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Macros
#define	CONST_CAST(x) (x)(uintptr_t)

#define	UNUSED(x) (void)(x)

#define	ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))

#define	BITFIELD_SIZE(BF_PTR) (sizeof((BF_PTR)) 8)

#define	MOVE_REF(x, y)

#define	FREE_AND_NULL(x) do { free(x); x = NULL; } while (0)

#define	AT_LEAST(a, b) ({ __typeof__(a) __at_least = (a); (__at_least >= (b))?__at_least:(b); })

#define	SHIFT_4K 12

#define	SECTOR_SHIFT 9

#define	SECTOR_SIZE (1 << SECTOR_SHIFT)

#define	MAX_SECTOR_SIZE 4096 /* min page size among all platforms */

#define	ROUND_SECTOR(x) (((x) + SECTOR_SIZE - 1) / SECTOR_SIZE)

#define	MISALIGNED(a, b) ((a) & ((b) - 1))

#define	MISALIGNED_4K(a) MISALIGNED((a), 1 << SHIFT_4K)

#define	MISALIGNED_512(a) MISALIGNED((a), 1 << SECTOR_SHIFT)

#define	NOTPOW2(a) MISALIGNED((a), (a))

#define	DEFAULT_DISK_ALIGNMENT 1048576 /* 1MiB */

#define	DEFAULT_MEM_ALIGNMENT 4096

#define	DM_UUID_LEN 129

#define	DM_BY_ID_PREFIX "dm-uuid-"

#define	DM_BY_ID_PREFIX_LEN 8

#define	DM_UUID_PREFIX "CRYPT-"

#define	DM_UUID_PREFIX_LEN 6

Macro Definition Documentation

◆ ARRAY_SIZE

#define ARRAY_SIZE ( arr ) (sizeof(arr) / sizeof((arr)[0]))

Definition at line 31 of file libcryptsetup_macros.h.

◆ AT_LEAST

#define AT_LEAST	(	a,
		b
	)	({ __typeof__(a) __at_least = (a); (__at_least >= (b))?__at_least:(b); })

Definition at line 45 of file libcryptsetup_macros.h.

◆ BITFIELD_SIZE

#define BITFIELD_SIZE ( BF_PTR ) (sizeof(*(BF_PTR)) * 8)

Definition at line 34 of file libcryptsetup_macros.h.

◆ CONST_CAST

#define CONST_CAST ( x ) (x)(uintptr_t)

Definition at line 26 of file libcryptsetup_macros.h.

◆ DEFAULT_DISK_ALIGNMENT

#define DEFAULT_DISK_ALIGNMENT 1048576 /* 1MiB */

Definition at line 58 of file libcryptsetup_macros.h.

◆ DEFAULT_MEM_ALIGNMENT

#define DEFAULT_MEM_ALIGNMENT 4096

Definition at line 59 of file libcryptsetup_macros.h.

◆ DM_BY_ID_PREFIX

#define DM_BY_ID_PREFIX "dm-uuid-"

Definition at line 62 of file libcryptsetup_macros.h.

◆ DM_BY_ID_PREFIX_LEN

#define DM_BY_ID_PREFIX_LEN 8

Definition at line 63 of file libcryptsetup_macros.h.

◆ DM_UUID_LEN

#define DM_UUID_LEN 129

Definition at line 61 of file libcryptsetup_macros.h.

◆ DM_UUID_PREFIX

#define DM_UUID_PREFIX "CRYPT-"

Definition at line 64 of file libcryptsetup_macros.h.

◆ DM_UUID_PREFIX_LEN

#define DM_UUID_PREFIX_LEN 6

Definition at line 65 of file libcryptsetup_macros.h.

◆ FREE_AND_NULL

#define FREE_AND_NULL ( x ) do { free(x); x = NULL; } while (0)

Definition at line 43 of file libcryptsetup_macros.h.

◆ MAX_SECTOR_SIZE

#define MAX_SECTOR_SIZE 4096 /* min page size among all platforms */

Definition at line 50 of file libcryptsetup_macros.h.

◆ MISALIGNED

#define MISALIGNED	(	a,
		b
	)	((a) & ((b) - 1))

Definition at line 53 of file libcryptsetup_macros.h.

◆ MISALIGNED_4K

#define MISALIGNED_4K ( a ) MISALIGNED((a), 1 << SHIFT_4K)

Definition at line 54 of file libcryptsetup_macros.h.

◆ MISALIGNED_512

#define MISALIGNED_512 ( a ) MISALIGNED((a), 1 << SECTOR_SHIFT)

Definition at line 55 of file libcryptsetup_macros.h.

◆ MOVE_REF

#define MOVE_REF	(	x,
		y
	)

Value:

    do { \
        __typeof__(x) *_px = &(x), *_py = &(y); \
        *_px = *_py; \
        *_py = NULL; \
    } while (0)

Definition at line 36 of file libcryptsetup_macros.h.

◆ NOTPOW2

#define NOTPOW2 ( a ) MISALIGNED((a), (a))

Definition at line 56 of file libcryptsetup_macros.h.

◆ ROUND_SECTOR

#define ROUND_SECTOR ( x ) (((x) + SECTOR_SIZE - 1) / SECTOR_SIZE)

Definition at line 51 of file libcryptsetup_macros.h.

◆ SECTOR_SHIFT

#define SECTOR_SHIFT 9

Definition at line 48 of file libcryptsetup_macros.h.

◆ SECTOR_SIZE

#define SECTOR_SIZE (1 << SECTOR_SHIFT)

Definition at line 49 of file libcryptsetup_macros.h.

◆ SHIFT_4K

#define SHIFT_4K 12

Definition at line 47 of file libcryptsetup_macros.h.

◆ UNUSED

#define UNUSED ( x ) (void)(x)

Definition at line 28 of file libcryptsetup_macros.h.

Macros