/* * support.h - Header file for specific support.c * * Copyright (C) 1997 R間is Duchesne * Copyright (c) 2001 Anton Altaparmakov (AIA) *//* Debug levels */#define DEBUG_OTHER	1#define DEBUG_MALLOC	2#define DEBUG_BSD       4#define DEBUG_LINUX     8#define DEBUG_DIR1     16#define DEBUG_DIR2     32#define DEBUG_DIR3     64#define DEBUG_FILE1   128#define DEBUG_FILE2   256#define DEBUG_FILE3   512#define DEBUG_NAME1  1024#define DEBUG_NAME2  2048#ifdef DEBUGvoid ntfs_debug(int mask, const char *fmt, ...);#else#define ntfs_debug(mask, fmt...)	do {} while (0)#endif#include <linux/slab.h>#include <linux/vmalloc.h>#define ntfs_malloc(size)  kmalloc(size, GFP_KERNEL)#define ntfs_free(ptr)     kfree(ptr)/** * ntfs_vmalloc - allocate memory in multiples of pages * @size	number of bytes to allocate * * Allocates @size bytes of memory, rounded up to multiples of PAGE_SIZE and * returns a pointer to the allocated memory. * * If there was insufficient memory to complete the request, return NULL. */static inline void *ntfs_vmalloc(unsigned long size){	if (size <= PAGE_SIZE) {		if (size) {			/* kmalloc() has per-CPU caches so if faster for now. */			return kmalloc(PAGE_SIZE, GFP_NOFS);			/* return (void *)__get_free_page(GFP_NOFS |					__GFP_HIGHMEM); */		}		BUG();	}	if (size >> PAGE_SHIFT < num_physpages)		return __vmalloc(size, GFP_NOFS | __GFP_HIGHMEM, PAGE_KERNEL);	return NULL;}static inline void ntfs_vfree(void *addr){	if ((unsigned long)addr < VMALLOC_START) {		return kfree(addr);		/* return free_page((unsigned long)addr); */	}	vfree(addr);}void ntfs_bzero(void *s, int n);void ntfs_memcpy(void *dest, const void *src, ntfs_size_t n);void ntfs_memmove(void *dest, const void *src, ntfs_size_t n);void ntfs_error(const char *fmt,...);int ntfs_read_mft_record(ntfs_volume *vol, int mftno, char *buf);int ntfs_getput_clusters(ntfs_volume *pvol, int cluster, ntfs_size_t offs,			 ntfs_io *buf);ntfs_time64_t ntfs_now(void);int ntfs_dupuni2map(ntfs_volume *vol, ntfs_u16 *in, int in_len, char **out,		    int *out_len);int ntfs_dupmap2uni(ntfs_volume *vol, char* in, int in_len, ntfs_u16 **out,		    int *out_len);