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
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(add/remove: 1/0 grow/shrink: 0/3 up/down: 50/-89) Total: -39 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/include/libbb.h b/include/libbb.h
index 409c434..c85dab2 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -324,6 +324,7 @@
/* this helper yells "short read!" if param is not -1 */
extern void complain_copyfd_and_die(off_t sz) NORETURN FAST_FUNC;
extern char bb_process_escape_sequence(const char **ptr) FAST_FUNC;
+char* strcpy_and_process_escape_sequences(char *dst, const char *src) FAST_FUNC;
/* xxxx_strip version can modify its parameter:
* "/" -> "/"
* "abc" -> "abc"