libbb: move nuke_str() from passwd into libbb

function                                             old     new   delta
nuke_str                                               -      15     +15
ask_and_check_password_extended                      215     206      -9
init_main                                            781     771     -10
nuke_str                                              27       -     -27
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/2 up/down: 15/-46)            Total: -31 bytes

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

1 files changed, 0 insertions, 5 deletions

diff --git a/loginutils/passwd.c b/loginutils/passwd.c
index a7006f054..150908932 100644
--- a/loginutils/passwd.c
+++ b/loginutils/passwd.c
@@ -17,11 +17,6 @@
 #include <syslog.h>
 #include <sys/resource.h> /* setrlimit */
 
-static void nuke_str(char *str)
-{
-        if (str) memset(str, 0, strlen(str));
-}
-
 static char* new_password(const struct passwd *pw, uid_t myuid, const char *algo)
 {
         char salt[MAX_PW_SALT_LEN];