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[InteractiveUtils] win: handle empty clipboard errors #47311

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Oct 24, 2022
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[InteractiveUtils] win: handle empty clipboard errors #47311

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6 changes: 3 additions & 3 deletions stdlib/InteractiveUtils/src/clipboard.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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)
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