Merge branch 'stable'

[gnulib.git] / tests / test-ptsname.c

diff --git a/tests/test-ptsname.c b/tests/test-ptsname.c
index 8c95100..ab33e36 100644 (file)
--- a/tests/test-ptsname.c
+++ b/tests/test-ptsname.c
@@ -1,5 +1,5 @@
 /* Test of ptsname(3).
-   Copyright (C) 2010 Free Software Foundation, Inc.
+   Copyright (C) 2010-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -22,6 +22,7 @@
 SIGNATURE_CHECK (ptsname, char *, (int));
 
 #include <fcntl.h>
+#include <signal.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
@@ -54,6 +55,13 @@ same_slave (const char *slave_name1, const char *slave_name2)
 int
 main (void)
 {
+#if HAVE_DECL_ALARM
+  /* Declare failure if test takes too long, by using default abort
+     caused by SIGALRM.  */
+  signal (SIGALRM, SIG_DFL);
+  alarm (5);
+#endif
+
   {
     int fd;
     char *result;
@@ -77,6 +85,30 @@ main (void)
     close (fd);
   }
 
+#if defined __sun
+  /* Solaris has BSD-style /dev/pty[p-r][0-9a-f] files, but the function
+     ptsname() does not work on them.  */
+  {
+    int fd;
+    char *result;
+
+    /* Open the controlling tty of the current process.  */
+    fd = open ("/dev/ptmx", O_RDWR | O_NOCTTY);
+    if (fd < 0)
+      {
+        fprintf (stderr, "Skipping test: cannot open pseudo-terminal\n");
+        return 77;
+      }
+
+    result = ptsname (fd);
+    ASSERT (result != NULL);
+    ASSERT (memcmp (result, "/dev/pts/", 9) == 0);
+
+    close (fd);
+  }
+
+#else
+
   /* Try various master names of MacOS X: /dev/pty[p-w][0-9a-f]  */
   {
     int char1;
@@ -135,5 +167,7 @@ main (void)
           }
   }
 
+#endif
+
   return 0;
 }