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26 lines
474 B
Go
26 lines
474 B
Go
package rlphacks
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func GenerateStructLen(buffer []byte, l int) int {
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if l < 56 {
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buffer[0] = byte(192 + l)
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return 1
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}
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if l < 256 {
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// l can be encoded as 1 byte
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buffer[1] = byte(l)
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buffer[0] = byte(247 + 1)
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return 2
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}
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if l < 65536 {
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buffer[2] = byte(l & 255)
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buffer[1] = byte(l >> 8)
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buffer[0] = byte(247 + 2)
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return 3
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}
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buffer[3] = byte(l & 255)
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buffer[2] = byte((l >> 8) & 255)
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buffer[1] = byte(l >> 16)
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buffer[0] = byte(247 + 3)
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return 4
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}
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