progress: reset limit_size variables at transfer start

Otherwise the old value would linger from a previous use and would mess
up the network speed cap logic.

Reported-by: Ymir1

progress: reset limit_size variables at transfer start

Otherwise the old value would linger from a previous use and would mess
up the network speed cap logic.

Reported-by: Ymir1711 on github

Fixes #7042
Closes #7043

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RELEASE-NOTES: synced

cookies: use CURLcode for cookie_output reporting

Writing the cookie file has multiple error conditions, and was using an
int with magic numbers to report the different error (which in t

cookies: use CURLcode for cookie_output reporting

Writing the cookie file has multiple error conditions, and was using an
int with magic numbers to report the different error (which in turn were
disregarded anyways). This moves reporting to use a CURLcode value.

Lightly-touched-by: Daniel Stenberg

Closes #7037
Closes #6749

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cookies: make use of string duplication function

strstore() is defined as a strdup which ensures to free the target
pointer before duping the source char * into it. Make use of it in

cookies: make use of string duplication function

strstore() is defined as a strdup which ensures to free the target
pointer before duping the source char * into it. Make use of it in
two more cases where it can simplify the code.

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cookies: refactor comments

Comments in the cookie code were a bit all over the place in terms of
style and wording. This takes a stab at cleaning them up by keeping to
a single style

cookies: refactor comments

Comments in the cookie code were a bit all over the place in terms of
style and wording. This takes a stab at cleaning them up by keeping to
a single style and overall shape. Some comments are moved a little and
some removed alltogether due to being redundant. No functional changes
have been made,

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http2: skip immediate parsing of payload following protocol switch

This is considered not harmful as a following http2_recv shall be
called very soon.

This is considered helpful

http2: skip immediate parsing of payload following protocol switch

This is considered not harmful as a following http2_recv shall be
called very soon.

This is considered helpful in the specific situation where some
servers (e.g. nghttpx v1.43.0) may fulfill stream 1 immediately
following the return of HTTP status 101, other than waiting for
the client-side connection preface to arrive.

Fixes #7036
Closes #7040

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http2: use nghttp2_session_upgrade2 instead of nghttp2_session_upgrade

Following the upstream deprecation of nghttp2_session_upgrade.

Also provides further checks for requests with

http2: use nghttp2_session_upgrade2 instead of nghttp2_session_upgrade

Following the upstream deprecation of nghttp2_session_upgrade.

Also provides further checks for requests with the HEAD method.

Closes #7041

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progress/trspeed: use a local convenient pointer to beautify code

The function becomes easier to read and understand with less repetition.

trspeed: use long double for transfer speed calculation

progress: move transfer speed calc into function

This silences two scan-build-11 warnings: "The result of the '/'
expression is undefined"

Bug: https://curl.se/mail/lib-2021-05/

progress: move transfer speed calc into function

This silences two scan-build-11 warnings: "The result of the '/'
expression is undefined"

Bug: https://curl.se/mail/lib-2021-05/0022.html
Closes #7035

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openssl: remove unneeded cast for CertOpenSystemStore()

Closes #7025

travis: disable the libssh build

It can't run on focal and causes warnings on bionic. Since the focal
failure started rather suddenly a while ago, we can suspect it might be
temporar

travis: disable the libssh build

It can't run on focal and causes warnings on bionic. Since the focal
failure started rather suddenly a while ago, we can suspect it might be
temporary.

Added "bring back the build" to the TODO document.

Fixes #7011
Closes #7012

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http: use calculated offsets inst of integer literals for header parsing

Assumed to be a minor coding style improvement with no behavior change.

A modern compiler is expected to hav

http: use calculated offsets inst of integer literals for header parsing

Assumed to be a minor coding style improvement with no behavior change.

A modern compiler is expected to have the calculation optimized during
compilation. It may be deemed okay even if that's not the case, since
the added overhead is considered very low.

Closes #7032

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GIT-INFO: suggest using autoreconf instead of buildconf

Follow-up to 85868537d

Closes #7033

http: deal with partial CONNECT sends

Also added 'CURL_SMALLSENDS' to make Curl_write() send short packets,
which helped verifying this even more.

Add test 363 to verify.

http: deal with partial CONNECT sends

Also added 'CURL_SMALLSENDS' to make Curl_write() send short packets,
which helped verifying this even more.

Add test 363 to verify.

Reported-by: ustcqidi on github
Fixes #6950
Closes #7024

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HTTP3: make the ngtcp2 build use the quictls fork

... as ngtcp2 itself documents the build this way.

Closes #7031

http: limit the initial send amount to used upload buffer size

Previously this logic would cap the send to CURL_MAX_WRITE_SIZE bytes,
but for the situations where a larger upload buffer

http: limit the initial send amount to used upload buffer size

Previously this logic would cap the send to CURL_MAX_WRITE_SIZE bytes,
but for the situations where a larger upload buffer has been set, this
function can benefit from sending more bytes. With default size used,
this does the same as before.

Also changed the storage of the size to an 'unsigned int' as it is not
allowed to be set larger than 2M.

Also added cautions to the man pages about changing buffer sizes in
run-time.

Closes #7022

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RELEASE-NOTES: synced

ngtcp2: fix the cb_acked_stream_data_offset proto

The 'datalen' value should be 64 bit, not size_t!

Reported-by: Dmitry Karpov
Bug: https://curl.se/mail/lib-2021-05/0019.html

ngtcp2: fix the cb_acked_stream_data_offset proto

The 'datalen' value should be 64 bit, not size_t!

Reported-by: Dmitry Karpov
Bug: https://curl.se/mail/lib-2021-05/0019.html
Closes #7027

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progress: when possible, calculate transfer speeds with microseconds

... this improves precision, especially for transfers in the few or even
sub millisecond range.

Reported-by:

progress: when possible, calculate transfer speeds with microseconds

... this improves precision, especially for transfers in the few or even
sub millisecond range.

Reported-by: J. Bromley
Fixes #7017
Closes #7020

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http: reset the header buffer when sending the request

A reused transfer handle could otherwise reuse the previous leftover
buffer and havoc would ensue.

Reported-by: sergio-nsk

http: reset the header buffer when sending the request

A reused transfer handle could otherwise reuse the previous leftover
buffer and havoc would ensue.

Reported-by: sergio-nsk on github
Fixes #7018
Closes #7021

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curl_mprintf.3: add description

These functions have existed in the API since the dawn of time. It is
about time we describe how they work, even if we discourage users from
using the

curl_mprintf.3: add description

These functions have existed in the API since the dawn of time. It is
about time we describe how they work, even if we discourage users from
using them.

Closes #7010

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URL-SYNTAX: update IDNA section for WHATWG spec changes

WHATWG URL has dictated the use of Nontransitional Processing (IDNA
2008) for several years now. Chrome (and derivatives) still us

URL-SYNTAX: update IDNA section for WHATWG spec changes

WHATWG URL has dictated the use of Nontransitional Processing (IDNA
2008) for several years now. Chrome (and derivatives) still use
Transitional Processing, but Firefox and Safari have both switched.

Also document the fact that winidn functions differently from libidn2
here.

Closes #7026

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INSTALL: add IBM i specific quirks

Fixes #6830
Closes #7013

libcurl.3: mention the URL API

To make it easier to find. Also a minor polish of libcurl-url.3

Closes #7009