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Re: PATH_MAX used dangerously -- do we care?

X-seq: zsh-workers 1774
From: Zoltan Hidvegi <hzoli@xxxxxxxxxx>
To: schaefer@xxxxxxx
Subject: Re: PATH_MAX used dangerously -- do we care?
Date: Thu, 25 Jul 1996 22:58:21 +0200 (MET DST)
Cc: zsh-workers@xxxxxxxxxxxxxxx
In-reply-to: <960725135205.ZM14594@xxxxxxxxxxxxxxxxxxxxxxx> from Bart Schaefer at "Jul 25, 96 01:52:05 pm"
Organization: Dept. of Comp. Sci., Eotvos University, Budapest, Hungary
Phone: (36 1)2669833 ext: 2667, home phone: (36 1) 2752368

> Yes, decimal digits ARE what's being written into the buffers in the two
> cases where I made the change.  Compare lines 651-656, which I changed,
> to lines 708-711, which I did not change.  Why should DIGBUFSIZE be used
> on 708 but not on 651?

Look at that:

    case PM_INTEGER:
	convbase(s = buf, v->pm->gets.ifn(v->pm), v->pm->ct);
	break;

convbase can overflow a DIGBUFSIZE'ed buf.

Zoltan

References:
- Re: PATH_MAX used dangerously -- do we care?
  - From: Bart Schaefer

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