[InteractiveUtils] win: handle empty clipboard errors (#47311)

Fix #46981
JuliaLang · Oct 24, 2022 · 0645427 · 0645427
1 parent 0c382c2
commit 0645427
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/stdlib/InteractiveUtils/src/clipboard.jl b/stdlib/InteractiveUtils/src/clipboard.jl
@@ -103,7 +103,7 @@ elseif Sys.iswindows()
         ccall(:memcpy, Ptr{UInt16}, (Ptr{UInt16}, Ptr{UInt16}, Csize_t), plock, x_u16, sizeof(x_u16))
         unlock = ccall((:GlobalUnlock, "kernel32"), stdcall, Cint, (Ptr{UInt16},), pdata)
         (unlock == 0 && Libc.GetLastError() == 0) || return cleanup(:GlobalUnlock) # this should never fail
-        pset = ccall((:SetClipboardData, "user32"), stdcall, Ptr{UInt16}, (Cuint, Ptr{UInt16}), 13, pdata)
+        pset = ccall((:SetClipboardData, "user32"), stdcall, Ptr{UInt16}, (Cuint, Ptr{UInt16}), 13, pdata) # CF_UNICODETEXT
         pdata != pset && return cleanup(:SetClipboardData)
         cleanup(:success)
     end
@@ -114,14 +114,14 @@ elseif Sys.iswindows()
             if cause !== :OpenClipboard
                 ccall((:CloseClipboard, "user32"), stdcall, Cint, ()) == 0 && Base.windowserror(:CloseClipboard) # this should never fail
             end
-            if cause !== :success && (cause !== :GetClipboardData || errno != 0)
+            if cause !== :success && !(cause === :GetClipboardData && (errno == 0x8004006A || errno == 0x800401D3)) # ignore DV_E_CLIPFORMAT and CLIPBRD_E_BAD_DATA from GetClipboardData
                 Base.windowserror(cause, errno)
             end
             ""
         end
         ccall((:OpenClipboard, "user32"), stdcall, Cint, (Ptr{Cvoid},), C_NULL) == 0 && return Base.windowserror(:OpenClipboard)
         ccall(:SetLastError, stdcall, Cvoid, (UInt32,), 0) # allow distinguishing if the clipboard simply didn't have text
-        pdata = ccall((:GetClipboardData, "user32"), stdcall, Ptr{UInt16}, (Cuint,), 13)
+        pdata = ccall((:GetClipboardData, "user32"), stdcall, Ptr{UInt16}, (Cuint,), 13) # CF_UNICODETEXT
         pdata == C_NULL && return cleanup(:GetClipboardData)
         plock = ccall((:GlobalLock, "kernel32"), stdcall, Ptr{UInt16}, (Ptr{UInt16},), pdata)
         plock == C_NULL && return cleanup(:GlobalLock)