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eced39c47e
* utils: add Go 1.20+ way of converting string to byte slice Ref.d2f97fc426/s2b_old.go. Ref.d2f97fc426/s2b_new.go. * utils: fix golangci-lint apparently running with Go < 1.20 See https://github.com/gofiber/fiber/actions/runs/4968641325/jobs/8891360463?pr=2462.
26 lines
544 B
Go
26 lines
544 B
Go
//go:build !go1.20
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// +build !go1.20
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package utils
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import (
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"reflect"
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"unsafe"
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)
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const MaxStringLen = 0x7fff0000 // Maximum string length for UnsafeBytes. (decimal: 2147418112)
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// UnsafeBytes returns a byte pointer without allocation.
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// String length shouldn't be more than 2147418112.
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//
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//nolint:gosec // unsafe is used for better performance here
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func UnsafeBytes(s string) []byte {
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if s == "" {
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return nil
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}
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return (*[MaxStringLen]byte)(unsafe.Pointer(
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(*reflect.StringHeader)(unsafe.Pointer(&s)).Data),
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)[:len(s):len(s)]
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}
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