/* sbrk */
#if defined(SYS_sbrk)
extern void * _sbrk(intptr_t increment); /* XXX in-kernel prototype */
# if defined(SYS_brk) /* SYS_sbrk && SYS_brk */
extern int _brk(void * addr); /* XXX in-kernel prototype */
void * sbrk(intptr_t increment) /* _brk is used to actually allocate memory */
{
void * cur;
if((cur = _sbrk(0)) == (void*)-1 || increment == 0)
return cur;
return _brk(cur + increment) != (void*)-1 ? cur : (void*)-1;
}
int brk(void *end_data_seg)
{
if (! end_data_seg)
return -1;
kernel_heap_top = _brk(end_data_seg);
return 0;
}
arg_t _sbrk(void)
{
uaddr_t oldbrk;
udata.u_argn += (oldbrk = udata.u_break);
if (_brk()) /* brk (udata.u_argn) */
return (-1);
return ((unsigned) oldbrk);
}
int
brk(void *end_data_segment)
{
if (__init_brk() == 0) {
__curbrk = (void *) _brk(end_data_segment);
if (__curbrk == end_data_segment)
return(0);
errno = ENOMEM;
}
return(-1);
}
int
__init_brk (void)
{
if (__curbrk == 0) {
__curbrk = (void *) _brk(0);
if (__curbrk == (void *) 0) {
errno = ENOMEM;
return -1;
}
}
return 0;
}
void * malloc (size_t size)
{
void * retval;
if (size <= 0)
return NULL;
/* Align on a 4B boundary */
size = ((size-1) & ~3) + 4;
if (! kernel_heap_top)
kernel_heap_top = _brk(0);
if (! malloc_heap_top)
malloc_heap_top = kernel_heap_top;
retval = malloc_heap_top;
malloc_heap_top += size;
_brk(malloc_heap_top);
return retval;
}
void * sbrk(intptr_t increment)
{
static void * cur = &end;
void * ptr;
if(increment == 0)
return cur;
if(_brk(cur + increment) == -1)
return (void*)-1;
ptr = cur;
cur += increment;
return ptr;
}
int brk(void *addr)
{
void *newbrk;
if (curbrk == addr)
return 0;
newbrk = _brk(addr);
curbrk = newbrk;
if (newbrk < addr) {
errno = ENOMEM;
return -1;
}
return 0;
}
void *
sbrk(intptr_t increment)
{
if (__init_brk () == 0)
{
char * tmp = (char*)__curbrk+increment;
__curbrk = _brk(tmp);
if (__curbrk == tmp)
return tmp-increment;
__set_errno(ENOMEM);
return ((void *) -1);
}
return ((void *) -1);
}
int
__init_brk (void)
{
if (___brk_addr == 0)
{
___brk_addr = _brk(0);
if (___brk_addr == 0)
{
__set_errno(ENOMEM);
return -1;
}
}
return 0;
}
int
__init_brk (void)
{
if (__curbrk == 0)
{
__curbrk = _brk(0);
if (__curbrk == 0)
{
__set_errno(ENOMEM);
return -1;
}
}
return 0;
}
void * _malloc(struct chunk * _chunk, size_t size){
void * ret = 0;
size_t newsize = sizeof(struct chunk*) + sizeof(size_t) + size;
struct chunk ** tmp = (struct chunk **)_brk(_chunk, newsize);
if (tmp != 0){
*tmp = _chunk;
size_t * _size = (size_t*)++tmp;
*_size = size;
ret = (void*)++_size;
_chunk->count++;
}
return ret;
}
XN_C_API XnStatus xnOSWaitEvent(const XN_EVENT_HANDLE EventHandle, XnUInt32 nMilliseconds)
{
XN_VALIDATE_INPUT_PTR(EventHandle);
if (!EventHandle->bOn)
{
// problem: this is a non-threaded environment, so the event will never be set!
_brk();
return XN_STATUS_ERROR;
}
if (!EventHandle->bManual)
{
// reset
EventHandle->bOn = FALSE;
}
// All is good...
return (XN_STATUS_OK);
}
void * _realloc(void * mem, size_t size){
void * ret = 0;
struct chunk * _chunk = (struct chunk *)((char*)mem - sizeof(size_t) - sizeof(struct chunk));
if (_chunk->flag != _flag){
abort();
}
size_t oldsize = *(size_t *)((char*)mem - sizeof(size_t));
if (oldsize >= size){
return mem;
}
size_t increment = size - oldsize;
if (increment < (_chunk->size - _chunk->slide)){
_brk(_chunk, increment);
ret = mem;
}
return ret;
}
int brk(void * addr)
{
return _brk(addr);
}
/* brk */
#if defined(SYS_brk)
extern int _brk(void * addr); /* XXX in-kernel prototype */
int brk(void * addr)
{
return _brk(addr) != -1 ? 0 : -1;
}
int FTP::ExpandList(PluginPanelItem *pi,int icn,FP_SizeItemList* il,BOOL FromPlugin,ExpandListCB cb,LPVOID Param)
{
PROC(("ExpandList","cn:%d, ilcn:%d/%d, %s, cb:%08X",icn,il ? il->Count() : 0,il ? il->MaxCount : 0,FromPlugin?"PLUGIN":"LOCAL",cb))
BOOL pSaved = Host.Home[0] && SelectFile.Length();
BOOL old_ext = hConnect ? hConnect->Host.ExtCmdView : FALSE;
FTPCurrentStates olds = CurrentState;
int rc;
{
FTPConnectionBreakable _brk(hConnect,FALSE);
CurrentState = fcsExpandList;
if(hConnect)
{
hConnect->Host.ExtCmdView = FALSE;
hConnect->CurrentState = fcsExpandList;
}
if(!pSaved)
SaveUsedDirNFile();
rc = ExpandListINT(pi,icn,il,FromPlugin,cb,Param);
if(hConnect)
{
hConnect->Host.ExtCmdView = old_ext;
hConnect->CurrentState = olds;
}
CurrentState = olds;
}
Log(("ExpandList rc=%d",rc));
#if defined(__FILELOG__)
if(rc)
{
Log(("Expand succ ends containing:"));
if(il)
LogPanelItems(il->Items(), il->Count());
else
Log(("Files list does not contains files"));
}
#endif
if(!pSaved)
{
if(!rc)
{
SaveLastError _err;
if(Host.Home[0])
{
char str[MAX_PATH];
GetCurPath(str, ARRAYSIZE(str));
if(StrCmpI(str, Host.Home) != 0)
SetDirectory(Host.Home,FP_LastOpMode);
}
}
else
{
SelectFile = "";
Host.Home[0] = 0;
}
}
return rc;
}