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OrbWorks Community Forum • View topic - memory

memory

Discuss PocketC for Palm OS (including Desktop Edition)

Postby mleidel on Mon Apr 30, 2001 1:18 pm

Is there a way to status available memory?
What functions are most affected when memory starts to get low?

<img src=icon_smile_question.gif border=0 align=middle>
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Postby awschwab on Mon Apr 30, 2001 2:08 pm

From Joe Stadolnik's Pocket Toolbox library document:

<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> Int HeapSize(pointer freebytes)

This function "defragments" the dynamic heap memory and returns the number of bytes of the largest contiguous block in the heap. Also, the total number of free bytes remaining in the heap is returned through the freebytes parameter.

This function is particularly useful when dealing with many screen buffers and with large multi-dimensional arrays (see Array()).
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>

I don't know about other types of memory.

If you don't use the toolbox, you probably should. It's the first listed of the Palm resources for PocketC on the Orbworks site. Joe is also the moderator of this forum.
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Postby jstadolnik on Mon Apr 30, 2001 3:01 pm

Using large amounts of dynamic memory, saveg (especially on color devices), or having many scratch buffers (via the toolbox) all cut into the dynamic heap size. If it hits zero... game over dude.

Joe



Edited by - jstadolnik on 04/30/2001 10:04:05
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Postby mleidel on Mon Apr 30, 2001 4:05 pm

Thanks for the info. <img src=icon_smile_big.gif border=0 align=middle>
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