Re: [v9.2] make_greater_string() does not return a string in some cases

On Mon, Oct 3, 2011 at 2:13 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> On Thu, Sep 29, 2011 at 6:24 AM, Kyotaro HORIGUCHI
> <horiguchi.kyotaro@oss.ntt.co.jp> wrote:
>> This is new version of make_greater_string patch.
>
> According to the comments in the original source code, the purpose of
> savelastchar is to avoid confusing pg_mbcliplen().  You've preserved
> savelastchar only for the case where datatype == BYTEAOID, while
> making it the increment function's job not to do anything permanent
> unless it also returns true.  But it seems to me that if the datatype
> is BYTEAOID then there's no need to restore anything at all, because
> we're not going to call pg_mbcliplen() in that case anyway.  So I
> think the logic here can be simplified.
>
> Also, you haven't completely fixed the style issues.  Function
> definitions should look like this:
>
> static void
> thingy()
> {
> }
>
> Not like this:
>
> static void thingy()
> {
> }
>
> Opening curly braces should be on a line by themselves, not at the end
> of the preceding if, while, etc. line.
>
> "finnaly" is spelled incorrectly.

Oh, and there's this:

wchar.c: In function ‘pg_utf8_increment’:
wchar.c:1376: warning: unused variable ‘success’
wchar.c: In function ‘pg_eucjp_increment’:
wchar.c:1433: warning: unused variable ‘success’

--
Robert Haas
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