1 files changed, 43 insertions, 0 deletions
diff --git a/lib/concat4.c b/lib/concat4.c
new file mode 100644
index 0000000..f8b3d06
--- /dev/null
+++ b/lib/concat4.c
@@ -0,0 +1,43 @@
+/* concat4.c: concatenate four strings.
+
+Copyright (C) 1992 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.  */
+
+#include "config.h"
+
+string
+concat4 P4C(const_string, s1, const_string, s2, const_string, s3, 
+	    const_string, s4)
+{
+  string answer = NULL; 
+  
+  assert (s1 != NULL);
+  assert (s2 != NULL);
+  assert (s3 != NULL);
+  assert (s4 != NULL);
+  
+  if (s1 != NULL && s2 != NULL && s3 != NULL && s4 != NULL)
+    {
+      answer = (string) xmalloc (strlen (s1) + strlen (s2) 
+			         + strlen (s3) + strlen (s4) + 1); 
+      strcpy (answer, s1);
+      strcat (answer, s2);
+      strcat (answer, s3);
+      strcat (answer, s4);
+    }
+
+  return answer;
+}