Two new ways to read a file quickly

Posted Mar 10, 2020 16:27 UTC (Tue) by ThomasBellman (guest, #67902)
In reply to: Two new ways to read a file quickly by NYKevin
Parent article: Two new ways to read a file quickly

Even better, take a cue from snprintf() and return the number of bytes that would have been read if the buffer was infinitely large (i.e, return the file size). And in case the kernel can't quickly determine the size of the file, return either MAXINT or bufSize+1.