dlls/spoolss/spoolss_main.c

   1 /*
   2  * Implementation of the Spooler-Service helper DLL
   3  *
   4  * Copyright 2006 Detlef Riekenberg
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winerror.h"
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(spoolss);
  29
  30
  31 /******************************************************************
  32  *
  33  */
  34 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  35 {
  36     TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
  37
  38     switch (fdwReason) {
  39         case DLL_WINE_PREATTACH:
  40             return FALSE;  /* prefer native version */
  41         case DLL_PROCESS_ATTACH: {
  42             DisableThreadLibraryCalls(hinstDLL);
  43             break;
  44         }
  45     }
  46     return TRUE;
  47 }
  48
  49 /******************************************************************
  50  *   AllocSplStr   [SPOOLSS.@]
  51  *
  52  * Create a copy from the String on the Spooler-Heap
  53  *
  54  * PARAMS
  55  *  pwstr [I] PTR to the String to copy
  56  *
  57  * RETURNS
  58  *  Failure: NULL
  59  *  Success: PTR to the copied String
  60  *
  61  */
  62 LPWSTR WINAPI AllocSplStr(LPCWSTR pwstr)
  63 {
  64     LPWSTR  res = NULL;
  65     DWORD   len;
  66
  67     TRACE("(%s)\n", debugstr_w(pwstr));
  68     if (!pwstr) return NULL;
  69
  70     len = (lstrlenW(pwstr) + 1) * sizeof(WCHAR);
  71     res = HeapAlloc(GetProcessHeap(), 0, len);
  72     if (res) lstrcpyW(res, pwstr);
  73
  74     TRACE("returning %p\n", res);
  75     return res;
  76 }
  77
  78 /******************************************************************
  79  *   DllAllocSplMem   [SPOOLSS.@]
  80  *
  81  * Allocate cleared memory from the spooler heap
  82  *
  83  * PARAMS
  84  *  size [I] Number of bytes to allocate
  85  *
  86  * RETURNS
  87  *  Failure: NULL
  88  *  Success: PTR to the allocated memory
  89  *
  90  * NOTES
  91  *  We use the process heap (Windows use a separate spooler heap)
  92  *
  93  */
  94 LPVOID WINAPI DllAllocSplMem(DWORD size)
  95 {
  96     LPVOID  res;
  97
  98     res = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
  99     TRACE("(%d) => %p\n", size, res);
 100     return res;
 101 }
 102
 103 /******************************************************************
 104  *   DllFreeSplMem   [SPOOLSS.@]
 105  *
 106  * Free the allocated spooler memory
 107  *
 108  * PARAMS
 109  *  memory [I] PTR to the memory allocated by DllAllocSplMem
 110  *
 111  * RETURNS
 112  *  Failure: FALSE
 113  *  Success: TRUE
 114  *
 115  * NOTES
 116  *  We use the process heap (Windows use a separate spooler heap)
 117  *
 118  */
 119
 120 BOOL WINAPI DllFreeSplMem(LPBYTE memory)
 121 {
 122     TRACE("(%p)\n", memory);
 123     return HeapFree(GetProcessHeap(), 0, memory);
 124 }
 125
 126 /******************************************************************
 127  *   DllFreeSplStr   [SPOOLSS.@]
 128  *
 129  * Free the allocated Spooler-String
 130  *
 131  * PARAMS
 132  *  pwstr [I] PTR to the WSTR, allocated by AllocSplStr
 133  *
 134  * RETURNS
 135  *  Failure: FALSE
 136  *  Success: TRUE
 137  *
 138  */
 139
 140 BOOL WINAPI DllFreeSplStr(LPWSTR pwstr)
 141 {
 142     TRACE("(%s) PTR: %p\n", debugstr_w(pwstr), pwstr);
 143     return HeapFree(GetProcessHeap(), 0, pwstr);
 144 }