1 files changed, 94 insertions, 0 deletions
diff --git a/lib/malloc/xmalloc.c b/lib/malloc/xmalloc.c
new file mode 100644
index 0000000..f6dec67
--- /dev/null
+++ b/lib/malloc/xmalloc.c
@@ -0,0 +1,94 @@
+/* xmalloc.c -- safe versions of malloc and realloc */
+
+/* Copyright (C) 1991-2003 Free Software Foundation, Inc.
+
+   This file is part of GNU 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/>.
+*/
+
+#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 */
+
+/* Generic pointer type. */
+#ifndef PTR_T
+
+#if defined (__STDC__)
+#  define PTR_T void *
+#else
+#  define PTR_T char *
+#endif
+
+#endif /* PTR_T */
+
+/* **************************************************************** */
+/*								    */
+/*		   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);
+}
+
+void
+xfree (string)
+     PTR_T string;
+{
+  if (string)
+    free (string);
+}