1 files changed, 37 insertions, 0 deletions
diff --git a/mysys/mf_fn_ext.c b/mysys/mf_fn_ext.c
index 47fc67cabbd..cbf0d5dd9e4 100644
--- a/mysys/mf_fn_ext.c
+++ b/mysys/mf_fn_ext.c
@@ -52,3 +52,40 @@ char *fn_ext(const char *name)
   pos=strchr(gpos,FN_EXTCHAR);
   DBUG_RETURN((char*) (pos ? pos : strend(gpos)));
 } /* fn_ext */
+
+
+/*
+  Return a pointer to the extension of the filename.
+
+  SYNOPSIS
+    fn_ext()
+    name		Name of file
+
+  DESCRIPTION
+    The extension is defined as everything after the last extension character
+    (normally '.') after the directory name.
+
+  RETURN VALUES
+    Pointer to to the extension character. If there isn't any extension,
+    points at the end ASCII(0) of the filename.
+*/
+
+char *fn_ext2(const char *name)
+{
+  register const char *pos, *gpos;
+  DBUG_ENTER("fn_ext");
+  DBUG_PRINT("mfunkt",("name: '%s'",name));
+
+#if defined(FN_DEVCHAR) || defined(BASKSLASH_MBTAIL)
+  {
+    char buff[FN_REFLEN];
+    size_t res_length;
+    gpos= name+ dirname_part(buff,(char*) name, &res_length);
+  }
+#else
+  if (!(gpos= strrchr(name, FN_LIBCHAR)))
+    gpos= name;
+#endif
+  pos=strrchr(gpos,FN_EXTCHAR);
+  DBUG_RETURN((char*) (pos ? pos : strend(gpos)));
+} /* fn_ext */