mirror of https://github.com/etcd-io/bbolt.git
38 lines
756 B
Go
38 lines
756 B
Go
package bolt
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var (
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InvalidError = &Error{"Invalid database", nil}
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VersionMismatchError = &Error{"version mismatch", nil}
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)
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const magic uint32 = 0xDEADC0DE
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const version uint32 = 1
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type meta struct {
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magic uint32
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version uint32
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pageSize uint32
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pgid pgid
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free pgid
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txnid txnid
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sys bucket
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}
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// validate checks the marker bytes and version of the meta page to ensure it matches this binary.
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func (m *meta) validate() error {
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if m.magic != magic {
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return InvalidError
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} else if m.version != Version {
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return VersionMismatchError
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}
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return nil
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}
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// copy copies one meta object to another.
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func (m *meta) copy(dest *meta) {
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dest.pageSize = m.pageSize
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dest.pgid = m.pgid
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dest.txnid = m.txnid
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dest.sys = m.sys
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}
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