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Re: Buffer size limitation in insdel.c


From: Richard Stallman
Subject: Re: Buffer size limitation in insdel.c
Date: Wed, 22 Sep 2010 20:58:59 -0400

      { EMACS_INT total_size = Z_BYTE - BEG_BYTE + GAP_SIZE + nbytes_added;
        if (total_size < 0
            /* Don't allow a buffer size that won't fit in a Lisp integer.  */
            || total_size != XINT (make_number (total_size))
            /* Don't allow a buffer size that won't fit in an int
               even if it will fit in a Lisp integer.
               That won't work because so many places still use `int'.  */
            || total_size != (EMACS_INT) (int) total_size)
          error ("Buffer exceeds maximum size");

    "bzr annotate" says this was committed a year ago by Stefan.

    Any objections to removing this limitation on 64-bit machines?

Is there a reason to believe it is not necessary any more?



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