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msi: Factor out code to calculate column offsets.

This commit is contained in:
Mike McCormack 2007-02-06 18:08:20 +09:00 committed by Alexandre Julliard
parent 824b89987a
commit a16e5151da
1 changed files with 21 additions and 14 deletions
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35
dlls/msi/table.c
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@ -873,6 +873,24 @@ static const MSICOLUMNINFO _Tables_cols[1] = {
{ szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 0 },
};
static void table_calc_column_offsets( MSICOLUMNINFO *colinfo, DWORD count )
{
DWORD i;
for( i=0; colinfo && (i<count); 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);
}
}
static UINT get_defaulttablecolumns( LPCWSTR name, MSICOLUMNINFO *colinfo, UINT *sz)
{
const MSICOLUMNINFO *p;
@ -905,6 +923,7 @@ static UINT get_defaulttablecolumns( LPCWSTR name, MSICOLUMNINFO *colinfo, UINT
if( colinfo && (i >= *sz) )
break;
}
table_calc_column_offsets( colinfo, n );
*sz = n;
return ERROR_SUCCESS;
}
@ -994,26 +1013,14 @@ static UINT get_tablecolumns( MSIDATABASE *db,
TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
if (maxcount && n != maxcount)
if (colinfo && 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);
}
table_calc_column_offsets( colinfo, n );
*sz = n;
return ERROR_SUCCESS;