771 lines
20 KiB
C
771 lines
20 KiB
C
/*
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* Global heap functions
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*
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* Copyright 1995 Alexandre Julliard
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "windows.h"
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#include "global.h"
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#include "toolhelp.h"
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#include "selectors.h"
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#include "dde_mem.h"
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#include "stackframe.h"
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#include "options.h"
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#include "stddebug.h"
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#include "debug.h"
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/* Global arena block */
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typedef struct
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{
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DWORD base; /* Base address */
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DWORD size; /* Size in bytes (0 indicates a free block) */
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HGLOBAL handle; /* Handle for this block */
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HGLOBAL hOwner; /* Owner of this block */
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BYTE lockCount; /* Count of GlobalFix() calls */
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BYTE pageLockCount; /* Count of GlobalPageLock() calls */
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BYTE flags; /* Allocation flags */
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BYTE selCount; /* Number of selectors allocated for this block */
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int shmid;
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} GLOBALARENA;
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/* Flags definitions */
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#define GA_MOVEABLE 0x02 /* same as GMEM_MOVEABLE */
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#define GA_DGROUP 0x04
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#define GA_DISCARDABLE 0x08
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#define GA_IPCSHARE 0x10 /* same as GMEM_DDESHARE */
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/* Arena array */
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static GLOBALARENA *pGlobalArena = NULL;
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static int globalArenaSize = 0;
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#define GLOBAL_MAX_ALLOC_SIZE 0x00ff0000 /* Largest allocation is 16M - 64K */
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#define GET_ARENA_PTR(handle) (pGlobalArena + ((handle) >> __AHSHIFT))
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/***********************************************************************
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* GLOBAL_GetArena
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*
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* Return the arena for a given selector, growing the arena array if needed.
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*/
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static GLOBALARENA *GLOBAL_GetArena( WORD sel, WORD selcount )
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{
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if (((sel >> __AHSHIFT) + selcount) > globalArenaSize)
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{
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int newsize = ((sel >> __AHSHIFT) + selcount + 0xff) & ~0xff;
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GLOBALARENA *pNewArena = realloc( pGlobalArena,
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newsize * sizeof(GLOBALARENA) );
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if (!pNewArena) return 0;
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pGlobalArena = pNewArena;
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memset( pGlobalArena + globalArenaSize, 0,
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(newsize - globalArenaSize) * sizeof(GLOBALARENA) );
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globalArenaSize = newsize;
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}
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return pGlobalArena + (sel >> __AHSHIFT);
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}
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void debug_handles()
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{
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int printed=0;
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int i;
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for (i = globalArenaSize-1 ; i>=0 ; i--) {
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if (pGlobalArena[i].size!=0 && (pGlobalArena[i].handle & 0x8000)){
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printed=1;
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printf("0x%08x, ",pGlobalArena[i].handle);
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}
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}
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if (printed)
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printf("\n");
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}
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/***********************************************************************
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* GLOBAL_CreateBlock
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*
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* Create a global heap block for a fixed range of linear memory.
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*/
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HGLOBAL GLOBAL_CreateBlock( WORD flags, void *ptr, DWORD size,
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HGLOBAL hOwner, BOOL isCode,
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BOOL is32Bit, BOOL isReadOnly,
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SHMDATA *shmdata )
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{
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WORD sel, selcount;
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GLOBALARENA *pArena;
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/* Allocate the selector(s) */
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sel = SELECTOR_AllocBlock( ptr, size,
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isCode ? SEGMENT_CODE : SEGMENT_DATA,
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is32Bit, isReadOnly );
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if (!sel) return 0;
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selcount = (size + 0xffff) / 0x10000;
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if (!(pArena = GLOBAL_GetArena( sel, selcount )))
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{
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FreeSelector( sel );
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return 0;
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}
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/* Fill the arena block */
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pArena->base = (DWORD)ptr;
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pArena->size = GET_SEL_LIMIT(sel) + 1;
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if ((flags & GMEM_DDESHARE) && Options.ipc)
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{
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pArena->handle = shmdata->handle;
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pArena->shmid = shmdata->shmid;
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shmdata->sel = sel;
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}
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else
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{
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pArena->handle = (flags & GMEM_MOVEABLE) ? sel - 1 : sel;
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pArena->shmid = 0;
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}
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pArena->hOwner = hOwner;
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pArena->lockCount = 0;
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pArena->pageLockCount = 0;
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pArena->flags = flags & GA_MOVEABLE;
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if (flags & GMEM_DISCARDABLE) pArena->flags |= GA_DISCARDABLE;
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if (flags & GMEM_DDESHARE) pArena->flags |= GA_IPCSHARE;
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if (!isCode) pArena->flags |= GA_DGROUP;
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pArena->selCount = selcount;
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if (selcount > 1) /* clear the next arena blocks */
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memset( pArena + 1, 0, (selcount - 1) * sizeof(GLOBALARENA) );
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return pArena->handle;
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}
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/***********************************************************************
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* GLOBAL_FreeBlock
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*
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* Free a block allocated by GLOBAL_CreateBlock, without touching
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* the associated linear memory range.
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*/
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BOOL GLOBAL_FreeBlock( HGLOBAL handle )
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{
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WORD sel;
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if (!handle) return TRUE;
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sel = GlobalHandleToSel( handle );
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if (FreeSelector( sel )) return FALSE; /* failed */
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memset( GET_ARENA_PTR(sel), 0, sizeof(GLOBALARENA) );
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return TRUE;
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}
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/***********************************************************************
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* GLOBAL_Alloc
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*
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* Implementation of GlobalAlloc()
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*/
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HGLOBAL GLOBAL_Alloc( WORD flags, DWORD size, HGLOBAL hOwner,
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BOOL isCode, BOOL is32Bit, BOOL isReadOnly )
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{
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void *ptr;
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HGLOBAL handle;
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SHMDATA shmdata;
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dprintf_global( stddeb, "GlobalAlloc: %ld flags=%04x\n", size, flags );
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/* Fixup the size */
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if (size >= GLOBAL_MAX_ALLOC_SIZE - 0x1f) return 0;
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if (size == 0) size = 0x20;
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else size = (size + 0x1f) & ~0x1f;
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/* Allocate the linear memory */
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#ifdef CONFIG_IPC
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if ((flags & GMEM_DDESHARE) && Options.ipc)
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ptr = DDE_malloc(flags, size, &shmdata);
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else
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#endif /* CONFIG_IPC */
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ptr = malloc( size );
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if (!ptr) return 0;
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/* Allocate the selector(s) */
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handle = GLOBAL_CreateBlock( flags, ptr, size, hOwner,
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isCode, is32Bit, isReadOnly, &shmdata);
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if (!handle)
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{
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free( ptr );
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return 0;
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}
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if (flags & GMEM_ZEROINIT) memset( ptr, 0, size );
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return handle;
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}
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#ifdef CONFIG_IPC
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/***********************************************************************
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* GLOBAL_FindArena
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*
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* Find the arena for a given handle
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* (when handle is not serial - e.g. DDE)
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*/
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static GLOBALARENA *GLOBAL_FindArena( HGLOBAL handle)
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{
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int i;
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for (i = globalArenaSize-1 ; i>=0 ; i--) {
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if (pGlobalArena[i].size!=0 && pGlobalArena[i].handle == handle)
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return ( &pGlobalArena[i] );
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}
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return NULL;
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}
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/***********************************************************************
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* DDE_GlobalHandleToSel
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*/
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WORD DDE_GlobalHandleToSel( HGLOBAL handle )
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{
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GLOBALARENA *pArena;
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SEGPTR segptr;
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pArena= GLOBAL_FindArena(handle);
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if (pArena) {
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int ArenaIdx = pArena - pGlobalArena;
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/* See if synchronized to the shared memory */
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return DDE_SyncHandle(handle, ( ArenaIdx << __AHSHIFT) | 7);
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}
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/* attach the block */
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DDE_AttachHandle(handle, &segptr);
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return SELECTOROF( segptr );
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}
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#endif /* CONFIG_IPC */
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/***********************************************************************
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* GlobalAlloc (KERNEL.15)
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*/
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HGLOBAL GlobalAlloc( WORD flags, DWORD size )
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{
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HANDLE owner = GetCurrentPDB();
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if (flags & GMEM_DDESHARE)
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owner = GetExePtr(owner); /* Make it a module handle */
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return GLOBAL_Alloc( flags, size, owner, FALSE, FALSE, FALSE );
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}
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/***********************************************************************
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* GlobalReAlloc (KERNEL.16)
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*/
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HGLOBAL GlobalReAlloc( HGLOBAL handle, DWORD size, WORD flags )
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{
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WORD selcount;
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DWORD oldsize;
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void *ptr;
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GLOBALARENA *pArena, *pNewArena;
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WORD sel = GlobalHandleToSel( handle );
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dprintf_global( stddeb, "GlobalReAlloc: %04x %ld flags=%04x\n",
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handle, size, flags );
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if (!handle) return 0;
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#ifdef CONFIG_IPC
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if (Options.ipc && (flags & GMEM_DDESHARE || is_dde_handle(handle))) {
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fprintf(stdnimp,
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"GlobalReAlloc: shared memory reallocating unimplemented\n");
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return 0;
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}
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#endif /* CONFIG_IPC */
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pArena = GET_ARENA_PTR( handle );
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/* Discard the block if requested */
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if ((size == 0) && (flags & GMEM_MOVEABLE) && !(flags & GMEM_MODIFY))
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{
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if (!(pArena->flags & GA_MOVEABLE) ||
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!(pArena->flags & GA_DISCARDABLE) ||
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(pArena->lockCount > 0) || (pArena->pageLockCount > 0)) return 0;
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free( (void *)pArena->base );
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pArena->base = 0;
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/* Note: we rely on the fact that SELECTOR_ReallocBlock won't */
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/* change the selector if we are shrinking the block */
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SELECTOR_ReallocBlock( sel, 0, 1, SEGMENT_DATA, 0, 0 );
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return handle;
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}
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/* Fixup the size */
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if (size > GLOBAL_MAX_ALLOC_SIZE - 0x20) return 0;
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if (size == 0) size = 0x20;
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else size = (size + 0x1f) & ~0x1f;
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/* Change the flags */
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if (flags & GMEM_MODIFY)
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{
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/* Change the flags, leaving GA_DGROUP alone */
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pArena->flags = (pArena->flags & GA_DGROUP) | (flags & GA_MOVEABLE);
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if (flags & GMEM_DISCARDABLE) pArena->flags |= GA_DISCARDABLE;
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return handle;
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}
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/* Reallocate the linear memory */
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ptr = (void *)pArena->base;
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oldsize = pArena->size;
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dprintf_global(stddeb,"oldsize %08lx\n",oldsize);
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if (size == oldsize) return handle; /* Nothing to do */
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ptr = realloc( ptr, size );
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if (!ptr)
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{
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FreeSelector( sel );
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memset( pArena, 0, sizeof(GLOBALARENA) );
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return 0;
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}
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/* Reallocate the selector(s) */
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sel = SELECTOR_ReallocBlock( sel, ptr, size, SEGMENT_DATA, 0, 0 );
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if (!sel)
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{
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free( ptr );
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memset( pArena, 0, sizeof(GLOBALARENA) );
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return 0;
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}
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selcount = (size + 0xffff) / 0x10000;
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if (!(pNewArena = GLOBAL_GetArena( sel, selcount )))
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{
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free( ptr );
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FreeSelector( sel );
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return 0;
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}
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/* Fill the new arena block */
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if (pNewArena != pArena) memcpy( pNewArena, pArena, sizeof(GLOBALARENA) );
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pNewArena->base = (DWORD)ptr;
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pNewArena->size = GET_SEL_LIMIT(sel) + 1;
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pNewArena->selCount = selcount;
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pNewArena->handle = (pNewArena->flags & GA_MOVEABLE) ? sel - 1 : sel;
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if (selcount > 1) /* clear the next arena blocks */
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memset( pNewArena + 1, 0, (selcount - 1) * sizeof(GLOBALARENA) );
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if ((oldsize < size) && (flags & GMEM_ZEROINIT))
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memset( (char *)ptr + oldsize, 0, size - oldsize );
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return pNewArena->handle;
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}
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/***********************************************************************
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* GlobalFree (KERNEL.17)
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*/
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HGLOBAL GlobalFree( HGLOBAL handle )
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{
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void *ptr = GlobalLock( handle );
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dprintf_global( stddeb, "GlobalFree: %04x\n", handle );
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if (!GLOBAL_FreeBlock( handle )) return handle; /* failed */
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#ifdef CONFIG_IPC
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if (is_dde_handle(handle)) return DDE_GlobalFree(handle);
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#endif /* CONFIG_IPC */
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if (ptr) free( ptr );
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return 0;
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}
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/***********************************************************************
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* WIN16_GlobalLock (KERNEL.18)
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*
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* This is the GlobalLock() function used by 16-bit code.
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*/
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SEGPTR WIN16_GlobalLock( HGLOBAL handle )
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{
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dprintf_global( stddeb, "WIN16_GlobalLock(%04x) -> %08lx\n",
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handle, MAKELONG( 0, GlobalHandleToSel(handle)) );
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if (!handle) return 0;
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#ifdef CONFIG_IPC
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if (is_dde_handle(handle))
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return (SEGPTR)MAKELONG( 0, DDE_GlobalHandleToSel(handle) );
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#endif /* CONFIG_IPC */
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if (!GET_ARENA_PTR(handle)->base) return (SEGPTR)0;
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return (SEGPTR)MAKELONG( 0, GlobalHandleToSel(handle) );
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}
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/***********************************************************************
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* GlobalLock (KERNEL.18)
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*
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* This is the GlobalLock() function used by 32-bit code.
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*/
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LPVOID GlobalLock( HGLOBAL handle )
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{
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if (!handle) return 0;
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#ifdef CONFIG_IPC
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if (is_dde_handle(handle)) return DDE_AttachHandle(handle, NULL);
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#endif
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return (LPSTR)GET_ARENA_PTR(handle)->base;
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}
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/***********************************************************************
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* GlobalUnlock (KERNEL.19)
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*/
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BOOL GlobalUnlock( HGLOBAL handle )
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{
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dprintf_global( stddeb, "GlobalUnlock: %04x\n", handle );
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return 0;
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}
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/***********************************************************************
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* GlobalSize (KERNEL.20)
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*/
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DWORD GlobalSize( HGLOBAL handle )
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{
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dprintf_global( stddeb, "GlobalSize: %04x\n", handle );
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if (!handle) return 0;
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return GET_ARENA_PTR(handle)->size;
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}
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/***********************************************************************
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* GlobalHandle (KERNEL.21)
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*/
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DWORD GlobalHandle( WORD sel )
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{
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dprintf_global( stddeb, "GlobalHandle: %04x\n", sel );
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return MAKELONG( GET_ARENA_PTR(sel)->handle, GlobalHandleToSel(sel) );
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}
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/***********************************************************************
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* GlobalFlags (KERNEL.22)
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*/
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WORD GlobalFlags( HGLOBAL handle )
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{
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GLOBALARENA *pArena;
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dprintf_global( stddeb, "GlobalFlags: %04x\n", handle );
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pArena = GET_ARENA_PTR(handle);
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return pArena->lockCount |
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((pArena->flags & GA_DISCARDABLE) ? GMEM_DISCARDABLE : 0) |
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((pArena->base == 0) ? GMEM_DISCARDED : 0);
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}
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/***********************************************************************
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* LockSegment (KERNEL.23)
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*/
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HGLOBAL LockSegment( HGLOBAL handle )
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{
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dprintf_global( stddeb, "LockSegment: %04x\n", handle );
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if (handle == (HGLOBAL)-1) handle = CURRENT_DS;
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GET_ARENA_PTR(handle)->lockCount++;
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return handle;
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}
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/***********************************************************************
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* UnlockSegment (KERNEL.24)
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*/
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void UnlockSegment( HGLOBAL handle )
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{
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dprintf_global( stddeb, "UnlockSegment: %04x\n", handle );
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if (handle == (HGLOBAL)-1) handle = CURRENT_DS;
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GET_ARENA_PTR(handle)->lockCount--;
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/* FIXME: this ought to return the lock count in CX (go figure...) */
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}
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/***********************************************************************
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* GlobalCompact (KERNEL.25)
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*/
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DWORD GlobalCompact( DWORD desired )
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{
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return GLOBAL_MAX_ALLOC_SIZE;
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}
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/***********************************************************************
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* GlobalFreeAll (KERNEL.26)
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*/
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void GlobalFreeAll( HANDLE owner )
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{
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DWORD i;
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GLOBALARENA *pArena;
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pArena = pGlobalArena;
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for (i = 0; i < globalArenaSize; i++, pArena++)
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{
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if ((pArena->size != 0) && (pArena->hOwner == owner))
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GlobalFree( pArena->handle );
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}
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}
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/***********************************************************************
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* GlobalWire (KERNEL.111)
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*/
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SEGPTR GlobalWire( HGLOBAL handle )
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{
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return WIN16_GlobalLock( handle );
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}
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/***********************************************************************
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* GlobalUnWire (KERNEL.112)
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*/
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BOOL GlobalUnWire( HGLOBAL handle )
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{
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return GlobalUnlock( handle );
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}
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/***********************************************************************
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* GlobalDOSAlloc (KERNEL.184)
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*/
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DWORD GlobalDOSAlloc( DWORD size )
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{
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WORD sel = GlobalAlloc( GMEM_FIXED, size );
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if (!sel) return 0;
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return MAKELONG( sel, sel /* this one ought to be a real-mode segment */ );
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}
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/***********************************************************************
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* GlobalDOSFree (KERNEL.185)
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*/
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WORD GlobalDOSFree( WORD sel )
|
|
{
|
|
return GlobalFree( GlobalHandle(sel) ) ? sel : 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetSwapAreaSize (KERNEL.106)
|
|
*/
|
|
LONG SetSwapAreaSize( WORD size )
|
|
{
|
|
dprintf_global(stdnimp, "STUB: SetSwapAreaSize(%d)\n", size );
|
|
return MAKELONG( size, 0xffff );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalLRUOldest (KERNEL.163)
|
|
*/
|
|
HGLOBAL GlobalLRUOldest( HGLOBAL handle )
|
|
{
|
|
dprintf_global( stddeb, "GlobalLRUOldest: %04x\n", handle );
|
|
if (handle == (HGLOBAL)-1) handle = CURRENT_DS;
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalLRUNewest (KERNEL.164)
|
|
*/
|
|
HGLOBAL GlobalLRUNewest( HGLOBAL handle )
|
|
{
|
|
dprintf_global( stddeb, "GlobalLRUNewest: %04x\n", handle );
|
|
if (handle == (HGLOBAL)-1) handle = CURRENT_DS;
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetFreeSpace (KERNEL.169)
|
|
*/
|
|
DWORD GetFreeSpace( UINT wFlags )
|
|
{
|
|
return GLOBAL_MAX_ALLOC_SIZE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalPageLock (KERNEL.191)
|
|
*/
|
|
WORD GlobalPageLock( HGLOBAL handle )
|
|
{
|
|
dprintf_global( stddeb, "GlobalPageLock: %04x\n", handle );
|
|
return ++(GET_ARENA_PTR(handle)->pageLockCount);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalPageUnlock (KERNEL.192)
|
|
*/
|
|
WORD GlobalPageUnlock( HGLOBAL handle )
|
|
{
|
|
dprintf_global( stddeb, "GlobalPageUnlock: %04x\n", handle );
|
|
return --(GET_ARENA_PTR(handle)->pageLockCount);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalFix (KERNEL.197)
|
|
*/
|
|
void GlobalFix( HGLOBAL handle )
|
|
{
|
|
dprintf_global( stddeb, "GlobalFix: %04x\n", handle );
|
|
GET_ARENA_PTR(handle)->lockCount++;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalUnfix (KERNEL.198)
|
|
*/
|
|
void GlobalUnfix( HGLOBAL handle )
|
|
{
|
|
dprintf_global( stddeb, "GlobalUnfix: %04x\n", handle );
|
|
GET_ARENA_PTR(handle)->lockCount--;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FarSetOwner (KERNEL.403)
|
|
*/
|
|
void FarSetOwner( HANDLE handle, WORD hOwner )
|
|
{
|
|
GET_ARENA_PTR(handle)->hOwner = hOwner;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* FarGetOwner (KERNEL.404)
|
|
*/
|
|
WORD FarGetOwner( HANDLE handle )
|
|
{
|
|
return GET_ARENA_PTR(handle)->hOwner;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalHandleToSel (TOOLHELP.50)
|
|
*/
|
|
WORD GlobalHandleToSel( HGLOBAL handle )
|
|
{
|
|
dprintf_toolhelp( stddeb, "GlobalHandleToSel: %04x\n", handle );
|
|
if (!handle) return 0;
|
|
#ifdef CONFIG_IPC
|
|
if (is_dde_handle(handle)) return DDE_GlobalHandleToSel(handle);
|
|
#endif
|
|
if (!(handle & 7))
|
|
{
|
|
fprintf( stderr, "Program attempted invalid selector conversion\n" );
|
|
return handle - 1;
|
|
}
|
|
return handle | 7;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalFirst (TOOLHELP.51)
|
|
*/
|
|
BOOL GlobalFirst( GLOBALENTRY *pGlobal, WORD wFlags )
|
|
{
|
|
if (wFlags == GLOBAL_LRU) return FALSE;
|
|
pGlobal->dwNext = 0;
|
|
return GlobalNext( pGlobal, wFlags );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalNext (TOOLHELP.52)
|
|
*/
|
|
BOOL GlobalNext( GLOBALENTRY *pGlobal, WORD wFlags)
|
|
{
|
|
GLOBALARENA *pArena;
|
|
|
|
if (pGlobal->dwNext >= globalArenaSize) return FALSE;
|
|
pArena = pGlobalArena + pGlobal->dwNext;
|
|
if (wFlags == GLOBAL_FREE) /* only free blocks */
|
|
{
|
|
int i;
|
|
for (i = pGlobal->dwNext; i < globalArenaSize; i++, pArena++)
|
|
if (pArena->size == 0) break; /* block is free */
|
|
if (i >= globalArenaSize) return FALSE;
|
|
pGlobal->dwNext = i;
|
|
}
|
|
|
|
pGlobal->dwAddress = pArena->base;
|
|
pGlobal->dwBlockSize = pArena->size;
|
|
pGlobal->hBlock = pArena->handle;
|
|
pGlobal->wcLock = pArena->lockCount;
|
|
pGlobal->wcPageLock = pArena->pageLockCount;
|
|
pGlobal->wFlags = (GetCurrentPDB() == pArena->hOwner);
|
|
pGlobal->wHeapPresent = FALSE;
|
|
pGlobal->hOwner = pArena->hOwner;
|
|
pGlobal->wType = GT_UNKNOWN;
|
|
pGlobal->wData = 0;
|
|
pGlobal->dwNext++;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalInfo (TOOLHELP.53)
|
|
*/
|
|
BOOL GlobalInfo( GLOBALINFO *pInfo )
|
|
{
|
|
int i;
|
|
GLOBALARENA *pArena;
|
|
|
|
pInfo->wcItems = globalArenaSize;
|
|
pInfo->wcItemsFree = 0;
|
|
pInfo->wcItemsLRU = 0;
|
|
for (i = 0, pArena = pGlobalArena; i < globalArenaSize; i++, pArena++)
|
|
if (pArena->size == 0) pInfo->wcItemsFree++;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalEntryHandle (TOOLHELP.54)
|
|
*/
|
|
BOOL GlobalEntryHandle( GLOBALENTRY *pGlobal, HGLOBAL hItem )
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GlobalEntryModule (TOOLHELP.55)
|
|
*/
|
|
BOOL GlobalEntryModule( GLOBALENTRY *pGlobal, HMODULE hModule, WORD wSeg )
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* MemManInfo (TOOLHELP.72)
|
|
*/
|
|
BOOL MemManInfo( MEMMANINFO *pInfo )
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GlobalAlloc32
|
|
* implements GlobalAlloc (KERNEL32.316)
|
|
* LocalAlloc (KERNEL32.372)
|
|
*/
|
|
void *GlobalAlloc32(int flags,int size)
|
|
{
|
|
dprintf_global(stddeb,"GlobalAlloc32(%x,%x)\n",flags,size);
|
|
return malloc(size);
|
|
}
|