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45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package mdbx
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/*
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#include <errno.h>
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#include "mdbxgo.h"
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#include "dist/mdbx.h"
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*/
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import "C"
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import "syscall"
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func operrno(op string, ret C.int) error {
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if ret == C.MDBX_SUCCESS || ret == C.MDBX_RESULT_TRUE {
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return nil
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}
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if minErrno <= ret && ret <= maxErrno {
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return &OpError{Op: op, Errno: Errno(ret)}
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}
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// translate C errors into corresponding syscall.Errno values so that
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// IsErrnoSys functions correctly, a kludge unknowning inherited from LMDB.
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// the errno in the returned OpError cannot be passed to C.mdbx_strerror.
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// see the implementation of C.mdbx_strerror for information about how the
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// following table was generated.
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var errno syscall.Errno
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switch ret {
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case C.ENOENT:
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errno = syscall.ENOENT /* 2, FILE_NOT_FOUND */
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case C.EIO:
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errno = syscall.EIO /* 5, ACCESS_DENIED */
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case C.ENOMEM:
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errno = syscall.ENOMEM /* 12, INVALID_ACCESS */
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case C.EACCES:
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errno = syscall.EACCES /* 13, INVALID_DATA */
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case C.EBUSY:
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errno = syscall.EBUSY /* 16, CURRENT_DIRECTORY */
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case C.EINVAL:
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errno = syscall.EINVAL /* 22, BAD_COMMAND */
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case C.ENOSPC:
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errno = syscall.ENOSPC /* 28, OUT_OF_PAPER */
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default:
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errno = syscall.Errno(ret)
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}
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return &OpError{Op: op, Errno: errno}
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}
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