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I have some code which calls InString within a nested loop.
Psuedocode looks something like:

while not Done,

    fetch a line of text from textfile

    break if we failed to read a line of text     

    for each string in stringarray,

        if string is a substring of textline

           do something

        endif

    endfor

endwhile

InString is crashing after several iterations... any ideas?
(If I comment out the InString compare, everything is groovy - also, I have no registers that I don't mind clobbering aside from ebp/esp, so whats going on?)

EvilHomer2K, the code you have posted looks well. Post your code to let us see if we can help you.

Some comment to find where the problem is:

- Check what happend if Done==TRUE at the end of loop
- InString is a 1 based character index, so check what do you do to create the line of text (example: replacing CRLF with NULL may be cause an error).
- Check what happend with flags and values while comparing ocurre.

I am trying to imagine some common errors, and if I post every thing that can be causing the problem, I will be writing for ever, so please, post the code.