Heapavail - Texas Instruments TI-89 Developer's Manual

Appendix A: System Routines — Memory Management

HeapAvail

Declaration: DWORD HeapAvail (void)
Category(ies): Memory Management
Description: Return the total amount of free bytes in the heap (the sum of all of the
individual blocks of memory).
Inputs: None
Outputs: The total number of bytes available in the heap.
Assumptions: None
Side Effects: None
All versions of the TI-89 / TI-92 Plus.
Availability:
TI-89 / TI-92 Plus
Differences: None
See Also: HeapAlloc, HeapAllocThrow, HeapMax, HeapCompress
Example:
static void AP_app(pFrame self, PEvent e) {
switch (e->command) {
case CM_START:
if (HeapAvail() < 20000) {
myErrorMsg( "Not enough memory to start app" );
EV_quit();
}
break;
TI-89 / TI-92 Plus Developer Guide Not for Distribution
849
Beta Version January 26, 2001