[RFC] make bb_[p]error_msgXXXX() functions able to direct output to syslog

[Denis Vlasenko]

On Sunday 03 September 2006 21:14, Tito wrote:
> So, then go for it!
> Maybe you can use this snippet of code for inspiration,
> so at least my work wasn't a total waste of time.
> 
> int bb_facility = LOG_USER;
> 
> 
> {
>         va_list p;
>         va_list p2;
>         
>         va_start(p, fmt);
>         va_copy(p2, p);
>         /* bb_err_msg stuff here */
>         openlog(bb_applet_name, LOG_PID | LOG_CONS | LOG_NOWAIT, bb_facility);
>         vsyslog(LOG_ERR, fmt, p2);
>         if (ENABLE_FEATURE_CLEAN_UP) closelog();
>         va_end(p);
>         va_end(p2);
> }
> 
> Ciao,
> Tito

Working on it. Did not manage to make it ready for review today,
hopefully tomorrow.

Bloatcheck looks like this after few applets were converted
to new method of talking to syslog:

function                                             old     new   delta
bb_verror_msg                                         76     334    +258
bb_vinfo_msg                                           -      83     +83
xxstrdup                                               -      41     +41
bb_info_msg                                            -      31     +31
nameif_main                                          957     973     +16
telnetd_main                                        1802    1811      +9
bb_logmode                                             -       4      +4
fakeidentd_main                                     1061    1064      +3
reapchild                                            290     292      +2
xasprintf                                             60      61      +1
unregister_rpc                                        83      84      +1
flags                                                 55      51      -4
config                                              2495    2491      -4
setup                                                722     716      -6
bump_nofile                                          344     338      -6
getconfigent                                        2116    2109      -7
inetd_main                                          3341    3329     -12
bb_error_msg_and_die                                  62      45     -17
bb_error_msg                                          50      33     -17
godaemon                                             273     252     -21
bb_vherror_msg                                        84      50     -34
new_servtab                                           65      24     -41
setup_environment                                    396     353     -43
zcip_main                                           2576    2530     -46
bb_vperror_msg                                       100      50     -50
make_new_session                                     592     541     -51
arp                                                  358     301     -57
newstr                                                89       -     -89
serror                                               120       -    -120
dupconfig                                            498     315    -183
run                                                 2191    1998    -193
.rodata                                           258092  257828    -264
------------------------------------------------------------------------------
(add/remove: 4/2 grow/shrink: 7/19 up/down: 449/-1265)       Total: -816 bytes

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vda