Path: utzoo!attcan!utgpu!utstat!jarvis.csri.toronto.edu!mailrus!uunet!crdgw1!crdos1!davidsen
From: davidsen@crdos1.crd.ge.COM (Wm E Davidsen Jr)
Newsgroups: comp.lang.c
Subject: Re: compare strings, strcmp
Keywords: strcmp,strings
Message-ID: <1633@crdos1.crd.ge.COM>
Date: 16 Nov 89 19:30:02 GMT
References: <4463@blake.acs.washington.edu> <11605@smoke.BRL.MIL> <308@charyb.COM> <5205@mentor.cc.purdue.edu>
Reply-To: davidsen@crdos1.UUCP (bill davidsen)
Organization: GE Corp R&D Center, Schenectady NY
Lines: 14

In article <5205@mentor.cc.purdue.edu> aic@mentor.cc.purdue.edu (George A. Basar) writes:

|   It is not unsafe, it is just that he was looking for a a way to not
| perform the strcmp if the first chars were unequal.  He stated it was
| unsafe(performance-wise) since the order of evaluation is suspect. So the
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| strcmp may be performed before the test for *(a)==*(b).

  Not in C, it's not. && is evaluated left to right.
-- 
bill davidsen	(davidsen@crdos1.crd.GE.COM -or- uunet!crdgw1!crdos1!davidsen)
"The world is filled with fools. They blindly follow their so-called
'reason' in the face of the church and common sense. Any fool can see
that the world is flat!" - anon