conversion.go
Copyright 2024 Red Hat, Inc Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at `http://www.apache.org/licenses/LICENSE-2.0` Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.	`package types`
Uint64ToUint32 safely converts a uint64 into a uint32 without overflow	`func Uint64ToUint32 ( v uint64 ) ( uint32 , error ) {`
Check for overflow without casting	`if v > uint64 ( ^ uint32 ( 0 ) ) { // ^uint32(0) is the maximum uint32 value (4,294,967,295) return 0 , & OutOfRangeError { Value : v , Type : "uint32" , } } return uint32 ( v ) , nil // #nosec G103: safe after bounds check }`

conversion.go

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

package
 types

Uint64ToUint32 safely converts a uint64 into a uint32 without overflow

func
 Uint64ToUint32
(
v
 uint64
)
 (
uint32
,
 error
)
 {

Check for overflow without casting

	if
 v
 >
 uint64
(
^
uint32
(
0
)
)
 {
 // ^uint32(0) is the maximum uint32 value (4,294,967,295)
		return
 0
,
 &
OutOfRangeError
{
			Value
:
 v
,
			Type
:
  "uint32"
,
		}

	}


	return
 uint32
(
v
)
,
 nil
 // #nosec G103: safe after bounds check

}