Category : C Source Code
Archive   : HEAPMAN.ZIP
Filename : DISPOSEH.C
DisposeHndl(aPtr)
long *aPtr;
/*
Deallocates address containing handle in mpt. Deallocation is
accomplished by clearing entries in the mpt and compacting the heap.
DisposeHndl returns an error if the handle is not in the mpt; otherwise,
it returns no err.
calling params:
ptr to mpt entry
return params:
err | noErr
Author: Byro
Creation: 02/04/91
Modified: 02/05/91
Revision:
*/
{
int i;
long *thisPtr = NIL;
unsigned long myTemp;
extern long gMPTsize,
*gTableSizeCountAdrs;
/* look for mpt adrs */
for (i = 1; i <= gMPTsize; i++)
{
myTemp = (unsigned long ) gTableSizeCountAdrs + (i * BYTE_OFFSET);
thisPtr = (long *) myTemp;
if (thisPtr == aPtr) /* clr mpt element if found */
{
*aPtr = ZERO;
aPtr++;
*aPtr = ZERO;
break;
}
}
if (i > gMPTsize)
return(DISPOSE_HNDL);
return(CompactHeap());
}
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