/* SPDX-License-Identifier: GPL-2.0 */ /* * * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved. * * useful functions for debugging */ // clang-format off #ifndef Add2Ptr #define Add2Ptr(P, I) ((void *)((u8 *)(P) + (I))) #define PtrOffset(B, O) ((size_t)((size_t)(O) - (size_t)(B))) #endif #define QuadAlign(n) (((n) + 7u) & (~7u)) #define IsQuadAligned(n) (!((size_t)(n)&7u)) #define Quad2Align(n) (((n) + 15u) & (~15u)) #define IsQuad2Aligned(n) (!((size_t)(n)&15u)) #define Quad4Align(n) (((n) + 31u) & (~31u)) #define IsSizeTAligned(n) (!((size_t)(n) & (sizeof(size_t) - 1))) #define DwordAlign(n) (((n) + 3u) & (~3u)) #define IsDwordAligned(n) (!((size_t)(n)&3u)) #define WordAlign(n) (((n) + 1u) & (~1u)) #define IsWordAligned(n) (!((size_t)(n)&1u)) #ifdef CONFIG_PRINTK __printf(2, 3) void ntfs_printk(const struct super_block *sb, const char *fmt, ...); __printf(2, 3) void ntfs_inode_printk(struct inode *inode, const char *fmt, ...); #else static inline __printf(2, 3) void ntfs_printk(const struct super_block *sb, const char *fmt, ...) { } static inline __printf(2, 3) void ntfs_inode_printk(struct inode *inode, const char *fmt, ...) { } #endif /* * Logging macros ( thanks Joe Perches for implementation ) */ #define ntfs_err(sb, fmt, ...) ntfs_printk(sb, KERN_ERR fmt, ##__VA_ARGS__) #define ntfs_warn(sb, fmt, ...) ntfs_printk(sb, KERN_WARNING fmt, ##__VA_ARGS__) #define ntfs_info(sb, fmt, ...) ntfs_printk(sb, KERN_INFO fmt, ##__VA_ARGS__) #define ntfs_notice(sb, fmt, ...) \ ntfs_printk(sb, KERN_NOTICE fmt, ##__VA_ARGS__) #define ntfs_inode_err(inode, fmt, ...) \ ntfs_inode_printk(inode, KERN_ERR fmt, ##__VA_ARGS__) #define ntfs_inode_warn(inode, fmt, ...) \ ntfs_inode_printk(inode, KERN_WARNING fmt, ##__VA_ARGS__) #define ntfs_malloc(s) kmalloc(s, GFP_NOFS) #define ntfs_zalloc(s) kzalloc(s, GFP_NOFS) #define ntfs_vmalloc(s) kvmalloc(s, GFP_KERNEL) #define ntfs_free(p) kfree(p) #define ntfs_vfree(p) kvfree(p) #define ntfs_memdup(src, len) kmemdup(src, len, GFP_NOFS) // clang-format on