nobu	2013-11-05 17:10:34 +0900 (Tue, 05 Nov 2013)

  New Revision: 43538

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43538

  Log:
    pty.c: check error of seteuid
    
    * ext/pty/pty.c (chfunc): check error of seteuid and return error
      message, to suppress unused-value warning.

  Modified files:
    trunk/ext/pty/pty.c
Index: ext/pty/pty.c
===================================================================
--- ext/pty/pty.c	(revision 43537)
+++ ext/pty/pty.c	(revision 43538)
@@ -144,7 +144,7 @@ chfunc(void *data, char *errbuf, size_t https://github.com/ruby/ruby/blob/trunk/ext/pty/pty.c#L144
     dup2(slave,2);
     close(slave);
 #if defined(HAVE_SETEUID) || defined(HAVE_SETREUID) || defined(HAVE_SETRESUID)
-    seteuid(getuid());
+    if (seteuid(getuid())) ERROR_EXIT("seteuid()");
 #endif
 
     return rb_exec_async_signal_safe(carg->eargp, errbuf, sizeof(errbuf_len));

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