*: conversion to config parser

function                                             old     new   delta
config_read                                          540     597     +57
config_open2                                          41      44      +3
rtnl_rtprot_initialize                                70      66      -4
rtnl_rttable_initialize                               78      73      -5
rtnl_rtscope_initialize                               88      83      -5
rtnl_rtrealm_initialize                               48      43      -5
rtnl_rtdsfield_initialize                             48      43      -5
process_module                                       566     560      -6
bbunpack                                             391     383      -8
rtnl_tab_initialize                                  279     121    -158
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/8 up/down: 60/-196)          Total: -136 bytes

1 files changed, 14 insertions, 2 deletions

diff --git a/libbb/parse_config.c b/libbb/parse_config.c
index d1b29218b..83dc997f6 100644
--- a/libbb/parse_config.c
+++ b/libbb/parse_config.c
@@ -66,8 +66,7 @@ parser_t* FAST_FUNC config_open2(const char *filename, FILE* FAST_FUNC (*fopen_f
         parser->fp = fopen_func(filename);
         if (parser->fp)
                 return parser;
-        if (ENABLE_FEATURE_CLEAN_UP)
-                free(parser);
+        free(parser);
         return NULL;
 }
 
@@ -212,6 +211,19 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const
                 if ((flags & (PARSE_DONT_REDUCE|PARSE_DONT_TRIM)) || *line) {
                         //bb_info_msg("N[%d] T[%s]", ii, line);
                         tokens[ii++] = line;
+                        // process escapes in token
+                        if (flags & PARSE_ESCAPE) {
+                                char *s = line;
+                                while (*s) {
+                                        if (*s == '\\') {
+                                                s++;
+                                                *line++ = bb_process_escape_sequence((const char **)&s);
+                                        } else {
+                                                *line++ = *s++;
+                                        }
+                                }
+                                *line = '\0';
+                        }
                 }
                 line = q;
                 //bb_info_msg("A[%s]", line);