tidy-up: whitespace, fix CI spacecheck for docs

Also: fixup CI spacecheck to apply to docs again.

Closes #15423

gssapi: align global `gss_OID_desc` vars to silence ld warnings on macOS ventura

Refs #9975 which first reported this.

Closes #10718

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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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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gssapi: initialize gss_buffer_desc strings

Explicitly initialize gss_buffer_desc strings such that a call to
freeing resources will succeed even if no data has been allocated
to it.

gssapi: initialize gss_buffer_desc strings

Explicitly initialize gss_buffer_desc strings such that a call to
freeing resources will succeed even if no data has been allocated
to it.

Reported-by: Jay Satiro <raysatiro@yahoo.com>

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gssapi: improve handling of errors from gss_display_status

In case gss_display_status() returns an error, avoid trying to add
it to the buffer as the message may well be a NULL pointer.

gssapi: improve handling of errors from gss_display_status

In case gss_display_status() returns an error, avoid trying to add
it to the buffer as the message may well be a NULL pointer.

Originally this fix comes from a discussion in issue #8816.

Closes: #8832
Reviewed-by: Jay Satiro <raysatiro@yahoo.com>

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misc: update copyright year ranges

infof: consistent capitalization of warning messages

Ensure that all infof calls with a warning message are capitalized
in the same way. At some point we should probably set up a style-

infof: consistent capitalization of warning messages

Ensure that all infof calls with a warning message are capitalized
in the same way. At some point we should probably set up a style-
guide for infof but until then let's aim for a little consistenncy
where we can.

Closes: #8711
Reviewed-by: Daniel Stenberg <daniel@haxx.se>

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curl_gssapi: fix build warnings by removing const

Follow-up to 20e980f85b0ea6

In #7875 these inits were modified but I get two warnings that these new
typecasts are necessary fo

curl_gssapi: fix build warnings by removing const

Follow-up to 20e980f85b0ea6

In #7875 these inits were modified but I get two warnings that these new
typecasts are necessary for.

Closes #7876

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curl_gssapi: fix link error on macOS Monterey

Fixes #7657
Closes #7875

infof: remove newline from format strings, always append it

- the data needs to be "line-based" anyway since it's also passed to the
debug callback/application

- it makes info

infof: remove newline from format strings, always append it

- the data needs to be "line-based" anyway since it's also passed to the
debug callback/application

- it makes infof() work like failf() and consistency is good

- there's an assert that triggers on newlines in the format string

- Also removes a few instances of "..."

- Removes the code that would append "..." to the end of the data *iff*
it was truncated in infof()

Closes #7357

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tidy-up: make conditional checks more consistent

... remove '== NULL' and '!= 0'

Closes #6912

lib: pass in 'struct Curl_easy *' to most functions

... in most cases instead of 'struct connectdata *' but in some cases in
addition to.

- We mostly operate on transfers and no

lib: pass in 'struct Curl_easy *' to most functions

... in most cases instead of 'struct connectdata *' but in some cases in
addition to.

- We mostly operate on transfers and not connections.

- We need the transfer handle to log, store data and more. Everything in
libcurl is driven by a transfer (the CURL * in the public API).

- This work clarifies and separates the transfers from the connections
better.

- We should avoid "conn->data". Since individual connections can be used
by many transfers when multiplexing, making sure that conn->data
points to the current and correct transfer at all times is difficult
and has been notoriously error-prone over the years. The goal is to
ultimately remove the conn->data pointer for this reason.

Closes #6425

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copyright: fix year ranges

Follow-up from 4d2f8006777

curl.se: new home

Closes #6172

snprintf: renamed and we now only use msnprintf()

The function does not return the same value as snprintf() normally does,
so readers may be mislead into thinking the code works differen

snprintf: renamed and we now only use msnprintf()

The function does not return the same value as snprintf() normally does,
so readers may be mislead into thinking the code works differently than
it actually does. A different function name makes this easier to detect.

Reported-by: Tomas Hoger
Assisted-by: Daniel Gustafsson
Fixes #3296
Closes #3297

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curl_gssapi: make sure this file too uses our *printf()

checksrc: white space edits to comply to stricter checksrc

internals: rename the SessionHandle struct to Curl_easy

GSS: make Curl_gss_log_error more verbose

Also display the GSS_C_GSS_CODE (major code) when specified instead of
only GSS_C_MECH_CODE (minor code).

In addition, the old code was

GSS: make Curl_gss_log_error more verbose

Also display the GSS_C_GSS_CODE (major code) when specified instead of
only GSS_C_MECH_CODE (minor code).

In addition, the old code was printing a colon twice after the prefix
and also miscalculated the length of the buffer in between calls to
gss_display_status (the length of ": " was missing).

Also, gss_buffer is not guaranteed to be NULL terminated and thus need
to restrict reading by its length.

Closes #738

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URLs: change all http:// URLs to https://

curl_gssapi: remove 'const' to fix compiler warnings

initialization discards 'const' qualifier from pointer target type

sasl_gssapi: Fixed honouring of no mutual authentication

sasl_gssapi: Made log_gss_error() a common GSS-API function

Made log_gss_error() a common function so that it can be used in both
the http_negotiate code as well as the curl_sasl_gssapi

sasl_gssapi: Made log_gss_error() a common GSS-API function

Made log_gss_error() a common function so that it can be used in both
the http_negotiate code as well as the curl_sasl_gssapi code.

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GSSAPI: private export mechanisms OIDs. OS400: Make RPG binding up to date.