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  • Users: jorgander
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  1. jorgander

    how to find length of va_list string?

    i've looked around for quite a while now, but can't find any reasonable solution for this. i'm trying to write a function that takes variable arguements (i.e. has char * fmt and '...' as two of its parameters), finds out how many bytes the resulting string formed by the arguement list will be...
  2. jorgander

    stack getting clobbered (value of esp)

    i wrote a recursive function to search a tree structure, and i'm having problems with the code. the value of esp is not getting preserved over the recursive calls, but the strange thing is that as far as i can tell, upon every function entrance and corresponding function exit, the value is the...
  3. jorgander

    comparing unsigned 32-bit values

    i'm sort of a newbie to assembly, but have been a C programmer for a long time, so i'm not clueless about this stuff... that being said, i am trying to compare a value agaist -1, (that is, 4294967295). for some reason, the sign bit is not getting set when i do this. i've tried js and jl, but...
  4. jorgander

    affecting the alpha channel with GDI functions???

    does anyone know how to get gdi functions (i.e. ellipse, textout, etc.) to draw to the alpha channel of a dc as well as the rgb channels? i'm already aware of the callback functionality with the LineDDA() function and that u can have your own function write to the alpha, but is it possible for...

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