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From: wheeler@heckle.mitre.org (Brien L. Wheeler)
Subject: Re: strdup
Message-ID: <1992Oct1.122748.12067@linus.mitre.org>
Sender: wheeler@heckle (Brien L. Wheeler)
Nntp-Posting-Host: heckle.mitre.org
Organization: The MITRE Corporation, Bedford, MA
References: <br.pct.52.717898310@RLG.Stanford.EDU> <lckirmINNosg@spim.mti.sgi.com>
Date: Thu, 1 Oct 1992 12:27:48 GMT
Lines: 24
In article <lckirmINNosg@spim.mti.sgi.com>, koblas@mips.com (David Koblas) writes:
> Here's a copy (typed in off the cuff, so I won't say it is guaranteed to work):
>
> char *strdup(char *str)
> {
> char *cp = (char *)malloc(strlen(str));
> return cp ? strcpy(cp, str), cp : NULL;
> }
Try this instead -- it mallocs a byte for the NULL terminating character.
(There is no need for "strcpy(cp,str),cp" as strcpy always returns its
first argument.)
char *strdup(char *str)
{
char *cp = (char *)malloc(strlen(str)+1);
return cp ? strcpy(cp,str) : NULL;
}
-----
Brien L. Wheeler | I don't speak for MITRE, and they
blw@mitre.org | don't speak for me.
"When I think back on all the crap I learned in high school..."