07-21-2014
Quote:
Originally Posted by
achenle
I avoid the *scanf*() functions like the plague. If they are passed unvalidated input, results are "undefined".
False. They stop scanning at the first result they don't recognize, and return a convenient value to tell you if/where it stopped.
Quote:
If you're lucky your process will just SEGV and not cause any damage, if you're not you'll get corrupt data in some way.
Also untrue. They crash if you give them bad parameters and don't check the return value. So give them good parameters... And check the return value.
fscanf has a buffering problem, as I mentioned above, so sscanf is preferred.
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fixed(3alleg4) Allegro manual fixed(3alleg4)
NAME
fixed - Fixed point integer to replace floats. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
typedef long fixed
DESCRIPTION
This is a fixed point integer which can replace float with similar results and is faster than float on low end machines. Read chapter
"Fixed point math routines" for the full explanation.
SEE ALSO
, ex12bit(3alleg4), ex3buf(3alleg4), ex3d(3alleg4), excustom(3alleg4), exfixed(3alleg4), exrotscl(3alleg4), exspline(3alleg4),
exsprite(3alleg4), exstars(3alleg4), exupdate(3alleg4)
Allegro version 4.4.2 fixed(3alleg4)