1 files changed, 39 insertions, 0 deletions
diff --git a/gnu/usr.bin/groff/libgroff/assert.cc b/gnu/usr.bin/groff/libgroff/assert.cc
new file mode 100644
index 000000000000..1dc0745168e5
--- /dev/null
+++ b/gnu/usr.bin/groff/libgroff/assert.cc
@@ -0,0 +1,39 @@
+/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+     Written by James Clark (jjc@jclark.com)
+
+This file is part of groff.
+
+groff 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.
+
+groff 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 groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+extern "C" {
+#include <stdio.h>
+#include <stdlib.h>
+}
+#include "assert.h"
+
+extern const char *program_name;
+
+#ifdef __GNUG__
+volatile
+#endif
+void assertion_failed(int lineno, const char *filename)
+{
+  if (program_name != 0)
+    fprintf(stderr, "%s: ", program_name);
+  fprintf(stderr, "Failed assertion at line %d, file `%s'.\n",
+	  lineno, filename);
+  fflush(stderr);
+  abort();
+}