On Mon, Oct 14, 2013 at 03:25:29PM -0700, Junio C Hamano wrote:
> > + /*
> > + * Look from the end-of-line to find the trailing ">" of the mail
> > + * address, even though we should already know it as split->mail_end.
> > + * This can help in cases of broken idents with an extra ">" somewhere
> > + * in the email address. Note that we are assuming the timestamp will
> > + * never have a ">" in it.
> > + *
> > + * Note also that this memchr can never return NULL, as we would
> > + * always find at least the split->mail_end closing bracket.
> > + */
> > + cp = memrchr(split->mail_end, '>', len - (split->mail_end - line));
> > + for (cp = cp + 1; cp < line + len && isspace(*cp); cp++)
> > ;
> "git grep" tells me this is the first use of memrchr(), which,
> unlike memchr(), is _GNU_SOURCE-only if I am not mistaken, so we may
> need a fallback definition in the compat/ and NEEDS_MEMRCHR in the
> Makefile, I think.
Yeah, you are right. I'm happy to re-roll. I wonder if we even need
to worry about a compatibility wrapper. We are already doing pointer
manipulations, and it is probably just as readable to roll the loop by
 I even looked at "man memrchr" on my glibc system and was surprised
to see it mentioned above the "#define _GNU_SOURCE" fold. But that
"fold" is used only sometimes (e.g., strchrnul), and not others (in
memrchr, the portability bits are listed at the end of the
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