blob: 0fe8a572d69d44a84d136676a2aeec247f6ec88d [file] [log] [blame]
/* ----> DO NOT REMOVE THE FOLLOWING NOTICE <----
Copyright (c) 2014-2015 Datalight, Inc.
All Rights Reserved Worldwide.
This program 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; use version 2 of the License.
This program is distributed in the hope that it will be useful,
but "AS-IS," 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Businesses and individuals that for commercial or other reasons cannot
comply with the terms of the GPLv2 license may obtain a commercial license
before incorporating Reliance Edge into proprietary software for
distribution in any form. Visit http://www.datalight.com/reliance-edge for
more information.
*/
/** @file
*/
#ifndef REDMACS_H
#define REDMACS_H
#ifndef NULL
#define NULL ((void *)0)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX (0xFFU)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX (0xFFFFU)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX (0xFFFFFFFFU)
#endif
#ifndef UINT64_MAX
#define UINT64_MAX UINT64_SUFFIX(0xFFFFFFFFFFFFFFFF)
#endif
#ifndef INT32_MAX
#define INT32_MAX (0x7FFFFFFF)
#endif
#ifndef INT64_MAX
#define INT64_MAX INT64_SUFFIX(0x7FFFFFFFFFFFFFFF)
#endif
#ifndef true
#define true (1)
#endif
#ifndef false
#define false (0)
#endif
#define SECTOR_SIZE_MIN (256U)
#if REDCONF_BLOCK_SIZE == 256U
#define BLOCK_SIZE_P2 8U
#elif REDCONF_BLOCK_SIZE == 512U
#define BLOCK_SIZE_P2 9U
#elif REDCONF_BLOCK_SIZE == 1024U
#define BLOCK_SIZE_P2 10U
#elif REDCONF_BLOCK_SIZE == 2048U
#define BLOCK_SIZE_P2 11U
#elif REDCONF_BLOCK_SIZE == 4096U
#define BLOCK_SIZE_P2 12U
#elif REDCONF_BLOCK_SIZE == 8192U
#define BLOCK_SIZE_P2 13U
#elif REDCONF_BLOCK_SIZE == 16384U
#define BLOCK_SIZE_P2 14U
#elif REDCONF_BLOCK_SIZE == 32768U
#define BLOCK_SIZE_P2 15U
#elif REDCONF_BLOCK_SIZE == 65536U
#define BLOCK_SIZE_P2 16U
#else
#error "REDCONF_BLOCK_SIZE must be a power of two value between 256 and 65536"
#endif
#define REDMIN(a, b) (((a) < (b)) ? (a) : (b))
#define INODE_INVALID (0U) /* General-purpose invalid inode number (must be zero). */
#define INODE_FIRST_VALID (2U) /* First valid inode number. */
#define INODE_ROOTDIR (INODE_FIRST_VALID) /* Inode number of the root directory. */
/* Expands to a "const" qualifier when the volume count is one, otherwise
expands to nothing. This is useful for variables that never change in
single-volume configurations but do change in multi-volume configurations.
*/
#if REDCONF_VOLUME_COUNT == 1U
#define CONST_IF_ONE_VOLUME const
#else
#define CONST_IF_ONE_VOLUME
#endif
#endif