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* [webview2loader] Add full featured go implementation The new go loader can be activated with the exp_gowebview2loader build tag. * [build] Add information for using the new webvie2loader
38 lines
757 B
Go
38 lines
757 B
Go
package combridge
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import (
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"unsafe"
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"golang.org/x/sys/windows"
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)
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var (
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modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
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procGlobalAlloc = modkernel32.NewProc("GlobalAlloc")
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procGlobalFree = modkernel32.NewProc("GlobalFree")
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uintptrSize = unsafe.Sizeof(uintptr(0))
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)
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func allocUintptrObject(size int) (uintptr, []uintptr) {
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v := globalAlloc(uintptr(size) * uintptrSize)
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slice := unsafe.Slice((*uintptr)(unsafe.Pointer(v)), size)
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return v, slice
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}
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func globalAlloc(dwBytes uintptr) uintptr {
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ret, _, _ := procGlobalAlloc.Call(uintptr(0), dwBytes)
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if ret == 0 {
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panic("globalAlloc failed")
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}
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return ret
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}
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func globalFree(data uintptr) {
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ret, _, _ := procGlobalFree.Call(data)
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if ret != 0 {
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panic("globalFree failed")
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}
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}
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