Match against math.MaxInt32 in the Go code.
When building for 32-bit, len() in Go returns a (signed) 32-bit value.
This was exceeding the constant (2^32) and causing a build failure.
Change-Id: I3b0c08792b0fea0be8d571ebd7ebc1714f9a86a2
diff --git a/go/protocol/protocol.go b/go/protocol/protocol.go
index ba33dde..ad8f7dd 100644
--- a/go/protocol/protocol.go
+++ b/go/protocol/protocol.go
@@ -21,6 +21,7 @@
"encoding/binary"
"errors"
"io"
+ "math"
"sort"
"golang.org/x/crypto/ed25519"
@@ -82,7 +83,7 @@
return make([]byte, 4), nil
}
- if len(msg) >= 1<<32 {
+ if len(msg) >= math.MaxInt32 {
return nil, errors.New("encode: too many tags")
}
@@ -156,7 +157,7 @@
tags := bytes[4*(1+numTags-1):]
payloads := bytes[4*(1+(numTags-1)+numTags):]
- if len(payloads) > 1<<32 {
+ if len(payloads) > math.MaxInt32 {
return nil, errors.New("decode: message too large")
}
payloadLength := uint32(len(payloads))
