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Fixed a bug that caused a few bytes of garbage to be sent after a

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curl_easy_pause() during a chunky upload. Reported by Steve Roskowski.
This commit is contained in:
Dan Fandrich 2008-10-29 19:06:48 +00:00
parent 89d6f580dc
commit 4fef0d4f14
3 changed files with 12 additions and 3 deletions
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4
CHANGES
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@ -6,6 +6,10 @@
Changelog
Daniel Fandrich (29 Oct 2008)
- Fixed a bug that caused a few bytes of garbage to be sent after a
curl_easy_pause() during a chunky upload. Reported by Steve Roskowski.
Daniel Fandrich (28 Oct 2008)
- Changed the "resolve" test precheck program to verify that an IPv6 socket
can be created before resolving the IPv6 name. In the context of running

3
RELEASE-NOTES
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@ -40,6 +40,7 @@ This release includes the following bugfixes:
o CURLINFO_REDIRECT_URL memory leak and wrong-doing
o case insensitive string matching works in Turkish too
o Solaris builds get _REENTRANT defined properly and work again
o Garbage sent on chunky upload after curl_easy_pause()
This release includes the following known bugs:
@ -56,6 +57,6 @@ advice from friends like these:
Linus Nielsen Feltzing, Martin Drasar, Stefan Krause, Dmitry Kurochkin,
Mike Revi, Andres Garcia, Michael Goffioul, Markus Moeller, Rob Crittenden,
Jamie Lokier, Emanuele Bovisio, Maxim Ivanov, Ian Lynagh, Daniel Egger,
Igor Novoseltsev, John Wilkinson, Pascal Terjan
Igor Novoseltsev, John Wilkinson, Pascal Terjan, Steve Roskowski
Thanks! (and sorry if I forgot to mention someone)

8
lib/transfer.c
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@ -132,7 +132,7 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
if(data->req.upload_chunky) {
/* if chunked Transfer-Encoding */
buffersize -= (8 + 2 + 2); /* 32bit hex + CRLF + CRLF */
data->req.upload_fromhere += 10; /* 32bit hex + CRLF */
data->req.upload_fromhere += (8 + 2); /* 32bit hex + CRLF */
}
/* this function returns a size_t, so we typecast to int to prevent warnings
@ -149,6 +149,10 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
struct SingleRequest *k = &data->req;
/* CURL_READFUNC_PAUSE pauses read callbacks that feed socket writes */
k->keepon |= KEEP_WRITE_PAUSE; /* mark socket send as paused */
if(data->req.upload_chunky) {
/* Back out the preallocation done above */
data->req.upload_fromhere -= (8 + 2);
}
*nreadp = 0;
return CURLE_OK; /* nothing was read */
}
@ -168,7 +172,7 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
data->req.upload_fromhere -= hexlen;
nread += hexlen;
/* copy the prefix to the buffer */
/* copy the prefix to the buffer, leaving out the NUL */
memcpy(data->req.upload_fromhere, hexbuffer, hexlen);
/* always append CRLF to the data */