99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*
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* COMMDLG/COMDLG32 functions
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*
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* Copyright 1994 Martin Ayotte
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* Copyright 1996 Albrecht Kleine
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* Copyright 1998 Bertho Stultiens
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* Copyright 1999 Klaas van Gend
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*/
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "winbase.h"
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#include "win.h"
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#include "commdlg.h"
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#include "module.h"
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#include "debug.h"
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#include "winproc.h"
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#define COMDLG32_LAST_ERROR_NOT_ALLOCATED 0xF684F684
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static DWORD COMDLG32_TlsIndex = COMDLG32_LAST_ERROR_NOT_ALLOCATED;
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/***********************************************************************
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* COMDLG32_DllEntryPoint [COMDLG32.entry]
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*
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* Initialisation code for the COMDLG32 DLL
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* This call should implement the allocation of the TLS.
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*
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* RETURNS:
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*
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* BUGS:
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* Remains unimplemented until Bertho finishes his ELF-DLL code
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*/
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BOOL WINAPI COMDLG32_DllEntryPoint(HINSTANCE hInstance,
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DWORD Reason,
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LPVOID Reserved
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);
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/***********************************************************************
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* COMDLG32_AllocTlsForCommDlgExtError [internal]
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*
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* Allocates Thread Local Storage for the ComDlg32 local
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* last extended error
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*
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* RETURNS:
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* nothing.
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*
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* BUGS:
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* 1) FIXME: This function is only temporary, as this code *SHOULD*
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* be executed in the DLL Entrypoint. For now, it is done
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* this way.
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* 2) This allocated memory is NEVER freed again!
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*/
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void COMDLG32_AllocTlsForCommDlgExtError()
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{
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FIXME(commdlg, "TLS for CommDlgExtendedError allocated on-the-fly\n");
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if (COMDLG32_TlsIndex == COMDLG32_LAST_ERROR_NOT_ALLOCATED)
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COMDLG32_TlsIndex = TlsAlloc();
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if (COMDLG32_TlsIndex == 0xFFFFFFFF)
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ERR(commdlg, "No space for COMDLG32 TLS\n");
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}
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/***********************************************************************
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* COMDLG32_SetCommDlgExtendedError [internal]
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*
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* Used to set the thread's local error value if a comdlg32 function fails.
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*/
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void COMDLG32_SetCommDlgExtendedError(DWORD err)
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{
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/*FIXME: This check and the resulting alloc should be removed
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* when the DLL Entry code is finished
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*/
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if (COMDLG32_TlsIndex==COMDLG32_LAST_ERROR_NOT_ALLOCATED)
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COMDLG32_AllocTlsForCommDlgExtError();
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TlsSetValue(COMDLG32_TlsIndex, (void *)err);
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}
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/***********************************************************************
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* CommDlgExtendedError [COMDLG32.5]
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* [COMMDLG.26]
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* Get the thread's local error value if a comdlg32 function fails.
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* RETURNS
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* Current error value which might not be valid
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* if a previous call succeeded.
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*/
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DWORD WINAPI CommDlgExtendedError(void)
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{
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/*FIXME: This check and the resulting alloc should be removed
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* when the DLL Entry code is finished
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*/
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if (COMDLG32_TlsIndex==COMDLG32_LAST_ERROR_NOT_ALLOCATED)
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COMDLG32_AllocTlsForCommDlgExtError();
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return (DWORD)TlsGetValue(COMDLG32_TlsIndex);
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}
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