2 files changed, 173 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-ptsname.c b/gnulib/tests/test-ptsname.c
new file mode 100644
index 0000000..921367c
--- /dev/null
+++ b/gnulib/tests/test-ptsname.c
@@ -0,0 +1,173 @@
+/* Test of ptsname(3).
+   Copyright (C) 2010-2011 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (ptsname, char *, (int));
+
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "same-inode.h"
+
+#include "macros.h"
+
+/* Compare two slave names.
+   On some systems, there are hard links in the /dev/ directory.
+   For example, on OSF/1 5.1,
+     /dev/ttyp0 == /dev/pts/0
+     /dev/ttyp9 == /dev/pts/9
+     /dev/ttypa == /dev/pts/10
+     /dev/ttype == /dev/pts/14
+ */
+static int
+same_slave (const char *slave_name1, const char *slave_name2)
+{
+  struct stat statbuf1;
+  struct stat statbuf2;
+
+  return (strcmp (slave_name1, slave_name2) == 0
+          || (stat (slave_name1, &statbuf1) >= 0
+              && stat (slave_name2, &statbuf2) >= 0
+              && SAME_INODE (statbuf1, statbuf2)));
+}
+
+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;
+
+    /* Open the controlling tty of the current process.  */
+    fd = open ("/dev/tty", O_RDONLY);
+    if (fd < 0)
+      {
+        fprintf (stderr, "Skipping test: cannot open controlling tty\n");
+        return 77;
+      }
+
+    result = ptsname (fd);
+    /* The result is usually NULL, because /dev/tty is a slave, not a
+       master.  */
+    if (result != NULL)
+      {
+        ASSERT (memcmp (result, "/dev/", 5) == 0);
+      }
+
+    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;
+    int char2;
+
+    for (char1 = 'p'; char1 <= 'w'; char1++)
+      for (char2 = '0'; char2 <= 'f'; (char2 == '9' ? char2 = 'a' : char2++))
+        {
+          char master_name[32];
+          int fd;
+
+          sprintf (master_name, "/dev/pty%c%c", char1, char2);
+          fd = open (master_name, O_RDONLY);
+          if (fd >= 0)
+            {
+              char *result;
+              char slave_name[32];
+
+              result = ptsname (fd);
+              ASSERT (result != NULL);
+              sprintf (slave_name, "/dev/tty%c%c", char1, char2);
+              ASSERT (same_slave (result, slave_name));
+
+              close (fd);
+            }
+        }
+  }
+
+  /* Try various master names of *BSD: /dev/pty[p-sP-S][0-9a-v]  */
+  {
+    int upper;
+    int char1;
+    int char2;
+
+    for (upper = 0; upper <= 1; upper++)
+      for (char1 = (upper ? 'P' : 'p'); char1 <= (upper ? 'S' : 's'); char1++)
+        for (char2 = '0'; char2 <= 'v'; (char2 == '9' ? char2 = 'a' : char2++))
+          {
+            char master_name[32];
+            int fd;
+
+            sprintf (master_name, "/dev/pty%c%c", char1, char2);
+            fd = open (master_name, O_RDONLY);
+            if (fd >= 0)
+              {
+                char *result;
+                char slave_name[32];
+
+                result = ptsname (fd);
+                ASSERT (result != NULL);
+                sprintf (slave_name, "/dev/tty%c%c", char1, char2);
+                ASSERT (same_slave (result, slave_name));
+
+                close (fd);
+              }
+          }
+  }
+
+#endif
+
+  return 0;
+}