Cleaup read() and write() variants, plus a couple of new functions like

xlseek and fdlength() for the new mkswap.

1 files changed, 2 insertions, 4 deletions

diff --git a/libbb/change_identity.c b/libbb/change_identity.c
index adebad8ed..74ffccbd3 100644
--- a/libbb/change_identity.c
+++ b/libbb/change_identity.c
@@ -46,10 +46,8 @@ const char *change_identity_e2str ( const struct passwd *pw )
                 return "cannot set groups";
         endgrent ( );
 
-        if ( setgid ( pw-> pw_gid ))
-                return "cannot set group id";
-        if ( setuid ( pw->pw_uid ))
-                return "cannot set user id";
+        xsetgid(pw-> pw_gid);
+        xsetuid(pw->pw_uid);
         return NULL;
 }