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Last change
on this file since 596 was 305, checked in by Paul Smedley, 18 years ago |
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Update source to ALSA 1.0.16 level
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File size:
484 bytes
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| 1 | #ifndef _LINUX_ERR_H
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| 2 | #define _LINUX_ERR_H
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| 3 |
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| 4 | /* on earlier kernels, adriver.h already gets this through linux/fs.h */
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| 5 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
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| 6 |
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| 7 | #define IS_ERR_VALUE(x) ((x) > (unsigned long)-1000L)
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| 8 |
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| 9 | static inline void *ERR_PTR(long error)
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| 10 | {
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| 11 | return (void *) error;
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| 12 | }
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| 13 |
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| 14 | static inline long PTR_ERR(const void *ptr)
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| 15 | {
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| 16 | return (long) ptr;
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| 17 | }
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| 18 |
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| 19 | static inline long IS_ERR(const void *ptr)
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| 20 | {
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| 21 | return IS_ERR_VALUE((unsigned long)ptr);
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| 22 | }
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| 23 |
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| 24 | #endif
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| 25 |
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| 26 | #endif /* _LINUX_ERR_H */
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