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* unable to upload new file to tftp server
@ 2018-09-10 10:08 Toews, Dietrich
  2018-09-10 12:45 ` Sascha Hauer
  0 siblings, 1 reply; 3+ messages in thread
From: Toews, Dietrich @ 2018-09-10 10:08 UTC (permalink / raw)
  To: barebox

Hi,

when I try to upload a new file from barebox to an tftp server I always get the error: "Function not implemented".

When the file is existing on the server, there is no problem.

Prerequisites:
- mounted directory to an tftp-server
- test: cp local.file /mnt/tftp-dir/remote.file

Progress:
- first step of cp is to get the "stat" of the file - the answer of the tftp-server is ENOENT.
- then cp tries to open the file, but it does only add O_TRUNC when the file exists
- tftp_do_open returns ENOSYS when O_TRUNC is not set

So you can't upload a non-existing file, but in most cases one needs exactly that.

Dietrich

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-09-10 13:31 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2018-09-10 10:08 unable to upload new file to tftp server Toews, Dietrich
2018-09-10 12:45 ` Sascha Hauer
2018-09-10 13:31   ` Toews, Dietrich

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