Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/lib/xmalloc.c b/lib/xmalloc.c
new file mode 100644
index 0000000..0cde384
--- /dev/null
+++ b/lib/xmalloc.c
@@ -0,0 +1,80 @@
+/* Convenience functions for allocation.
+ Copyright (C) 2006, 2015 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <error.h>
+#include <libintl.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include "system.h"
+
+#ifndef _
+# define _(str) gettext (str)
+#endif
+
+
+/* Allocate N bytes of memory dynamically, with error checking. */
+void *
+xmalloc (size_t n)
+{
+ void *p;
+
+ p = malloc (n);
+ if (p == NULL)
+ error (EXIT_FAILURE, 0, _("memory exhausted"));
+ return p;
+}
+
+
+/* Allocate memory for N elements of S bytes, with error checking. */
+void *
+xcalloc (size_t n, size_t s)
+{
+ void *p;
+
+ p = calloc (n, s);
+ if (p == NULL)
+ error (EXIT_FAILURE, 0, _("memory exhausted"));
+ return p;
+}
+
+
+/* Change the size of an allocated block of memory P to N bytes,
+ with error checking. */
+void *
+xrealloc (void *p, size_t n)
+{
+ p = realloc (p, n);
+ if (p == NULL)
+ error (EXIT_FAILURE, 0, _("memory exhausted"));
+ return p;
+}