char *fileMgr_readLine(file_t *file)
{
// todo: optimize this..
DWORD currentSeek = SetFilePointer(file->hFile, 0, NULL, FILE_CURRENT);
DWORD fileSize = GetFileSize(file->hFile, NULL);
DWORD maxLen = fileSize - currentSeek;
if( maxLen == 0 )
return NULL; // eof reached
// begin parsing
char *cstr = (char*)memMgr_alloc(NULL, 512);
int size = 0;
int limit = 512;
while( maxLen )
{
maxLen--;
char n = fileMgr_readS8(file);
if( n == '\r' )
continue; // skip
if( n == '\n' )
break; // line end
cstr[size] = n;
size++;
if( size == limit )
__debugbreak();
}
cstr[size] = '\0';
return cstr;
}
stream_t *fileMgr_openWriteable(char *name)
{
HANDLE hFile = CreateFile(name, FILE_GENERIC_READ|FILE_GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if( hFile == INVALID_HANDLE_VALUE )
return NULL;
file_t *file = (file_t*)memMgr_alloc(NULL, sizeof(file_t));
file->hFile = hFile;
stream_t* stream = stream_create(&fileStreamSettings, file);
file->stream = stream;
return file->stream;
}
void hashTable_init(HashTable_stringSynced_t *hashTable, int itemLimit)
{
InitializeCriticalSection(&hashTable->cs);
hashTable->size = itemLimit;
hashTable->entrys = (_HashTable_string_entry_t*)memMgr_alloc(NULL, sizeof(_HashTable_string_entry_t)*itemLimit);
// reset all items
for(int i=0; i<itemLimit; i++)
{
hashTable->entrys[i].hashB = 0xFFFFFFFF;
hashTable->entrys[i].hashC = 0xFFFFFFFF;
hashTable->entrys[i].item = NULL;
}
}
stream_t *fileMgr_create(char *name)
{
HANDLE hFile = CreateFile(name, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ, 0, CREATE_ALWAYS, 0, 0);
if( hFile == INVALID_HANDLE_VALUE )
return NULL;
file_t *file = (file_t*)memMgr_alloc(NULL, sizeof(file_t));
file->hFile = hFile;
file->stream = NULL;
if( file->stream == NULL )
{
stream_t* stream = stream_create(&fileStreamSettings, file);
file->stream = stream;
}
return file->stream;
}
stream_t *fileMgr_openForAppend(char *name)
{
HANDLE hFile = CreateFile(name, FILE_GENERIC_READ|FILE_GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_ALWAYS, 0, 0);
if( hFile == INVALID_HANDLE_VALUE )
return NULL;
file_t *file = (file_t*)memMgr_alloc(NULL, sizeof(file_t));
file->hFile = hFile;
file->stream = NULL;
SetFilePointer(file->hFile, 0, 0, FILE_END);
if( file->stream == NULL )
{
stream_t* stream = stream_create(&fileStreamSettings, file);
file->stream = stream;
}
return file->stream;
}
