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f4b9d9d847
A couple of preprocessor symbols for include guards tampered with the reserved namespace. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Sage Weil <sage@newdream.net>
30 lines
507 B
C
30 lines
507 B
C
#ifndef CEPH_ERR_H
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#define CEPH_ERR_H
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/*
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* adapted from linux 2.6.24 include/linux/err.h
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*/
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#define MAX_ERRNO 4095
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#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO)
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#include <errno.h>
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/* this generates a warning in c++; caller can do the cast manually
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static inline void *ERR_PTR(long error)
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{
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return (void *) error;
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}
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*/
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static inline long PTR_ERR(const void *ptr)
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{
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return (long) ptr;
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}
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static inline long IS_ERR(const void *ptr)
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{
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return IS_ERR_VALUE((unsigned long)ptr);
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}
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#endif
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