2 files changed, 112 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-dprintf-posix2.c b/gnulib/tests/test-dprintf-posix2.c
new file mode 100644
index 0000000..5172499
--- /dev/null
+++ b/gnulib/tests/test-dprintf-posix2.c
@@ -0,0 +1,112 @@
+/* Test of POSIX compatible dprintf() function.
+   Copyright (C) 2009-2011 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/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2009.  */
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+#if HAVE_GETRLIMIT && HAVE_SETRLIMIT
+# include <sys/types.h>
+# include <sys/time.h>
+# include <sys/resource.h>
+#endif
+
+#include "resource-ext.h"
+
+/* Test against a memory leak in the fprintf replacement.  */
+
+/* Number of iterations across the loop.  */
+#define NUM_ROUNDS 1000
+
+/* Number of bytes that are allowed to escape per round.  */
+#define MAX_ALLOC_ROUND 10000
+
+/* Number of bytes that are allowed to escape in total.
+   This should be at least 10 MB, since it includes the normal memory
+   or address space of the test program.  */
+#define MAX_ALLOC_TOTAL (NUM_ROUNDS * MAX_ALLOC_ROUND)
+
+int
+main (int argc, char *argv[])
+{
+  uintptr_t initial_rusage_as;
+  int arg;
+  int result;
+
+  /* Limit the amount of malloc()ed memory to MAX_ALLOC_TOTAL or less.  */
+
+  /* On AIX systems, malloc() is limited by RLIMIT_DATA.  */
+#if HAVE_GETRLIMIT && HAVE_SETRLIMIT && defined RLIMIT_DATA
+  {
+    struct rlimit limit;
+
+    if (getrlimit (RLIMIT_DATA, &limit) >= 0)
+      {
+        if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > MAX_ALLOC_TOTAL)
+          limit.rlim_max = MAX_ALLOC_TOTAL;
+        limit.rlim_cur = limit.rlim_max;
+        (void) setrlimit (RLIMIT_DATA, &limit);
+      }
+  }
+#endif
+  /* On all systems except AIX and OpenBSD, malloc() is limited by RLIMIT_AS.
+     On some systems, setrlimit of RLIMIT_AS doesn't work but get_rusage_as ()
+     does.  Allow the address space size to grow by at most MAX_ALLOC_TOTAL.  */
+  initial_rusage_as = get_rusage_as ();
+#if !defined _AIX
+  if (initial_rusage_as == 0)
+    return 77;
+#endif
+
+  arg = atoi (argv[1]);
+  if (arg == 0)
+    {
+      void *memory = malloc (MAX_ALLOC_TOTAL);
+      if (memory == NULL)
+        return 1;
+      memset (memory, 17, MAX_ALLOC_TOTAL);
+      result = 78;
+    }
+  else
+    {
+      /* Perform the test and test whether it triggers a permanent memory
+         allocation of more than MAX_ALLOC_TOTAL bytes.  */
+      int repeat;
+
+      for (repeat = 0; repeat < NUM_ROUNDS; repeat++)
+        {
+          /* This may produce a temporary memory allocation of 11000 bytes.
+             but should not result in a permanent memory allocation.  */
+          if (dprintf (STDOUT_FILENO, "%011000d\n", 17) == -1
+              && errno == ENOMEM)
+            return 1;
+        }
+
+      result = 0;
+    }
+
+  if (get_rusage_as () > initial_rusage_as + MAX_ALLOC_TOTAL)
+    return 1;
+
+  return result;
+}