> > > c = out_pix + (voffset - *cp++)*out_rowstride; > > > *c++ = MAX_CHAR(*c, accum); ///<------------- warning on this line > > > > The first store to *c happens after the load on the RHS of the assignment. > > > > Thanks, > Perhaps I should have mentioned that before this is called (which is > in a tight for loop), I zero out the entire block of memory. Is what > you mentioned causing the error or were you just pointing out a > potential coding error? Argghh. I just noticed I didn't post the macro like I thought I had: #define MAX_CHAR(data, accum) ((255 - (data)) > (accum)) ? ((accum) + (data)) : 255 wes
