forked from TrueCloudLab/frostfs-node
18 lines
396 B
Go
18 lines
396 B
Go
package auditor
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import (
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"github.com/TrueCloudLab/frostfs-node/pkg/util/rand"
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)
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// nextRandUint64 returns random uint64 number [0; n) outside exclude map.
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// Panics if len(exclude) >= n.
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func nextRandUint64(n uint64, exclude map[uint64]struct{}) uint64 {
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ln := uint64(len(exclude))
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ind := rand.Uint64() % (n - ln)
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for i := ind; ; i++ {
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if _, ok := exclude[i]; !ok {
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return i
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}
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}
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}
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