avoid signed<->unsigned warning

[oweals/busybox.git] / libbb / change_identity.c

diff --git a/libbb/change_identity.c b/libbb/change_identity.c
index c2b73eeb8bc56621e61331bf4f65094a9fbb3546..adebad8ed280bd9f6cfb141c3cdfbdaf4067f816 100644 (file)
--- a/libbb/change_identity.c
+++ b/libbb/change_identity.c
@@ -40,15 +40,23 @@
 
 
 /* Become the user and group(s) specified by PW.  */
-void change_identity ( const struct passwd *pw )
+const char *change_identity_e2str ( const struct passwd *pw )
 {
        if ( initgroups ( pw-> pw_name, pw-> pw_gid ) == -1 )
-               bb_perror_msg_and_die ( "cannot set groups" );
+               return "cannot set groups";
        endgrent ( );
 
        if ( setgid ( pw-> pw_gid ))
-               bb_perror_msg_and_die ( "cannot set group id" );
+               return "cannot set group id";
        if ( setuid ( pw->pw_uid ))
-               bb_perror_msg_and_die ( "cannot set user id" );
+               return "cannot set user id";
+       return NULL;
 }
 
+void change_identity ( const struct passwd *pw )
+{
+       const char *err_msg = change_identity_e2str(pw);
+
+       if(err_msg)
+               bb_perror_msg_and_die ( "%s", err_msg );
+}