| 1 |
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| 2 | /*
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| 3 | * Win32 heap API functions for OS/2
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| 4 | *
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| 5 | * Copyright 1999-2001 Sander van Leeuwen
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| 6 | *
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| 7 | * Global memory functions ported from Wine
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| 8 | * Copyright 1995 Alexandre Julliard
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| 9 | *
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| 10 | * Project Odin Software License can be found in LICENSE.TXT
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| 11 | *
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| 12 | */
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| 13 |
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| 14 | #include <os2win.h>
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| 15 | #include <stdlib.h>
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| 16 | #include <string.h>
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| 17 | #include <misc.h>
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| 18 | #define _WIN32
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| 19 | #include "os2heap.h"
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| 20 | #include <heap.h>
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| 21 | #include <odinwrap.h>
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| 22 | #include "initterm.h"
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| 23 |
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| 24 | #define DBG_LOCALLOG DBG_heap
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| 25 | #include "dbglocal.h"
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| 26 |
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| 27 | ODINDEBUGCHANNEL(KERNEL32-HEAP)
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| 28 |
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| 29 |
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| 30 | static HANDLE processheap = NULL;
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| 31 | OS2Heap *OS2ProcessHeap = NULL;
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| 32 |
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| 33 |
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| 34 |
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| 35 | //******************************************************************************
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| 36 | // Fast Heap Handle Management
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| 37 | //******************************************************************************
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| 38 |
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| 39 | extern HANDLE fhhm_lastHandle;
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| 40 | extern OS2Heap* fhhm_lastHeap;
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| 41 |
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| 42 | #define FINDHEAP(curheap, hHeap) \
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| 43 | if (fhhm_lastHeap && \
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| 44 | hHeap == fhhm_lastHandle) \
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| 45 | curheap = fhhm_lastHeap; \
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| 46 | else \
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| 47 | curheap = OS2Heap::find(hHeap); \
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| 48 |
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| 49 |
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| 50 | //******************************************************************************
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| 51 | //******************************************************************************
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| 52 | LPVOID WIN32API HeapAlloc(HANDLE hHeap,
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| 53 | DWORD dwFlags,
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| 54 | DWORD dwBytes)
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| 55 | {
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| 56 | OS2Heap *curheap;
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| 57 | FINDHEAP(curheap,hHeap)
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| 58 | LPVOID rc;
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| 59 |
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| 60 | if(curheap == NULL)
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| 61 | return(NULL);
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| 62 |
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| 63 | rc = curheap->Alloc(dwFlags, dwBytes);
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| 64 | dprintf2(("HeapAlloc %d bytes -> %x", dwBytes, rc));
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| 65 | return rc;
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| 66 | }
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| 67 | //******************************************************************************
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| 68 | //******************************************************************************
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| 69 | LPVOID HeapReAlloc(HANDLE hHeap,
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| 70 | DWORD dwFlags,
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| 71 | LPVOID lpMem,
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| 72 | DWORD dwBytes)
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| 73 | {
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| 74 | OS2Heap *curheap;
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| 75 | FINDHEAP(curheap,hHeap)
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| 76 |
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| 77 | dprintf2(("HeapReAlloc %x %x %x %X bytes", hHeap, dwFlags, lpMem, dwBytes));
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| 78 | if(curheap == NULL)
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| 79 | return(NULL);
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| 80 |
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| 81 | //Some apps (i.e. nt's cmd.exe) assume the returned pointer is the same as the old one!
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| 82 | if(lpMem && curheap->Size(0, lpMem) > dwBytes)
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| 83 | return lpMem;
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| 84 |
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| 85 | return(curheap->ReAlloc(dwFlags, lpMem, dwBytes));
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| 86 | }
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| 87 | //******************************************************************************
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| 88 | //******************************************************************************
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| 89 | BOOL WIN32API HeapFree(HANDLE hHeap,
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| 90 | DWORD dwFlags,
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| 91 | LPVOID lpMem)
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| 92 | {
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| 93 | OS2Heap *curheap;
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| 94 | FINDHEAP(curheap,hHeap)
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| 95 |
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| 96 | dprintf2(("HeapFree %X", lpMem));
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| 97 | if(curheap == NULL)
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| 98 | return(FALSE);
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| 99 |
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| 100 | BOOL fResult = curheap->Free(dwFlags, lpMem);
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| 101 | if (fResult == FALSE)
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| 102 | SetLastError(ERROR_INVALID_HANDLE); /// @@@PH possibly wrong return code!
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| 103 |
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| 104 | return fResult;
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| 105 | }
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| 106 | //******************************************************************************
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| 107 | //******************************************************************************
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| 108 | ODINFUNCTIONNODBG3(HANDLE, HeapCreate, DWORD, flOptions, DWORD, dwInitialSize,
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| 109 | DWORD, dwMaximumSize)
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| 110 | {
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| 111 | OS2Heap *curheap;
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| 112 |
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| 113 | //Create Open32 heap for it's handle
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| 114 | dprintf2(("HeapCreate dwInitialSize %X", dwInitialSize));
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| 115 |
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| 116 | curheap = new OS2Heap(flOptions, dwInitialSize, dwMaximumSize);
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| 117 |
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| 118 | if(curheap == NULL)
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| 119 | {
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| 120 | return(NULL);
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| 121 | }
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| 122 |
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| 123 | if(curheap->getHeapHandle() == NULL)
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| 124 | {
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| 125 | delete(curheap);
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| 126 | return(NULL);
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| 127 | }
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| 128 | return(curheap->getHeapHandle());
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| 129 | }
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| 130 | //******************************************************************************
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| 131 | //******************************************************************************
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| 132 | ODINFUNCTIONNODBG1(BOOL, HeapDestroy, HANDLE, hHeap)
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| 133 | {
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| 134 | OS2Heap *curheap;
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| 135 | FINDHEAP(curheap,hHeap)
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| 136 |
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| 137 | dprintf2(("HeapDestroy %X", hHeap));
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| 138 | if(curheap == NULL)
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| 139 | return(FALSE);
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| 140 |
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| 141 | delete(curheap);
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| 142 | return(TRUE);
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| 143 | }
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| 144 | //******************************************************************************
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| 145 | //******************************************************************************
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| 146 | ODINFUNCTIONNODBG3(DWORD, HeapSize, HANDLE, hHeap, DWORD, arg2, PVOID, lpMem)
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| 147 | {
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| 148 | OS2Heap *curheap;
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| 149 | FINDHEAP(curheap,hHeap)
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| 150 |
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| 151 | dprintf2(("HeapSize %X %x %x", hHeap, arg2, lpMem));
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| 152 | if(curheap == NULL)
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| 153 | return(0);
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| 154 | return curheap->Size(arg2, lpMem);
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| 155 | }
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| 156 | //******************************************************************************
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| 157 | //TODO: Check this!!!
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| 158 | //******************************************************************************
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| 159 | ODINFUNCTIONNODBG2(DWORD, HeapCompact, HANDLE, hHeap, DWORD, dwFlags)
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| 160 | {
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| 161 | dprintf(("KERNEL32: HeapCompact: Unknown API - stub\n"));
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| 162 | return(0);
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| 163 | }
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| 164 | //******************************************************************************
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| 165 | //******************************************************************************
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| 166 | ODINFUNCTIONNODBG3(BOOL, HeapValidate, HANDLE, hHeap, DWORD, dwFlags, LPCVOID, lpMem)
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| 167 | {
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| 168 | OS2Heap *curheap;
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| 169 | FINDHEAP(curheap,hHeap)
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| 170 |
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| 171 | dprintf2(("KERNEL32: HeapValidate %x %x %x", hHeap, dwFlags, lpMem));
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| 172 | if(curheap == NULL)
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| 173 | return FALSE;
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| 174 |
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| 175 | return curheap->Validate(dwFlags, lpMem);
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| 176 | }
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| 177 | //******************************************************************************
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| 178 | //******************************************************************************
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| 179 | ODINFUNCTIONNODBG1(BOOL, HeapUnlock, HANDLE, hHeap)
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| 180 | {
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| 181 | dprintf(("KERNEL32: HeapUnlock - stub (TRUE)\n"));
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| 182 | return(TRUE);
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| 183 | }
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| 184 | //******************************************************************************
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| 185 | //******************************************************************************
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| 186 | ODINFUNCTIONNODBG1(BOOL, HeapLock, HANDLE, hHeap)
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| 187 | {
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| 188 | dprintf(("KERNEL32: HeapLock - stub (TRUE)\n"));
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| 189 | return(TRUE);
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| 190 | }
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| 191 | //******************************************************************************
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| 192 | // LPPROCESS_HEAP_ENTRY lpEntry
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| 193 | //******************************************************************************
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| 194 | ODINFUNCTIONNODBG2(BOOL, HeapWalk, HANDLE, hHeap, LPVOID, lpEntry)
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| 195 | {
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| 196 | dprintf(("KERNEL32: HeapWalk - stub (TRUE)\n"));
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| 197 | return(TRUE);
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| 198 | }
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| 199 | //******************************************************************************
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| 200 | //******************************************************************************
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| 201 | HANDLE WIN32API GetProcessHeap()
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| 202 | {
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| 203 | // dprintf2(("KERNEL32: GetProcessHeap\n"));
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| 204 | //SvL: Only one process heap per process
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| 205 | if(processheap == NULL) {
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| 206 | OS2ProcessHeap = new OS2Heap(HEAP_GENERATE_EXCEPTIONS, 0x4000, 0);
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| 207 |
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| 208 | if(OS2ProcessHeap == NULL) {
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| 209 | return(NULL);
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| 210 | }
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| 211 | processheap = OS2ProcessHeap->getHeapHandle();
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| 212 | }
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| 213 | return(processheap);
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| 214 | }
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| 215 | #if 1
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| 216 | /*
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| 217 | * Win32 Global heap functions (GlobalXXX).
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| 218 | * These functions included in Win32 for compatibility with 16 bit Windows
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| 219 | * Especially the moveable blocks and handles are oldish.
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| 220 | * But the ability to directly allocate memory with GPTR and LPTR is widely
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| 221 | * used.
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| 222 | *
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| 223 | * The handle stuff looks horrible, but it's implemented almost like Win95
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| 224 | * does it.
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| 225 | *
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| 226 | */
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| 227 |
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| 228 | #define MAGIC_GLOBAL_USED 0x5342
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| 229 | #define GLOBAL_LOCK_MAX 0xFF
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| 230 | #define HANDLE_TO_INTERN(h) ((PGLOBAL32_INTERN)(((char *)(h))-2))
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| 231 | #define INTERN_TO_HANDLE(i) ((HGLOBAL) &((i)->Pointer))
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| 232 | #define ISHANDLE(h) (((DWORD)(h)&2)!=0)
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| 233 | #define ISPOINTER(h) (((DWORD)(h)&2)==0)
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| 234 |
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| 235 | //SvL: -2 for 8 byte alignment
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| 236 | #define POINTER_TO_HANDLE(p) (*(((HGLOBAL *)(p))-2))
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| 237 | #define HGLOBAL_SIZE 2*sizeof(HGLOBAL)
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| 238 |
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| 239 | #pragma pack(1)
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| 240 |
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| 241 | typedef struct __GLOBAL32_INTERN
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| 242 | {
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| 243 | WORD Magic;
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| 244 | LPVOID Pointer;
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| 245 | BYTE Flags;
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| 246 | BYTE LockCount;
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| 247 | } GLOBAL32_INTERN, *PGLOBAL32_INTERN;
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| 248 |
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| 249 | #pragma pack()
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| 250 |
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| 251 | /***********************************************************************
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| 252 | * GlobalAlloc (KERNEL32.@)
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| 253 | * RETURNS
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| 254 | * Handle: Success
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| 255 | * NULL: Failure
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| 256 | */
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| 257 | ODINFUNCTION2(HGLOBAL, GlobalAlloc,
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| 258 | UINT, flags,
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| 259 | DWORD, size)
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| 260 | {
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| 261 | PGLOBAL32_INTERN pintern;
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| 262 | DWORD hpflags;
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| 263 | LPVOID palloc;
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| 264 |
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| 265 | if(flags&GMEM_ZEROINIT)
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| 266 | hpflags=HEAP_ZERO_MEMORY;
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| 267 | else
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| 268 | hpflags=0;
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| 269 |
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| 270 | if((flags & GMEM_MOVEABLE)==0) /* POINTER */
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| 271 | {
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| 272 | palloc=HeapAlloc(GetProcessHeap(), hpflags, size);
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| 273 | return (HGLOBAL) palloc;
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| 274 | }
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| 275 | else /* HANDLE */
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| 276 | {
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| 277 | /* HeapLock(heap); */
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| 278 |
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| 279 | pintern=(PGLOBAL32_INTERN)HeapAlloc(GetProcessHeap(), 0, sizeof(GLOBAL32_INTERN));
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| 280 | if (!pintern) return 0;
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| 281 | if(size)
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| 282 | {
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| 283 | //SvL: 2*sizeof for 8 byte alignment
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| 284 | if (!(palloc=HeapAlloc(GetProcessHeap(), hpflags, size+HGLOBAL_SIZE))) {
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| 285 | HeapFree(GetProcessHeap(), 0, pintern);
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| 286 | return 0;
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| 287 | }
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| 288 | *(HGLOBAL *)palloc=INTERN_TO_HANDLE(pintern);
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| 289 | //SvL: 2*sizeof for 8 byte alignment
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| 290 | pintern->Pointer=(char *) palloc+HGLOBAL_SIZE;
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| 291 | }
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| 292 | else
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| 293 | pintern->Pointer=NULL;
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| 294 | pintern->Magic=MAGIC_GLOBAL_USED;
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| 295 | pintern->Flags=flags>>8;
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| 296 | pintern->LockCount=0;
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| 297 |
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| 298 | /* HeapUnlock(heap); */
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| 299 |
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| 300 | return INTERN_TO_HANDLE(pintern);
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| 301 | }
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| 302 | }
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| 303 | /***********************************************************************
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| 304 | * GlobalLock (KERNEL32.@)
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| 305 | * RETURNS
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| 306 | * Pointer to first byte of block
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| 307 | * NULL: Failure
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| 308 | */
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| 309 | ODINFUNCTION1(LPVOID, GlobalLock,
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| 310 | HGLOBAL, hmem)
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| 311 | {
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| 312 | PGLOBAL32_INTERN pintern;
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| 313 | LPVOID palloc;
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| 314 |
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| 315 |
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| 316 | if(hmem == NULL || ISPOINTER(hmem)) {
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| 317 | dprintf(("KERNEL32: GlobalLock %x returned %x", hmem, hmem));
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| 318 | return (LPVOID) hmem;
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| 319 | }
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| 320 |
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| 321 | /* verify lpMem address */
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| 322 | if (hmem >= (HGLOBAL)ulMaxAddr || hmem < (HGLOBAL)0x10000)
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| 323 | {
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| 324 | dprintf(("GlobalLock ERROR BAD HEAP POINTER:%X\n", hmem));
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| 325 | DebugInt3();
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| 326 | return 0;
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| 327 | }
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| 328 |
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| 329 | /* HeapLock(GetProcessHeap()); */
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| 330 |
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| 331 | pintern=HANDLE_TO_INTERN(hmem);
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| 332 | if(pintern->Magic==MAGIC_GLOBAL_USED)
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| 333 | {
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| 334 | if(pintern->LockCount<GLOBAL_LOCK_MAX)
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| 335 | pintern->LockCount++;
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| 336 | palloc=pintern->Pointer;
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| 337 | }
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| 338 | else
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| 339 | {
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| 340 | dprintf(("ERROR: GlobalLock invalid handle %x", hmem));
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| 341 | palloc=(LPVOID) NULL;
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| 342 | SetLastError(ERROR_INVALID_HANDLE);
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| 343 | }
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| 344 | /* HeapUnlock(GetProcessHeap()); */;
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| 345 |
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| 346 | dprintf(("KERNEL32: GlobalLock %x returned %x", hmem, palloc));
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| 347 | return palloc;
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| 348 | }
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| 349 |
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| 350 |
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| 351 | /***********************************************************************
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| 352 | * GlobalUnlock (KERNEL32.@)
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| 353 | * RETURNS
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| 354 | * TRUE: Object is still locked
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| 355 | * FALSE: Object is unlocked
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| 356 | */
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| 357 | ODINFUNCTION1(BOOL, GlobalUnlock,
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| 358 | HGLOBAL, hmem)
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| 359 | {
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| 360 | PGLOBAL32_INTERN pintern;
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| 361 | BOOL locked;
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| 362 |
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| 363 | if(hmem == NULL || ISPOINTER(hmem))
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| 364 | return FALSE;
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| 365 |
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| 366 | /* verify lpMem address */
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| 367 | if (hmem >= (HGLOBAL)ulMaxAddr || hmem < (HGLOBAL)0x10000)
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| 368 | {
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| 369 | dprintf(("GlobalUnlock ERROR BAD HEAP POINTER:%X\n", hmem));
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| 370 | DebugInt3();
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| 371 | return 0;
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| 372 | }
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| 373 |
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| 374 | /* HeapLock(GetProcessHeap()); */
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| 375 | pintern=HANDLE_TO_INTERN(hmem);
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| 376 |
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| 377 | if(pintern->Magic==MAGIC_GLOBAL_USED)
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| 378 | {
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| 379 | if((pintern->LockCount<GLOBAL_LOCK_MAX)&&(pintern->LockCount>0))
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| 380 | pintern->LockCount--;
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| 381 |
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| 382 | locked = (pintern->LockCount != 0);
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| 383 | if (!locked) SetLastError(NO_ERROR);
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| 384 | }
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| 385 | else
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| 386 | {
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| 387 | dprintf(("ERROR: GlobalUnlock invalid handle %x", hmem));
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| 388 | SetLastError(ERROR_INVALID_HANDLE);
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| 389 | locked=FALSE;
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| 390 | }
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| 391 | /* HeapUnlock(GetProcessHeap()); */
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| 392 | return locked;
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| 393 | }
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| 394 |
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| 395 |
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| 396 | /***********************************************************************
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| 397 | * GlobalHandle (KERNEL32.@)
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| 398 | * Returns the handle associated with the specified pointer.
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| 399 | *
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| 400 | * RETURNS
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| 401 | * Handle: Success
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| 402 | * NULL: Failure
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| 403 | */
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| 404 | ODINFUNCTION1(HGLOBAL, GlobalHandle,
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| 405 | LPCVOID, pmem)
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| 406 | {
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| 407 | HGLOBAL handle;
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| 408 | PGLOBAL32_INTERN maybe_intern;
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| 409 | LPCVOID test;
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| 410 |
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| 411 | if (!pmem)
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| 412 | {
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| 413 | SetLastError( ERROR_INVALID_PARAMETER );
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| 414 | return 0;
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| 415 | }
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| 416 |
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| 417 | #ifdef __WIN32OS2__
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| 418 | handle = 0;
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| 419 |
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| 420 | /* note that if pmem is a pointer to a a block allocated by */
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| 421 | /* GlobalAlloc with GMEM_MOVEABLE then magic test in HeapValidate */
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| 422 | /* will fail. */
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| 423 | if (ISPOINTER(pmem)) {
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| 424 | if (HeapValidate( GetProcessHeap(), 0, pmem )) {
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| 425 | handle = (HGLOBAL)pmem; /* valid fixed block */
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| 426 | return handle;
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| 427 | }
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| 428 | handle = POINTER_TO_HANDLE(pmem);
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| 429 | } else
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| 430 | handle = (HGLOBAL)pmem;
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| 431 |
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| 432 | /* Now test handle either passed in or retrieved from pointer */
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| 433 | maybe_intern = HANDLE_TO_INTERN( handle );
|
|---|
| 434 | if(IsBadReadPtr(maybe_intern, sizeof(GLOBAL32_INTERN))) {
|
|---|
| 435 | SetLastError( ERROR_INVALID_HANDLE );
|
|---|
| 436 | return 0;
|
|---|
| 437 | }
|
|---|
| 438 |
|
|---|
| 439 | if (maybe_intern->Magic == MAGIC_GLOBAL_USED) {
|
|---|
| 440 | test = maybe_intern->Pointer;
|
|---|
| 441 | //SvL: -2 for 8 byte alignment
|
|---|
| 442 | if (HeapValidate( GetProcessHeap(), 0, ((HGLOBAL *)test)-2 ) && /* obj(-handle) valid arena? */
|
|---|
| 443 | HeapValidate( GetProcessHeap(), 0, maybe_intern )) /* intern valid arena? */
|
|---|
| 444 | {
|
|---|
| 445 | return handle;
|
|---|
| 446 | }
|
|---|
| 447 | }
|
|---|
| 448 | handle = 0;
|
|---|
| 449 | SetLastError( ERROR_INVALID_HANDLE );
|
|---|
| 450 | #else
|
|---|
| 451 | __TRY
|
|---|
| 452 | {
|
|---|
| 453 | handle = 0;
|
|---|
| 454 |
|
|---|
| 455 | /* note that if pmem is a pointer to a a block allocated by */
|
|---|
| 456 | /* GlobalAlloc with GMEM_MOVEABLE then magic test in HeapValidate */
|
|---|
| 457 | /* will fail. */
|
|---|
| 458 | if (ISPOINTER(pmem)) {
|
|---|
| 459 | if (HeapValidate( GetProcessHeap(), 0, pmem )) {
|
|---|
| 460 | handle = (HGLOBAL)pmem; /* valid fixed block */
|
|---|
| 461 | break;
|
|---|
| 462 | }
|
|---|
| 463 | handle = POINTER_TO_HANDLE(pmem);
|
|---|
| 464 | } else
|
|---|
| 465 | handle = (HGLOBAL)pmem;
|
|---|
| 466 |
|
|---|
| 467 | /* Now test handle either passed in or retrieved from pointer */
|
|---|
| 468 | maybe_intern = HANDLE_TO_INTERN( handle );
|
|---|
| 469 | if (maybe_intern->Magic == MAGIC_GLOBAL_USED) {
|
|---|
| 470 | test = maybe_intern->Pointer;
|
|---|
| 471 | if (HeapValidate( GetProcessHeap(), 0, ((HGLOBAL *)test)-1 ) && /* obj(-handle) valid arena? */
|
|---|
| 472 | HeapValidate( GetProcessHeap(), 0, maybe_intern )) /* intern valid arena? */
|
|---|
| 473 | break; /* valid moveable block */
|
|---|
| 474 | }
|
|---|
| 475 | handle = 0;
|
|---|
| 476 | SetLastError( ERROR_INVALID_HANDLE );
|
|---|
| 477 | }
|
|---|
| 478 | __EXCEPT(page_fault)
|
|---|
| 479 | {
|
|---|
| 480 | SetLastError( ERROR_INVALID_HANDLE );
|
|---|
| 481 | return 0;
|
|---|
| 482 | }
|
|---|
| 483 | __ENDTRY
|
|---|
| 484 | #endif
|
|---|
| 485 | return handle;
|
|---|
| 486 | }
|
|---|
| 487 |
|
|---|
| 488 |
|
|---|
| 489 | /***********************************************************************
|
|---|
| 490 | * GlobalReAlloc (KERNEL32.@)
|
|---|
| 491 | * RETURNS
|
|---|
| 492 | * Handle: Success
|
|---|
| 493 | * NULL: Failure
|
|---|
| 494 | */
|
|---|
| 495 | ODINFUNCTION3(HGLOBAL, GlobalReAlloc,
|
|---|
| 496 | HGLOBAL, hmem,
|
|---|
| 497 | DWORD, size,
|
|---|
| 498 | UINT, flags)
|
|---|
| 499 | {
|
|---|
| 500 | LPVOID palloc;
|
|---|
| 501 | HGLOBAL hnew;
|
|---|
| 502 | PGLOBAL32_INTERN pintern;
|
|---|
| 503 | DWORD heap_flags = (flags & GMEM_ZEROINIT) ? HEAP_ZERO_MEMORY : 0;
|
|---|
| 504 |
|
|---|
| 505 | #ifdef __WIN32OS2__
|
|---|
| 506 | /* @@@PH 20011017
|
|---|
| 507 | convert a handle to a handle ???
|
|---|
| 508 | hmem = GlobalHandle((LPCVOID)hmem);
|
|---|
| 509 | */
|
|---|
| 510 | #endif
|
|---|
| 511 |
|
|---|
| 512 | hnew = 0;
|
|---|
| 513 | /* HeapLock(heap); */
|
|---|
| 514 | if(flags & GMEM_MODIFY) /* modify flags */
|
|---|
| 515 | {
|
|---|
| 516 | if( ISPOINTER(hmem) && (flags & GMEM_MOVEABLE))
|
|---|
| 517 | {
|
|---|
| 518 | /* make a fixed block moveable
|
|---|
| 519 | * actually only NT is able to do this. But it's soo simple
|
|---|
| 520 | */
|
|---|
| 521 | if (hmem == 0)
|
|---|
| 522 | {
|
|---|
| 523 | dprintf(("ERROR: GlobalReAlloc32 with null handle!\n"));
|
|---|
| 524 | SetLastError( ERROR_NOACCESS );
|
|---|
| 525 | return 0;
|
|---|
| 526 | }
|
|---|
| 527 | size=HeapSize(GetProcessHeap(), 0, (LPVOID) hmem);
|
|---|
| 528 | hnew=GlobalAlloc( flags, size);
|
|---|
| 529 | palloc=GlobalLock(hnew);
|
|---|
| 530 | memcpy(palloc, (LPVOID) hmem, size);
|
|---|
| 531 | GlobalUnlock(hnew);
|
|---|
| 532 | GlobalFree(hmem);
|
|---|
| 533 | }
|
|---|
| 534 | else if( ISPOINTER(hmem) &&(flags & GMEM_DISCARDABLE))
|
|---|
| 535 | {
|
|---|
| 536 | /* change the flags to make our block "discardable" */
|
|---|
| 537 | pintern=HANDLE_TO_INTERN(hmem);
|
|---|
| 538 | pintern->Flags = pintern->Flags | (GMEM_DISCARDABLE >> 8);
|
|---|
| 539 | hnew=hmem;
|
|---|
| 540 | }
|
|---|
| 541 | else
|
|---|
| 542 | {
|
|---|
| 543 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 544 | hnew = 0;
|
|---|
| 545 | }
|
|---|
| 546 | }
|
|---|
| 547 | else
|
|---|
| 548 | {
|
|---|
| 549 | if(ISPOINTER(hmem))
|
|---|
| 550 | {
|
|---|
| 551 | /* reallocate fixed memory */
|
|---|
| 552 | hnew=(HGLOBAL)HeapReAlloc(GetProcessHeap(), heap_flags, (LPVOID) hmem, size);
|
|---|
| 553 | }
|
|---|
| 554 | else
|
|---|
| 555 | {
|
|---|
| 556 | /* reallocate a moveable block */
|
|---|
| 557 | pintern=HANDLE_TO_INTERN(hmem);
|
|---|
| 558 |
|
|---|
| 559 | #if 0
|
|---|
| 560 | /* Apparently Windows doesn't care whether the handle is locked at this point */
|
|---|
| 561 | /* See also the same comment in GlobalFree() */
|
|---|
| 562 | if(pintern->LockCount>1) {
|
|---|
| 563 | ERR("handle 0x%08lx is still locked, cannot realloc!\n",(DWORD)hmem);
|
|---|
| 564 | SetLastError(ERROR_INVALID_HANDLE);
|
|---|
| 565 | } else
|
|---|
| 566 | #endif
|
|---|
| 567 | if(size!=0)
|
|---|
| 568 | {
|
|---|
| 569 | hnew=hmem;
|
|---|
| 570 | if(pintern->Pointer)
|
|---|
| 571 | {
|
|---|
| 572 | if((palloc = HeapReAlloc(GetProcessHeap(), heap_flags,
|
|---|
| 573 | (char *) pintern->Pointer-HGLOBAL_SIZE,
|
|---|
| 574 | size+HGLOBAL_SIZE)) == NULL)
|
|---|
| 575 | return 0; /* Block still valid */
|
|---|
| 576 | pintern->Pointer=(char *) palloc+HGLOBAL_SIZE;
|
|---|
| 577 | }
|
|---|
| 578 | else
|
|---|
| 579 | {
|
|---|
| 580 | if((palloc=HeapAlloc(GetProcessHeap(), heap_flags, size+HGLOBAL_SIZE))
|
|---|
| 581 | == NULL)
|
|---|
| 582 | return 0;
|
|---|
| 583 | *(HGLOBAL *)palloc=hmem;
|
|---|
| 584 | pintern->Pointer=(char *) palloc+HGLOBAL_SIZE;
|
|---|
| 585 | }
|
|---|
| 586 | }
|
|---|
| 587 | else
|
|---|
| 588 | {
|
|---|
| 589 | if(pintern->Pointer)
|
|---|
| 590 | {
|
|---|
| 591 | HeapFree(GetProcessHeap(), 0, (char *) pintern->Pointer-HGLOBAL_SIZE);
|
|---|
| 592 | pintern->Pointer=NULL;
|
|---|
| 593 | }
|
|---|
| 594 | }
|
|---|
| 595 | }
|
|---|
| 596 | }
|
|---|
| 597 | /* HeapUnlock(heap); */
|
|---|
| 598 | return hnew;
|
|---|
| 599 | }
|
|---|
| 600 |
|
|---|
| 601 |
|
|---|
| 602 | /***********************************************************************
|
|---|
| 603 | * GlobalFree (KERNEL32.@)
|
|---|
| 604 | * RETURNS
|
|---|
| 605 | * NULL: Success
|
|---|
| 606 | * Handle: Failure
|
|---|
| 607 | */
|
|---|
| 608 | ODINFUNCTION1(HGLOBAL, GlobalFree,
|
|---|
| 609 | HGLOBAL, hmem)
|
|---|
| 610 | {
|
|---|
| 611 | PGLOBAL32_INTERN pintern;
|
|---|
| 612 | HGLOBAL hreturned = 0;
|
|---|
| 613 |
|
|---|
| 614 | // 2001-10-17 PH
|
|---|
| 615 | // Note: we do have a *HANDLE* here still ...
|
|---|
| 616 | // any may not terminate w/o setting SetLastError()
|
|---|
| 617 | // plus returning 0 means "OK"!
|
|---|
| 618 | #if 0
|
|---|
| 619 | /* verify lpMem address */
|
|---|
| 620 | if (hmem >= (HGLOBAL)ulMaxAddr || hmem < (HGLOBAL)0x10000)
|
|---|
| 621 | {
|
|---|
| 622 | dprintf(("GlobalFree ERROR BAD HEAP POINTER:%X\n", hmem));
|
|---|
| 623 | // DebugInt3();
|
|---|
| 624 | return 0;
|
|---|
| 625 | }
|
|---|
| 626 | #endif
|
|---|
| 627 |
|
|---|
| 628 | if(ISPOINTER(hmem)) /* POINTER */
|
|---|
| 629 | {
|
|---|
| 630 | if(HeapFree(GetProcessHeap(), 0, (LPVOID) hmem) == TRUE)
|
|---|
| 631 | hreturned = 0; // success
|
|---|
| 632 | else
|
|---|
| 633 | hreturned = hmem; // failure
|
|---|
| 634 | }
|
|---|
| 635 | else /* HANDLE */
|
|---|
| 636 | {
|
|---|
| 637 | /* HeapLock(heap); */
|
|---|
| 638 | pintern=HANDLE_TO_INTERN(hmem);
|
|---|
| 639 |
|
|---|
| 640 | if(pintern->Magic==MAGIC_GLOBAL_USED)
|
|---|
| 641 | {
|
|---|
| 642 |
|
|---|
| 643 | /* WIN98 does not make this test. That is you can free a */
|
|---|
| 644 | /* block you have not unlocked. Go figure!! */
|
|---|
| 645 | /* if(pintern->LockCount!=0) */
|
|---|
| 646 | /* SetLastError(ERROR_INVALID_HANDLE); */
|
|---|
| 647 |
|
|---|
| 648 | if(pintern->Pointer)
|
|---|
| 649 | if(!HeapFree(GetProcessHeap(), 0, (char *)(pintern->Pointer)-HGLOBAL_SIZE))
|
|---|
| 650 | hreturned=hmem;
|
|---|
| 651 | if(!HeapFree(GetProcessHeap(), 0, pintern))
|
|---|
| 652 | hreturned=hmem;
|
|---|
| 653 | }
|
|---|
| 654 | else
|
|---|
| 655 | {
|
|---|
| 656 | // this was not a heap handle!
|
|---|
| 657 | SetLastError(ERROR_INVALID_HANDLE);
|
|---|
| 658 | hreturned = hmem;
|
|---|
| 659 | }
|
|---|
| 660 |
|
|---|
| 661 | /* HeapUnlock(heap); */
|
|---|
| 662 | }
|
|---|
| 663 |
|
|---|
| 664 | return hreturned;
|
|---|
| 665 | }
|
|---|
| 666 |
|
|---|
| 667 |
|
|---|
| 668 | /***********************************************************************
|
|---|
| 669 | * GlobalSize (KERNEL32.@)
|
|---|
| 670 | * RETURNS
|
|---|
| 671 | * Size in bytes of the global memory object
|
|---|
| 672 | * 0: Failure
|
|---|
| 673 | */
|
|---|
| 674 | ODINFUNCTION1(DWORD, GlobalSize,
|
|---|
| 675 | HGLOBAL, hmem)
|
|---|
| 676 | {
|
|---|
| 677 | DWORD retval;
|
|---|
| 678 | PGLOBAL32_INTERN pintern;
|
|---|
| 679 |
|
|---|
| 680 | if(ISPOINTER(hmem))
|
|---|
| 681 | {
|
|---|
| 682 | retval=HeapSize(GetProcessHeap(), 0, (LPVOID) hmem);
|
|---|
| 683 | }
|
|---|
| 684 | else
|
|---|
| 685 | {
|
|---|
| 686 | /* HeapLock(heap); */
|
|---|
| 687 | pintern=HANDLE_TO_INTERN(hmem);
|
|---|
| 688 |
|
|---|
| 689 | if(pintern->Magic==MAGIC_GLOBAL_USED)
|
|---|
| 690 | {
|
|---|
| 691 | if (!pintern->Pointer) /* handle case of GlobalAlloc( ??,0) */
|
|---|
| 692 | return 0;
|
|---|
| 693 | retval=HeapSize(GetProcessHeap(), 0,
|
|---|
| 694 | (char *)(pintern->Pointer)-HGLOBAL_SIZE)-HGLOBAL_SIZE;
|
|---|
| 695 | //SvL: ???
|
|---|
| 696 | if (retval == 0xffffffff-HGLOBAL_SIZE) retval = 0;
|
|---|
| 697 | }
|
|---|
| 698 | else
|
|---|
| 699 | {
|
|---|
| 700 | dprintf(("ERROR: GlobalSize invalid handle %x", hmem));
|
|---|
| 701 | retval=0;
|
|---|
| 702 | }
|
|---|
| 703 | /* HeapUnlock(heap); */
|
|---|
| 704 | }
|
|---|
| 705 | /* HeapSize returns 0xffffffff on failure */
|
|---|
| 706 | if (retval == 0xffffffff) retval = 0;
|
|---|
| 707 | dprintf(("KERNEL32: GlobalSize %x = %d", hmem, retval));
|
|---|
| 708 | return retval;
|
|---|
| 709 | }
|
|---|
| 710 |
|
|---|
| 711 |
|
|---|
| 712 | /***********************************************************************
|
|---|
| 713 | * GlobalWire (KERNEL32.@)
|
|---|
| 714 | */
|
|---|
| 715 | ODINFUNCTION1(LPVOID, GlobalWire,
|
|---|
| 716 | HGLOBAL, hmem)
|
|---|
| 717 | {
|
|---|
| 718 | return GlobalLock( hmem );
|
|---|
| 719 | }
|
|---|
| 720 |
|
|---|
| 721 |
|
|---|
| 722 | /***********************************************************************
|
|---|
| 723 | * GlobalUnWire (KERNEL32.@)
|
|---|
| 724 | */
|
|---|
| 725 | ODINFUNCTION1(BOOL, GlobalUnWire,
|
|---|
| 726 | HGLOBAL, hmem)
|
|---|
| 727 | {
|
|---|
| 728 | return GlobalUnlock( hmem);
|
|---|
| 729 | }
|
|---|
| 730 |
|
|---|
| 731 |
|
|---|
| 732 | /***********************************************************************
|
|---|
| 733 | * GlobalFix (KERNEL32.@)
|
|---|
| 734 | */
|
|---|
| 735 | ODINPROCEDURE1(GlobalFix,
|
|---|
| 736 | HGLOBAL, hmem)
|
|---|
| 737 | {
|
|---|
| 738 | GlobalLock( hmem );
|
|---|
| 739 | }
|
|---|
| 740 |
|
|---|
| 741 |
|
|---|
| 742 | /***********************************************************************
|
|---|
| 743 | * GlobalUnfix (KERNEL32.@)
|
|---|
| 744 | */
|
|---|
| 745 | ODINPROCEDURE1(GlobalUnfix,
|
|---|
| 746 | HGLOBAL, hmem)
|
|---|
| 747 | {
|
|---|
| 748 | GlobalUnlock( hmem);
|
|---|
| 749 | }
|
|---|
| 750 |
|
|---|
| 751 |
|
|---|
| 752 | /***********************************************************************
|
|---|
| 753 | * GlobalFlags (KERNEL32.@)
|
|---|
| 754 | * Returns information about the specified global memory object
|
|---|
| 755 | *
|
|---|
| 756 | * NOTES
|
|---|
| 757 | * Should this return GMEM_INVALID_HANDLE on invalid handle?
|
|---|
| 758 | *
|
|---|
| 759 | * RETURNS
|
|---|
| 760 | * Value specifying allocation flags and lock count
|
|---|
| 761 | * GMEM_INVALID_HANDLE: Failure
|
|---|
| 762 | */
|
|---|
| 763 | ODINFUNCTION1(UINT, GlobalFlags,
|
|---|
| 764 | HGLOBAL, hmem)
|
|---|
| 765 | {
|
|---|
| 766 | DWORD retval;
|
|---|
| 767 | PGLOBAL32_INTERN pintern;
|
|---|
| 768 |
|
|---|
| 769 | if(ISPOINTER(hmem))
|
|---|
| 770 | {
|
|---|
| 771 | retval=0;
|
|---|
| 772 | }
|
|---|
| 773 | else
|
|---|
| 774 | {
|
|---|
| 775 | /* HeapLock(GetProcessHeap()); */
|
|---|
| 776 | pintern=HANDLE_TO_INTERN(hmem);
|
|---|
| 777 | if(pintern->Magic==MAGIC_GLOBAL_USED)
|
|---|
| 778 | {
|
|---|
| 779 | retval=pintern->LockCount + (pintern->Flags<<8);
|
|---|
| 780 | if(pintern->Pointer==0)
|
|---|
| 781 | retval|= GMEM_DISCARDED;
|
|---|
| 782 | }
|
|---|
| 783 | else
|
|---|
| 784 | {
|
|---|
| 785 | dprintf(("ERROR: GlobalFlags invalid handle %x", hmem));
|
|---|
| 786 | retval=0;
|
|---|
| 787 | }
|
|---|
| 788 | /* HeapUnlock(GetProcessHeap()); */
|
|---|
| 789 | }
|
|---|
| 790 | return retval;
|
|---|
| 791 | }
|
|---|
| 792 |
|
|---|
| 793 |
|
|---|
| 794 | /***********************************************************************
|
|---|
| 795 | * GlobalCompact (KERNEL32.@)
|
|---|
| 796 | */
|
|---|
| 797 | ODINFUNCTION1(DWORD, GlobalCompact,
|
|---|
| 798 | DWORD, minfree )
|
|---|
| 799 | {
|
|---|
| 800 | return 0; /* GlobalCompact does nothing in Win32 */
|
|---|
| 801 | }
|
|---|
| 802 | #else
|
|---|
| 803 | //******************************************************************************
|
|---|
| 804 | #ifdef DEBUG
|
|---|
| 805 | static ULONG totalGlobalAlloc = 0;
|
|---|
| 806 | #endif
|
|---|
| 807 | //******************************************************************************
|
|---|
| 808 | ODINFUNCTION2(HGLOBAL, GlobalAlloc,
|
|---|
| 809 | UINT, fuFlags,
|
|---|
| 810 | DWORD, dwBytes)
|
|---|
| 811 | {
|
|---|
| 812 | HGLOBAL ret;
|
|---|
| 813 |
|
|---|
| 814 | ret = O32_GlobalAlloc(fuFlags, dwBytes);
|
|---|
| 815 | #ifdef DEBUG
|
|---|
| 816 | totalGlobalAlloc += dwBytes;
|
|---|
| 817 | #endif
|
|---|
| 818 | return ret;
|
|---|
| 819 | }
|
|---|
| 820 | //******************************************************************************
|
|---|
| 821 | //******************************************************************************
|
|---|
| 822 | ODINFUNCTION1(HGLOBAL, GlobalFree,
|
|---|
| 823 | HGLOBAL, arg1)
|
|---|
| 824 | {
|
|---|
| 825 | HGLOBAL ret;
|
|---|
| 826 |
|
|---|
| 827 | #ifdef DEBUG
|
|---|
| 828 | totalGlobalAlloc -= O32_GlobalSize(arg1);
|
|---|
| 829 | #endif
|
|---|
| 830 | ret = O32_GlobalFree(arg1);
|
|---|
| 831 | return ret;
|
|---|
| 832 | }
|
|---|
| 833 | //******************************************************************************
|
|---|
| 834 | //******************************************************************************
|
|---|
| 835 | ODINFUNCTION1(HGLOBAL, GlobalHandle,
|
|---|
| 836 | LPCVOID, lpMem)
|
|---|
| 837 | {
|
|---|
| 838 | return O32_GlobalHandle((LPVOID)lpMem);
|
|---|
| 839 | }
|
|---|
| 840 | //******************************************************************************
|
|---|
| 841 | //******************************************************************************
|
|---|
| 842 | ODINFUNCTION1(UINT, GlobalFlags,
|
|---|
| 843 | HGLOBAL, hMem)
|
|---|
| 844 | {
|
|---|
| 845 | return O32_GlobalFlags(hMem);
|
|---|
| 846 | }
|
|---|
| 847 | //******************************************************************************
|
|---|
| 848 | //******************************************************************************
|
|---|
| 849 | ODINFUNCTION1(DWORD, GlobalCompact,
|
|---|
| 850 | DWORD, dwMinFree)
|
|---|
| 851 | {
|
|---|
| 852 | return(0);
|
|---|
| 853 | }
|
|---|
| 854 | //******************************************************************************
|
|---|
| 855 | //******************************************************************************
|
|---|
| 856 | ODINFUNCTION1(PVOID, GlobalLock,
|
|---|
| 857 | HGLOBAL, hMem)
|
|---|
| 858 | {
|
|---|
| 859 | return O32_GlobalLock(hMem);
|
|---|
| 860 | }
|
|---|
| 861 | //******************************************************************************
|
|---|
| 862 | //******************************************************************************
|
|---|
| 863 | ODINFUNCTION3(HGLOBAL, GlobalReAlloc,
|
|---|
| 864 | HGLOBAL, arg1,
|
|---|
| 865 | DWORD, arg2,
|
|---|
| 866 | UINT, arg3)
|
|---|
| 867 | {
|
|---|
| 868 | return O32_GlobalReAlloc(arg1, arg2, arg3);
|
|---|
| 869 | }
|
|---|
| 870 | //******************************************************************************
|
|---|
| 871 | //******************************************************************************
|
|---|
| 872 | ODINFUNCTION1(DWORD, GlobalSize,
|
|---|
| 873 | HGLOBAL, arg1)
|
|---|
| 874 | {
|
|---|
| 875 | return O32_GlobalSize(arg1);
|
|---|
| 876 | }
|
|---|
| 877 | //******************************************************************************
|
|---|
| 878 | //******************************************************************************
|
|---|
| 879 | ODINFUNCTION1(BOOL, GlobalUnlock,
|
|---|
| 880 | HGLOBAL, arg1)
|
|---|
| 881 | {
|
|---|
| 882 | return O32_GlobalUnlock(arg1);
|
|---|
| 883 | }
|
|---|
| 884 | /***********************************************************************
|
|---|
| 885 | * GlobalWire
|
|---|
| 886 | *
|
|---|
| 887 | * The GlobalWire function is obsolete. It is provided only for compatibility
|
|---|
| 888 | * with 16-bit versions of Windows. Applications that need to lock a global
|
|---|
| 889 | * memory object should use the GlobalLock and GlobalUnlock functions.
|
|---|
| 890 | *
|
|---|
| 891 | */
|
|---|
| 892 | ODINFUNCTION1(LPVOID, GlobalWire,
|
|---|
| 893 | HGLOBAL, hmem)
|
|---|
| 894 | {
|
|---|
| 895 | return GlobalLock( hmem );
|
|---|
| 896 | }
|
|---|
| 897 | /***********************************************************************
|
|---|
| 898 | * GlobalUnWire
|
|---|
| 899 | *
|
|---|
| 900 | * The GlobalUnWire function is obsolete. It is provided only for compatibility
|
|---|
| 901 | * with 16-bit versions of Windows. Applications that need to lock a global
|
|---|
| 902 | * memory object should use the GlobalLock and GlobalUnlock functions.
|
|---|
| 903 | *
|
|---|
| 904 | */
|
|---|
| 905 | ODINFUNCTION1(BOOL, GlobalUnWire,
|
|---|
| 906 | HGLOBAL, hmem)
|
|---|
| 907 | {
|
|---|
| 908 | return GlobalUnlock( hmem);
|
|---|
| 909 | }
|
|---|
| 910 | //******************************************************************************
|
|---|
| 911 | //******************************************************************************
|
|---|
| 912 | ODINFUNCTION1(HGLOBAL, GlobalDiscard,
|
|---|
| 913 | HGLOBAL, hGlobal)
|
|---|
| 914 | {
|
|---|
| 915 | return O32_GlobalDiscard(hGlobal);
|
|---|
| 916 | }
|
|---|
| 917 | /***********************************************************************
|
|---|
| 918 | * GlobalFix (KERNEL32.@)
|
|---|
| 919 | */
|
|---|
| 920 | ODINPROCEDURE1(GlobalFix,
|
|---|
| 921 | HGLOBAL, hmem)
|
|---|
| 922 | {
|
|---|
| 923 | GlobalLock( hmem );
|
|---|
| 924 | }
|
|---|
| 925 | /***********************************************************************
|
|---|
| 926 | * GlobalUnfix (KERNEL32.@)
|
|---|
| 927 | */
|
|---|
| 928 | ODINPROCEDURE1(GlobalUnfix,
|
|---|
| 929 | HGLOBAL, hmem)
|
|---|
| 930 | {
|
|---|
| 931 | GlobalUnlock( hmem);
|
|---|
| 932 | }
|
|---|
| 933 | #endif
|
|---|
| 934 | //******************************************************************************
|
|---|
| 935 | //******************************************************************************
|
|---|
| 936 | HLOCAL WIN32API LocalAlloc(UINT fuFlags, DWORD cbBytes)
|
|---|
| 937 | {
|
|---|
| 938 | HLOCAL hLocal;
|
|---|
| 939 |
|
|---|
| 940 | // Check flags
|
|---|
| 941 | if(fuFlags & (~(LMEM_MOVEABLE | LMEM_DISCARDABLE | LMEM_NOCOMPACT |
|
|---|
| 942 | LMEM_NODISCARD | LMEM_ZEROINIT)))
|
|---|
| 943 | {
|
|---|
| 944 | dprintf(("LocalAlloc %x %x: INVALID flags!", fuFlags, cbBytes));
|
|---|
| 945 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 946 | return 0;
|
|---|
| 947 | }
|
|---|
| 948 | // Note: local & global flags are the same (the ones used here), so no need for conversion
|
|---|
| 949 | hLocal = GlobalAlloc(fuFlags, cbBytes);
|
|---|
| 950 | dprintf(("KERNEL32: LocalAlloc flags %X, size %d returned %X", fuFlags, cbBytes, hLocal));
|
|---|
| 951 | return hLocal;
|
|---|
| 952 | }
|
|---|
| 953 | //******************************************************************************
|
|---|
| 954 | //******************************************************************************
|
|---|
| 955 | UINT WIN32API LocalFlags(HLOCAL hMem)
|
|---|
| 956 | {
|
|---|
| 957 | UINT ret, retG;
|
|---|
| 958 | dprintf(("KERNEL32: LocalFlags %X\n", hMem));
|
|---|
| 959 |
|
|---|
| 960 | retG = GlobalFlags(hMem);
|
|---|
| 961 |
|
|---|
| 962 | if(retG == GMEM_INVALID_HANDLE)
|
|---|
| 963 | {
|
|---|
| 964 | return LMEM_INVALID_HANDLE;
|
|---|
| 965 | }
|
|---|
| 966 | // Low byte holds lock count.
|
|---|
| 967 | // Hi byte of low word contains some flags.
|
|---|
| 968 | ret = retG & 0xff; // Keep lock count.
|
|---|
| 969 | if (retG & GMEM_DISCARDABLE) ret |= LMEM_DISCARDABLE;
|
|---|
| 970 | if (retG & GMEM_DISCARDED) ret |= LMEM_DISCARDED;
|
|---|
| 971 |
|
|---|
| 972 | return ret;
|
|---|
| 973 | }
|
|---|
| 974 | //******************************************************************************
|
|---|
| 975 | //******************************************************************************
|
|---|
| 976 | HLOCAL WIN32API LocalFree(HLOCAL hMem)
|
|---|
| 977 | {
|
|---|
| 978 | dprintf(("KERNEL32: LocalFree %X", hMem));
|
|---|
| 979 |
|
|---|
| 980 | return GlobalFree(hMem);
|
|---|
| 981 | }
|
|---|
| 982 | //******************************************************************************
|
|---|
| 983 | //******************************************************************************
|
|---|
| 984 | HLOCAL WIN32API LocalHandle(PCVOID lpMem)
|
|---|
| 985 | {
|
|---|
| 986 | dprintf(("KERNEL32: LocalHandle %x", lpMem));
|
|---|
| 987 |
|
|---|
| 988 | return GlobalHandle(lpMem);
|
|---|
| 989 | }
|
|---|
| 990 | //******************************************************************************
|
|---|
| 991 | //******************************************************************************
|
|---|
| 992 | BOOL WIN32API LocalUnlock(HLOCAL hMem)
|
|---|
| 993 | {
|
|---|
| 994 | dprintf(("KERNEL32: LocalUnlock %X", hMem));
|
|---|
| 995 |
|
|---|
| 996 | return GlobalUnlock(hMem);
|
|---|
| 997 | }
|
|---|
| 998 | //******************************************************************************
|
|---|
| 999 | //TODO: cbBytes==0 && fuFlags & LMEM_MOVEABLE not handled!!
|
|---|
| 1000 | //******************************************************************************
|
|---|
| 1001 | HLOCAL WIN32API LocalReAlloc(HLOCAL hMem, DWORD cbBytes, UINT fuFlags)
|
|---|
| 1002 | {
|
|---|
| 1003 | HLOCAL hLocalNew, hLocalOld;
|
|---|
| 1004 | LPVOID lpMem, lpMemOld;
|
|---|
| 1005 | DWORD cbOldSize;
|
|---|
| 1006 |
|
|---|
| 1007 | dprintf(("KERNEL32: LocalReAlloc %X %d %X\n", hMem, cbBytes, fuFlags));
|
|---|
| 1008 |
|
|---|
| 1009 | // Check flags
|
|---|
| 1010 | if(fuFlags & (~(LMEM_MOVEABLE | LMEM_DISCARDABLE | LMEM_NOCOMPACT |
|
|---|
| 1011 | LMEM_MODIFY | LMEM_ZEROINIT)))
|
|---|
| 1012 | {
|
|---|
| 1013 | dprintf(("LocalAlloc %x %x: INVALID flags!", fuFlags, cbBytes));
|
|---|
| 1014 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 1015 | return 0;
|
|---|
| 1016 | }
|
|---|
| 1017 |
|
|---|
| 1018 | //SvL: 8-8-'98: Notepad bugfix (assumes address is identical when new size < old size)
|
|---|
| 1019 | cbOldSize = LocalSize(hMem);
|
|---|
| 1020 | if(cbOldSize > cbBytes)
|
|---|
| 1021 | return hMem;
|
|---|
| 1022 |
|
|---|
| 1023 | return GlobalReAlloc(hMem, cbBytes, fuFlags);
|
|---|
| 1024 | }
|
|---|
| 1025 | //******************************************************************************
|
|---|
| 1026 | //******************************************************************************
|
|---|
| 1027 | UINT WIN32API LocalSize(HLOCAL hMem)
|
|---|
| 1028 | {
|
|---|
| 1029 | dprintf(("KERNEL32: LocalSize %X", hMem));
|
|---|
| 1030 |
|
|---|
| 1031 | return GlobalSize(hMem);
|
|---|
| 1032 | }
|
|---|
| 1033 | //******************************************************************************
|
|---|
| 1034 | //******************************************************************************
|
|---|
| 1035 | PVOID WIN32API LocalLock(HLOCAL hMem)
|
|---|
| 1036 | {
|
|---|
| 1037 | dprintf(("KERNEL32: LocalLock %X\n", hMem));
|
|---|
| 1038 |
|
|---|
| 1039 | return GlobalLock(hMem);
|
|---|
| 1040 | }
|
|---|
| 1041 | //******************************************************************************
|
|---|
| 1042 | //* this function is here for completeness, some stupid software requires it.
|
|---|
| 1043 | //******************************************************************************
|
|---|
| 1044 | UINT WIN32API LocalShrink(HLOCAL hMem, UINT cbNewSize)
|
|---|
| 1045 | {
|
|---|
| 1046 | dprintf(("KERNEL32: LocalShrink %X, %08xh - OBSOLETE", hMem, cbNewSize));
|
|---|
| 1047 |
|
|---|
| 1048 | return cbNewSize;
|
|---|
| 1049 | }
|
|---|
| 1050 | //******************************************************************************
|
|---|
| 1051 | //* this function is here for completeness, mIRC/32 requires it.
|
|---|
| 1052 | //******************************************************************************
|
|---|
| 1053 | UINT WIN32API LocalCompact(UINT cbNewSize)
|
|---|
| 1054 | {
|
|---|
| 1055 | dprintf(("KERNEL32: LocalCompact %08xh - OBSOLETE", cbNewSize));
|
|---|
| 1056 |
|
|---|
| 1057 | return cbNewSize;
|
|---|
| 1058 | }
|
|---|
| 1059 | //******************************************************************************
|
|---|
| 1060 | //******************************************************************************
|
|---|
