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wbemprox: Add a function to resize a table.

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Hans Leidekker 2013-06-04 13:28:21 +02:00 committed by Alexandre Julliard
parent f4da96bb29
commit 0f8cbab1a9
4 changed files with 74 additions and 78 deletions
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127
dlls/wbemprox/builtin.c
View file

@ -714,16 +714,35 @@ static BOOL match_row( const struct table *table, UINT row, const struct expr *c
return val != 0;
}
static BOOL resize_table( struct table *table, UINT row_count, UINT row_size )
{
if (!table->num_rows_allocated)
{
if (!(table->data = heap_alloc( row_count * row_size ))) return FALSE;
table->num_rows_allocated = row_count;
return TRUE;
}
if (row_count >= table->num_rows_allocated)
{
BYTE *data;
UINT count = table->num_rows_allocated * 2;
if (!(data = heap_realloc( table->data, count * row_size ))) return FALSE;
table->data = data;
table->num_rows_allocated = count;
}
return TRUE;
}
static enum fill_status fill_cdromdrive( struct table *table, const struct expr *cond )
{
static const WCHAR fmtW[] = {'%','c',':',0};
WCHAR drive[3], root[] = {'A',':','\\',0};
struct record_cdromdrive *rec;
UINT i, row = 0, offset = 0, count = 1;
UINT i, row = 0, offset = 0;
DWORD drives = GetLogicalDrives();
enum fill_status status = FILL_STATUS_UNFILTERED;
if (!(table->data = heap_alloc( count * sizeof(*rec) ))) return FILL_STATUS_FAILED;
if (!resize_table( table, 1, sizeof(*rec) )) return FILL_STATUS_FAILED;
for (i = 0; i < sizeof(drives); i++)
{
@ -733,13 +752,8 @@ static enum fill_status fill_cdromdrive( struct table *table, const struct expr
if (GetDriveTypeW( root ) != DRIVE_CDROM)
continue;
if (row > count)
{
BYTE *data;
count *= 2;
if (!(data = heap_realloc( table->data, count * sizeof(*rec) ))) return FILL_STATUS_FAILED;
table->data = data;
}
if (!resize_table( table, row + 1, sizeof(*rec) )) return FILL_STATUS_FAILED;
rec = (struct record_cdromdrive *)(table->data + offset);
rec->device_id = cdromdrive_pnpdeviceidW;
sprintfW( drive, fmtW, 'A' + i );
@ -1082,7 +1096,7 @@ static enum fill_status fill_directory( struct table *table, const struct expr *
{
static const WCHAR dotW[] = {'.',0}, dotdotW[] = {'.','.',0};
struct record_directory *rec;
UINT i, len, row = 0, offset = 0, count = 4, num_expected_rows;
UINT i, len, row = 0, offset = 0, num_expected_rows;
WCHAR *glob = NULL, *path = NULL, *new_path, root[] = {'A',':','\\',0};
DWORD drives = GetLogicalDrives();
WIN32_FIND_DATAW data;
@ -1090,7 +1104,7 @@ static enum fill_status fill_directory( struct table *table, const struct expr *
struct dirstack *dirstack = alloc_dirstack(2);
enum fill_status status = FILL_STATUS_UNFILTERED;
if (!(table->data = heap_alloc( count * sizeof(*rec) ))) return FILL_STATUS_FAILED;
if (!resize_table( table, 4, sizeof(*rec) )) return FILL_STATUS_FAILED;
for (i = 0; i < sizeof(drives); i++)
{
@ -1114,16 +1128,10 @@ static enum fill_status fill_directory( struct table *table, const struct expr *
{
do
{
if (row > count)
if (!resize_table( table, row + 1, sizeof(*rec) ))
{
BYTE *data;
count *= 2;
if (!(data = heap_realloc( table->data, count * sizeof(*rec) )))
{
status = FILL_STATUS_FAILED;
goto done;
}
table->data = data;
status = FILL_STATUS_FAILED;
goto done;
}
if (!(data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
!strcmpW( data.cFileName, dotW ) || !strcmpW( data.cFileName, dotdotW ))
@ -1210,12 +1218,12 @@ static enum fill_status fill_diskpartition( struct table *table, const struct ex
{'D','i','s','k',' ','#','%','u',',',' ','P','a','r','t','i','t','i','o','n',' ','#','0',0};
WCHAR device_id[32], root[] = {'A',':','\\',0};
struct record_diskpartition *rec;
UINT i, row = 0, offset = 0, count = 4, type, index = 0;
UINT i, row = 0, offset = 0, type, index = 0;
UINT64 size = 1024 * 1024 * 1024;
DWORD drives = GetLogicalDrives();
enum fill_status status = FILL_STATUS_UNFILTERED;
if (!(table->data = heap_alloc( count * sizeof(*rec) ))) return FILL_STATUS_FAILED;
if (!resize_table( table, 4, sizeof(*rec) )) return FILL_STATUS_FAILED;
for (i = 0; i < sizeof(drives); i++)
{
@ -1226,13 +1234,8 @@ static enum fill_status fill_diskpartition( struct table *table, const struct ex
if (type != DRIVE_FIXED && type != DRIVE_REMOVABLE)
continue;
if (row > count)
{
BYTE *data;
count *= 2;
if (!(data = heap_realloc( table->data, count * sizeof(*rec) ))) return FILL_STATUS_FAILED;
table->data = data;
}
if (!resize_table( table, row + 1, sizeof(*rec) )) return FILL_STATUS_FAILED;
rec = (struct record_diskpartition *)(table->data + offset);
rec->bootable = (i == 2) ? -1 : 0;
rec->bootpartition = (i == 2) ? -1 : 0;
@ -1265,12 +1268,12 @@ static enum fill_status fill_logicaldisk( struct table *table, const struct expr
static const WCHAR fmtW[] = {'%','c',':',0};
WCHAR device_id[3], root[] = {'A',':','\\',0};
struct record_logicaldisk *rec;
UINT i, row = 0, offset = 0, count = 4, type;
UINT i, row = 0, offset = 0, type;
UINT64 size = 1024 * 1024 * 1024;
DWORD drives = GetLogicalDrives();
enum fill_status status = FILL_STATUS_UNFILTERED;
if (!(table->data = heap_alloc( count * sizeof(*rec) ))) return FILL_STATUS_FAILED;
if (!resize_table( table, 4, sizeof(*rec) )) return FILL_STATUS_FAILED;
for (i = 0; i < sizeof(drives); i++)
{
@ -1281,13 +1284,8 @@ static enum fill_status fill_logicaldisk( struct table *table, const struct expr
if (type != DRIVE_FIXED && type != DRIVE_CDROM && type != DRIVE_REMOVABLE)
continue;
if (row > count)
{
BYTE *data;
count *= 2;
if (!(data = heap_realloc( table->data, count * sizeof(*rec) ))) return FILL_STATUS_FAILED;
table->data = data;
}
if (!resize_table( table, row + 1, sizeof(*rec) )) return FILL_STATUS_FAILED;
rec = (struct record_logicaldisk *)(table->data + offset);
sprintfW( device_id, fmtW, 'A' + i );
rec->device_id = heap_strdupW( device_id );
@ -1419,24 +1417,19 @@ static enum fill_status fill_process( struct table *table, const struct expr *co
PROCESSENTRY32W entry;
HANDLE snap;
enum fill_status status = FILL_STATUS_FAILED;
UINT row = 0, offset = 0, count = 8;
UINT row = 0, offset = 0;
snap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
if (snap == INVALID_HANDLE_VALUE) return FILL_STATUS_FAILED;
entry.dwSize = sizeof(entry);
if (!Process32FirstW( snap, &entry )) goto done;
if (!(table->data = heap_alloc( count * sizeof(*rec) ))) goto done;
if (!resize_table( table, 8, sizeof(*rec) )) goto done;
do
{
if (row > count)
{
BYTE *data;
count *= 2;
if (!(data = heap_realloc( table->data, count * sizeof(*rec) ))) goto done;
table->data = data;
}
if (!resize_table( table, row + 1, sizeof(*rec) )) goto done;
rec = (struct record_process *)(table->data + offset);
rec->caption = heap_strdupW( entry.szExeFile );
rec->commandline = get_cmdline( entry.th32ProcessID );
@ -1752,7 +1745,7 @@ static enum fill_status fill_service( struct table *table, const struct expr *co
&count, NULL, NULL );
if (!ret) goto done;
}
if (!(table->data = heap_alloc( sizeof(*rec) * count ))) goto done;
if (!resize_table( table, count, sizeof(*rec) )) goto done;
GetComputerNameW( sysnameW, &len );
fill_status = FILL_STATUS_UNFILTERED;
@ -1873,25 +1866,25 @@ done:
static struct table builtin_classes[] =
{
{ class_baseboardW, SIZEOF(col_baseboard), col_baseboard, SIZEOF(data_baseboard), (BYTE *)data_baseboard },
{ class_biosW, SIZEOF(col_bios), col_bios, SIZEOF(data_bios), (BYTE *)data_bios },
{ class_cdromdriveW, SIZEOF(col_cdromdrive), col_cdromdrive, 0, NULL, fill_cdromdrive },
{ class_compsysW, SIZEOF(col_compsys), col_compsys, 0, NULL, fill_compsys },
{ class_directoryW, SIZEOF(col_directory), col_directory, 0, NULL, fill_directory },
{ class_diskdriveW, SIZEOF(col_diskdrive), col_diskdrive, SIZEOF(data_diskdrive), (BYTE *)data_diskdrive },
{ class_diskpartitionW, SIZEOF(col_diskpartition), col_diskpartition, 0, NULL, fill_diskpartition },
{ class_logicaldiskW, SIZEOF(col_logicaldisk), col_logicaldisk, 0, NULL, fill_logicaldisk },
{ class_logicaldisk2W, SIZEOF(col_logicaldisk), col_logicaldisk, 0, NULL, fill_logicaldisk },
{ class_networkadapterW, SIZEOF(col_networkadapter), col_networkadapter, 0, NULL, fill_networkadapter },
{ class_osW, SIZEOF(col_os), col_os, 0, NULL, fill_os },
{ class_paramsW, SIZEOF(col_param), col_param, SIZEOF(data_param), (BYTE *)data_param },
{ class_processW, SIZEOF(col_process), col_process, 0, NULL, fill_process },
{ class_processorW, SIZEOF(col_processor), col_processor, 0, NULL, fill_processor },
{ class_qualifiersW, SIZEOF(col_qualifier), col_qualifier, SIZEOF(data_qualifier), (BYTE *)data_qualifier },
{ class_serviceW, SIZEOF(col_service), col_service, 0, NULL, fill_service },
{ class_sounddeviceW, SIZEOF(col_sounddevice), col_sounddevice, SIZEOF(data_sounddevice), (BYTE *)data_sounddevice },
{ class_stdregprovW, SIZEOF(col_stdregprov), col_stdregprov, SIZEOF(data_stdregprov), (BYTE *)data_stdregprov },
{ class_videocontrollerW, SIZEOF(col_videocontroller), col_videocontroller, 0, NULL, fill_videocontroller }
{ class_baseboardW, SIZEOF(col_baseboard), col_baseboard, SIZEOF(data_baseboard), 0, (BYTE *)data_baseboard },
{ class_biosW, SIZEOF(col_bios), col_bios, SIZEOF(data_bios), 0, (BYTE *)data_bios },
{ class_cdromdriveW, SIZEOF(col_cdromdrive), col_cdromdrive, 0, 0, NULL, fill_cdromdrive },
{ class_compsysW, SIZEOF(col_compsys), col_compsys, 0, 0, NULL, fill_compsys },
{ class_directoryW, SIZEOF(col_directory), col_directory, 0, 0, NULL, fill_directory },
{ class_diskdriveW, SIZEOF(col_diskdrive), col_diskdrive, SIZEOF(data_diskdrive), 0, (BYTE *)data_diskdrive },
{ class_diskpartitionW, SIZEOF(col_diskpartition), col_diskpartition, 0, 0, NULL, fill_diskpartition },
{ class_logicaldiskW, SIZEOF(col_logicaldisk), col_logicaldisk, 0, 0, NULL, fill_logicaldisk },
{ class_logicaldisk2W, SIZEOF(col_logicaldisk), col_logicaldisk, 0, 0, NULL, fill_logicaldisk },
{ class_networkadapterW, SIZEOF(col_networkadapter), col_networkadapter, 0, 0, NULL, fill_networkadapter },
{ class_osW, SIZEOF(col_os), col_os, 0, 0, NULL, fill_os },
{ class_paramsW, SIZEOF(col_param), col_param, SIZEOF(data_param), 0, (BYTE *)data_param },
{ class_processW, SIZEOF(col_process), col_process, 0, 0, NULL, fill_process },
{ class_processorW, SIZEOF(col_processor), col_processor, 0, 0, NULL, fill_processor },
{ class_qualifiersW, SIZEOF(col_qualifier), col_qualifier, SIZEOF(data_qualifier), 0, (BYTE *)data_qualifier },
{ class_serviceW, SIZEOF(col_service), col_service, 0, 0, NULL, fill_service },
{ class_sounddeviceW, SIZEOF(col_sounddevice), col_sounddevice, SIZEOF(data_sounddevice), 0, (BYTE *)data_sounddevice },
{ class_stdregprovW, SIZEOF(col_stdregprov), col_stdregprov, SIZEOF(data_stdregprov), 0, (BYTE *)data_stdregprov },
{ class_videocontrollerW, SIZEOF(col_videocontroller), col_videocontroller, 0, 0, NULL, fill_videocontroller }
};
void init_table_list( void )

2
dlls/wbemprox/class.c
View file

@ -781,7 +781,7 @@ static HRESULT create_signature_table( IEnumWbemClassObject *iter, WCHAR *name )
hr = create_signature_columns_and_data( iter, &num_cols, &columns, &row );
if (hr != S_OK) return hr;
if (!(table = create_table( name, num_cols, columns, 1, row, NULL )))
if (!(table = create_table( name, num_cols, columns, 1, 1, row, NULL )))
{
free_columns( columns, num_cols );
heap_free( row );

20
dlls/wbemprox/table.c
View file

@ -290,6 +290,7 @@ void clear_table( struct table *table )
if (table->fill)
{
table->num_rows = 0;
table->num_rows_allocated = 0;
heap_free( table->data );
table->data = NULL;
}
@ -345,20 +346,21 @@ struct table *grab_table( const WCHAR *name )
}
struct table *create_table( const WCHAR *name, UINT num_cols, const struct column *columns,
UINT num_rows, BYTE *data,
UINT num_rows, UINT num_allocated, BYTE *data,
enum fill_status (*fill)(struct table *, const struct expr *cond) )
{
struct table *table;
if (!(table = heap_alloc( sizeof(*table) ))) return NULL;
table->name = heap_strdupW( name );
table->num_cols = num_cols;
table->columns = columns;
table->num_rows = num_rows;
table->data = data;
table->fill = fill;
table->flags = TABLE_FLAG_DYNAMIC;
table->refs = 0;
table->name = heap_strdupW( name );
table->num_cols = num_cols;
table->columns = columns;
table->num_rows = num_rows;
table->num_rows_allocated = num_allocated;
table->data = data;
table->fill = fill;
table->flags = TABLE_FLAG_DYNAMIC;
table->refs = 0;
list_init( &table->entry );
return table;
}

3
dlls/wbemprox/wbemprox_private.h
View file

@ -108,6 +108,7 @@ struct table
UINT num_cols;
const struct column *columns;
UINT num_rows;
UINT num_rows_allocated;
BYTE *data;
enum fill_status (*fill)(struct table *, const struct expr *cond);
UINT flags;
@ -177,7 +178,7 @@ void init_table_list( void ) DECLSPEC_HIDDEN;
struct table *grab_table( const WCHAR * ) DECLSPEC_HIDDEN;
struct table *addref_table( struct table * ) DECLSPEC_HIDDEN;
void release_table( struct table * ) DECLSPEC_HIDDEN;
struct table *create_table( const WCHAR *, UINT, const struct column *, UINT, BYTE *,
struct table *create_table( const WCHAR *, UINT, const struct column *, UINT, UINT, BYTE *,
enum fill_status (*)(struct table *, const struct expr *) ) DECLSPEC_HIDDEN;
BOOL add_table( struct table * ) DECLSPEC_HIDDEN;
void free_columns( struct column *, UINT ) DECLSPEC_HIDDEN;