2 files changed, 121 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/lib/safe-alloc.h b/gnulib/lib/safe-alloc.h
new file mode 100644
index 0000000..269d1bf
--- /dev/null
+++ b/gnulib/lib/safe-alloc.h
@@ -0,0 +1,121 @@
+/* safe-alloc.h: safer memory allocation
+
+   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 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 Daniel Berrange <berrange@redhat.com>, 2008 */
+
+#ifndef SAFE_ALLOC_H_
+# define SAFE_ALLOC_H_
+
+# include <stdlib.h>
+
+#ifndef __GNUC_PREREQ
+# if defined __GNUC__ && defined __GNUC_MINOR__
+#  define __GNUC_PREREQ(maj, min)                                       \
+  ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+# else
+#  define __GNUC_PREREQ(maj, min) 0
+# endif
+#endif
+
+# ifndef _GL_ATTRIBUTE_RETURN_CHECK
+#  if __GNUC_PREREQ (3, 4)
+#   define _GL_ATTRIBUTE_RETURN_CHECK __attribute__((__warn_unused_result__))
+#  else
+#   define _GL_ATTRIBUTE_RETURN_CHECK
+#  endif
+# endif
+
+/* Don't call these directly - use the macros below */
+int
+safe_alloc_alloc_n (void *ptrptr, size_t size, size_t count, int zeroed)
+  _GL_ATTRIBUTE_RETURN_CHECK;
+
+int
+safe_alloc_realloc_n (void *ptrptr, size_t size, size_t count)
+  _GL_ATTRIBUTE_RETURN_CHECK;
+
+/**
+ * ALLOC:
+ * @ptr: pointer to hold address of allocated memory
+ *
+ * Allocate sizeof(*ptr) bytes of memory and store
+ * the address of allocated memory in 'ptr'. Fill the
+ * newly allocated memory with zeros.
+ *
+ * Return -1 on failure to allocate, zero on success
+ */
+# define ALLOC(ptr)                                     \
+  safe_alloc_alloc_n (&(ptr), sizeof (*(ptr)), 1, 1)
+
+/**
+ * ALLOC_N:
+ * @ptr: pointer to hold address of allocated memory
+ * @count: number of elements to allocate
+ *
+ * Allocate an array of 'count' elements, each sizeof(*ptr)
+ * bytes long and store the address of allocated memory in
+ * 'ptr'. Fill the newly allocated memory with zeros.
+ *
+ * Return -1 on failure, 0 on success
+ */
+# define ALLOC_N(ptr, count)                                    \
+  safe_alloc_alloc_n (&(ptr), sizeof (*(ptr)), (count), 1)
+
+/**
+ * ALLOC_N_UNINITIALIZED:
+ * @ptr: pointer to hold address of allocated memory
+ * @count: number of elements to allocate
+ *
+ * Allocate an array of 'count' elements, each sizeof(*ptr)
+ * bytes long and store the address of allocated memory in
+ * 'ptr'. Do not initialize the new memory at all.
+ *
+ * Return -1 on failure to allocate, zero on success
+ */
+# define ALLOC_N_UNINITIALIZED(ptr, count)                      \
+  safe_alloc_alloc_n (&(ptr), sizeof (*(ptr)), (count), 0)
+
+/**
+ * REALLOC_N:
+ * @ptr: pointer to hold address of allocated memory
+ * @count: number of elements to allocate
+ *
+ * Re-allocate an array of 'count' elements, each sizeof(*ptr)
+ * bytes long and store the address of allocated memory in
+ * 'ptr'. Fill the newly allocated memory with zeros
+ *
+ * Return -1 on failure to reallocate, zero on success
+ */
+# define REALLOC_N(ptr, count)                                  \
+  safe_alloc_realloc_n (&(ptr), sizeof (*(ptr)), (count))
+
+/**
+ * FREE:
+ * @ptr: pointer holding address to be freed
+ *
+ * Free the memory stored in 'ptr' and update to point
+ * to NULL.
+ */
+# define FREE(ptr)                              \
+  do                                            \
+    {                                           \
+      free (ptr);                               \
+      (ptr) = NULL;                             \
+    }                                           \
+  while (0)
+
+#endif /* SAFE_ALLOC_H_ */