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http/httpguts: eliminate bounds checks in IsTokenRune

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This commit is contained in:
Julien Cretel
2024-04-10 14:16:39 +02:00
parent 58dbc9561f
commit edec33714c
1 changed files with 2 additions and 3 deletions
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5
http/httpguts/httplex.go
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@@ -12,7 +12,7 @@ import (
"golang.org/x/net/idna"
)
var isTokenTable = [127]bool{
var isTokenTable = [256]bool{
'!': true,
'#': true,
'$': true,
@@ -93,8 +93,7 @@ var isTokenTable = [127]bool{
}
func IsTokenRune(r rune) bool {
i := int(r)
return i < len(isTokenTable) && isTokenTable[i]
return r < utf8.RuneSelf && isTokenTable[byte(r)]
}
// HeaderValuesContainsToken reports whether any string in values