Re: [PATCH] general style: replaces memcmp() with proper starts_with()

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Junio C Hamano <gitster@xxxxxxxxx> writes:

> Taking two random examples from an early and a late parts of the
> patch:
>
> --- a/builtin/cat-file.c
> +++ b/builtin/cat-file.c
> @@ -82,7 +82,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
>  				enum object_type type;
>  				unsigned long size;
>  				char *buffer = read_sha1_file(sha1, &type, &size);
> -				if (memcmp(buffer, "object ", 7) ||
> +				if (!starts_with(buffer, "object ") ||

[...]

> The original hunks show that the code knows and relies on magic
> numbers 7 and 8 very clearly and there are rooms for improvement.

Like: what if the file is empty?

-- 
David Kastrup
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