RESUME_FROM: clarify what ftp uploads do

The numerical value passed to CURLOPT_RESUME_FROM for FTP uploads is
interpreted and used as position where to resume the _reading_ of the
local file and it will "blindly" append that data on the remote
file. This was certainly not clear in the docs previously.

Reported by: catalin
Bug: http://curl.haxx.se/bug/view.cgi?id=3048174
This commit is contained in:
Daniel Stenberg
2010-08-23 00:36:11 +02:00
parent ab6681c2c8
commit cfdc4aca45

View File

@@ -1539,6 +1539,10 @@ want the transfer to start from. Set this option to 0 to make the transfer
start from the beginning (effectively disabling resume). For FTP, set this start from the beginning (effectively disabling resume). For FTP, set this
option to -1 to make the transfer start from the end of the target file option to -1 to make the transfer start from the end of the target file
(useful to continue an interrupted upload). (useful to continue an interrupted upload).
When doing uploads with FTP, the resume position is where in the local/source
file libcurl should try to resume the upload from and it will then append the
source file to the remote target file.
.IP CURLOPT_RESUME_FROM_LARGE .IP CURLOPT_RESUME_FROM_LARGE
Pass a curl_off_t as parameter. It contains the offset in number of bytes that Pass a curl_off_t as parameter. It contains the offset in number of bytes that
you want the transfer to start from. (Added in 7.11.0) you want the transfer to start from. (Added in 7.11.0)