/*
 *  VAS_EBOOT  --  GRand Unified Bootloader
 *  Copyright (C) 2008,2009  Free Software Foundation, Inc.
 *
 *  VAS_EBOOT 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.
 *
 *  VAS_EBOOT 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 VAS_EBOOT.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef VAS_EBOOT_ENVBLK_HEADER
#define VAS_EBOOT_ENVBLK_HEADER	1

#define VAS_EBOOT_ENVBLK_SIGNATURE	"# VAS_EBOOT Environment Block\n"
#define VAS_EBOOT_ENVBLK_DEFCFG	"VasEBootenv"

#ifndef ASM_FILE

struct VasEBoot_envblk
{
  char *buf;
  VasEBoot_size_t size;
};
typedef struct VasEBoot_envblk *VasEBoot_envblk_t;

VasEBoot_envblk_t VasEBoot_envblk_open (char *buf, VasEBoot_size_t size);
int VasEBoot_envblk_set (VasEBoot_envblk_t envblk, const char *name, const char *value);
void VasEBoot_envblk_delete (VasEBoot_envblk_t envblk, const char *name);
void VasEBoot_envblk_iterate (VasEBoot_envblk_t envblk,
                          void *hook_data,
                          int hook (const char *name, const char *value, void *hook_data));
void VasEBoot_envblk_close (VasEBoot_envblk_t envblk);

static inline char *
VasEBoot_envblk_buffer (const VasEBoot_envblk_t envblk)
{
  return envblk->buf;
}

static inline VasEBoot_size_t
VasEBoot_envblk_size (const VasEBoot_envblk_t envblk)
{
  return envblk->size;
}

#endif /* ! ASM_FILE */

#endif /* ! VAS_EBOOT_ENVBLK_HEADER */