On 11/28/2011 5:32 PM, William A. Rowe Jr. wrote:
On 11/28/2011 5:29 PM, Graham Leggett wrote:
On 29 Nov 2011, at 01:21, William A. Rowe Jr. wrote:

- rv = apr_sdbm_nextkey(dbm->file,&rd);
+ apr_sdbm_nextkey(dbm->file,&rd);

pkey->dptr = rd.dptr;
pkey->dsize = rd.dsize;

apr-trunk contains the following explanation for this, I understand it's 
intended (sf?):

/*
* XXX: This discards any error but apr_sdbm_nextkey currently returns
* XXX: an error for the last key
*/

Interesting. Good if that's the only case; it still seems odd ;-)

FWIW, isn't this invalid on some builds?

Don't you need to cast the ignored function rv to null?

Seems to be trading your warning for someone elses' warning.

E.g.

    (void)apr_sdbm_nextkey(dbm->file, &rd);

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