tcpdump mailing list archives

Re: Multifile patch


From: "David Laight" <David.Laight () ACULAB COM>
Date: Tue, 4 Sep 2012 11:11:03 +0100

On Sep 3, 2012, at 7:13 PM, Michael Richardson wrote:

Wesley, is fopen("/dev/stdin") really the most portal

(Presumably "portable".)

way to get a reference to stein?

Definitely not - it will probably work on most modern UN*Xes (Linux,
*BSD/OS X, and Solaris; I don't know about HP-UX or AIX), but not on
Windows, so it won't work in WinDump.

 I'd have thought that doing:
   VFile=stdin;

was the best way?

Yes.

I seem to be missing half these mails ....

On windows you can't pass 'FILE *' into shared libraries,
they are likely to have their own copies of the stdio
libraries - with different FILE structures.
(eg if one part is compiled with debug enabled).

Probably the most portable way is using fdopen(0, ...)
that will work in windows - fileno(stdin) is still 0.

        David




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