Imported reiserfsprogs-3.6.20
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Jeff Mahoney committed
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@@ -0,0 +1 @@
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noinst_HEADERS = types.h bitops.h malloc.h swab.h device.h misc.h unaligned.h
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@@ -0,0 +1,337 @@
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@@ -0,0 +1,79 @@
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/*
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* Copyright 1996-2004 by Hans Reiser, licensing governed by
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* reiserfsprogs/README
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*/
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#ifndef MISC_BITOPS_H
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#define MISC_BITOPS_H
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#include "misc/types.h"
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#include "misc/misc.h"
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extern __u16 mask16 (int from, int count);
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extern __u32 mask32 (int from, int count);
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extern __u64 mask64 (int from, int count);
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#define misc_set_bitfield_XX(XX,vp,val,from,count) \
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({ \
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__u##XX * p, tmp; \
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\
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/* make sure that given value can be put in 'count' bits */ \
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if (val > (1 << count)) \
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misc_die ("misc_set_bitfield: val %d is too big for %d bits", val, count); \
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\
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p = (__u##XX *)vp; \
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tmp = le##XX##_to_cpu (*p); \
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\
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/* clear 'count' bits starting from 'from'-th one */ \
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tmp &= ~mask##XX (from, count); \
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\
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/* put given value in proper bits */ \
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tmp |= (val << from); \
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\
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*p = cpu_to_le##XX (tmp); \
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})
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#define misc_get_bitfield_XX(XX,vp,from,count) \
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({ \
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__u##XX * p, tmp; \
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\
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p = (__u##XX *)vp; \
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tmp = le##XX##_to_cpu (*p); \
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\
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/* clear all bits but 'count' bits starting from 'from'-th one */ \
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tmp &= mask##XX (from, count); \
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\
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/* get value written in specified bits */ \
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tmp >>= from; \
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tmp; \
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})
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extern inline int misc_set_bit (unsigned long long nr,
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void * addr);
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extern inline int misc_clear_bit (unsigned long long nr,
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void * addr);
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extern inline int misc_test_bit(unsigned long long nr,
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const void * addr);
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extern inline unsigned long long
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misc_find_first_zero_bit (const void *vaddr,
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unsigned long long size);
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extern inline unsigned long long
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misc_find_next_zero_bit (const void *vaddr,
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unsigned long long size,
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unsigned long long offset);
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extern inline unsigned long long
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misc_find_next_set_bit(const void *vaddr,
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unsigned long long size,
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unsigned long long offset);
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extern inline unsigned long long
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misc_find_first_set_bit (const void *vaddr,
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unsigned long long size);
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#endif
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@@ -0,0 +1,24 @@
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/*
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* Copyright 1996-2004 by Hans Reiser, licensing governed by
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* reiserfsprogs/README
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*/
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#ifndef MISC_DEVICE_H
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#define MISC_DEVICE_H
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#include <sys/types.h>
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extern int misc_device_valid_offset(int fd, long long int offset);
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extern unsigned long misc_device_count_blocks (char * filename,
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int blocksize);
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extern char misc_device_typec (unsigned short mode);
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#define STAT_FIELD_H(Field, Type) \
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Type misc_device_##Field(char *device);
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STAT_FIELD_H(mode, mode_t);
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STAT_FIELD_H(rdev, dev_t);
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||||
#endif
|
||||
@@ -0,0 +1,21 @@
|
||||
/*
|
||||
* Copyright 1996-2004 by Hans Reiser, licensing governed by
|
||||
* reiserfsprogs/README
|
||||
*/
|
||||
|
||||
#ifndef MISC_MALLOC_H
|
||||
#define MISC_MALLOC_H
|
||||
|
||||
extern void *misc_getmem (int size);
|
||||
|
||||
extern void *misc_malloc(int size);
|
||||
|
||||
extern void misc_freemem (void * p);
|
||||
|
||||
extern void misc_checkmem (char * p, int size);
|
||||
|
||||
extern void *misc_expandmem (void * p, int size, int by);
|
||||
|
||||
extern unsigned int misc_memsize (char * p);
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,41 @@
|
||||
/*
|
||||
* Copyright 1996-2004 by Hans Reiser, licensing governed by
|
||||
* reiserfsprogs/README
|
||||
*/
|
||||
|
||||
/* nothing abount reiserfs here */
|
||||
|
||||
#ifndef MISC_H
|
||||
#define MISC_H
|
||||
|
||||
#include "misc/types.h"
|
||||
|
||||
/* n must be power of 2 */
|
||||
#define MISC_UP(x,n) (((x)+(n)-1u) / (n) * (n))
|
||||
#define MISC_DOWN(x,n) ((x) / (n) * (n))
|
||||
|
||||
/* to be ok for alpha etc we have to align structures to 8 byte boundary. */
|
||||
#define MISC_ROUND_UP(x) MISC_UP(x,8LL)
|
||||
|
||||
extern void misc_die (char * fmt, ...) __attribute__ ((format (printf, 1, 2)));
|
||||
|
||||
typedef int (*dir_walk_func_t) (char *path, void *data);
|
||||
extern int misc_dir_walk(char *path, dir_walk_func_t func, void *data);
|
||||
|
||||
extern __u32 misc_random (void);
|
||||
|
||||
typedef int (*misc_comp_func_t) (const void *, const void *);
|
||||
|
||||
extern int misc_device_rdev_match(char *path, void *data);
|
||||
|
||||
extern int misc_bin_search (const void * key, void * base,
|
||||
__u32 num, int width, int *ppos,
|
||||
misc_comp_func_t comp_func);
|
||||
|
||||
extern void blocklist__insert_in_position (void * block_h, void ** base,
|
||||
__u32 * count, int elem_size,
|
||||
int * position);
|
||||
|
||||
extern int blockdev_list_compare (const void * block1, const void * block2);
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,76 @@
|
||||
/*
|
||||
* Copyright 2002-2004 by Hans Reiser, licensing governed by
|
||||
* reiserfsprogs/README
|
||||
*/
|
||||
|
||||
#ifndef MISC_SWAB_H
|
||||
#define MISC_SWAB_H
|
||||
|
||||
#define __swab16(x) \
|
||||
({ \
|
||||
__u16 __x = (x); \
|
||||
((__u16)( \
|
||||
(((__u16)(__x) & (__u16)0x00ffU) << 8) | \
|
||||
(((__u16)(__x) & (__u16)0xff00U) >> 8) )); \
|
||||
})
|
||||
|
||||
#define __swab32(x) \
|
||||
({ \
|
||||
__u32 __x = (x); \
|
||||
((__u32)( \
|
||||
(((__u32)(__x) & (__u32)0x000000ffUL) << 24) | \
|
||||
(((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | \
|
||||
(((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | \
|
||||
(((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); \
|
||||
})
|
||||
|
||||
#define __swab64(x) \
|
||||
({ \
|
||||
__u64 __x = (x); \
|
||||
((__u64)( \
|
||||
(__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \
|
||||
(__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \
|
||||
(__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \
|
||||
(__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) << 8) | \
|
||||
(__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >> 8) | \
|
||||
(__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
|
||||
(__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \
|
||||
(__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56) )); \
|
||||
})
|
||||
|
||||
|
||||
#ifndef WORDS_BIGENDIAN
|
||||
|
||||
# define cpu_to_le16(val) (val)
|
||||
# define le16_to_cpu(val) (val)
|
||||
# define cpu_to_le32(val) (val)
|
||||
# define le32_to_cpu(val) (val)
|
||||
# define cpu_to_le64(val) (val)
|
||||
# define le64_to_cpu(val) (val)
|
||||
|
||||
#elif defined(WORDS_BIGENDIAN)
|
||||
|
||||
# define cpu_to_le16(val) __swab16(val)
|
||||
# define le16_to_cpu(val) __swab16(val)
|
||||
# define cpu_to_le32(val) __swab32(val)
|
||||
# define le32_to_cpu(val) __swab32(val)
|
||||
# define cpu_to_le64(val) __swab64(val)
|
||||
# define le64_to_cpu(val) __swab64(val)
|
||||
|
||||
#else
|
||||
# error "nuxi/pdp-endian archs are not supported"
|
||||
#endif
|
||||
|
||||
#define get_leXX(xx,p,field) (le##xx##_to_cpu ((p)->field))
|
||||
#define set_leXX(xx,p,field,val) do { (p)->field = cpu_to_le##xx(val); } while (0)
|
||||
|
||||
#define get_le16(p,field) get_leXX (16, p, field)
|
||||
#define set_le16(p,field,val) set_leXX (16, p, field, val)
|
||||
|
||||
#define get_le32(p,field) get_leXX (32, p, field)
|
||||
#define set_le32(p,field,val) set_leXX (32, p, field, val)
|
||||
|
||||
#define get_le64(p,field) get_leXX (64, p, field)
|
||||
#define set_le64(p,field,val) set_leXX (64, p, field, val)
|
||||
|
||||
#endif /* MISC_SWAB_H */
|
||||
@@ -0,0 +1,21 @@
|
||||
/*
|
||||
* Copyright 1996-2004 by Hans Reiser, licensing governed by
|
||||
* reiserfsprogs/README
|
||||
*/
|
||||
|
||||
#ifndef MISC_TYPES_H
|
||||
#define MISC_TYPES_H
|
||||
|
||||
#include <string.h>
|
||||
|
||||
typedef unsigned char __u8;
|
||||
typedef unsigned short int __u16;
|
||||
typedef unsigned int __u32;
|
||||
typedef unsigned long long int __u64;
|
||||
|
||||
#define INVAL_PTR (void *)-1
|
||||
#define MAX_INT 2147483647
|
||||
#define LONG_LONG_MAX 9223372036854775807LL
|
||||
#define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,40 @@
|
||||
/*
|
||||
* Copyright 2000-2004 by Hans Reiser, licensing governed by
|
||||
* reiserfsprogs/README
|
||||
*/
|
||||
|
||||
#ifndef MISC_UNALIGNED_H
|
||||
#define MISC_UNALIGNED_H
|
||||
|
||||
#ifdef HAVE_ASM_UNALIGNED_H
|
||||
# include <asm/unaligned.h>
|
||||
#endif
|
||||
|
||||
#ifndef get_unaligned
|
||||
#define get_unaligned(ptr) \
|
||||
({ \
|
||||
__typeof__(*(ptr)) __tmp; \
|
||||
memcpy(&__tmp, (ptr), sizeof(*(ptr))); \
|
||||
__tmp; \
|
||||
})
|
||||
#endif
|
||||
|
||||
#ifndef put_unaligned
|
||||
#define put_unaligned(val, ptr) \
|
||||
({ \
|
||||
__typeof__(*(ptr)) __tmp = (val); \
|
||||
memcpy((ptr), &__tmp, sizeof(*(ptr))); \
|
||||
(void)0; \
|
||||
})
|
||||
#endif
|
||||
|
||||
/* these operate on extent items, where you've got an array of ints
|
||||
** at a possibly unaligned location. These are a noop on ia32
|
||||
**
|
||||
** p is the array of __u32, i is the index into the array, v is the value
|
||||
** to store there.
|
||||
*/
|
||||
#define d32_get(p, i) le32_to_cpu(get_unaligned((__u32 *)(p) + (i)))
|
||||
#define d32_put(p, i, v) put_unaligned(cpu_to_le32(v), (__u32 *)(p) + (i))
|
||||
|
||||
#endif
|
||||
Reference in new issue
Block a user