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#include "cmdline.h"
static OSErr memError;
typedef struct HandleStructure {
char *addr;
OSHandle hand;
} HandleStructure;
#define HS(h) ((HandleStructure *) (h))
OSHandle *OS_PeekMacHandle(Handle h) {
return &HS(h)->hand;
}
static void FixHandlePtr(Handle h, void *ptr) {
HS(h)->addr = ptr;
}
Handle OS_CreateMacHandle(OSHandle *h) {
HandleStructure *hs = malloc(sizeof(HandleStructure));
if (!hs) {
memError = memFullErr;
return 0;
};
hs->hand = *h;
OS_InvalidateHandle(h);
hs->addr = OS_LockHandle(&hs->hand);
OS_UnlockHandle(&hs->hand);
return (Handle) hs;
}
Handle OS_CreateMacHandleDup(OSHandle *h) {
HandleStructure *hs = malloc(sizeof(HandleStructure));
if (!hs) {
memError = memFullErr;
return 0;
};
hs->hand = *h;
hs->addr = OS_LockHandle(&hs->hand);
OS_UnlockHandle(&hs->hand);
return (Handle) hs;
}
void OS_DestroyMacHandle(Handle h, OSHandle *ret) {
*ret = *OS_PeekMacHandle(h);
free(h);
}
OSErr MemError(void) {
return memError;
}
Handle NewHandle(SInt32 dataSize) {
int err;
OSHandle oh;
err = OS_NewHandle(dataSize, &oh);
if (err) {
memError = OS_MacError(err);
return 0;
}
return OS_CreateMacHandle(&oh);
}
Handle NewHandleClear(UInt32 dataSize) {
Handle hdl = NewHandle(dataSize);
if (hdl) {
HLock(hdl);
if (*hdl)
memset(*hdl, 0, dataSize);
HUnlock(hdl);
}
return hdl;
}
Handle TempNewHandle(UInt32 dataSize, OSErr *resultCode) {
Handle hdl;
*resultCode = 0;
hdl = NewHandle(dataSize);
if (!hdl)
*resultCode = memError;
return hdl;
}
void DisposeHandle(Handle h) {
if (h) {
memError = OS_MacError(OS_FreeHandle(&HS(h)->hand));
FixHandlePtr(h, 0);
} else {
memError = nilHandleErr;
}
}
void HLock(Handle h) {
void *buffer;
if (h) {
buffer = OS_LockHandle(&HS(h)->hand);
FixHandlePtr(h, buffer);
memError = 0;
} else {
memError = nilHandleErr;
}
}
void HLockHi(Handle h) {
HLock(h);
}
void HUnlock(Handle h) {
if (h) {
memError = 0;
OS_UnlockHandle(&HS(h)->hand);
} else {
memError = nilHandleErr;
}
}
void HPurge(Handle theHandle) {
memError = 0;
}
void HNoPurge(Handle theHandle) {
memError = 0;
}
SInt8 HGetState(Handle theHandle) {
memError = 0;
return 0;
}
void HSetState(Handle theHandle, SInt8 flags) {
memError = 0;
}
SInt32 GetHandleSize(Handle h) {
UInt32 sz;
if (h) {
memError = OS_MacError(OS_GetHandleSize(&HS(h)->hand, &sz));
} else {
sz = 0;
memError = nilHandleErr;
}
return sz;
}
void SetHandleSize(Handle h, SInt32 newSize) {
memError = OS_MacError(OS_ResizeHandle(&HS(h)->hand, newSize));
FixHandlePtr(h, OS_LockHandle(&HS(h)->hand));
OS_UnlockHandle(&HS(h)->hand);
}
OSErr PtrAndHand(const void *srcPtr, Handle destHandle, SInt32 size) {
OSErr err;
err = OS_MacError(OS_AppendHandle(&HS(destHandle)->hand, srcPtr, size));
FixHandlePtr(destHandle, OS_LockHandle(&HS(destHandle)->hand));
OS_UnlockHandle(&HS(destHandle)->hand);
return err;
}
OSErr PtrToHand(const void *srcPtr, Handle *destHandle, SInt32 size) {
if (!(*destHandle = NewHandle(size)))
return MemError();
HLock(*destHandle);
memcpy(**destHandle, srcPtr, size);
HUnlock(*destHandle);
return MemError();
}
OSErr HandToHand(Handle *destHandle) {
Handle srcHandle = *destHandle;
SInt32 size;
size = GetHandleSize(srcHandle);
if (!(*destHandle = NewHandle(size)))
return MemError();
HLock(*destHandle);
HLock(srcHandle);
memcpy(**destHandle, *srcHandle, size);
HUnlock(srcHandle);
HUnlock(*destHandle);
return MemError();
}
OSErr HandAndHand(Handle src, Handle dst) {
OSErr err;
SInt32 size;
HLock(src);
size = GetHandleSize(src);
err = PtrAndHand(*src, dst, size);
HUnlock(src);
return err;
}
void MoveHHi(Handle theHandle) {
memError = theHandle ? noErr : nilHandleErr;
}
void BlockMove(const void *srcPtr, void *destPtr, UInt32 byteCount) {
memmove(destPtr, srcPtr, byteCount);
}
void BlockMoveData(const void *srcPtr, void *destPtr, UInt32 byteCount) {
memmove(destPtr, srcPtr, byteCount);
}
Ptr NewPtr(SInt32 dataSize) {
Ptr p;
if (!dataSize)
dataSize = 1;
p = malloc(dataSize);
memError = p ? noErr : memFullErr;
return p;
}
void DisposePtr(Ptr p) {
memError = 0;
if (p)
free(p);
}
Ptr NewPtrClear(SInt32 dataSize) {
Ptr p;
memError = memFullErr;
if (!dataSize)
dataSize = 1;
p = malloc(dataSize);
if (p) {
memError = 0;
memset(p, 0, dataSize);
}
return p;
}
void DebugStr(ConstStringPtr str) {
fprintf(stderr, "%*.*s", str[0], str[0], &str[1]);
}
struct Zone *HandleZone(void) {
return NULL;
}
struct Zone *ApplicationZone(void) {
return NULL;
}
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