* Date: Thu, 22 Jan 2015 07:49:15 +0100 From: Hallvard Breien Furuseth <h.b.furuseth(a)usit.uio.no&gt; To: leo(a)yuriev.ru, openldap-its(a)OpenLDAP.org Subject: Re: (ITS#8018) a lot of warnings building with -Wall * On 22/01/15 06:13, leo(a)yuriev.ru wrote: > I unexpectedly detected that the variadic macro feature of C99 was > already used in OpenLDAP 2.4 ;) Look a bit closer: > grep -R __VA_ARGS__ * > build/ltmain.sh:# define DEBUG(format, ...) fprintf(stderr, format, > __VA_ARGS__) > contrib/ldapc++/ltmain.sh:# define DEBUG(format, ...) fprintf(stderr, > format, __VA_ARGS__) ltmain.sh is a shell/code library generated by GNU libtool. Lots of stuff in there which we do not use. > libraries/liblmdb/mdb.c: fprintf(stderr, "%s:%d " fmt "\n", > mdb_func_, __LINE__, __VA_ARGS__) > servers/slapd/back-bdb/back-bdb.h:#define > BDB_LOG_PRINTF(env,txn,fmt,...) > (env)->log_printf((env),(txn),(fmt),__VA_ARGS__) > servers/slapd/back-bdb/back-bdb.h:#define > BDB_LOG_PRINTF(env,txn,fmt,...) > __db_logmsg((env),(txn),"DIAGNOSTIC",0,(fmt),__VA_ARGS__) Debug macros which are off by default and fall back to ((void)0) or somesuch.