bin/47976: Overlapping variables in snprintf.

[henning.petersen%t-online.de@localhost]

>Number:         47976
>Category:       bin
>Synopsis:       Overlapping variables in snprintf.
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jun 30 10:45:00 +0000 2013
>Originator:     Henning Petersen
>Release:        NetBSD-current
>Organization:
>Environment:
>Description:
Scanning sbin, usr.bin and usr.sbin with cppcheck I found 7 in errors.


[sbin/veriexecctl/veriexecctl.c:188]: (error) Undefined behavior: Variable 'fp' 
is used as parameter and destination in s[n]printf().

[usr.bin/netstat/show.c:734]: (error) Undefined behavior: Variable 'obuf' is 
used as parameter and destination in s[n]printf().

[usr.bin/tip/cu.c:163]: (error) Undefined behavior: Variable 'brbuf' is used as 
parameter and destination in s[n]printf().

[usr.bin/tip/tip.c:106]: (error) Undefined behavior: Variable 'brbuf' is used 
as parameter and destination in s[n]printf().

[usr.sbin/mopd/common/log.c:55]: (error) Undefined behavior: Variable 'buf' is 
used as parameter and destination in s[n]printf().

[usr.sbin/mopd/common/log.c:72]: (error) Undefined behavior: Variable 'buf' is 
used as parameter and destination in s[n]printf().

[usr.sbin/schedctl/schedctl.c:298]: (error) Undefined behavior: Variable 'buf' 
is used as parameter and destination in s[n]printf().

>How-To-Repeat:

>Fix:
n/a