Thread (61 messages) 61 messages, 2 authors, 2023-10-20

Re: [PATCH 08/20] midx: enforce chunk alignment on reading

From: Jeff King <hidden>
Date: 2023-10-11 23:09:30

On Wed, Oct 11, 2023 at 11:01:09AM -0400, Taylor Blau wrote:
On Mon, Oct 09, 2023 at 05:05:23PM -0400, Jeff King wrote:
quoted
@@ -120,6 +121,11 @@ int read_table_of_contents(struct chunkfile *cf,
 			error(_("terminating chunk id appears earlier than expected"));
 			return 1;
 		}
+		if (chunk_offset % expected_alignment != 0) {
Oops, I missed this in my first read. I'm definitely nit-picking here,
but this should probably be:

    if (chunk_offset % expected_alignment)

without the trailing "!= 0".

I don't have a strong preference here, since we are doing a comparison
of an arithmetic operation against an (un-)expected value. But I think
the CodingGuidelines would technically call this out of style...
I suppose so, but somehow I consider the subtlety of "%" to merit the
more explicit comparison (versus something like "if (foo)"). Grepping
for "if (.* %)' seems to show some of both.

-Peff
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