File: err_compat.h

package info (click to toggle)
alsa-driver 1.0.13-5etch1
  • links: PTS
  • area: main
  • in suites: etch
  • size: 20,108 kB
  • ctags: 50,477
  • sloc: ansic: 319,881; sh: 32,930; makefile: 2,015; python: 1,527; perl: 1,316; xml: 896; awk: 66
file content (26 lines) | stat: -rw-r--r-- 484 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
#ifndef _LINUX_ERR_H
#define _LINUX_ERR_H

/* on earlier kernels, adriver.h already gets this through linux/fs.h */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)

#define IS_ERR_VALUE(x) ((x) > (unsigned long)-1000L)

static inline void *ERR_PTR(long error)
{
	return (void *) error;
}

static inline long PTR_ERR(const void *ptr)
{
	return (long) ptr;
}

static inline long IS_ERR(const void *ptr)
{
	return IS_ERR_VALUE((unsigned long)ptr);
}

#endif

#endif /* _LINUX_ERR_H */