Make the msistring_makehash return something other than just 1 or

0. Also handle the case where the string or stored string is null.
This commit is contained in:
Aric Stewart 2004-07-29 23:59:15 +00:00 committed by Alexandre Julliard
parent 06e9945f70
commit 8d81d671eb
1 changed files with 7 additions and 3 deletions

View File

@ -56,11 +56,14 @@ static int msistring_makehash( const WCHAR *str )
{ {
int hash = 0; int hash = 0;
if (str==NULL)
return hash;
while( *str ) while( *str )
{ {
hash ^= *str++; hash ^= *str++;
hash *= 53; hash *= 53;
hash = (hash<<5) || (hash>>27); hash = (hash<<5) | (hash>>27);
} }
return hash; return hash;
} }
@ -354,8 +357,9 @@ UINT msi_string2idW( string_table *st, LPCWSTR str, UINT *id )
hash = msistring_makehash( str ); hash = msistring_makehash( str );
for( i=0; i<st->maxcount; i++ ) for( i=0; i<st->maxcount; i++ )
{ {
if( ( st->strings[i].hash == hash ) && if ( (str == NULL && st->strings[i].str == NULL) ||
!strcmpW( st->strings[i].str, str ) ) ( ( st->strings[i].hash == hash ) &&
!strcmpW( st->strings[i].str, str ) ))
{ {
r = ERROR_SUCCESS; r = ERROR_SUCCESS;
*id = i; *id = i;