lib/connections: Skip allocation in check for missing port (#9297)
Micro-optimization. Already has unit tests.
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@ -19,8 +19,8 @@ func fixupPort(uri *url.URL, defaultPort int) *url.URL {
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copyURI := *uri
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copyURI := *uri
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host, port, err := net.SplitHostPort(uri.Host)
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host, port, err := net.SplitHostPort(uri.Host)
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if err != nil && strings.Contains(err.Error(), "missing port") {
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if e, ok := err.(*net.AddrError); ok && strings.Contains(e.Err, "missing port") {
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// addr is on the form "1.2.3.4" or "[fe80::1]"
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// addr is of the form "1.2.3.4" or "[fe80::1]"
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host = uri.Host
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host = uri.Host
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if strings.HasPrefix(host, "[") && strings.HasSuffix(host, "]") {
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if strings.HasPrefix(host, "[") && strings.HasSuffix(host, "]") {
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// net.JoinHostPort will add the brackets again
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// net.JoinHostPort will add the brackets again
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