| // Copyright (c) HashiCorp, Inc. | |
| // SPDX-License-Identifier: MPL-2.0 | |
| package tpgresource | |
| import ( | |
| "hash/crc32" | |
| ) | |
| // Hashcode hashes a string to a unique hashcode. | |
| // | |
| // crc32 returns a uint32, but for our use we need | |
| // and non negative integer. Here we cast to an integer | |
| // and invert it if the result is negative. | |
| func Hashcode(s string) int { | |
| v := int(crc32.ChecksumIEEE([]byte(s))) | |
| if v >= 0 { | |
| return v | |
| } | |
| if -v >= 0 { | |
| return -v | |
| } | |
| // v == MinInt | |
| return 0 | |
| } |