forked from mirrors/linux
f7589f28d7
This can make the intent behind some arithmetic expressions clearer. Signed-off-by: Bryan O'Sullivan <bos@pathscale.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
186 lines
4 KiB
C
186 lines
4 KiB
C
#ifndef _LINUX_TYPES_H
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#define _LINUX_TYPES_H
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#ifdef __KERNEL__
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#include <linux/config.h>
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#define BITS_TO_LONGS(bits) \
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(((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
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#define DECLARE_BITMAP(name,bits) \
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unsigned long name[BITS_TO_LONGS(bits)]
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#define BITS_PER_BYTE 8
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#endif
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#include <linux/posix_types.h>
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#include <asm/types.h>
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#ifndef __KERNEL_STRICT_NAMES
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typedef __u32 __kernel_dev_t;
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typedef __kernel_fd_set fd_set;
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typedef __kernel_dev_t dev_t;
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typedef __kernel_ino_t ino_t;
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typedef __kernel_mode_t mode_t;
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typedef __kernel_nlink_t nlink_t;
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typedef __kernel_off_t off_t;
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typedef __kernel_pid_t pid_t;
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typedef __kernel_daddr_t daddr_t;
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typedef __kernel_key_t key_t;
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typedef __kernel_suseconds_t suseconds_t;
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typedef __kernel_timer_t timer_t;
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typedef __kernel_clockid_t clockid_t;
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typedef __kernel_mqd_t mqd_t;
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#ifdef __KERNEL__
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typedef __kernel_uid32_t uid_t;
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typedef __kernel_gid32_t gid_t;
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typedef __kernel_uid16_t uid16_t;
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typedef __kernel_gid16_t gid16_t;
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#ifdef CONFIG_UID16
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/* This is defined by include/asm-{arch}/posix_types.h */
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typedef __kernel_old_uid_t old_uid_t;
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typedef __kernel_old_gid_t old_gid_t;
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#endif /* CONFIG_UID16 */
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/* libc5 includes this file to define uid_t, thus uid_t can never change
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* when it is included by non-kernel code
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*/
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#else
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typedef __kernel_uid_t uid_t;
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typedef __kernel_gid_t gid_t;
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#endif /* __KERNEL__ */
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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typedef __kernel_loff_t loff_t;
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#endif
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/*
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* The following typedefs are also protected by individual ifdefs for
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* historical reasons:
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*/
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#ifndef _SIZE_T
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#define _SIZE_T
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typedef __kernel_size_t size_t;
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#endif
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#ifndef _SSIZE_T
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#define _SSIZE_T
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typedef __kernel_ssize_t ssize_t;
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#endif
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#ifndef _PTRDIFF_T
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#define _PTRDIFF_T
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typedef __kernel_ptrdiff_t ptrdiff_t;
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#endif
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#ifndef _TIME_T
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#define _TIME_T
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typedef __kernel_time_t time_t;
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#endif
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#ifndef _CLOCK_T
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#define _CLOCK_T
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typedef __kernel_clock_t clock_t;
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#endif
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#ifndef _CADDR_T
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#define _CADDR_T
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typedef __kernel_caddr_t caddr_t;
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#endif
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/* bsd */
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typedef unsigned char u_char;
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typedef unsigned short u_short;
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typedef unsigned int u_int;
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typedef unsigned long u_long;
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/* sysv */
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typedef unsigned char unchar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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#ifndef __BIT_TYPES_DEFINED__
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#define __BIT_TYPES_DEFINED__
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typedef __u8 u_int8_t;
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typedef __s8 int8_t;
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typedef __u16 u_int16_t;
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typedef __s16 int16_t;
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typedef __u32 u_int32_t;
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typedef __s32 int32_t;
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#endif /* !(__BIT_TYPES_DEFINED__) */
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typedef __u8 uint8_t;
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typedef __u16 uint16_t;
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typedef __u32 uint32_t;
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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typedef __u64 uint64_t;
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typedef __u64 u_int64_t;
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typedef __s64 int64_t;
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#endif
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/* this is a special 64bit data type that is 8-byte aligned */
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#define aligned_u64 unsigned long long __attribute__((aligned(8)))
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/*
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* The type used for indexing onto a disc or disc partition.
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* If required, asm/types.h can override it and define
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* HAVE_SECTOR_T
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*/
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#ifndef HAVE_SECTOR_T
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typedef unsigned long sector_t;
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#endif
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/*
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* The type of an index into the pagecache. Use a #define so asm/types.h
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* can override it.
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*/
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#ifndef pgoff_t
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#define pgoff_t unsigned long
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#endif
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#endif /* __KERNEL_STRICT_NAMES */
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/*
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* Below are truly Linux-specific types that should never collide with
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* any application/library that wants linux/types.h.
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*/
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#ifdef __CHECKER__
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#define __bitwise__ __attribute__((bitwise))
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#else
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#define __bitwise__
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#endif
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#ifdef __CHECK_ENDIAN__
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#define __bitwise __bitwise__
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#else
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#define __bitwise
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#endif
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typedef __u16 __bitwise __le16;
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typedef __u16 __bitwise __be16;
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typedef __u32 __bitwise __le32;
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typedef __u32 __bitwise __be32;
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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typedef __u64 __bitwise __le64;
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typedef __u64 __bitwise __be64;
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#endif
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#ifdef __KERNEL__
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typedef unsigned __bitwise__ gfp_t;
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#endif
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struct ustat {
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__kernel_daddr_t f_tfree;
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__kernel_ino_t f_tinode;
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char f_fname[6];
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char f_fpack[6];
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};
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#endif /* _LINUX_TYPES_H */
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