fix(go.sum): update ResolveSpec dependency to v1.0.87
This commit is contained in:
+48
@@ -0,0 +1,48 @@
|
||||
//go:build purego || !amd64
|
||||
// +build purego !amd64
|
||||
|
||||
package ascii
|
||||
|
||||
import (
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
// ValidString returns true if s contains only ASCII characters.
|
||||
func ValidString(s string) bool {
|
||||
p := *(*unsafe.Pointer)(unsafe.Pointer(&s))
|
||||
i := uintptr(0)
|
||||
n := uintptr(len(s))
|
||||
|
||||
for i+8 <= n {
|
||||
if (*(*uint64)(unsafe.Pointer(uintptr(p) + i)) & 0x8080808080808080) != 0 {
|
||||
return false
|
||||
}
|
||||
i += 8
|
||||
}
|
||||
|
||||
if i+4 <= n {
|
||||
if (*(*uint32)(unsafe.Pointer(uintptr(p) + i)) & 0x80808080) != 0 {
|
||||
return false
|
||||
}
|
||||
i += 4
|
||||
}
|
||||
|
||||
if i == n {
|
||||
return true
|
||||
}
|
||||
|
||||
p = unsafe.Pointer(uintptr(p) + i)
|
||||
|
||||
var x uint32
|
||||
switch n - i {
|
||||
case 3:
|
||||
x = uint32(*(*uint16)(p)) | uint32(*(*uint8)(unsafe.Pointer(uintptr(p) + 2)))<<16
|
||||
case 2:
|
||||
x = uint32(*(*uint16)(p))
|
||||
case 1:
|
||||
x = uint32(*(*uint8)(p))
|
||||
default:
|
||||
return true
|
||||
}
|
||||
return (x & 0x80808080) == 0
|
||||
}
|
||||
Reference in New Issue
Block a user