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20 lines
400 B
Go
20 lines
400 B
Go
package tools
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import (
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"fmt"
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"math"
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)
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func SafeCastInt64ToUInt32(num int64) (uint32, error) {
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if num < 0 {
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return 0, fmt.Errorf("tried casting signed negative number to unsigned number")
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}
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if num > math.MaxUint32 {
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return 0, fmt.Errorf("tried casting larger number than uint32 can store")
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}
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// the bounds are checked, and cast should be safe.
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return uint32(num), nil // #nosec G115
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}
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