On 03/09/2017 06:10 PM, Joseph Myers wrote: > On Thu, 9 Mar 2017, Leonard den Ottolander wrote: > >> So if we really want to support lets say users having directories of >> 128k files we can now safely set MAX_ARG_STRINGS to 131072 and assuming >> an average file name length of 32 set MAX_ARG_STRSLEN to 4194304. > > I think 128k files is too small. E.g. I have nearly 4 million archived > emails here, and I'm sure many people have many more than that, and it's > common to store emails one per file in a large directory (although I'm not > storing them like that), and I think normal command-line tools ought to be > able to take all the files in such a directory on the command line at > once. > > I think it's best not to limit the number of arguments beyond the limit > implied by argc being an int, and no individual object (e.g. the argv > array) taking up half or more of the address space, along possibly with a > limit on the proportion of the whole address space taken up by > (command-line arguments + environment variables + all the pointers to > those). Agreed. -- Cheers, Carlos. -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
