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#ifndef CEPH_ERR_H
#define CEPH_ERR_H
/*
* adapted from linux 2.6.24 include/linux/err.h
*/
#define MAX_ERRNO 4095
#define IS_ERR_VALUE(x) ((x) >= (uintptr_t)-MAX_ERRNO)
#include <errno.h>
#include <stdint.h>
#include <stdbool.h>
/* this generates a warning in c++; caller can do the cast manually
static inline void *ERR_PTR(long error)
{
return (void *) error;
}
*/
static inline intptr_t PTR_ERR(const void *ptr)
{
return (intptr_t) ptr;
}
static inline bool IS_ERR(const void *ptr)
{
return IS_ERR_VALUE((uintptr_t)ptr);
}
#endif
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