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From: andrewg@microlise.co.uk (Andrew Gierth)
Newsgroups: comp.unix.solaris,comp.unix.bsd.misc,comp.unix.internals
Subject: Re: printf, scanf and %p (was: Solaris 2.6)
Date: 12 Dec 1996 04:57:36 +0000
Organization: Microlise Engineering Ltd.
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In-reply-to: mkl@rob.cs.tu-bs.de's message of 11 Dec 96 13:28:44 GMT
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>>>>> "Mario" == Mario Klebsch <mkl@rob.cs.tu-bs.de> writes:
Mario> js@cs.tu-berlin.de (Joerg Schilling) writes:
>> You forget to say, that %p is guaranteed to produce an output format
>> that may be read in again with *scanf(). So it is really portable.
Mario> Is scanf("%p") on a system of type A supposed to read in the output of
Mario> printf("%p) on a system of type B? Someone mentioned, the output of
Mario> printf("%p") is implementation defined, which would lead to the
Mario> conclusion, that is is not true.
A system with which I have the misfortune to be acquainted (not Unix)
produces the following output for printf("'%p'",some_pointer):
'SPP:0000 :1aefQPADEV0010T00AYG1 964158 :fec0:0:158c'
That pretty conclusively proves that %p output is not portable across
systems.
--
Andrew Gierth (andrewg@microlise.co.uk)
"Ceterum censeo Microsoftam delendam esse" - Alain Knaff in nanam