Re: bin/50414: postfix extensively uses printf("%m")

[christos%zoulas.com@localhost (Christos Zoulas)]

The following reply was made to PR bin/50414; it has been noted by GNATS.

From: christos%zoulas.com@localhost (Christos Zoulas)
To: gnats-bugs%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: bin/50414: postfix extensively uses printf("%m")
Date: Sun, 8 Nov 2015 20:36:36 -0500

 On Nov 9,  1:10am, dholland%netbsd.org@localhost (dholland%netbsd.org@localhost) wrote:
 -- Subject: bin/50414: postfix extensively uses printf("%m")
 
 | >Number:         50414
 | >Category:       bin
 | >Synopsis:       postfix extensively uses printf("%m")
 | >Confidential:   no
 | >Severity:       serious
 | >Priority:       high
 | >Responsible:    bin-bug-people
 | >State:          open
 | >Class:          sw-bug
 | >Submitter-Id:   net
 | >Arrival-Date:   Mon Nov 09 01:10:00 +0000 2015
 | >Originator:     David A. Holland
 | >Release:        NetBSD 7.99.21 (20151108)
 | >Organization:
 | >Environment:
 | System: NetBSD valkyrie 7.99.1 NetBSD 7.99.1 (VALKYRIE) #17: Wed Oct 14 03:21:03 EDT 2015  dholland@valkyrie:/usr/src/sys/arch/amd64/compile/VALKYRIE amd64
 | Architecture: x86_64
 | Machine: amd64
 | >Description:
 | 
 | 	%m as a format string is defined only for syslog(3); however,
 | 	postfix's logging functions send only text to syslog(3), not
 | 	formats; the formats are all handled with vsnprintf/vfprintf/
 | 	whatnot.
 | 
 | 	Ergo, any %m passed to postfix's logging functions is not
 | 	interpreted. Unfortunately, there are a lot of these.
 | 
 | >How-To-Repeat:
 | 
 | 	find external/ibm-public -name '*.[ch]' | grep '"[^"]*%[^efgcpuoxds"]*m'
 | 
 |    	This produces 961 hits currently, most of which seem to be in
 |    	need of fixing.
 
 Nothing needs to be fixed. Postfix has its own string, buffer, and printing
 systems:
 
 http://nxr.netbsd.org/xref/src/external/ibm-public/postfix/dist/src/util/vbuf_print.c#247
 
 christos