Newsgroups: comp.lang.c++
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!csus.edu!borland.com!pete
From: pete@borland.com (Pete Becker)
Subject: Re: bug in istrstream example?
Message-ID: <1991May13.192455.8475@borland.com>
Organization: Borland International
References: <1991May11.015836.1556@neon.Stanford.EDU>
Date: Mon, 13 May 1991 19:24:55 GMT

In article <1991May11.015836.1556@neon.Stanford.EDU> philip@pescadero.stanford.edu (Philip Machanick) writes:
>In both Lippman (p. 414) and the cfront 2.0 Library Manual (p 3.12) examples
>roughly of the form
>  char s[] = "400"
>  istrstream iss (s,sizeof(s));
>appear. Presumably, sizeof is a bug (since this will always return the size of
>a pointer when applied to an array), and what is really required is strlen(s) -
>or should it be strlen(s)+1 to allow for the null char at the end?
>
>Has this been fixed in later editions / printings?
>
>Philip Machanick
>

    The code as written is correct.  This is one of the few situations where
the name of an array is not converted to a pointer, in both ANSI C and under
the ARM.  sizoef applied to an array gives the number of bytes in the array!
    -- Pete