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[c-host] windows: fix --help output in command prompt
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@ -24,6 +24,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
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#include <windows.h>
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#include <setupapi.h>
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#include <shellapi.h>
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#include <fcntl.h>
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#include <io.h>
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#include "interface/platform.h"
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#include "common/debug.h"
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@ -157,6 +159,21 @@ static BOOL WINAPI CtrlHandler(DWORD dwCtrlType)
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int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
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{
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/* this is a bit of a hack but without this --help will produce no output in a windows command prompt */
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if (AttachConsole(ATTACH_PARENT_PROCESS))
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{
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HANDLE std_err = GetStdHandle(STD_ERROR_HANDLE);
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HANDLE std_out = GetStdHandle(STD_OUTPUT_HANDLE);
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int std_err_fd = _open_osfhandle((intptr_t)std_err, _O_TEXT);
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int std_out_fd = _open_osfhandle((intptr_t)std_out, _O_TEXT);
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if (std_err_fd > 0)
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*stderr = *_fdopen(std_err_fd, "w");
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if (std_out_fd > 0)
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*stdout = *_fdopen(std_out_fd, "w");
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}
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int result = 0;
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app.hInst = hInstance;
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