libbb: introduce and use strcpy_and_process_escape_sequences

function                                             old     new   delta
strcpy_and_process_escape_sequences                    -      50     +50
bb_process_escape_sequence                           148     138     -10
printf_main                                          789     776     -13
getty_main                                          1897    1831     -66
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/3 up/down: 50/-89)            Total: -39 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 13 deletions

diff --git a/libbb/parse_config.c b/libbb/parse_config.c
index 3fff9f212..9dbfaf5d7 100644
--- a/libbb/parse_config.c
+++ b/libbb/parse_config.c
@@ -187,19 +187,7 @@ again:
 
 #if 0 /* unused so far */
                 if (flags & PARSE_ESCAPE) {
-                        const char *from;
-                        char *to;
-
-                        from = to = tokens[t];
-                        while (*from) {
-                                if (*from == '\\') {
-                                        from++;
-                                        *to++ = bb_process_escape_sequence(&from);
-                                } else {
-                                        *to++ = *from++;
-                                }
-                        }
-                        *to = '\0';
+                        strcpy_and_process_escape_sequences(tokens[t], tokens[t]);
                 }
 #endif
                 /* Skip possible delimiters */