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msi: Allow rows in the _Columns table to be unordered.

This commit is contained in:
Mike McCormack 2006-10-20 01:53:51 +09:00 committed by Alexandre Julliard
parent f2c207fa03
commit 8ecd34b971
1 changed files with 50 additions and 24 deletions
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74
dlls/msi/table.c
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@ -34,6 +34,7 @@
#include "winnls.h"
#include "msipriv.h"
#include "query.h"
#include "assert.h"
#include "wine/debug.h"
#include "wine/unicode.h"
@ -81,7 +82,7 @@ static const WCHAR szStringPool[] = {
static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
MSICOLUMNINFO **pcols, UINT *pcount );
static UINT get_tablecolumns( MSIDATABASE *db,
static UINT get_tablecolumns( MSIDATABASE *db,
LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
@ -926,12 +927,14 @@ static LPWSTR msi_makestring( MSIDATABASE *db, UINT stringid)
return strdupW(msi_string_lookup_id( db->strings, stringid ));
}
static UINT get_tablecolumns( MSIDATABASE *db,
static UINT get_tablecolumns( MSIDATABASE *db,
LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
{
UINT r, i, n=0, table_id, count, maxcount = *sz;
MSITABLE *table = NULL;
TRACE("%s\n", debugstr_w(szTableName));
/* first check if there is a default table with that name */
r = get_defaulttablecolumns( szTableName, colinfo, sz );
if( ( r == ERROR_SUCCESS ) && *sz )
@ -954,6 +957,8 @@ static UINT get_tablecolumns( MSIDATABASE *db,
TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
/* if maxcount is non-zero, assume it's exactly right for this table */
memset( colinfo, 0, maxcount*sizeof(*colinfo) );
count = table->row_count;
for( i=0; i<count; i++ )
{
@ -962,32 +967,53 @@ static UINT get_tablecolumns( MSIDATABASE *db,
if( colinfo )
{
UINT id = table->data[ i ] [ 2 ];
colinfo[n].tablename = msi_makestring( db, table_id );
colinfo[n].number = table->data[ i ][ 1 ] - (1<<15);
colinfo[n].colname = msi_makestring( db, id );
colinfo[n].type = table->data[ i ] [ 3 ] ^ 0x8000;
colinfo[n].hash_table = NULL;
/* this assumes that columns are in order in the table */
if( n )
colinfo[n].offset = colinfo[n-1].offset
+ bytes_per_column( &colinfo[n-1] );
else
colinfo[n].offset = 0;
TRACE("table %s column %d is [%s] (%d) with type %08x "
"offset %d at row %d\n", debugstr_w(szTableName),
colinfo[n].number, debugstr_w(colinfo[n].colname),
id, colinfo[n].type, colinfo[n].offset, i);
if( n != (colinfo[n].number-1) )
UINT col = table->data[ i ][ 1 ] - (1<<15);
/* check the column number is in range */
if (col<1 || col>maxcount)
{
ERR("oops. data in the _Columns table isn't in the right "
"order for table %s\n", debugstr_w(szTableName));
msi_free_colinfo(colinfo, n+1 );
return ERROR_FUNCTION_FAILED;
ERR("column %d out of range\n", col);
continue;
}
/* check if this column was already set */
if (colinfo[ col - 1 ].number)
{
ERR("duplicate column %d\n", col);
continue;
}
colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
colinfo[ col - 1 ].number = col;
colinfo[ col - 1 ].colname = msi_makestring( db, id );
colinfo[ col - 1 ].type = table->data[ i ] [ 3 ] - (1<<15);
colinfo[ col - 1 ].offset = 0;
colinfo[ col - 1 ].hash_table = NULL;
}
n++;
if( colinfo && ( n >= maxcount ) )
break;
}
TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
if (maxcount && n != maxcount)
{
ERR("missing column in table %s\n", debugstr_w(szTableName));
msi_free_colinfo(colinfo, maxcount );
return ERROR_FUNCTION_FAILED;
}
/* calculate the offsets */
for( i=0; maxcount && (i<maxcount); i++ )
{
assert( (i+1) == colinfo[ i ].number );
if (i)
colinfo[i].offset = colinfo[ i - 1 ].offset
+ bytes_per_column( &colinfo[ i - 1 ] );
else
colinfo[i].offset = 0;
TRACE("column %d is [%s] with type %08x ofs %d\n",
colinfo[i].number, debugstr_w(colinfo[i].colname),
colinfo[i].type, colinfo[i].offset);
}
*sz = n;