Input buffer filling may delay the data sending if data reads are slow.
To overcome this problem, file and callback data reads do not accumulate
in buffer anymore. All other data (memory data and mime framing) are
considered as fast and still concatenated in buffer.
As this may highly impact performance in terms of data overhead, an early
end of part data check is added to spare a read call.
When encoding a part's data, an encoder may require more bytes than made
available by a single read. In this case, the above rule does not apply
and reads are performed until the encoder is able to deliver some data.
Tests 643, 644, 645, 650 and 654 have been adapted to the output data
changes, with test data size reduced to avoid the boredom of long lists of
1-byte chunks in verification data.
New test 667 checks mimepost using single-byte read callback with encoder.
New test 668 checks the end of part data early detection.
Fixes#4826
Reported-by: MrdUkk on github
In case a read callback returns a status (pause, abort, eof,
error) instead of a byte count, drain the bytes read so far but
remember this status for further processing.
Takes care of not losing data when pausing, and properly resume a
paused mime structure when requested.
New tests 670-673 check unpausing cases, with easy or multi
interface and mime or form api.
Fixes#4813
Reported-by: MrdUkk on github
With c-ares the dns parameters lives in ares_channel. Store them in the
curl handle and set them again in easy_duphandle.
Regression introduced in #3228 (6765e6d), shipped in curl 7.63.0.
Fixes#4893Closes#5020
Signed-off-by: Ernst Sjöstrand <ernst.sjostrand@verisure.com>
- Don't check errno on wakeup socket if sread returned 0 since sread
doesn't set errno in that case.
This is a follow-up to cf7760a from several days ago which fixed
Curl_multi_wait to stop busy looping sread on the non-blocking wakeup
socket if it was closed (ie sread returns 0). Due to a logic error it
was still possible to busy loop in that case if errno == EINTR.
Closes https://github.com/curl/curl/pull/5047
FreeBSD 13.0 is apparently close to a year away from a stable release
and has proven to cause intermittent builds failures recently.
Assisted-by: Dan Fandrich
Assisted-by: Fedor Korotkov
Fixes#5028Closes#5029
- Show HTTPS-proxy in the features output for those backends that
support it: OpenSSL, GnuTLS and NSS.
Prior to this change HTTPS-proxy was missing from the cmake features
output even if curl was built with it. Only cmake output was affected.
Both the library and tool correctly reported the feature.
Bug: https://curl.haxx.se/mail/lib-2020-03/0008.html
Reported-by: David Lopes
Closes https://github.com/curl/curl/pull/5025
Follow up to cdcc9df1 and #5006. Even though I mentioned mbedTLS as
being one of the backends that metalink needs to be disabled for, I
seem to have included it in the list of allowed SSL/TLS backends in
comnfigure.ac :(
Closes#5013
- Tell the user to call curl_free() to free the pointer returned by
curl_getenv().
Prior to this change the user was directed to call free(), but that
would not work in cases where the library and application use separate C
runtimes and therefore have separate heap memory management.
Closes https://github.com/curl/curl/pull/5016
