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132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
/*
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* CRTDLL memory functions
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*
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* Copyright 1996,1998 Marcus Meissner
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* Copyright 1996 Jukka Iivonen
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* Copyright 1997,2000 Uwe Bonnes
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* Copyright 2000 Jon Griffiths
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*
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* Implementation Notes:
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* MT Safe.
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*/
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#include "crtdll.h"
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DEFAULT_DEBUG_CHANNEL(crtdll);
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static new_handler_type new_handler;
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/*********************************************************************
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* new (CRTDLL.001)
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*
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* Allocate memory.
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*/
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LPVOID __cdecl CRTDLL_new(DWORD size)
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{
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VOID* result;
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if(!(result = HeapAlloc(GetProcessHeap(),0,size)) && new_handler)
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(*new_handler)();
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return result;
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}
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/*********************************************************************
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* delete (CRTDLL.002)
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*
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* Free memory created with new.
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*/
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VOID __cdecl CRTDLL_delete(LPVOID ptr)
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{
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HeapFree(GetProcessHeap(),0,ptr);
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}
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/*********************************************************************
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* set_new_handler(CRTDLL.003)
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*/
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new_handler_type __cdecl CRTDLL_set_new_handler(new_handler_type func)
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{
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new_handler_type old_handler = new_handler;
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new_handler = func;
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return old_handler;
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}
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/*********************************************************************
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* _expand (CRTDLL.088)
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*
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* Increase the size of a block of memory allocated with malloc()
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* or realloc().
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*/
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LPVOID __cdecl CRTDLL__expand(LPVOID ptr, INT size)
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{
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return HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, ptr, size );
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}
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/*********************************************************************
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* _msize (CRTDLL.234)
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*
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* Return the actual used size of an allocated block of memory.
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*
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*/
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LONG __cdecl CRTDLL__msize(LPVOID mem)
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{
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LONG size = HeapSize(GetProcessHeap(),0,mem);
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if (size == -1)
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{
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WARN(":Probably called with non wine-allocated memory, ret = -1\n");
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/* At least the win98/nt crtdlls also return -1 in this case */
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}
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return size;
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}
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/*********************************************************************
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* calloc (CRTDLL.350)
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*
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* Allocate memory from the heap and initialise it to zero.
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*/
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LPVOID __cdecl CRTDLL_calloc(DWORD size, DWORD count)
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{
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return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size * count );
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}
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/*********************************************************************
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* free (CRTDLL.375)
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*
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* Free a block of memory allocated with malloc()
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*/
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VOID __cdecl CRTDLL_free(LPVOID ptr)
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{
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HeapFree(GetProcessHeap(),0,ptr);
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}
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/*********************************************************************
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* malloc (CRTDLL.424)
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*
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* Alocate memory from the heap.
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*/
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LPVOID __cdecl CRTDLL_malloc(DWORD size)
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{
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LPVOID ret = HeapAlloc(GetProcessHeap(),0,size);
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if (!ret)
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__CRTDLL__set_errno(GetLastError());
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return ret;
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}
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/*********************************************************************
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* realloc (CRTDLL.444)
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*
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* Resize a block of memory allocated with malloc() or realloc().
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*/
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LPVOID __cdecl CRTDLL_realloc( VOID *ptr, DWORD size )
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{
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return HeapReAlloc( GetProcessHeap(), 0, ptr, size );
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}
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