chown: stop accepting deprecated USER.GROUP syntax, only : separator is allowed

function                                             old     new   delta
parse_chown_usergroup_or_die                         115      94     -21

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

1 files changed, 1 insertions, 5 deletions

diff --git a/libpwdgrp/uidgid_get.c b/libpwdgrp/uidgid_get.c
index 283ac78fc..d76eb8298 100644
--- a/libpwdgrp/uidgid_get.c
+++ b/libpwdgrp/uidgid_get.c
@@ -93,11 +93,7 @@ void FAST_FUNC parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_gr
         u->uid = u->gid = (gid_t)-1L;
 
         /* Check if there is a group name */
-        group = strchr(user_group, '.'); /* deprecated? */
-        if (!group)
-                group = strchr(user_group, ':');
-        else
-                *group = ':'; /* replace '.' with ':' */
+        group = strchr(user_group, ':');
 
         /* Parse "user[:[group]]" */
         if (!group) { /* "user" */