, two->sha1, two->dirty_submodule,
meta, del, add, reset);
return;
--
1.8.4.rc1.25.gd121ba2
--
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