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retry-request: rewind if data was sent

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When libcurl sends a HTTP request on a re-used connection and detects it
being closed (ie no data at all was read from it), it is important to
rewind if any data in the request was sent using the read callback or
was read from file, as otherwise the retried request will be broken.

Reported by: Chris Smowton
Bug: http://curl.haxx.se/bug/view.cgi?id=3195205
This commit is contained in:
Daniel Stenberg 2011-03-20 23:24:45 +01:00
parent 0355e33b5f
commit 058fb33557
1 changed files with 3 additions and 0 deletions
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3
lib/transfer.c
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@ -2085,6 +2085,9 @@ CURLcode Curl_retry_request(struct connectdata *conn,
prevent i.e HTTP transfers to return prevent i.e HTTP transfers to return
error just because nothing has been error just because nothing has been
transfered! */ transfered! */
if(data->state.proto.http->writebytecount)
Curl_readrewind(conn);
} }
return CURLE_OK; return CURLE_OK;
} }