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support.h
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /*
- * 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 DEBUG
- void 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);