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69 lines
2.4 KiB
69 lines
2.4 KiB
/***
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*dll_argv.c - __setargv() routine for use with C Run-Time as a DLL (CRTDLL)
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*
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* Copyright (c) 1994-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This object is part of the start-up code for EXE's linked with
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* CRTDLL.LIB/MSVCRT.LIB. This object will be linked into the user
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* EXE if and only if the user explicitly links with SETARGV.OBJ.
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* The code in this object sets the flag that is passed to the
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* C Run-Time DLL to enable wildcard expansion of the argv[] vector.
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*
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*Revision History:
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* 03-04-94 SKS Initial version
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* 03-27-01 PML Now return an int (vs7#231220)
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*
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*******************************************************************************/
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#ifndef _POSIX_
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#ifdef CRTDLL
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#include <cruntime.h>
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#include <internal.h>
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/***
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*__setargv - dummy version (for wildcard expansion) for CRTDLL.DLL model only
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*
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*Purpose:
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* If the EXE that is linked with CRTDLL.LIB is linked explicitly with
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* SETARGV.OBJ, the call to _setargv() in the C Run-Time start-up code
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* (above) will call this routine, instead of calling a dummy version of
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* _setargv() which will do nothing. This will set to one the static
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* variable which is passed to __getmainargs(), thus enabling wildcard
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* expansion of the command line arguments.
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*
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* In the statically-linked C Run-Time models, _setargv() and __setargv()
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* are the actual routines that do the work, but this code exists in
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* CRTDLL.DLL and so some tricks have to be played to make the same
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* SETARGV.OBJ work for EXE's linked with both LIBC.LIB and CRTDLL.LIB.
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*
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*Entry:
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* The static variable _dowildcard is zero (presumably).
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*
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*Exit:
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* The static variable _dowildcard is set to one, meaning that the
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* routine __getmainargs() in CRTDLL.DLL *will* do wildcard expansion on
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* the command line arguments. (The default behavior is that it won't.)
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* Always return 0 (full version in DLL code returns -1 on error)
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern int _dowildcard; /* should be in <internal.h> */
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#ifdef WPRFLAG
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int __cdecl __wsetargv ( void )
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#else
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int __cdecl __setargv ( void )
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#endif
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{
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_dowildcard = 1;
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return 0;
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}
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#endif /* CRTDLL */
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#endif /* !_POSIX_ */
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