libbb: updated config_parse() from Vladimir

function                                             old     new   delta
config_read                                          385     460     +75
runsvdir_main                                       1701    1716     +15
readit                                               331     338      +7
passwd_main                                         1049    1053      +4
parse_command                                       1504    1507      +3
decode_format_string                                 822     824      +2
bb__parsespent                                       117     119      +2
udhcp_get_option                                     221     222      +1
changepath                                           196     194      -2
parse_inittab                                        400     396      -4
nameif_main                                          683     679      -4
make_device                                         1176    1172      -4
config_open                                           48      40      -8
expand_main                                          698     689      -9
readcmd                                             1012    1002     -10
config_free_data                                      37      21     -16
SynchronizeFile                                      683     643     -40
sleep_main                                           474     362    -112
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/10 up/down: 109/-209)        Total: -100 bytes

1 files changed, 7 insertions, 0 deletions

diff --git a/Config.in b/Config.in
index 1cbdf6197..8de667804 100644
--- a/Config.in
+++ b/Config.in
@@ -479,6 +479,13 @@ config INCLUDE_SUSv2
 	  will be supported in head, tail, and fold.  (Note: should
 	  affect renice too.)
 
+config PARSE
+	bool "Uniform config file parser debugging applet: parse"
+
+config FEATURE_PARSE_COPY
+	bool "Keep a copy of current line"
+	depends on PARSE
+
 endmenu
 
 menu 'Installation Options'