INSTALL: add missing space for configure commands

Closes #4539

url: Curl_free_request_state() should also free doh handles

... or risk DoH memory leaks.

Reported-by: Paul Dreik
Fixes #4463
Closes #4527

examples: remove the "this exact code has not been verified"

... as really confuses the reader to not know what to believe!

HTTP3: fix typo somehere1 > somewhere1

Closes #4535

HTTP3: fix invalid use of sendto for connected UDP socket

On macOS/BSD, trying to call sendto on a connected UDP socket fails
with a EISCONN error. Because the singleipconnect has alread

HTTP3: fix invalid use of sendto for connected UDP socket

On macOS/BSD, trying to call sendto on a connected UDP socket fails
with a EISCONN error. Because the singleipconnect has already called
connect on the socket when we're trying to use it for QUIC transfers
we need to use plain send instead.

Fixes #4529
Closes https://github.com/curl/curl/pull/4533

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RELEASE-NOTES: synced

HTTP3: fix Windows build

The ngtcp2 QUIC backend was using the MSG_DONTWAIT flag for send/recv
in order to perform nonblocking operations. On Windows this flag does
not exist. Instea

HTTP3: fix Windows build

The ngtcp2 QUIC backend was using the MSG_DONTWAIT flag for send/recv
in order to perform nonblocking operations. On Windows this flag does
not exist. Instead, the socket must be set to nonblocking mode via
ioctlsocket.

This change sets the nonblocking flag on UDP sockets used for QUIC on
all platforms so the use of MSG_DONTWAIT is not needed.

Fixes #4531
Closes #4532

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appveyor: add --disable-proxy autotools build

This would have caught issue #3926.

Also make formatting more consistent.

Closes https://github.com/curl/curl/pull/4526

appveyor: make winbuilds with DEBUG=no/yes and VS 2015/2017

... and invoke "curl -V" once done

Co-Authored-By: Jay Satiro

Closes #4523

schannel: reverse the order of certinfo insertions

Fixes #4518
Closes #4519

test1591: fix spelling of http feature

The test never got run because the feature name is `http` in lowercase.

Closes https://github.com/curl/curl/pull/4520

appveyor: Use two parallel compilation on appveyor with CMake

Appveyor provides 2 CPUs for each builder[1], make sure to use parallel
compilation, when running with CMake. CMake learned

appveyor: Use two parallel compilation on appveyor with CMake

Appveyor provides 2 CPUs for each builder[1], make sure to use parallel
compilation, when running with CMake. CMake learned this new option in
version 3.12[2] and the version provided by appveyor is fresh enough.

Curl doesn't really take that long to build and it is using the slowest
builder available, msbuild, so expect only a moderate improvement in
build times.

[1] https://www.appveyor.com/docs/build-environment/
[2] https://cmake.org/cmake/help/v3.12/release/3.12.html

Closes #4508

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conn-reuse: requests wanting NTLM can reuse non-NTLM connections

Added test case 338 to verify.

Reported-by: Daniel Silverstone
Fixes #4499
Closes #4514

tests: add missing proxy features

RELEASE-NOTES: synced

tests: use %FILE_PWD for file:// URLs

This way, we always have exactly one slash after the host name, making
the tests pass when curl is compiled with the MSYS GCC.

Closes https

tests: use %FILE_PWD for file:// URLs

This way, we always have exactly one slash after the host name, making
the tests pass when curl is compiled with the MSYS GCC.

Closes https://github.com/curl/curl/pull/4512

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tests: add `connect to non-listen` keywords

These tests try to connect to ports nothing is listening on.

Closes https://github.com/curl/curl/pull/4511

runtests: get textaware info from curl instead of perl

The MSYS system on Windows can run the test suite for curl built with
any toolset. When built with the MSYS GCC, curl uses Unix lin

runtests: get textaware info from curl instead of perl

The MSYS system on Windows can run the test suite for curl built with
any toolset. When built with the MSYS GCC, curl uses Unix line endings,
while it uses Windows line endings when built with the MinGW GCC, and
`^O` reports 'msys' in both cases. Use the curl executable itself to
determine the line endings instead, which reports 'x86_64-pc-msys' when
built with the MSYS GCC.

Closes https://github.com/curl/curl/pull/4506

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appveyor: Add MSVC ARM64 build

Closes #4507

http2_recv: a closed stream trumps pause state

... and thus should return 0, not EAGAIN.

Reported-by: Tom van der Woerdt
Fixes #4496
Closes #4505

http2: expire a timeout at end of stream

To make sure that transfer is being dealt with. Streams without
Content-Length need a final read to notice the end-of-stream state.

Repo

http2: expire a timeout at end of stream

To make sure that transfer is being dealt with. Streams without
Content-Length need a final read to notice the end-of-stream state.

Reported-by: Tom van der Woerdt
Fixes #4496

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travis: Add an ARM64 build

Test 323 is failing for some reason, so disable it there for now.

examples/sslbackend: fix -Wchar-subscripts warning

With the `isdigit` implementation that comes with MSYS2, the argument
is used as an array subscript, resulting in a -Wchar-subscripts

examples/sslbackend: fix -Wchar-subscripts warning

With the `isdigit` implementation that comes with MSYS2, the argument
is used as an array subscript, resulting in a -Wchar-subscripts
warning. `isdigit`'s behavior is undefined if the argument is negative
and not EOF [0]. As done in lib/curl_ctype.h, cast the `char` variable
to `unsigned char` to avoid that.

[0] https://en.cppreference.com/w/c/string/byte/isdigit

Closes https://github.com/curl/curl/pull/4503

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configure: remove all cyassl references

In particular, this removes the case where configure would find an old
cyall installation rather than a wolfssl one if present. The library is

configure: remove all cyassl references

In particular, this removes the case where configure would find an old
cyall installation rather than a wolfssl one if present. The library is
named wolfssl in modern days so there's no real need to keep support for
the former.

Reported-by: Jacob Barthelmeh
Closes #4502

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test1162: disable MSYS2's POSIX path conversion

This avoids MSYS2 converting the backslasb in the URL to a slash,
causing the test to fail.