grub/include/grub/env.h
2009-12-20 02:52:39 +01:00

62 lines
2 KiB
C

/*
* 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_HEADER
#define GRUB_ENV_HEADER 1
#include <grub/symbol.h>
#include <grub/err.h>
#include <grub/types.h>
#include <grub/menu.h>
struct grub_env_var;
typedef char *(*grub_env_read_hook_t) (struct grub_env_var *var,
const char *val);
typedef char *(*grub_env_write_hook_t) (struct grub_env_var *var,
const char *val);
struct grub_env_var
{
char *name;
char *value;
grub_env_read_hook_t read_hook;
grub_env_write_hook_t write_hook;
struct grub_env_var *next;
struct grub_env_var **prevp;
int global;
};
grub_err_t EXPORT_FUNC(grub_env_set) (const char *name, const char *val);
char *EXPORT_FUNC(grub_env_get) (const char *name);
void EXPORT_FUNC(grub_env_unset) (const char *name);
void EXPORT_FUNC(grub_env_iterate) (int (*func) (struct grub_env_var *var));
struct grub_env_var *EXPORT_FUNC(grub_env_find) (const char *name);
grub_err_t EXPORT_FUNC(grub_register_variable_hook) (const char *name,
grub_env_read_hook_t read_hook,
grub_env_write_hook_t write_hook);
grub_err_t grub_env_context_open (int export);
grub_err_t grub_env_context_close (void);
grub_err_t grub_env_export (const char *name);
void grub_env_unset_menu (void);
grub_menu_t grub_env_get_menu (void);
void grub_env_set_menu (grub_menu_t nmenu);
#endif /* ! GRUB_ENV_HEADER */