blob: 315ad77cfb78e0b36cd48a088f4b5f5f9756bb12 [file] [log] [blame]
// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_PLATFORM_DEFS_H__
#define __XFS_PLATFORM_DEFS_H__
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <assert.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <pthread.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/param.h>
#include <limits.h>
#include <stdbool.h>
#include <libgen.h>
#include <urcu.h>
typedef struct filldir filldir_t;
/* long and pointer must be either 32 bit or 64 bit */
#undef SIZEOF_LONG
#undef SIZEOF_CHAR_P
#define BITS_PER_LONG (SIZEOF_LONG * CHAR_BIT)
/* Check whether to define umode_t ourselves. */
#ifndef HAVE_UMODE_T
typedef unsigned short umode_t;
#endif
/* Define if you want gettext (I18N) support */
#undef ENABLE_GETTEXT
#ifdef ENABLE_GETTEXT
# include <libintl.h>
# define _(x) gettext(x)
# define N_(x) x
#else
# define _(x) (x)
# define N_(x) x
# define textdomain(d) do { } while (0)
# define bindtextdomain(d,dir) do { } while (0)
#endif
#include <locale.h>
#define IRIX_DEV_BITSMAJOR 14
#define IRIX_DEV_BITSMINOR 18
#define IRIX_DEV_MAXMAJ 0x1ff
#define IRIX_DEV_MAXMIN 0x3ffff
#define IRIX_DEV_MAJOR(dev) ((int)(((unsigned)(dev) >> IRIX_DEV_BITSMINOR) \
& IRIX_DEV_MAXMAJ))
#define IRIX_DEV_MINOR(dev) ((int)((dev) & IRIX_DEV_MAXMIN))
#define IRIX_MKDEV(major,minor) ((xfs_dev_t)(((major) << IRIX_DEV_BITSMINOR) \
| (minor&IRIX_DEV_MAXMIN)))
#define IRIX_DEV_TO_KDEVT(dev) makedev(IRIX_DEV_MAJOR(dev),IRIX_DEV_MINOR(dev))
#ifndef min
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))
#endif
#define max3(a,b,c) max(max(a, b), c)
/* If param.h doesn't provide it, i.e. for Android */
#ifndef NBBY
#define NBBY 8
#endif
#ifdef DEBUG
# define ASSERT(EX) assert(EX)
#else
# define ASSERT(EX) ((void) 0)
#endif
extern int platform_nproc(void);
#define NSEC_PER_SEC (1000000000ULL)
#define NSEC_PER_USEC (1000ULL)
/* Simplified from version in include/linux/overflow.h */
/*
* Compute a*b+c, returning SIZE_MAX on overflow. Internal helper for
* struct_size() below.
*/
static inline size_t __ab_c_size(size_t a, size_t b, size_t c)
{
return (a * b) + c;
}
#define __must_be_array(a) (0)
/**
* struct_size() - Calculate size of structure with trailing array.
* @p: Pointer to the structure.
* @member: Name of the array member.
* @count: Number of elements in the array.
*
* Calculates size of memory needed for structure @p followed by an
* array of @count number of @member elements.
*
* Return: number of bytes needed or SIZE_MAX on overflow.
*/
#define struct_size(p, member, count) \
__ab_c_size(count, \
sizeof(*(p)->member) + __must_be_array((p)->member), \
sizeof(*(p)))
/*
* Add the pseudo keyword 'fallthrough' so case statement blocks
* must end with any of these keywords:
* break;
* fallthrough;
* continue;
* goto <label>;
* return [expression];
*
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html#Statement-Attributes
*/
#if defined __has_attribute
# if __has_attribute(__fallthrough__)
# define fallthrough __attribute__((__fallthrough__))
# else
# define fallthrough do {} while (0) /* fallthrough */
# endif
#else
# define fallthrough do {} while (0) /* fallthrough */
#endif
/* Only needed for the kernel. */
#define __init
#endif /* __XFS_PLATFORM_DEFS_H__ */