1 files changed, 38 insertions, 0 deletions
diff --git a/src/libs/libgroff/assert.cpp b/src/libs/libgroff/assert.cpp
new file mode 100644
index 0000000..9da3d46
--- /dev/null
+++ b/src/libs/libgroff/assert.cpp
@@ -0,0 +1,38 @@
+/* Copyright (C) 1989-2020 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 3 of the License, 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 this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+extern "C" const char *program_name;
+
+void assertion_failed(int lineno, const char *filename,
+                      const char *function, const char *msg)
+{
+  if (program_name != 0)
+    fprintf(stderr, "%s: ", program_name);
+  fprintf(stderr, "%s:%d: %s(): assertion failed: '%s'\n", filename,
+	  lineno, function, msg);
+  fflush(stderr);
+  abort();
+}