Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!usc!brutus.cs.uiuc.edu!rpi!ptolemy0.rdrc.rpi.edu!kyriazis
From: kyriazis@ptolemy0.rdrc.rpi.edu (George Kyriazis)
Newsgroups: comp.lang.c
Subject: Re: strncpy
Message-ID: <Y*L9&#@rpi.edu>
Date: 7 Jan 90 20:11:45 GMT
References: <e-mail_to_poser> <11527@csli.Stanford.EDU> <000003Q@cdis-1.UUCP> <11616@csli.Stanford.EDU> <KURO.90Jan6014431@vodka.Sun.Com> <1990Jan7.145719.15574@twwells.com>
Reply-To: kyriazis@ptolemy0.rdrc.rpi.edu.UUCP (George Kyriazis)
Organization: Rensselaer Polytechnic Institute, Troy NY
Lines: 21

In article <1990Jan7.145719.15574@twwells.com> bill@twwells.com (T. William Wells) writes:
>In article <KURO.90Jan6014431@vodka.Sun.Com> kuro@Corp.Sun.Com writes:
>: I have no opinion about philosophical correctness of the current behavior of
>: strncpy() but always do:
>:       strncpy(to, from, n);
>:       to[n]=0;
>
>Maybe you meant "to[n - 1]=0;"?
>
>If the size of to is n, to[n] = 0 is illegal.
>

I think he means to[n] = 0.  strncpy() moves at most n bytes (0 to n-1), 
therefore byte n is not copied.  If you want to keep a string of length
n you better have a char array of n+1 characters..


  George Kyriazis
  kyriazis@turing.cs.rpi.edu
  kyriazis@rdrc.rpi.edu
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