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FFI can not find "GetLogicalDriveStrings" of kernel32.dll #1881

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whiteleaf7 opened this issue Aug 2, 2014 · 2 comments
Closed

FFI can not find "GetLogicalDriveStrings" of kernel32.dll #1881

whiteleaf7 opened this issue Aug 2, 2014 · 2 comments
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JRuby 1.7.x windows
Milestone
JRuby 1.7.21

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@whiteleaf7
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sample

require "fiddle"
include Fiddle
Handle = DL::Handle
Kernel32 = Handle.new("kernel32")
Function.new(Kernel32["GetLogicalDriveStrings"], [TYPE_LONG, TYPE_VOIDP], TYPE_LONG)

output

DL::DLError: unknown symbol GetLogicalDriveStrings
     sym at c:/jruby-1.7/lib/ruby/1.9/dl.rb:325
      [] at c:/jruby-1.7/lib/ruby/1.9/dl.rb:334
  (root) at t.rb:6

>jruby -v
jruby 1.7.13 (1.9.3p392) 2014-06-24 43f133c on Java HotSpot(TM)
64-Bit Server VM 1.7.0_07-b10 [Windows 7-amd64]
@whiteleaf7 whiteleaf7 changed the title FFI can not find "GetLogicalDriveStrings" in kernel32.dll FFI can not find "GetLogicalDriveStrings" of kernel32.dll Aug 2, 2014
@djberg96
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This is not a bug. The existing functions are "GetLogicalDriveStringsA" and "GetLogicalDriveStringsW". If you specify either of those it will work.

@MSNexploder
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GetLogicalDriveStringsA and GetLogicalDriveStringsW work without issues using 1.7.21 and 9.1.9.0 on Win 7 (x64).

@kares kares closed this as completed May 29, 2017
@kares kares added this to the JRuby 1.7.21 milestone May 29, 2017
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@kares @djberg96 @MSNexploder @whiteleaf7