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51c6618d8d
wine/dlls/msi/helpers.c
Mike McCormack 51c6618d8d Rename load_dynamic_stringW to msi_dup_record_field to better describe 
what it does, and replace a few instances with MSI_RecordGetString to
avoid allocating memory.
2005-10-27 12:36:12 +00:00

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/*
* Implementation of the Microsoft Installer (msi.dll)
*
* Copyright 2005 Aric Stewart for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Here are helper functions formally in action.c that are used by a variaty of
* actions and functions.
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wine/debug.h"
#include "msipriv.h"
#include "winuser.h"
#include "wine/unicode.h"
#include "action.h"
WINE_DEFAULT_DEBUG_CHANNEL(msi);
static const WCHAR cszTargetDir[] = {'T','A','R','G','E','T','D','I','R',0};
static const WCHAR cszDatabase[]={'D','A','T','A','B','A','S','E',0};
const WCHAR cszSourceDir[] = {'S','o','u','r','c','e','D','i','r',0};
const WCHAR cszRootDrive[] = {'R','O','O','T','D','R','I','V','E',0};
const WCHAR cszbs[]={'\\',0};
DWORD build_version_dword(LPCWSTR version_string)
{
SHORT major,minor;
WORD build;
DWORD rc = 0x00000000;
LPCWSTR ptr1;
ptr1 = version_string;
if (!ptr1)
return rc;
else
major = atoiW(ptr1);
if(ptr1)
ptr1 = strchrW(ptr1,'.');
if (ptr1)
{
ptr1++;
minor = atoiW(ptr1);
}
else
minor = 0;
if (ptr1)
ptr1 = strchrW(ptr1,'.');
if (ptr1)
{
ptr1++;
build = atoiW(ptr1);
}
else
build = 0;
rc = MAKELONG(build,MAKEWORD(minor,major));
TRACE("%s -> 0x%lx\n",debugstr_w(version_string),rc);
return rc;
}
LPWSTR build_icon_path(MSIPACKAGE *package, LPCWSTR icon_name )
{
LPWSTR SystemFolder, dest, FilePath;
static const WCHAR szInstaller[] =
{'M','i','c','r','o','s','o','f','t','\\',
'I','n','s','t','a','l','l','e','r','\\',0};
static const WCHAR szFolder[] =
{'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
SystemFolder = msi_dup_property( package, szFolder );
dest = build_directory_name(3, SystemFolder, szInstaller, package->ProductCode);
create_full_pathW(dest);
FilePath = build_directory_name(2, dest, icon_name);
msi_free(SystemFolder);
msi_free(dest);
return FilePath;
}
LPWSTR msi_dup_record_field( MSIRECORD *row, INT index )
{
return strdupW( MSI_RecordGetString(row,index) );
}
LPWSTR msi_dup_property(MSIPACKAGE *package, LPCWSTR prop)
{
DWORD sz = 0;
LPWSTR str;
UINT r;
r = MSI_GetPropertyW(package, prop, NULL, &sz);
if (r != ERROR_SUCCESS && r != ERROR_MORE_DATA)
return NULL;
sz++;
str = msi_alloc(sz*sizeof(WCHAR));
r = MSI_GetPropertyW(package, prop, str, &sz);
if (r != ERROR_SUCCESS)
{
msi_free(str);
str = NULL;
}
return str;
}
MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
{
MSICOMPONENT *comp;
LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
{
if (lstrcmpW(Component,comp->Component)==0)
return comp;
}
return NULL;
}
MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
{
MSIFEATURE *feature;
LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
{
if (lstrcmpW( Feature, feature->Feature )==0)
return feature;
}
return NULL;
}
MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
{
MSIFILE *file;
LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
{
if (lstrcmpW( key, file->File )==0)
return file;
}
return NULL;
}
int track_tempfile( MSIPACKAGE *package, LPCWSTR name, LPCWSTR path )
{
MSITEMPFILE *temp;
if (!package)
return -1;
LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
{
if (lstrcmpW( name, temp->File )==0)
{
TRACE("tempfile %s already exists with path %s\n",
debugstr_w(temp->File), debugstr_w(temp->Path));
return -1;
}
}
temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
if (!temp)
return -1;
list_add_head( &package->tempfiles, &temp->entry );
temp->File = strdupW( name );
temp->Path = strdupW( path );
TRACE("adding tempfile %s with path %s\n",
debugstr_w(temp->File), debugstr_w(temp->Path));
return 0;
}
MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
{
MSIFOLDER *folder;
LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
{
if (lstrcmpW( dir, folder->Directory )==0)
return folder;
}
return NULL;
}
LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
BOOL set_prop, MSIFOLDER **folder)
{
MSIFOLDER *f;
LPWSTR p, path = NULL;
TRACE("Working to resolve %s\n",debugstr_w(name));
if (!name)
return NULL;
/* special resolving for Target and Source root dir */
if (strcmpW(name,cszTargetDir)==0 || strcmpW(name,cszSourceDir)==0)
{
if (!source)
{
LPWSTR check_path;
check_path = msi_dup_property( package, cszTargetDir );
if (!check_path)
{
check_path = msi_dup_property( package, cszRootDrive );
if (set_prop)
MSI_SetPropertyW(package,cszTargetDir,check_path);
}
/* correct misbuilt target dir */
path = build_directory_name(2, check_path, NULL);
if (strcmpiW(path,check_path)!=0)
MSI_SetPropertyW(package,cszTargetDir,path);
msi_free(check_path);
}
else
{
path = msi_dup_property( package, cszSourceDir );
if (!path)
{
path = msi_dup_property( package, cszDatabase );
if (path)
{
p = strrchrW(path,'\\');
if (p)
*(p+1) = 0;
}
}
}
if (folder)
*folder = get_loaded_folder( package, name );
return path;
}
f = get_loaded_folder( package, name );
if (!f)
return NULL;
if (folder)
*folder = f;
if (!source && f->ResolvedTarget)
{
path = strdupW( f->ResolvedTarget );
TRACE(" already resolved to %s\n",debugstr_w(path));
return path;
}
else if (source && f->ResolvedSource)
{
path = strdupW( f->ResolvedSource );
TRACE(" (source)already resolved to %s\n",debugstr_w(path));
return path;
}
else if (!source && f->Property)
{
path = build_directory_name( 2, f->Property, NULL );
TRACE(" internally set to %s\n",debugstr_w(path));
if (set_prop)
MSI_SetPropertyW( package, name, path );
return path;
}
if (f->Parent)
{
LPWSTR parent = f->Parent->Directory;
TRACE(" ! Parent is %s\n", debugstr_w(parent));
p = resolve_folder(package, parent, source, set_prop, NULL);
if (!source)
{
TRACE(" TargetDefault = %s\n", debugstr_w(f->TargetDefault));
path = build_directory_name( 3, p, f->TargetDefault, NULL );
f->ResolvedTarget = strdupW( path );
TRACE(" resolved into %s\n",debugstr_w(path));
if (set_prop)
MSI_SetPropertyW(package,name,path);
}
else
{
if (f->SourceDefault && f->SourceDefault[0]!='.')
path = build_directory_name( 3, p, f->SourceDefault, NULL );
else
path = strdupW(p);
TRACE(" (source)resolved into %s\n",debugstr_w(path));
f->ResolvedSource = strdupW( path );
}
msi_free(p);
}
return path;
}
/* wrapper to resist a need for a full rewrite right now */
DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
{
if (ptr)
{
MSIRECORD *rec = MSI_CreateRecord(1);
DWORD size = 0;
MSI_RecordSetStringW(rec,0,ptr);
MSI_FormatRecordW(package,rec,NULL,&size);
if (size >= 0)
{
size++;
*data = msi_alloc(size*sizeof(WCHAR));
if (size > 1)
MSI_FormatRecordW(package,rec,*data,&size);
else
*data[0] = 0;
msiobj_release( &rec->hdr );
return sizeof(WCHAR)*size;
}
msiobj_release( &rec->hdr );
}
*data = NULL;
return 0;
}
UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
{
UINT count;
LPWSTR *newbuf = NULL;
if (script >= TOTAL_SCRIPTS)
{
FIXME("Unknown script requested %i\n",script);
return ERROR_FUNCTION_FAILED;
}
TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
count = package->script->ActionCount[script];
package->script->ActionCount[script]++;
if (count != 0)
newbuf = msi_realloc( package->script->Actions[script],
package->script->ActionCount[script]* sizeof(LPWSTR));
else
newbuf = msi_alloc( sizeof(LPWSTR));
newbuf[count] = strdupW(action);
package->script->Actions[script] = newbuf;
return ERROR_SUCCESS;
}
static void remove_tracked_tempfiles(MSIPACKAGE* package)
{
struct list *item, *cursor;
LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
{
MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
list_remove( &temp->entry );
TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
DeleteFileW( temp->Path );
msi_free( temp->File );
msi_free( temp->Path );
msi_free( temp );
}
}
static void free_feature( MSIFEATURE *feature )
{
struct list *item, *cursor;
LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
{
ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
list_remove( &cl->entry );
msi_free( cl );
}
msi_free( feature->Feature );
msi_free( feature->Feature_Parent );
msi_free( feature->Directory );
msi_free( feature->Description );
msi_free( feature->Title );
msi_free( feature );
}
void free_extension( MSIEXTENSION *ext )
{
struct list *item, *cursor;
LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
{
MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
list_remove( &verb->entry );
msi_free( verb->Verb );
msi_free( verb->Command );
msi_free( verb->Argument );
msi_free( verb );
}
msi_free( ext->Extension );
msi_free( ext->ProgIDText );
msi_free( ext );
}
/* Called when the package is being closed */
void ACTION_free_package_structures( MSIPACKAGE* package)
{
INT i;
struct list *item, *cursor;
TRACE("Freeing package action data\n");
remove_tracked_tempfiles(package);
LIST_FOR_EACH_SAFE( item, cursor, &package->features )
{
MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
list_remove( &feature->entry );
free_feature( feature );
}
LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
{
MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
list_remove( &folder->entry );
msi_free( folder->Directory );
msi_free( folder->TargetDefault );
msi_free( folder->SourceDefault );
msi_free( folder->ResolvedTarget );
msi_free( folder->ResolvedSource );
msi_free( folder->Property );
msi_free( folder );
}
LIST_FOR_EACH_SAFE( item, cursor, &package->components )
{
MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
list_remove( &comp->entry );
msi_free( comp->Component );
msi_free( comp->ComponentId );
msi_free( comp->Directory );
msi_free( comp->Condition );
msi_free( comp->KeyPath );
msi_free( comp->FullKeypath );
msi_free( comp );
}
LIST_FOR_EACH_SAFE( item, cursor, &package->files )
{
MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
list_remove( &file->entry );
msi_free( file->File );
msi_free( file->FileName );
msi_free( file->ShortName );
msi_free( file->Version );
msi_free( file->Language );
msi_free( file->SourcePath );
msi_free( file->TargetPath );
msi_free( file );
}
/* clean up extension, progid, class and verb structures */
LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
{
MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
list_remove( &cls->entry );
msi_free( cls->clsid );
msi_free( cls->Context );
msi_free( cls->Description );
msi_free( cls->FileTypeMask );
msi_free( cls->IconPath );
msi_free( cls->DefInprocHandler );
msi_free( cls->DefInprocHandler32 );
msi_free( cls->Argument );
msi_free( cls->ProgIDText );
msi_free( cls );
}
LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
{
MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
list_remove( &ext->entry );
free_extension( ext );
}
LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
{
MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
list_remove( &progid->entry );
msi_free( progid->ProgID );
msi_free( progid->Description );
msi_free( progid->IconPath );
msi_free( progid );
}
LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
{
MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
list_remove( &mt->entry );
msi_free( mt->clsid );
msi_free( mt->ContentType );
msi_free( mt );
}
LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
{
MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
list_remove( &appid->entry );
msi_free( appid->AppID );
msi_free( appid->RemoteServerName );
msi_free( appid->LocalServer );
msi_free( appid->ServiceParameters );
msi_free( appid->DllSurrogate );
msi_free( appid );
}
if (package->script)
{
for (i = 0; i < TOTAL_SCRIPTS; i++)
{
int j;
for (j = 0; j < package->script->ActionCount[i]; j++)
msi_free(package->script->Actions[i][j]);
msi_free(package->script->Actions[i]);
}
for (i = 0; i < package->script->UniqueActionsCount; i++)
msi_free(package->script->UniqueActions[i]);
msi_free(package->script->UniqueActions);
msi_free(package->script);
}
msi_free(package->PackagePath);
msi_free(package->ProductCode);
msi_free(package->ActionFormat);
msi_free(package->LastAction);
/* cleanup control event subscriptions */
ControlEvent_CleanupSubscriptions(package);
}
/*
* build_directory_name()
*
* This function is to save messing round with directory names
* It handles adding backslashes between path segments,
* and can add \ at the end of the directory name if told to.
*
* It takes a variable number of arguments.
* It always allocates a new string for the result, so make sure
* to free the return value when finished with it.
*
* The first arg is the number of path segments that follow.
* The arguments following count are a list of path segments.
* A path segment may be NULL.
*
* Path segments will be added with a \ separating them.
* A \ will not be added after the last segment, however if the
* last segment is NULL, then the last character will be a \
*
*/
LPWSTR build_directory_name(DWORD count, ...)
{
DWORD sz = 1, i;
LPWSTR dir;
va_list va;
va_start(va,count);
for(i=0; i<count; i++)
{
LPCWSTR str = va_arg(va,LPCWSTR);
if (str)
sz += strlenW(str) + 1;
}
va_end(va);
dir = msi_alloc(sz*sizeof(WCHAR));
dir[0]=0;
va_start(va,count);
for(i=0; i<count; i++)
{
LPCWSTR str = va_arg(va,LPCWSTR);
if (!str)
continue;
strcatW(dir, str);
if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
strcatW(dir, cszbs);
}
return dir;
}
/***********************************************************************
* create_full_pathW
*
* Recursively create all directories in the path.
*
* shamelessly stolen from setupapi/queue.c
*/
BOOL create_full_pathW(const WCHAR *path)
{
BOOL ret = TRUE;
int len;
WCHAR *new_path;
new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
strcpyW(new_path, path);
while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
new_path[len - 1] = 0;
while(!CreateDirectoryW(new_path, NULL))
{
WCHAR *slash;
DWORD last_error = GetLastError();
if(last_error == ERROR_ALREADY_EXISTS)
break;
if(last_error != ERROR_PATH_NOT_FOUND)
{
ret = FALSE;
break;
}
if(!(slash = strrchrW(new_path, '\\')))
{
ret = FALSE;
break;
}
len = slash - new_path;
new_path[len] = 0;
if(!create_full_pathW(new_path))
{
ret = FALSE;
break;
}
new_path[len] = '\\';
}
msi_free(new_path);
return ret;
}
void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
{
MSIRECORD * row;
row = MSI_CreateRecord(4);
MSI_RecordSetInteger(row,1,a);
MSI_RecordSetInteger(row,2,b);
MSI_RecordSetInteger(row,3,c);
MSI_RecordSetInteger(row,4,d);
MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
msiobj_release(&row->hdr);
msi_dialog_check_messages(NULL);
}
void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
{
static const WCHAR Query_t[] =
{'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
'`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
' ','\'','%','s','\'',0};
WCHAR message[1024];
MSIRECORD * row = 0;
DWORD size;
static const WCHAR szActionData[] =
{'A','c','t','i','o','n','D','a','t','a',0};
if (!package->LastAction || strcmpW(package->LastAction,action))
{
row = MSI_QueryGetRecord(package->db, Query_t, action);
if (!row)
return;
if (MSI_RecordIsNull(row,3))
{
msiobj_release(&row->hdr);
return;
}
/* update the cached actionformat */
msi_free(package->ActionFormat);
package->ActionFormat = msi_dup_record_field(row,3);
msi_free(package->LastAction);
package->LastAction = strdupW(action);
msiobj_release(&row->hdr);
}
MSI_RecordSetStringW(record,0,package->ActionFormat);
size = 1024;
MSI_FormatRecordW(package,record,message,&size);
row = MSI_CreateRecord(1);
MSI_RecordSetStringW(row,1,message);
MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
ControlEvent_FireSubscribedEvent(package,szActionData, row);
msiobj_release(&row->hdr);
}
BOOL ACTION_VerifyComponentForAction(MSIPACKAGE* package, MSICOMPONENT* comp,
INSTALLSTATE check )
{
if (!comp)
return FALSE;
if (comp->Installed == check)
return FALSE;
if (comp->ActionRequest == check)
return TRUE;
else
return FALSE;
}
BOOL ACTION_VerifyFeatureForAction( MSIFEATURE* feature, INSTALLSTATE check )
{
if (!feature)
return FALSE;
if (feature->Installed == check)
return FALSE;
if (feature->ActionRequest == check)
return TRUE;
else
return FALSE;
}
void reduce_to_longfilename(WCHAR* filename)
{
LPWSTR p = strchrW(filename,'|');
if (p)
memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
}
void reduce_to_shortfilename(WCHAR* filename)
{
LPWSTR p = strchrW(filename,'|');
if (p)
*p = 0;
}
LPWSTR create_component_advertise_string(MSIPACKAGE* package,
MSICOMPONENT* component, LPCWSTR feature)
{
GUID clsid;
WCHAR productid_85[21];
WCHAR component_85[21];
/*
* I have a fair bit of confusion as to when a < is used and when a > is
* used. I do not think i have it right...
*
* Ok it appears that the > is used if there is a guid for the compoenent
* and the < is used if not.
*/
static WCHAR fmt1[] = {'%','s','%','s','<',0,0};
static WCHAR fmt2[] = {'%','s','%','s','>','%','s',0,0};
LPWSTR output = NULL;
DWORD sz = 0;
memset(productid_85,0,sizeof(productid_85));
memset(component_85,0,sizeof(component_85));
CLSIDFromString(package->ProductCode, &clsid);
encode_base85_guid(&clsid,productid_85);
CLSIDFromString(component->ComponentId, &clsid);
encode_base85_guid(&clsid,component_85);
TRACE("Doing something with this... %s %s %s\n",
debugstr_w(productid_85), debugstr_w(feature),
debugstr_w(component_85));
sz = lstrlenW(productid_85) + lstrlenW(feature);
if (component)
sz += lstrlenW(component_85);
sz+=3;
sz *= sizeof(WCHAR);
output = msi_alloc(sz);
memset(output,0,sz);
if (component)
sprintfW(output,fmt2,productid_85,feature,component_85);
else
sprintfW(output,fmt1,productid_85,feature);
return output;
}
/* update compoennt state based on a feature change */
void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
{
INSTALLSTATE newstate;
MSIFEATURE *feature;
ComponentList *cl;
feature = get_loaded_feature(package,szFeature);
if (!feature)
return;
newstate = feature->ActionRequest;
LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
{
MSICOMPONENT* component = cl->component;
TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
newstate, debugstr_w(component->Component), component->Installed,
component->Action, component->ActionRequest);
if (!component->Enabled)
continue;
if (newstate == INSTALLSTATE_LOCAL)
{
component->ActionRequest = INSTALLSTATE_LOCAL;
component->Action = INSTALLSTATE_LOCAL;
}
else
{
ComponentList *clist;
MSIFEATURE *f;
component->ActionRequest = newstate;
component->Action = newstate;
/*if any other feature wants is local we need to set it local*/
LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
{
if ( component->ActionRequest != INSTALLSTATE_LOCAL )
break;
LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
{
if ( clist->component == component )
{
if (f->ActionRequest == INSTALLSTATE_LOCAL)
{
TRACE("Saved by %s\n", debugstr_w(f->Feature));
component->ActionRequest = INSTALLSTATE_LOCAL;
component->Action = INSTALLSTATE_LOCAL;
}
break;
}
}
}
}
TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
newstate, debugstr_w(component->Component), component->Installed,
component->Action, component->ActionRequest);
}
}
UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
{
UINT count;
LPWSTR *newbuf = NULL;
if (!package || !package->script)
return FALSE;
TRACE("Registering Action %s as having fun\n",debugstr_w(action));
count = package->script->UniqueActionsCount;
package->script->UniqueActionsCount++;
if (count != 0)
newbuf = msi_realloc( package->script->UniqueActions,
package->script->UniqueActionsCount* sizeof(LPWSTR));
else
newbuf = msi_alloc( sizeof(LPWSTR));
newbuf[count] = strdupW(action);
package->script->UniqueActions = newbuf;
return ERROR_SUCCESS;
}
BOOL check_unique_action(MSIPACKAGE *package, LPCWSTR action)
{
INT i;
if (!package || !package->script)
return FALSE;
for (i = 0; i < package->script->UniqueActionsCount; i++)
if (!strcmpW(package->script->UniqueActions[i],action))
return TRUE;
return FALSE;
}
WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
{
static const WCHAR query[] = {'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ','F','R','O','M',' ','`','E','r','r','o','r','`',' ','W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ','%','i',0};
MSIRECORD *rec;
MSIRECORD *row;
DWORD size = 0;
DWORD i;
va_list va;
LPCWSTR str;
LPWSTR data;
row = MSI_QueryGetRecord(package->db, query, error);
if (!row)
return 0;
rec = MSI_CreateRecord(count+2);
str = MSI_RecordGetString(row,1);
MSI_RecordSetStringW(rec,0,str);
msiobj_release( &row->hdr );
MSI_RecordSetInteger(rec,1,error);
va_start(va,count);
for (i = 0; i < count; i++)
{
str = va_arg(va,LPCWSTR);
MSI_RecordSetStringW(rec,(i+2),str);
}
va_end(va);
MSI_FormatRecordW(package,rec,NULL,&size);
if (size >= 0)
{
size++;
data = msi_alloc(size*sizeof(WCHAR));
if (size > 1)
MSI_FormatRecordW(package,rec,data,&size);
else
data[0] = 0;
msiobj_release( &rec->hdr );
return data;
}
msiobj_release( &rec->hdr );
data = NULL;
return data;
}
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