how to find memory leak

ctoa · 2003-02-03T01:20:38

I''m making a model loader and using dynamic memory allocation(malloc & realloc) to allocate memory during importing the model. Then there''s a function to destroy the model using free() function. I did a test to monitor memory leak when I repeatedly import and destroy a model. I used norton systemwork to monitor the PHYSICAL memory used. Everytime I import the model the memory used will increase but when I destroy the model, the memory used will decrease less than it increased(differs by around hundred kilobytes)... so I guess there''s a memory leak in my program... Is this the correct way to monitor memory leak? How to make a program that can calculate how much memory leak it has ?

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Started by ctoa February 02, 2003 08:58 AM

13 comments, last by ctoa 21 years, 2 months ago

NeXius

124

February 02, 2003 09:04 PM

I''m trying to get this memory manager to work, but I can''t compile anything without getting these errors:

c:\program files\microsoft visual studio\vc98\include\stdlib.h(281) : warning C4002: too many actual parameters for macro ''calloc''
c:\program files\microsoft visual studio\vc98\include\stdlib.h(281) : error C2059: syntax error : ''string''
c:\program files\microsoft visual studio\vc98\include\stdlib.h(283) : error C2062: type ''void'' unexpected
c:\program files\microsoft visual studio\vc98\include\stdlib.h(298) : error C2059: syntax error : ''string''
c:\program files\microsoft visual studio\vc98\include\stdlib.h(306) : error C2059: syntax error : ''string''

Any ideas?

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smart_idiot

1,298

February 02, 2003 09:44 PM

It probably replaces malloc, free and the other function using a define, so make sure to include it after you include stdlib.h.

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NeXius

124

February 03, 2003 12:27 AM

Ok it works now

I just didn''t realize that I had to include stdlib.h as well...

MSN: stupidbackup@hotmail.com (not actual e-mail)ICQ: 26469254(my site)

NeXius

124

February 03, 2003 12:43 AM

Thanks for the link slyterence... I finally figured out why my program is crashing

The manager is telling me that "A memory allocation unit was corrupt because of an overrun" and gives me a line number and everything

Problem is I don''t know what this means, and after looking over the code it seems to be fine...

MSN: stupidbackup@hotmail.com (not actual e-mail)ICQ: 26469254(my site)

RipTorn

722

February 03, 2003 01:20 AM

it likly means that you wrote into memory outside of the allocated memory block.

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how to find memory leak

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