Usenet 1994 January/usenetsourcesnewsgroupsinfomagicjanuary1994.iso/sources/std_unix/v21/022/text0000.txt

Text File | 1990-12-05 | 1.0 KB | 29 lines

Submitted-From: mindcrf![e-mail]
From:  [e-mail]

In article <[e-mail]> [e-mail] (Guy Harris) writes:
|Unfortunately, the application is non-functional (at least not
|*correctly* functional) if it *doesn't* initialize the vendor-defined
|fields of a structure that's handed to the system ...

|... a
|portable application can, at best, only avoid setting the microseconds
|values of a file's accessed or modified times to some random value by
|"memset"ting the entire "utimbuf" structure to zero before filling it in
|and using it (or otherwise ensuring that the structure is zero before
|using it, e.g. using a static structure).

Keeping in mind, of course, that memset() may not be present on a POSIX
system that provides common-usage C language-dependent support.

Another ugly way to initialize the storage would be to make liberal use
of calloc() and free().
--

    Chuck Karish        [e-mail]
    Mindcraft, Inc.        [phone]


Volume-Number: Volume 21, Number 22