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build(win): export extern symbols for use in FFI #22756

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merged 1 commit into from
Mar 23, 2023
Merged

build(win): export extern symbols for use in FFI #22756

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build(win): export extern symbols for use in FFI
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@luukvbaal
luukvbaal committed Mar 23, 2023
commit 452192c2efc3997f43b5d376499d71dac33d51a8
7 changes: 6 additions & 1 deletion src/nvim/main.c
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Original file line number Diff line number Diff line change
@@ -1,7 +1,12 @@
// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http:https://www.viva64.com

#define EXTERN
// Make sure extern symbols are exported on Windows
#ifdef WIN32
# define EXTERN __declspec(dllexport)
#else
# define EXTERN
#endif
#include <assert.h>
#include <limits.h>
#include <msgpack/pack.h>
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9 changes: 9 additions & 0 deletions test/functional/lua/ffi_spec.lua
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Expand Up @@ -63,5 +63,14 @@ describe('ffi.cdef', function()
nil
)
]=])

-- Check that extern symbols are exported and accessible
eq(true, exec_lua[[
local ffi = require('ffi')

ffi.cdef('uint64_t display_tick;')

return ffi.C.display_tick >= 0
]])
end)
end)