40 lines
1.2 KiB
V
40 lines
1.2 KiB
V
module dl
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pub const (
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rtld_now = 0
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rtld_lazy = 0
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)
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fn C.LoadLibrary(libfilename &u16) voidptr
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fn C.GetProcAddress(handle voidptr, procname byteptr) voidptr
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fn C.FreeLibrary(handle voidptr) bool
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// open loads a given module into the address space of the calling process.
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pub fn open(filename string, flags int) voidptr {
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res := C.LoadLibrary(filename.to_wide())
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return res
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}
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// close frees the loaded a given module.
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pub fn close(handle voidptr) bool {
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return C.FreeLibrary(handle)
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}
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// sym returns an address of an exported function or variable from a given module.
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pub fn sym(handle voidptr, symbol string) voidptr {
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return C.GetProcAddress(handle, symbol.str)
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}
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// dlerror provides a text error diagnostic message for functions in `dl`
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// it returns a human-readable string, describing the most recent error
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// that occurred from a call to one of the `dl` functions, since the last
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// call to dlerror()
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pub fn dlerror() string {
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// https://docs.microsoft.com/en-us/windows/win32/api/errhandlingapi/nf-errhandlingapi-getlasterror
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// Unlike dlerror(), GetLastError returns just an error code, that is function specific.
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cerr := int(C.GetLastError())
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return 'error code $cerr'
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}
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