Re: Administrivia: List Announcement

From: Luciano Miguel Ferreira Rocha (strange_at_nsk.no-ip.org)
Date: 05/14/03

  • Next message: Michael Wojcik: "FW: partial analysis of vulndev-1.c" 
    Date: Wed, 14 May 2003 15:45:29 +0100
To: vuln-dev@securityfocus.com

    On Tue, May 13, 2003 at 10:45:21AM -0700, Brian Hatch wrote:
    > And for goodness sake, let's cast things properly if you're going
    > to malloc, and for good form include the size of the element, even
    > when it's a char:
    >
    > char *buf1 = (char*)malloc( SIZE * sizeof(char) );
    No, bad idea.

    If malloc isn't defined, the compiler will cast an int to a pointer, which
    may not be the same size.

    If malloc is (well) defined, it returns a type of (void *), well casted to
    any pointer by the compiler.

    Regards,
    Luciano Rocha

  • Next message: Michael Wojcik: "FW: partial analysis of vulndev-1.c"

    Relevant Pages

    • Re: problem with memcpy and pointers/arrays confusion - again
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      (comp.lang.c)
    • Re: Why the compiler applies sign extension to unsigned data?
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      ... If compiling C code, ... however (and still using malloc versus new) will require you to do the ... the C language did not enjoy the void pointer. ... Because of this a cast was required: ...
      (alt.comp.lang.learn.c-cpp)
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