cerc-io/plugeth
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Length check on get

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This commit is contained in:
obscuren 2014-06-19 21:41:37 +02:00
parent 80ffe1610c
commit 933aa63b7d
1 changed files with 8 additions and 2 deletions
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10
ethchain/stack.go
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@ -2,7 +2,7 @@ package ethchain
import ( import (
"fmt" "fmt"
_ "github.com/ethereum/eth-go/ethutil" "math"
"math/big" "math/big"
) )
@ -118,7 +118,13 @@ func (m *Memory) Resize(size uint64) {
} }
func (m *Memory) Get(offset, size int64) []byte { func (m *Memory) Get(offset, size int64) []byte {
return m.store[offset : offset+size] if len(m.store) > int(offset) {
end := int(math.Min(float64(len(m.store)), float64(offset+size)))
return m.store[offset:end]
}
return nil
} }
func (m *Memory) Len() int { func (m *Memory) Len() int {