1 files changed, 78 insertions, 0 deletions
diff --git a/gnu/usr.bin/texinfo/makedoc/xmalloc.c b/gnu/usr.bin/texinfo/makedoc/xmalloc.c
new file mode 100644
index 0000000..6ebb84c
--- /dev/null
+++ b/gnu/usr.bin/texinfo/makedoc/xmalloc.c
@@ -0,0 +1,78 @@
+/* xmalloc.c -- safe versions of malloc and realloc */
+
+/* This file is part of GNU Info, a program for reading online documentation
+   stored in Info format.
+
+   This file has appeared in prior works by the Free Software Foundation;
+   thus it carries copyright dates from 1988 through 1993.
+
+   Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993 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 2, 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   Written by Brian Fox (bfox@ai.mit.edu). */
+
+#if !defined (ALREADY_HAVE_XMALLOC)
+#include <stdio.h>
+
+static void memory_error_and_abort ();
+
+/* **************************************************************** */
+/*								    */
+/*		   Memory Allocation and Deallocation.		    */
+/*								    */
+/* **************************************************************** */
+
+/* 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. */
+void *
+xmalloc (bytes)
+     int bytes;
+{
+  void *temp = (void *)malloc (bytes);
+
+  if (!temp)
+    memory_error_and_abort ("xmalloc");
+  return (temp);
+}
+
+void *
+xrealloc (pointer, bytes)
+     void *pointer;
+     int bytes;
+{
+  void *temp;
+
+  if (!pointer)
+    temp = (void *)malloc (bytes);
+  else
+    temp = (void *)realloc (pointer, bytes);
+
+  if (!temp)
+    memory_error_and_abort ("xrealloc");
+
+  return (temp);
+}
+
+static void
+memory_error_and_abort (fname)
+     char *fname;
+{
+  fprintf (stderr, "%s: Out of virtual memory!\n", fname);
+  abort ();
+}
+#endif /* !ALREADY_HAVE_XMALLOC */