winbuild: add ENABLE_WEBSOCKETS option

Closes #13232

winbuild: use $(RC) correctly

Cloes #13267

build: do not publish `HAVE_BORINGSSL`, `HAVE_AWSLC` macros

Syncing this up with CMake.

Source code uses the built-in `OPENSSL_IS_AWSLC` and
`OPENSSL_IS_BORINSSL` macros to dete

build: do not publish `HAVE_BORINGSSL`, `HAVE_AWSLC` macros

Syncing this up with CMake.

Source code uses the built-in `OPENSSL_IS_AWSLC` and
`OPENSSL_IS_BORINSSL` macros to detect BoringSSL and AWS-LC. No help is
necessary from the build tools.

The one use of `HAVE_BORINGSSL` in the source turned out to be no longer
necessary for warning-free BoringSSL + Schannel builds. Ref: #1610 #2634

autotools detects this anyway for display purposes.
CMake detects this to decide whether to use the BoringSSL-specific
crypto lib with ngtcp2. It detects AWS-LC, but doesn't use the detection
result just yet (planned in #12066).

Ref: #11964

Reviewed-by: Daniel Stenberg
Reviewed-by: Jay Satiro
Closes #12065

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tool: add "variable" support

Add support for command line variables. Set variables with --variable
name=content or --variable name@file (where "file" can be stdin if set
to a single

tool: add "variable" support

Add support for command line variables. Set variables with --variable
name=content or --variable name@file (where "file" can be stdin if set
to a single dash (-)).

Variable content is expanded in option parameters using "{{name}}"
(without the quotes) if the option name is prefixed with
"--expand-". This gets the contents of the variable "name" inserted, or
a blank if the name does not exist as a variable. Insert "{{" verbatim
in the string by prefixing it with a backslash, like "\\{{".

Import an environment variable with --variable %name. It makes curl exit
with an error if the environment variable is not set. It can also rather
get a default value if the variable does not exist, using =content or
@file like shown above.

Example: get the USER environment variable into the URL:

--variable %USER
--expand-url = "https://example.com/api/{{USER}}/method"

When expanding variables, curl supports a set of functions that can make
the variable contents more convenient to use. It can trim leading and
trailing white space with "trim", output the contents as a JSON quoted
string with "json", URL encode it with "url" and base 64 encode it with
"b64". To apply functions to a variable expansion, add them colon
separated to the right side of the variable. They are then performed in
a left to right order.

Example: get the contents of a file called $HOME/.secret into a variable
called "fix". Make sure that the content is trimmed and percent-encoded
sent as POST data:

--variable %HOME=/home/default
--expand-variable fix@{{HOME}}/.secret
--expand-data "{{fix:trim:url}}"
https://example.com/

Documented. Many new test cases.

Co-brainstormed-by: Emanuele Torre
Assisted-by: Jat Satiro
Closes #11346

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winbuild: improve check for static zlib

- Check for zlib static library name zlibstatic.lib.

zlib's static library has a different name depending on how it was
built. zlibstatic

winbuild: improve check for static zlib

- Check for zlib static library name zlibstatic.lib.

zlib's static library has a different name depending on how it was
built. zlibstatic.lib is output by cmake. zlibstat.lib is output by
their pre-generated Visual Studio project files (in the contrib
directory) and defines ZLIB_WINAPI (ie it's meant to use stdcall
instead of cdecl if you end up exporting the zlib functions).

Prior to this change the makefile only checked for the latter.

Closes https://github.com/curl/curl/pull/11521

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winbuild: fix makefile clean

- Fix and move 'clean' code that removes the output and obj directories
trees from MakefileBuild.vc to Makefile.vc.

Prior to this change the 'clea

winbuild: fix makefile clean

- Fix and move 'clean' code that removes the output and obj directories
trees from MakefileBuild.vc to Makefile.vc.

Prior to this change the 'clean' code did not work right because the
variables containing the directory names were not fully initialized and
the rmdir syntax was sometimes incorrect (typos). DIRDIST for example
was set to ..\builds\ and not ..\builds\$(CONFIG_NAME_LIB)\ so it would
remove the former and not the latter. If WITH_PREFIX was set then that
directory was removed instead.

Also, DIRDIST (the output directory) even if initialized should not be
removed by MakefileBuild.vc because by that time it could be set to a
user directory that may contain other files if WITH_PREFIX is set (eg we
don't want rmdir /s /q C:\usr\local). Therefore we remove from
Makefile.vc before any of that happens. I added a comment in both
makefiles explaining this.

Closes https://github.com/curl/curl/pull/10576

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copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- save

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING

checksrc is updated to allow non-year using copyright statements

Closes #10205

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winidn: drop WANT_IDN_PROTOTYPES

`WANT_IDN_PROTOTYPES` was necessary to avoid using a header that came
via an optional package. MS stopped distributing this package some
years ago an

winidn: drop WANT_IDN_PROTOTYPES

`WANT_IDN_PROTOTYPES` was necessary to avoid using a header that came
via an optional package. MS stopped distributing this package some
years ago and the winidn definitions are part of standard headers (via
`windows.h`) since Vista.

Auto-detect Vista inside `lib/idn_win32.c` and enable the manual
definitions if building for an older Windows.

This allows to delete this manual knob from all build-systems.

Also drop the `_SAL_VERSION` sub-case:

Our manual definitions are now only enabled with old systems. We assume
that code analysis is not run on such systems, allowing us to delete the
SAL-friendly flavour of these.

Reviewed-by: Jay Satiro
Closes #9793

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tidy-up: delete parallel/unused feature flags

Detecting headers and lib separately makes sense when headers come in
variations or with extra ones, but this wasn't the case here. These we

tidy-up: delete parallel/unused feature flags

Detecting headers and lib separately makes sense when headers come in
variations or with extra ones, but this wasn't the case here. These were
duplicate/parallel macros that we had to keep in sync with each other
for a working build. This patch leaves a single macro for each of these
dependencies:

- Rely on `HAVE_LIBZ`, delete parallel `HAVE_ZLIB_H`.

Also delete CMake logic making sure these two were in sync, along with
a toggle to turn off that logic, called `CURL_SPECIAL_LIBZ`.

Also delete stray `HAVE_ZLIB` defines.

There is also a `USE_ZLIB` variant in `lib/config-dos.h`. This patch
retains it for compatibility and deprecates it.

- Rely on `USE_LIBSSH2`, delete parallel `HAVE_LIBSSH2_H`.

Also delete `LIBSSH2_WIN32`, `LIBSSH2_LIBRARY` from
`winbuild/MakefileBuild.vc`, these have a role when building libssh2
itself. And `CURL_USE_LIBSSH`, which had no use at all.

Also delete stray `HAVE_LIBSSH2` defines.

- Rely on `USE_LIBSSH`, delete parallel `HAVE_LIBSSH_LIBSSH_H`.

Also delete `LIBSSH_WIN32`, `LIBSSH_LIBRARY` and `HAVE_LIBSSH` from
`winbuild/MakefileBuild.vc`, these were the result of copy-pasting the
libssh2 line, and were not having any use.

- Delete unused `HAVE_LIBPSL_H` and `HAVE_LIBPSL`.

Reviewed-by: Daniel Stenberg

Closes #9652

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winbuild/MakefileBuild.vc: handle spaces in libssh(2) include paths

Patched-by: Mark Itzcovitz
Bug: https://curl.se/mail/lib-2022-09/0038.html

Closes #9536

winbuild: Use NMake batch-rules for compilation

- Invoke cl compiler once for each group of .c files.

This is significantly improves compilation time. For example in my
environm

winbuild: Use NMake batch-rules for compilation

- Invoke cl compiler once for each group of .c files.

This is significantly improves compilation time. For example in my
environment: 40 s --> 20 s.

Prior to this change cl was invoked per .c file.

Closes https://github.com/curl/curl/pull/9512

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curl_ctype: convert to macros-only

This no longer provide functions, only macros. Runs faster and produces
smaller output.

The biggest precaution this change brings:

DO

curl_ctype: convert to macros-only

This no longer provide functions, only macros. Runs faster and produces
smaller output.

The biggest precaution this change brings:

DO NOT use post/pre-increments when passing arguments to the macros.

Closes #9429

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copyright: make repository REUSE compliant

Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the

copyright: make repository REUSE compliant

Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the file
`.reuse/dep5`.

This commit also adds a Github workflow to check pull requests and adapts
copyright.pl to the changes.

Closes #8869

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msh3: add support for QUIC and HTTP/3 using msh3

Considered experimental, as the other HTTP/3 backends.

Closes #8517

winbuild: add parameter WITH_SSH

For building with libssh
Closes #8514

winbuild/MakefileBuild.vc: bump copyright year

winbuild: support alternate nghttp2 static lib name

- Support both nghttp2.lib and nghttp2_static.lib for static nghttp2.

nghttp2 briefly changed its static lib name to nghttp2_stat

winbuild: support alternate nghttp2 static lib name

- Support both nghttp2.lib and nghttp2_static.lib for static nghttp2.

nghttp2 briefly changed its static lib name to nghttp2_static, but then
made the _static suffix optional.

Ref: https://github.com/nghttp2/nghttp2/pull/1394
Ref: https://github.com/nghttp2/nghttp2/pull/1418
Ref: https://github.com/nghttp2/nghttp2/issues/1466

Reported-by: Pierre Yager

Fixes https://github.com/curl/curl/issues/7446
Closes https://github.com/curl/curl/pull/7447

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winbuild: remove docs from Makefiles and refer to README.md

Reduce risk for conflicting docs and makes it to a single place to fix
and polish.

add these missing options to the r

winbuild: remove docs from Makefiles and refer to README.md

Reduce risk for conflicting docs and makes it to a single place to fix
and polish.

add these missing options to the readme:

ENABLE_OPENSSL_AUTO_LOAD_CONFIG and ENABLE_UNICODE

clarify ENABLE_SCHANNEL default varies

Fixes #6216
Closes #6227
Co-Authored-by: Jay Satiro

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curl.se: new home

Closes #6172

curl: use curlx_dynbuf for realloc when loading config files

... fixes an integer overflow at the same time.

Reported-by: ihsinme on github
Assisted-by: Jay Satiro

Clos

curl: use curlx_dynbuf for realloc when loading config files

... fixes an integer overflow at the same time.

Reported-by: ihsinme on github
Assisted-by: Jay Satiro

Closes #5946

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TLS naming: fix more Winssl and Darwinssl leftovers

The CMake option is now called CMAKE_USE_SCHANNEL

The winbuild flag is USE_SCHANNEL

The CI jobs and build scripts only u

TLS naming: fix more Winssl and Darwinssl leftovers

The CMake option is now called CMAKE_USE_SCHANNEL

The winbuild flag is USE_SCHANNEL

The CI jobs and build scripts only use the new names and the new name
options

Tests now require 'Schannel' (when necessary)

Closes #5795

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win32: Add Curl_verify_windows_version() to curlx

Closes https://github.com/curl/curl/pull/5754

curl_multibyte: add to curlx

This will also be needed in the tool and tests.

Ref: https://github.com/curl/curl/pull/3758#issuecomment-482197512
Closes https://github.com/curl/cu

curl_multibyte: add to curlx

This will also be needed in the tool and tests.

Ref: https://github.com/curl/curl/pull/3758#issuecomment-482197512
Closes https://github.com/curl/curl/pull/3784

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copyright: fix out-of-date copyright ranges and missing headers

Reported by the new script 'scripts/copyright.pl'. The script has a
regex whitelist for the files that don't need copyrigh

copyright: fix out-of-date copyright ranges and missing headers

Reported by the new script 'scripts/copyright.pl'. The script has a
regex whitelist for the files that don't need copyright headers.

Removed three (mostly usesless) README files from docs/

Closes #5141

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winbuild: Define CARES_STATICLIB when WITH_CARES=static

When libcurl is built with MODE=static, c-ares is forced into static
linkage too. That doesn't happen when MODE=dll so linker woul

winbuild: Define CARES_STATICLIB when WITH_CARES=static

When libcurl is built with MODE=static, c-ares is forced into static
linkage too. That doesn't happen when MODE=dll so linker would break
over undefined symbols.

closes https://github.com/curl/curl/pull/4688

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