libbb: add skip_dev_pfx()

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

2 files changed, 7 insertions, 8 deletions

diff --git a/libbb/skip_whitespace.c b/libbb/skip_whitespace.c
index 7b123261b..f5a61a3cf 100644
--- a/libbb/skip_whitespace.c
+++ b/libbb/skip_whitespace.c
@@ -30,3 +30,10 @@ char* FAST_FUNC skip_non_whitespace(const char *s)
 
         return (char *) s;
 }
+
+char* FAST_FUNC skip_dev_pfx(const char *tty_name)
+{
+        if (strncmp(tty_name, "/dev/", 5) == 0)
+                tty_name += 5;
+        return (char*)tty_name;
+}
diff --git a/libbb/utmp.c b/libbb/utmp.c
index d6ba336e3..68c358e9a 100644
--- a/libbb/utmp.c
+++ b/libbb/utmp.c
@@ -15,14 +15,6 @@ static void touch(const char *filename)
                 close(open(filename, O_WRONLY | O_CREAT, 0664));
 }
 
-// TODO: move to libbb
-static const char* skip_dev_pfx(const char *tty_name)
-{
-        if (strncmp(tty_name, "/dev/", 5) == 0)
-                tty_name += 5;
-        return tty_name;
-}
-
 void FAST_FUNC write_new_utmp(pid_t pid, int new_type, const char *tty_name, const char *username, const char *hostname)
 {
         struct utmp utent;