dlls/webservices/error.c

   1 /*
   2  * Copyright 2015, 2016 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 #include <stdarg.h>
  20
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "winnls.h"
  24 #include "webservices.h"
  25
  26 #include "wine/debug.h"
  27 #include "wine/list.h"
  28 #include "webservices_private.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(webservices);
  31
  32 static const struct prop_desc error_props[] =
  33 {
  34     { sizeof(ULONG), TRUE },    /* WS_ERROR_PROPERTY_STRING_COUNT */
  35     { sizeof(ULONG), FALSE },   /* WS_ERROR_PROPERTY_ORIGINAL_ERROR_CODE */
  36     { sizeof(LANGID), FALSE }   /* WS_ERROR_PROPERTY_LANGID */
  37 };
  38
  39 struct error
  40 {
  41     ULONG            magic;
  42     CRITICAL_SECTION cs;
  43     ULONG            prop_count;
  44     struct prop      prop[sizeof(error_props)/sizeof(error_props[0])];
  45 };
  46
  47 #define ERROR_MAGIC (('E' << 24) | ('R' << 16) | ('R' << 8) | 'O')
  48
  49 static struct error *alloc_error(void)
  50 {
  51     static const ULONG count = sizeof(error_props)/sizeof(error_props[0]);
  52     struct error *ret;
  53     ULONG size = sizeof(*ret) + prop_size( error_props, count );
  54
  55     if (!(ret = heap_alloc_zero( size ))) return NULL;
  56
  57     ret->magic      = ERROR_MAGIC;
  58     InitializeCriticalSection( &ret->cs );
  59     ret->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": error.cs");
  60
  61     prop_init( error_props, count, ret->prop, &ret[1] );
  62     ret->prop_count = count;
  63     return ret;
  64 }
  65
  66 static void free_error( struct error *error )
  67 {
  68     error->cs.DebugInfo->Spare[0] = 0;
  69     DeleteCriticalSection( &error->cs );
  70     heap_free( error );
  71 }
  72
  73 /**************************************************************************
  74  *          WsCreateError               [webservices.@]
  75  */
  76 HRESULT WINAPI WsCreateError( const WS_ERROR_PROPERTY *properties, ULONG count, WS_ERROR **handle )
  77 {
  78     struct error *error;
  79     LANGID langid = GetUserDefaultUILanguage();
  80     HRESULT hr;
  81     ULONG i;
  82
  83     TRACE( "%p %u %p\n", properties, count, handle );
  84
  85     if (!handle) return E_INVALIDARG;
  86     if (!(error = alloc_error())) return E_OUTOFMEMORY;
  87
  88     prop_set( error->prop, error->prop_count, WS_ERROR_PROPERTY_LANGID, &langid, sizeof(langid) );
  89     for (i = 0; i < count; i++)
  90     {
  91         if (properties[i].id == WS_ERROR_PROPERTY_ORIGINAL_ERROR_CODE)
  92         {
  93             free_error( error );
  94             return E_INVALIDARG;
  95         }
  96         hr = prop_set( error->prop, error->prop_count, properties[i].id, properties[i].value,
  97                        properties[i].valueSize );
  98         if (hr != S_OK)
  99         {
 100             free_error( error );
 101             return hr;
 102         }
 103     }
 104
 105     *handle = (WS_ERROR *)error;
 106     return S_OK;
 107 }
 108
 109 static void reset_error( struct error *error )
 110 {
 111     ULONG code = 0;
 112     /* FIXME: release strings added with WsAddErrorString when it's implemented, reset string count */
 113     prop_set( error->prop, error->prop_count, WS_ERROR_PROPERTY_ORIGINAL_ERROR_CODE, &code, sizeof(code) );
 114 }
 115
 116 /**************************************************************************
 117  *          WsFreeError         [webservices.@]
 118  */
 119 void WINAPI WsFreeError( WS_ERROR *handle )
 120 {
 121     struct error *error = (struct error *)handle;
 122
 123     TRACE( "%p\n", handle );
 124
 125     if (!error) return;
 126
 127     EnterCriticalSection( &error->cs );
 128
 129     if (error->magic != ERROR_MAGIC)
 130     {
 131         LeaveCriticalSection( &error->cs );
 132         return;
 133     }
 134
 135     reset_error( error );
 136     error->magic = 0;
 137
 138     LeaveCriticalSection( &error->cs );
 139     free_error( error );
 140 }
 141
 142 /**************************************************************************
 143  *          WsResetError        [webservices.@]
 144  */
 145 HRESULT WINAPI WsResetError( WS_ERROR *handle )
 146 {
 147     struct error *error = (struct error *)handle;
 148
 149     TRACE( "%p\n", handle );
 150
 151     if (!error) return E_INVALIDARG;
 152
 153     EnterCriticalSection( &error->cs );
 154
 155     if (error->magic != ERROR_MAGIC)
 156     {
 157         LeaveCriticalSection( &error->cs );
 158         return E_INVALIDARG;
 159     }
 160
 161     reset_error( error );
 162
 163     LeaveCriticalSection( &error->cs );
 164     return S_OK;
 165 }
 166
 167 /**************************************************************************
 168  *          WsGetErrorProperty          [webservices.@]
 169  */
 170 HRESULT WINAPI WsGetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, void *buf,
 171                                    ULONG size )
 172 {
 173     struct error *error = (struct error *)handle;
 174     HRESULT hr;
 175
 176     TRACE( "%p %u %p %u\n", handle, id, buf, size );
 177
 178     if (!error) return E_INVALIDARG;
 179
 180     EnterCriticalSection( &error->cs );
 181
 182     if (error->magic != ERROR_MAGIC)
 183     {
 184         LeaveCriticalSection( &error->cs );
 185         return E_INVALIDARG;
 186     }
 187
 188     hr = prop_get( error->prop, error->prop_count, id, buf, size );
 189
 190     LeaveCriticalSection( &error->cs );
 191     return hr;
 192 }
 193
 194 /**************************************************************************
 195  *          WsGetErrorString            [webservices.@]
 196  */
 197 HRESULT WINAPI WsGetErrorString( WS_ERROR *handle, ULONG index, WS_STRING *str )
 198 {
 199     FIXME( "%p %u %p: stub\n", handle, index, str );
 200     return E_NOTIMPL;
 201 }
 202
 203 /**************************************************************************
 204  *          WsSetErrorProperty          [webservices.@]
 205  */
 206 HRESULT WINAPI WsSetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, const void *value,
 207                                    ULONG size )
 208 {
 209     struct error *error = (struct error *)handle;
 210     HRESULT hr;
 211
 212     TRACE( "%p %u %p %u\n", handle, id, value, size );
 213
 214     if (!error) return E_INVALIDARG;
 215
 216     EnterCriticalSection( &error->cs );
 217
 218     if (error->magic != ERROR_MAGIC)
 219     {
 220         LeaveCriticalSection( &error->cs );
 221         return E_INVALIDARG;
 222     }
 223
 224     if (id == WS_ERROR_PROPERTY_LANGID)
 225     {
 226         LeaveCriticalSection( &error->cs );
 227         return WS_E_INVALID_OPERATION;
 228     }
 229
 230     hr = prop_set( error->prop, error->prop_count, id, value, size );
 231
 232     LeaveCriticalSection( &error->cs );
 233     return hr;
 234 }