Messages in this thread | | | Date | Fri, 4 Dec 1998 02:41:14 +0100 (MET) | From | Andries.Brouwer@cwi ... | Subject | st_blocks - was: Re: crazy swapping |
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Linus reportedly wrote:
if (st.st_blocks * 512 < st.st_size) { fprintf(stderr, "File %s appears to have holes in it");
This is interesting. So far, the unit used in st_blocks has been undocumented. stat(2) only warns that it may well differ from what is given in st_blksize. So, one gets the impression that it might depend on the filesystem type.
Must I document the st_blocks field in a struct stat as returned by the stat system call on an ordinary file to be an approximation of the size measured in 512-byte blocks?
Andries
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