On Wed, 16 May 2007, Klaas-Jan Stol wrote: > hi, > I've been studying the code in the fotw: debug.c and below are my comments, > if they're of any interest. Feel free to neglect, I'm kinda picky. > > 1. > while (*command && (isalnum((int) *command) || *command == ',' || > *command == ']')) > > I'm not 100% sure, but: > I've always been taught that this should not be written like this. The issue > here is that you ASSUME that the compiler does expression short-cutting > during evaluating the && expression. Suppose a c compiler does not implement > this,
Short-circuiting like this is guaranteed in C, dating all the way back to K&R 1. If the compiler doesn't implement it, it's badly broken. -- Andy Dougherty [EMAIL PROTECTED]