Messages in this thread | | | Date | Tue, 13 Nov 2001 10:56:54 +0100 | From | Peter Wächtler <> | Subject | Re: File System Performance |
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Mike Castle wrote: > > On Mon, Nov 12, 2001 at 02:36:08PM -0800, Andrew Morton wrote: > > /* Detect if outputting to "/dev/null". */ > > { > > static char const dev_null[] = "/dev/null"; > > struct stat dev_null_stat; > > > > dev_null_output = > > (strcmp (archive_name_array[0], dev_null) == 0 > > || (! _isrmt (archive) > > && stat (dev_null, &dev_null_stat) == 0 > > && S_ISCHR (archive_stat.st_mode) > > && archive_stat.st_rdev == dev_null_stat.st_rdev)); > > } > > > > It's actually a bug. I may _want_ an ISREG /dev/null... > > Doesn't the S_ISCHR() handle that case? >
No. It is: if (A || B) If A is true, B is not even evaluated. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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