mirror of
https://github.com/reactos/wine.git
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370 lines
11 KiB
C
370 lines
11 KiB
C
/*
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* msvcrt.dll dll data items
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*
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* Copyright 2000 Jon Griffiths
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <math.h>
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#include "msvcrt.h"
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#include "wine/library.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
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int MSVCRT___argc;
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unsigned int MSVCRT_basemajor;/* FIXME: */
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unsigned int MSVCRT_baseminor;/* FIXME: */
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unsigned int MSVCRT_baseversion; /* FIXME: */
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unsigned int MSVCRT__commode;
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unsigned int MSVCRT__fmode;
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unsigned int MSVCRT_osmajor;/* FIXME: */
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unsigned int MSVCRT_osminor;/* FIXME: */
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unsigned int MSVCRT_osmode;/* FIXME: */
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unsigned int MSVCRT__osver;
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unsigned int MSVCRT_osversion; /* FIXME: */
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unsigned int MSVCRT__winmajor;
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unsigned int MSVCRT__winminor;
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unsigned int MSVCRT__winver;
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unsigned int MSVCRT___setlc_active;
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unsigned int MSVCRT___unguarded_readlc_active;
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double MSVCRT__HUGE;
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char **MSVCRT___argv;
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MSVCRT_wchar_t **MSVCRT___wargv;
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char *MSVCRT__acmdln;
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MSVCRT_wchar_t *MSVCRT__wcmdln;
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char **_environ = 0;
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MSVCRT_wchar_t **_wenviron = 0;
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char **MSVCRT___initenv = 0;
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MSVCRT_wchar_t **MSVCRT___winitenv = 0;
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int MSVCRT_app_type;
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char* MSVCRT__pgmptr = 0;
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WCHAR* MSVCRT__wpgmptr = 0;
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/* Get a snapshot of the current environment
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* and construct the __p__environ array
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*
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* The pointer returned from GetEnvironmentStrings may get invalid when
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* some other module cause a reallocation of the env-variable block
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*
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* blk is an array of pointers to environment strings, ending with a NULL
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* and after that the actual copy of the environment strings, ending in a \0
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*/
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char ** msvcrt_SnapshotOfEnvironmentA(char **blk)
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{
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char* environ_strings = GetEnvironmentStringsA();
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int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
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char *ptr;
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for (ptr = environ_strings; *ptr; ptr += strlen(ptr) + 1)
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{
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count++;
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len += strlen(ptr) + 1;
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}
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if (blk)
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blk = HeapReAlloc( GetProcessHeap(), 0, blk, count* sizeof(char*) + len );
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else
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blk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(char*) + len );
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if (blk)
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{
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if (count)
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{
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memcpy(&blk[count],environ_strings,len);
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for (ptr = (char*) &blk[count]; *ptr; ptr += strlen(ptr) + 1)
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{
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blk[i++] = ptr;
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}
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}
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blk[i] = NULL;
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}
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FreeEnvironmentStringsA(environ_strings);
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return blk;
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}
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MSVCRT_wchar_t ** msvcrt_SnapshotOfEnvironmentW(MSVCRT_wchar_t **wblk)
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{
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MSVCRT_wchar_t* wenviron_strings = GetEnvironmentStringsW();
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int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
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MSVCRT_wchar_t *wptr;
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for (wptr = wenviron_strings; *wptr; wptr += strlenW(wptr) + 1)
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{
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count++;
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len += strlenW(wptr) + 1;
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}
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if (wblk)
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wblk = HeapReAlloc( GetProcessHeap(), 0, wblk, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
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else
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wblk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
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if (wblk)
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{
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if (count)
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{
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memcpy(&wblk[count],wenviron_strings,len * sizeof(MSVCRT_wchar_t));
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for (wptr = (MSVCRT_wchar_t*)&wblk[count]; *wptr; wptr += strlenW(wptr) + 1)
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{
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wblk[i++] = wptr;
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}
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}
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wblk[i] = NULL;
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}
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FreeEnvironmentStringsW(wenviron_strings);
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return wblk;
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}
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typedef void (*_INITTERMFUN)(void);
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/***********************************************************************
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* __p___argc (MSVCRT.@)
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*/
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int* CDECL __p___argc(void) { return &MSVCRT___argc; }
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/***********************************************************************
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* __p__commode (MSVCRT.@)
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*/
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unsigned int* CDECL __p__commode(void) { return &MSVCRT__commode; }
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/***********************************************************************
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* __p__pgmptr (MSVCRT.@)
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*/
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char** CDECL __p__pgmptr(void) { return &MSVCRT__pgmptr; }
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/***********************************************************************
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* __p__wpgmptr (MSVCRT.@)
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*/
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WCHAR** CDECL __p__wpgmptr(void) { return &MSVCRT__wpgmptr; }
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/***********************************************************************
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* __p__fmode (MSVCRT.@)
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*/
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unsigned int* CDECL __p__fmode(void) { return &MSVCRT__fmode; }
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/***********************************************************************
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* __p__osver (MSVCRT.@)
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*/
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unsigned int* CDECL __p__osver(void) { return &MSVCRT__osver; }
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/***********************************************************************
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* __p__winmajor (MSVCRT.@)
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*/
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unsigned int* CDECL __p__winmajor(void) { return &MSVCRT__winmajor; }
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/***********************************************************************
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* __p__winminor (MSVCRT.@)
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*/
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unsigned int* CDECL __p__winminor(void) { return &MSVCRT__winminor; }
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/***********************************************************************
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* __p__winver (MSVCRT.@)
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*/
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unsigned int* CDECL __p__winver(void) { return &MSVCRT__winver; }
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/*********************************************************************
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* __p__acmdln (MSVCRT.@)
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*/
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char** CDECL __p__acmdln(void) { return &MSVCRT__acmdln; }
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/*********************************************************************
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* __p__wcmdln (MSVCRT.@)
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*/
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MSVCRT_wchar_t** CDECL __p__wcmdln(void) { return &MSVCRT__wcmdln; }
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/*********************************************************************
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* __p___argv (MSVCRT.@)
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*/
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char*** CDECL __p___argv(void) { return &MSVCRT___argv; }
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/*********************************************************************
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* __p___wargv (MSVCRT.@)
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*/
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MSVCRT_wchar_t*** CDECL __p___wargv(void) { return &MSVCRT___wargv; }
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/*********************************************************************
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* __p__environ (MSVCRT.@)
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*/
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char*** CDECL __p__environ(void)
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{
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if (!_environ)
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_environ = msvcrt_SnapshotOfEnvironmentA(NULL);
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return &_environ;
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}
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/*********************************************************************
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* __p__wenviron (MSVCRT.@)
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*/
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MSVCRT_wchar_t*** CDECL __p__wenviron(void)
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{
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if (!_wenviron)
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_wenviron = msvcrt_SnapshotOfEnvironmentW(NULL);
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return &_wenviron;
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}
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/*********************************************************************
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* __p___initenv (MSVCRT.@)
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*/
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char*** CDECL __p___initenv(void) { return &MSVCRT___initenv; }
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/*********************************************************************
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* __p___winitenv (MSVCRT.@)
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*/
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MSVCRT_wchar_t*** CDECL __p___winitenv(void) { return &MSVCRT___winitenv; }
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/* INTERNAL: Create a wide string from an ascii string */
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static MSVCRT_wchar_t *wstrdupa(const char *str)
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{
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const size_t len = strlen(str) + 1 ;
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MSVCRT_wchar_t *wstr = MSVCRT_malloc(len* sizeof (MSVCRT_wchar_t));
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if (!wstr)
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return NULL;
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MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
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return wstr;
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}
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/* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
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* we initialise data values during DLL loading. When called by a native
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* program we simply return the data we've already initialised. This also means
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* you can call multiple times without leaking
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*/
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void msvcrt_init_args(void)
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{
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DWORD version;
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MSVCRT__acmdln = _strdup( GetCommandLineA() );
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MSVCRT__wcmdln = wstrdupa(MSVCRT__acmdln);
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MSVCRT___argc = __wine_main_argc;
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MSVCRT___argv = __wine_main_argv;
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MSVCRT___wargv = __wine_main_wargv;
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TRACE("got %s, wide = %s argc=%d\n", debugstr_a(MSVCRT__acmdln),
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debugstr_w(MSVCRT__wcmdln),MSVCRT___argc);
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version = GetVersion();
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MSVCRT__osver = version >> 16;
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MSVCRT__winminor = version & 0xFF;
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MSVCRT__winmajor = (version>>8) & 0xFF;
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MSVCRT_baseversion = version >> 16;
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MSVCRT__winver = ((version >> 8) & 0xFF) + ((version & 0xFF) << 8);
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MSVCRT_baseminor = (version >> 16) & 0xFF;
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MSVCRT_basemajor = (version >> 24) & 0xFF;
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MSVCRT_osversion = version & 0xFFFF;
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MSVCRT_osminor = version & 0xFF;
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MSVCRT_osmajor = (version>>8) & 0xFF;
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MSVCRT__HUGE = HUGE_VAL;
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MSVCRT___setlc_active = 0;
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MSVCRT___unguarded_readlc_active = 0;
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MSVCRT__fmode = MSVCRT__O_TEXT;
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MSVCRT___initenv= msvcrt_SnapshotOfEnvironmentA(NULL);
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MSVCRT___winitenv= msvcrt_SnapshotOfEnvironmentW(NULL);
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MSVCRT__pgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH);
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if (MSVCRT__pgmptr)
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{
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if (!GetModuleFileNameA(0, MSVCRT__pgmptr, MAX_PATH))
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MSVCRT__pgmptr[0] = '\0';
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else
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MSVCRT__pgmptr[MAX_PATH - 1] = '\0';
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}
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MSVCRT__wpgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
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if (MSVCRT__wpgmptr)
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{
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if (!GetModuleFileNameW(0, MSVCRT__wpgmptr, MAX_PATH))
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MSVCRT__wpgmptr[0] = '\0';
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else
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MSVCRT__wpgmptr[MAX_PATH - 1] = '\0';
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}
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}
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/* INTERNAL: free memory used by args */
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void msvcrt_free_args(void)
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{
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/* FIXME: more things to free */
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HeapFree(GetProcessHeap(), 0, MSVCRT___initenv);
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HeapFree(GetProcessHeap(), 0, MSVCRT___winitenv);
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HeapFree(GetProcessHeap(), 0, _environ);
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HeapFree(GetProcessHeap(), 0, _wenviron);
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HeapFree(GetProcessHeap(), 0, MSVCRT__pgmptr);
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HeapFree(GetProcessHeap(), 0, MSVCRT__wpgmptr);
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}
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/*********************************************************************
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* __getmainargs (MSVCRT.@)
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*/
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void CDECL __getmainargs(int *argc, char** *argv, char** *envp,
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int expand_wildcards, int *new_mode)
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{
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TRACE("(%p,%p,%p,%d,%p).\n", argc, argv, envp, expand_wildcards, new_mode);
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*argc = MSVCRT___argc;
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*argv = MSVCRT___argv;
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*envp = MSVCRT___initenv;
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if (new_mode)
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MSVCRT__set_new_mode( *new_mode );
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}
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/*********************************************************************
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* __wgetmainargs (MSVCRT.@)
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*/
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void CDECL __wgetmainargs(int *argc, MSVCRT_wchar_t** *wargv, MSVCRT_wchar_t** *wenvp,
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int expand_wildcards, int *new_mode)
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{
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TRACE("(%p,%p,%p,%d,%p).\n", argc, wargv, wenvp, expand_wildcards, new_mode);
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*argc = MSVCRT___argc;
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*wargv = MSVCRT___wargv;
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*wenvp = MSVCRT___winitenv;
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if (new_mode)
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MSVCRT__set_new_mode( *new_mode );
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}
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/*********************************************************************
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* _initterm (MSVCRT.@)
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*/
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unsigned int CDECL _initterm(_INITTERMFUN *start,_INITTERMFUN *end)
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{
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_INITTERMFUN* current = start;
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unsigned int count=0;
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TRACE("(%p,%p)\n",start,end);
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while (current<end)
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{
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if (*current)
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{
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TRACE("Call init function %p\n",*current);
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(**current)();
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TRACE("returned\n");
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count++;
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}
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current++;
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}
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return count;
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}
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/*********************************************************************
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* __set_app_type (MSVCRT.@)
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*/
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void CDECL MSVCRT___set_app_type(int app_type)
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{
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TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
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MSVCRT_app_type = app_type;
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}
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