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-rw-r--r--include/grub/env_private.h46
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diff --git a/include/grub/env_private.h b/include/grub/env_private.h
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+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2003,2005,2006,2007,2009 Free Software Foundation, Inc.
+ *
+ * GRUB 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.
+ *
+ * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_ENV_PRIVATE_HEADER
+#define GRUB_ENV_PRIVATE_HEADER 1
+
+#include <grub/env.h>
+
+/* The size of the hash table. */
+#define HASHSZ 13
+
+/* A hashtable for quick lookup of variables. */
+struct grub_env_context
+{
+ /* A hash table for variables. */
+ struct grub_env_var *vars[HASHSZ];
+
+ /* One level deeper on the stack. */
+ struct grub_env_context *prev;
+};
+
+/* This is used for sorting only. */
+struct grub_env_sorted_var
+{
+ struct grub_env_var *var;
+ struct grub_env_sorted_var *next;
+};
+
+extern struct grub_env_context *EXPORT_VAR(grub_current_context);
+
+#endif /* ! GRUB_ENV_PRIVATE_HEADER */