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#ifndef __CRAP_H
#define __CRAP_H
#include <asm/uaccess.h>
#include <linux/version.h>
#include <linux/fs.h>
/**
* compatibility crap for old kernels. No guarantee for a working driver
* even when everything compiles.
*/
/* we don't mess with video_usercopy() any more,
we simply define out own dvb_usercopy(), which will hopefull become
generic_usercopy() someday... */
extern int dvb_usercopy(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg,
int (*func)(struct inode *inode, struct file *file,
unsigned int cmd, void *arg));
/* FIXME: check what is really necessary in here */
#include <linux/module.h>
#include <linux/list.h>
#ifndef MODULE_LICENSE
#define MODULE_LICENSE(x)
#endif
#ifndef list_for_each_safe
#define list_for_each_safe(pos, n, head) \
for (pos = (head)->next, n = pos->next; pos != (head); \
pos = n, n = pos->next)
#endif
#ifndef __devexit_p
#if defined(MODULE)
#define __devexit_p(x) x
#else
#define __devexit_p(x) NULL
#endif
#endif
#ifndef minor
#define minor(dev) MINOR(dev)
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
static inline
void cond_resched (void)
{
if (current->need_resched)
schedule();
}
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
extern u32 crc32_le (u32 crc, unsigned char const *p, size_t len);
#else
#include <linux/crc32.h>
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,48))
static inline
int try_module_get(struct module *mod)
{
if (!MOD_CAN_QUERY(mod))
return 0;
__MOD_INC_USE_COUNT(mod);
return 1;
}
#define module_put(mod) __MOD_DEC_USE_COUNT(mod)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20)
extern struct page * vmalloc_to_page(void *addr);
#define unlikely(x) __builtin_expect((x),0)
#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
#endif
#endif
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