Copy a few files from LPlib (a new project of mine), add a wrapper.

Now we have directory reading capabilities for VMS as well, and all
of it in a fairly general manner.

crypto/o_dir_test.c

@@ -0,0 +1,70 @@
+/* crypto/o_dir.h -*- mode:C; c-file-style: "eay" -*- */
+/* Copied from Richard Levitte's (richard@levitte.org) LP library.  All
+ * symbol names have been changed, with permission from the author.
+ */
+
+/* $LP: LPlib/test/test_dir.c,v 1.1 2004/06/16 22:59:47 _cvs_levitte Exp $ */
+/*
+ * Copyright (c) 2004, Richard Levitte <richard@levitte.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include "e_os2.h"
+#include "o_dir.h"
+
+#if defined OPENSSL_SYS_UNIX || defined OPENSSL_SYS_WIN32 || defined OPENSSL_SYS_WINCE
+#define CURRDIR "."
+#elif defined OPENSSL_SYS_VMS
+#define CURRDIR "SYS$DISK:[]"
+#else
+#error "No supported platform defined!"
+#endif
+
+int main()
+{
+  OPENSSL_DIR_CTX *ctx = NULL;
+  const char *result;
+
+  while((result = OPENSSL_DIR_read(&ctx, CURRDIR)) != NULL)
+    {
+      printf("%s\n", result);
+    }
+
+  if (errno)
+    {
+      perror("test_dir");
+      exit(1);
+    }
+
+  if (!OPENSSL_DIR_end(&ctx))
+    {
+      perror("test_dir");
+      exit(2);
+    }
+  exit(0);
+}