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     TRACE( "created %p\n", error );
 106     *handle = (WS_ERROR *)error;
 107     return S_OK;
 108 }
 109
 110 static void reset_error( struct error *error )
 111 {
 112     ULONG code = 0;
 113     /* FIXME: release strings added with WsAddErrorString when it's implemented, reset string count */
 114     prop_set( error->prop, error->prop_count, WS_ERROR_PROPERTY_ORIGINAL_ERROR_CODE, &code, sizeof(code) );
 115 }
 116
 117 /**************************************************************************
 118  *          WsFreeError         [webservices.@]
 119  */
 120 void WINAPI WsFreeError( WS_ERROR *handle )
 121 {
 122     struct error *error = (struct error *)handle;
 123
 124     TRACE( "%p\n", handle );
 125
 126     if (!error) return;
 127
 128     EnterCriticalSection( &error->cs );
 129
 130     if (error->magic != ERROR_MAGIC)
 131     {
 132         LeaveCriticalSection( &error->cs );
 133         return;
 134     }
 135
 136     reset_error( error );
 137     error->magic = 0;
 138
 139     LeaveCriticalSection( &error->cs );
 140     free_error( error );
 141 }
 142
 143 /**************************************************************************
 144  *          WsResetError        [webservices.@]
 145  */
 146 HRESULT WINAPI WsResetError( WS_ERROR *handle )
 147 {
 148     struct error *error = (struct error *)handle;
 149
 150     TRACE( "%p\n", handle );
 151
 152     if (!error) return E_INVALIDARG;
 153
 154     EnterCriticalSection( &error->cs );
 155
 156     if (error->magic != ERROR_MAGIC)
 157     {
 158         LeaveCriticalSection( &error->cs );
 159         return E_INVALIDARG;
 160     }
 161
 162     reset_error( error );
 163
 164     LeaveCriticalSection( &error->cs );
 165     return S_OK;
 166 }
 167
 168 /**************************************************************************
 169  *          WsGetErrorProperty          [webservices.@]
 170  */
 171 HRESULT WINAPI WsGetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, void *buf,
 172                                    ULONG size )
 173 {
 174     struct error *error = (struct error *)handle;
 175     HRESULT hr;
 176
 177     TRACE( "%p %u %p %u\n", handle, id, buf, size );
 178
 179     if (!error) return E_INVALIDARG;
 180
 181     EnterCriticalSection( &error->cs );
 182
 183     if (error->magic != ERROR_MAGIC)
 184     {
 185         LeaveCriticalSection( &error->cs );
 186         return E_INVALIDARG;
 187     }
 188
 189     hr = prop_get( error->prop, error->prop_count, id, buf, size );
 190
 191     LeaveCriticalSection( &error->cs );
 192     return hr;
 193 }
 194
 195 /**************************************************************************
 196  *          WsGetErrorString            [webservices.@]
 197  */
 198 HRESULT WINAPI WsGetErrorString( WS_ERROR *handle, ULONG index, WS_STRING *str )
 199 {
 200     FIXME( "%p %u %p: stub\n", handle, index, str );
 201     return E_NOTIMPL;
 202 }
 203
 204 /**************************************************************************
 205  *          WsSetErrorProperty          [webservices.@]
 206  */
 207 HRESULT WINAPI WsSetErrorProperty( WS_ERROR *handle, WS_ERROR_PROPERTY_ID id, const void *value,
 208                                    ULONG size )
 209 {
 210     struct error *error = (struct error *)handle;
 211     HRESULT hr;
 212
 213     TRACE( "%p %u %p %u\n", handle, id, value, size );
 214
 215     if (!error) return E_INVALIDARG;
 216
 217     EnterCriticalSection( &error->cs );
 218
 219     if (error->magic != ERROR_MAGIC)
 220     {
 221         LeaveCriticalSection( &error->cs );
 222         return E_INVALIDARG;
 223     }
 224
 225     if (id == WS_ERROR_PROPERTY_LANGID)
 226     {
 227         LeaveCriticalSection( &error->cs );
 228         return WS_E_INVALID_OPERATION;
 229     }
 230
 231     hr = prop_set( error->prop, error->prop_count, id, value, size );
 232
 233     LeaveCriticalSection( &error->cs );
 234     return hr;
 235 }