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276 lines
7.1 KiB
C
276 lines
7.1 KiB
C
/*
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* msvcrt.dll exit functions
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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 <stdio.h>
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#include "msvcrt.h"
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#include "mtdll.h"
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#include "winuser.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
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/* MT */
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#define LOCK_EXIT _mlock(_EXIT_LOCK1)
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#define UNLOCK_EXIT _munlock(_EXIT_LOCK1)
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static MSVCRT__onexit_t *MSVCRT_atexit_table = NULL;
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static int MSVCRT_atexit_table_size = 0;
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static int MSVCRT_atexit_registered = 0; /* Points to free slot */
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static MSVCRT_purecall_handler purecall_handler = NULL;
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static const char szMsgBoxTitle[] = "Wine C++ Runtime Library";
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extern int MSVCRT_app_type;
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extern char *MSVCRT__pgmptr;
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void (*CDECL _aexit_rtn)(int) = MSVCRT__exit;
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/* INTERNAL: call atexit functions */
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static void __MSVCRT__call_atexit(void)
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{
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/* Note: should only be called with the exit lock held */
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TRACE("%d atext functions to call\n", MSVCRT_atexit_registered);
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/* Last registered gets executed first */
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while (MSVCRT_atexit_registered > 0)
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{
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MSVCRT_atexit_registered--;
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TRACE("next is %p\n",MSVCRT_atexit_table[MSVCRT_atexit_registered]);
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if (MSVCRT_atexit_table[MSVCRT_atexit_registered])
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(*MSVCRT_atexit_table[MSVCRT_atexit_registered])();
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TRACE("returned\n");
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}
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}
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/*********************************************************************
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* __dllonexit (MSVCRT.@)
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*/
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MSVCRT__onexit_t CDECL __dllonexit(MSVCRT__onexit_t func, MSVCRT__onexit_t **start, MSVCRT__onexit_t **end)
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{
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MSVCRT__onexit_t *tmp;
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int len;
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TRACE("(%p,%p,%p)\n", func, start, end);
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if (!start || !*start || !end || !*end)
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{
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FIXME("bad table\n");
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return NULL;
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}
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len = (*end - *start);
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TRACE("table start %p-%p, %d entries\n", *start, *end, len);
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if (++len <= 0)
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return NULL;
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tmp = MSVCRT_realloc(*start, len * sizeof(tmp));
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if (!tmp)
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return NULL;
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*start = tmp;
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*end = tmp + len;
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tmp[len - 1] = func;
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TRACE("new table start %p-%p, %d entries\n", *start, *end, len);
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return func;
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}
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/*********************************************************************
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* _exit (MSVCRT.@)
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*/
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void CDECL MSVCRT__exit(int exitcode)
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{
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TRACE("(%d)\n", exitcode);
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ExitProcess(exitcode);
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}
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/* Print out an error message with an option to debug */
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static void DoMessageBox(LPCSTR lead, LPCSTR message)
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{
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MSGBOXPARAMSA msgbox;
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char text[2048];
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INT ret;
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snprintf(text,sizeof(text),"%s\n\nProgram: %s\n%s\n\n"
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"Press OK to exit the program, or Cancel to start the Wine debugger.\n ",
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lead, MSVCRT__pgmptr, message);
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msgbox.cbSize = sizeof(msgbox);
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msgbox.hwndOwner = GetActiveWindow();
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msgbox.hInstance = 0;
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msgbox.lpszText = text;
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msgbox.lpszCaption = szMsgBoxTitle;
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msgbox.dwStyle = MB_OKCANCEL|MB_ICONERROR;
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msgbox.lpszIcon = NULL;
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msgbox.dwContextHelpId = 0;
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msgbox.lpfnMsgBoxCallback = NULL;
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msgbox.dwLanguageId = LANG_NEUTRAL;
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ret = MessageBoxIndirectA(&msgbox);
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if (ret == IDCANCEL)
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DebugBreak();
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}
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/*********************************************************************
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* _amsg_exit (MSVCRT.@)
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*/
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void CDECL _amsg_exit(int errnum)
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{
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TRACE("(%d)\n", errnum);
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/* FIXME: text for the error number. */
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if (MSVCRT_app_type == 2)
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{
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char text[32];
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sprintf(text, "Error: R60%d",errnum);
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DoMessageBox("Runtime error!", text);
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}
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else
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_cprintf("\nruntime error R60%d\n",errnum);
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_aexit_rtn(255);
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}
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/*********************************************************************
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* abort (MSVCRT.@)
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*/
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void CDECL MSVCRT_abort(void)
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{
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TRACE("()\n");
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if (MSVCRT_app_type == 2)
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{
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DoMessageBox("Runtime error!", "abnormal program termination");
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}
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else
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_cputs("\nabnormal program termination\n");
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MSVCRT_raise(MSVCRT_SIGABRT);
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/* in case raise() returns */
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MSVCRT__exit(3);
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}
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/*********************************************************************
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* _assert (MSVCRT.@)
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*/
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void CDECL MSVCRT__assert(const char* str, const char* file, unsigned int line)
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{
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TRACE("(%s,%s,%d)\n",str,file,line);
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if (MSVCRT_app_type == 2)
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{
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char text[2048];
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snprintf(text, sizeof(text), "File: %s\nLine: %d\n\nExpression: \"%s\"", file, line, str);
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DoMessageBox("Assertion failed!", text);
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}
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else
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_cprintf("Assertion failed: %s, file %s, line %d\n\n",str, file, line);
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MSVCRT_raise(MSVCRT_SIGABRT);
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/* in case raise() returns */
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MSVCRT__exit(3);
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}
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/*********************************************************************
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* _c_exit (MSVCRT.@)
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*/
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void CDECL MSVCRT__c_exit(void)
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{
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TRACE("(void)\n");
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/* All cleanup is done on DLL detach; Return to caller */
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}
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/*********************************************************************
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* _cexit (MSVCRT.@)
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*/
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void CDECL MSVCRT__cexit(void)
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{
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TRACE("(void)\n");
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LOCK_EXIT;
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__MSVCRT__call_atexit();
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UNLOCK_EXIT;
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}
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/*********************************************************************
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* _onexit (MSVCRT.@)
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*/
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MSVCRT__onexit_t CDECL MSVCRT__onexit(MSVCRT__onexit_t func)
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{
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TRACE("(%p)\n",func);
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if (!func)
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return NULL;
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LOCK_EXIT;
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if (MSVCRT_atexit_registered > MSVCRT_atexit_table_size - 1)
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{
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MSVCRT__onexit_t *newtable;
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TRACE("expanding table\n");
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newtable = MSVCRT_calloc(sizeof(void *),MSVCRT_atexit_table_size + 32);
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if (!newtable)
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{
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TRACE("failed!\n");
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UNLOCK_EXIT;
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return NULL;
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}
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memcpy (newtable, MSVCRT_atexit_table, MSVCRT_atexit_table_size);
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MSVCRT_atexit_table_size += 32;
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MSVCRT_free (MSVCRT_atexit_table);
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MSVCRT_atexit_table = newtable;
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}
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MSVCRT_atexit_table[MSVCRT_atexit_registered] = func;
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MSVCRT_atexit_registered++;
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UNLOCK_EXIT;
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return func;
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}
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/*********************************************************************
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* exit (MSVCRT.@)
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*/
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void CDECL MSVCRT_exit(int exitcode)
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{
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TRACE("(%d)\n",exitcode);
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MSVCRT__cexit();
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ExitProcess(exitcode);
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}
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/*********************************************************************
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* atexit (MSVCRT.@)
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*/
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int CDECL MSVCRT_atexit(void (*func)(void))
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{
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TRACE("(%p)\n", func);
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return MSVCRT__onexit((MSVCRT__onexit_t)func) == (MSVCRT__onexit_t)func ? 0 : -1;
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}
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/* _set_purecall_handler - not exported in native msvcrt */
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MSVCRT_purecall_handler CDECL _set_purecall_handler(MSVCRT_purecall_handler function)
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{
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MSVCRT_purecall_handler ret = purecall_handler;
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TRACE("(%p)\n", function);
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purecall_handler = function;
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return ret;
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}
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/*********************************************************************
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* _purecall (MSVCRT.@)
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*/
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void CDECL _purecall(void)
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{
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TRACE("(void)\n");
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if(purecall_handler)
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purecall_handler();
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_amsg_exit( 25 );
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}
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