From 772f20abb0a3a0979c440114bf3a1cff5b3cef03 Mon Sep 17 00:00:00 2001
From: cvpcs <root@cvpcs.org>
Date: Wed, 2 Jun 2010 11:02:31 -0500
Subject: initial import of bash 4.1

---
 lib/readline/xmalloc.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 lib/readline/xmalloc.c

(limited to 'lib/readline/xmalloc.c')

diff --git a/lib/readline/xmalloc.c b/lib/readline/xmalloc.c
new file mode 100644
index 0000000..97d8f2e
--- /dev/null
+++ b/lib/readline/xmalloc.c
@@ -0,0 +1,89 @@
+/* xmalloc.c -- safe versions of malloc and realloc */
+
+/* Copyright (C) 1991-2009 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library (Readline), a library
+   for reading lines of text with interactive input and history editing.      
+
+   Readline 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.
+
+   Readline 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 Readline.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#include <stdio.h>
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include "xmalloc.h"
+
+/* **************************************************************** */
+/*								    */
+/*		   Memory Allocation and Deallocation.		    */
+/*								    */
+/* **************************************************************** */
+
+static void
+memory_error_and_abort (fname)
+     char *fname;
+{
+  fprintf (stderr, "%s: out of virtual memory\n", fname);
+  exit (2);
+}
+
+/* Return a pointer to free()able block of memory large enough
+   to hold BYTES number of bytes.  If the memory cannot be allocated,
+   print an error message and abort. */
+PTR_T
+xmalloc (bytes)
+     size_t bytes;
+{
+  PTR_T temp;
+
+  temp = malloc (bytes);
+  if (temp == 0)
+    memory_error_and_abort ("xmalloc");
+  return (temp);
+}
+
+PTR_T
+xrealloc (pointer, bytes)
+     PTR_T pointer;
+     size_t bytes;
+{
+  PTR_T temp;
+
+  temp = pointer ? realloc (pointer, bytes) : malloc (bytes);
+
+  if (temp == 0)
+    memory_error_and_abort ("xrealloc");
+  return (temp);
+}
+
+/* Use this as the function to call when adding unwind protects so we
+   don't need to know what free() returns. */
+void
+xfree (string)
+     PTR_T string;
+{
+  if (string)
+    free (string);
+}
-- 
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