dlls/wmiutils/statuscode.c

   1 /*
   2  * Copyright 2009 Hans Leidekker for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define COBJMACROS
  20
  21 #include "config.h"
  22 #include <stdarg.h>
  23 #include <stdio.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "initguid.h"
  29 #include "ole2.h"
  30 #include "wbemcli.h"
  31
  32 #include "wine/debug.h"
  33 #include "wine/unicode.h"
  34 #include "wmiutils_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(wmiutils);
  37
  38 typedef struct status_code
  39 {
  40     const IWbemStatusCodeTextVtbl *vtbl;
  41     LONG refs;
  42 } status_code;
  43
  44 static inline status_code *impl_from_IWbemStatusCodeText( IWbemStatusCodeText *iface )
  45 {
  46     return (status_code *)((char *)iface - FIELD_OFFSET( status_code, vtbl ));
  47 }
  48
  49 static ULONG WINAPI status_code_AddRef(
  50     IWbemStatusCodeText *iface )
  51 {
  52     status_code *status_code = impl_from_IWbemStatusCodeText( iface );
  53     return InterlockedIncrement( &status_code->refs );
  54 }
  55
  56 static ULONG WINAPI status_code_Release(
  57     IWbemStatusCodeText *iface )
  58 {
  59     status_code *status_code = impl_from_IWbemStatusCodeText( iface );
  60     LONG refs = InterlockedDecrement( &status_code->refs );
  61     if (!refs)
  62     {
  63         TRACE("destroying %p\n", status_code);
  64         HeapFree( GetProcessHeap(), 0, status_code );
  65     }
  66     return refs;
  67 }
  68
  69 static HRESULT WINAPI status_code_QueryInterface(
  70     IWbemStatusCodeText *iface,
  71     REFIID riid,
  72     void **ppvObject )
  73 {
  74     status_code *This = impl_from_IWbemStatusCodeText( iface );
  75
  76     TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppvObject );
  77
  78     if ( IsEqualGUID( riid, &IID_IWbemStatusCodeText ) ||
  79          IsEqualGUID( riid, &IID_IUnknown ) )
  80     {
  81         *ppvObject = iface;
  82     }
  83     else
  84     {
  85         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  86         return E_NOINTERFACE;
  87     }
  88     IWbemStatusCodeText_AddRef( iface );
  89     return S_OK;
  90 }
  91
  92 static HRESULT WINAPI status_code_GetErrorCodeText(
  93     IWbemStatusCodeText *iface,
  94     HRESULT res,
  95     LCID lcid,
  96     LONG flags,
  97     BSTR *text )
  98 {
  99     static const WCHAR fmt[] =
 100         {'E','r','r','o','r',' ','c','o','d','e',':',' ','0','x','%','0','8','x',0};
 101     WCHAR msg[32];
 102
 103     FIXME("%p, 0x%08x, 0x%04x, 0x%08x, %p\n", iface, res, lcid, flags, text);
 104
 105     sprintfW(msg, fmt, res);
 106     *text = SysAllocString(msg);
 107     return WBEM_S_NO_ERROR;
 108 }
 109
 110 static HRESULT WINAPI status_code_GetFacilityCodeText(
 111     IWbemStatusCodeText *iface,
 112     HRESULT res,
 113     LCID lcid,
 114     LONG flags,
 115     BSTR *text )
 116 {
 117     static const WCHAR fmt[] =
 118         {'F','a','c','i','l','i','t','y',' ','c','o','d','e',':',' ','0','x','%','0','8','x',0};
 119     WCHAR msg[32];
 120
 121     FIXME("%p, 0x%08x, 0x%04x, 0x%08x, %p\n", iface, res, lcid, flags, text);
 122
 123     sprintfW(msg, fmt, res);
 124     *text = SysAllocString(msg);
 125     return WBEM_S_NO_ERROR;
 126 }
 127
 128 static const struct IWbemStatusCodeTextVtbl status_code_vtbl =
 129 {
 130     status_code_QueryInterface,
 131     status_code_AddRef,
 132     status_code_Release,
 133     status_code_GetErrorCodeText,
 134     status_code_GetFacilityCodeText
 135 };
 136
 137 HRESULT WbemStatusCodeText_create( IUnknown *pUnkOuter, LPVOID *ppObj )
 138 {
 139     status_code *sc;
 140
 141     TRACE("(%p,%p)\n", pUnkOuter, ppObj);
 142
 143     sc = HeapAlloc( GetProcessHeap(), 0, sizeof(*sc) );
 144     if (!sc) return E_OUTOFMEMORY;
 145
 146     sc->vtbl = &status_code_vtbl;
 147     sc->refs = 1;
 148
 149     *ppObj = &sc->vtbl;
 150
 151     TRACE("returning iface %p\n", *ppObj);
 152     return S_OK;
 153 }