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, 9 deletions

diff --git a/e2fsprogs/old_e2fsprogs/fsck.c b/e2fsprogs/old_e2fsprogs/fsck.c
index 524b84652..3a0743bb1 100644
--- a/e2fsprogs/old_e2fsprogs/fsck.c
+++ b/e2fsprogs/old_e2fsprogs/fsck.c
@@ -349,15 +349,7 @@ static void parse_escape(char *word)
         if (!word)
                 return;
 
-        for (p = q = word; *p; q++) {
-                c = *p++;
-                if (c != '\\') {
-                        *q = c;
-                } else {
-                        *q = bb_process_escape_sequence(&p);
-                }
-        }
-        *q = 0;
+        strcpy_and_process_escape_sequences(word, word);
 }
 
 static void free_instance(struct fsck_instance *i)