tests: switch to 3-argument open in test suite

The perl 2-argument open has been considered not-quite-deprecated since
the 3-argument form was introduced almost a quarter century ago.

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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tests/memanalyze.pl: also count and show "total allocations"

This is the total number of bytes allocated, increasing for new
allocations and never reduced when freed. The existing "Maxim

tests/memanalyze.pl: also count and show "total allocations"

This is the total number of bytes allocated, increasing for new
allocations and never reduced when freed. The existing "Maximum
allocated" is the high water mark.

Closes #8330

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copyright: fix year ranges

Follow-up from 4d2f8006777

curl.se: new home

Closes #6172

memdebug: trace send, recv and socket

... to allow them to be included in torture tests too.

closes #1980

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

memanalyze.pl: handle free(NULL)

Reinstate "WIN32 MemoryTracking: track wcsdup() _wcsdup() and _tcsdup() usage".

This reverts commit 7ed25cc, reinstating commit 8ec2cb5.

As of 18-jul-2013 we still do have code in l

Reinstate "WIN32 MemoryTracking: track wcsdup() _wcsdup() and _tcsdup() usage".

This reverts commit 7ed25cc, reinstating commit 8ec2cb5.

As of 18-jul-2013 we still do have code in libcurl that makes use of these
memory functions. Commit 8ec2cb5 comment still applies and is yet valid.

These memory functions are solely used in Windows builds, so all related
code is protected with '#ifdef WIN32' preprocessor conditional compilation
directives.

Specifically, wcsdup() _wcsdup() are used when building a Windows target with
UNICODE and USE_WINDOWS_SSPI preprocessor symbols defined. This is the case
when building a Windows UNICODE target with Windows native SSL/TLS support
enabled.

Realizing that wcsdup() _wcsdup() are used is a bit tricky given that usage
of these is hidden behind _tcsdup() which is MS way of dealing with code
that must tolerate UNICODE and non-UNICODE compilation. Additionally, MS
header files and those compatible from other compilers use this preprocessor
conditional compilation directive in order to select at compilation time
whether 'wide' or 'ansi' MS API functions are used.

Without this code, Windows build targets with Windows native SSL/TLS support
enabled and MemoryTracking support enabled misbehave in tracking memory usage,
regardless of being a UNICODE enabled build or not.

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Revert "WIN32 MemoryTracking: track wcsdup() _wcsdup() and _tcsdup() usage"

This reverts commit 8ec2cb5544b86306b702484ea785b6b9596562ab.

We don't have any code anywhere in libcurl

Revert "WIN32 MemoryTracking: track wcsdup() _wcsdup() and _tcsdup() usage"

This reverts commit 8ec2cb5544b86306b702484ea785b6b9596562ab.

We don't have any code anywhere in libcurl (or the curl tool) that use
wcsdup so there's no such memory use to track. It seems to cause mild
problems with the Borland compiler though that we may avoid by reverting
this change again.

Bug: http://curl.haxx.se/mail/lib-2013-05/0070.html

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WIN32 MemoryTracking: track wcsdup() _wcsdup() and _tcsdup() usage

As of 25-mar-2013 wcsdup() _wcsdup() and _tcsdup() are only used in
WIN32 specific code, so tracking of these has not b

WIN32 MemoryTracking: track wcsdup() _wcsdup() and _tcsdup() usage

As of 25-mar-2013 wcsdup() _wcsdup() and _tcsdup() are only used in
WIN32 specific code, so tracking of these has not been extended for
other build targets. Without this fix, memory tracking system on
WIN32 builds, when using these functions, would provide misleading
results.

In order to properly extend this support for all targets curl.h
would have to define curl_wcsdup_callback prototype and consequently
wchar_t should be visible before that in curl.h. IOW curl_wchar_t
defined in curlbuild.h and this pulling whatever system header is
required to get wchar_t definition.

Additionally a new curl_global_init_mem() function that also receives
user defined wcsdup() callback would be required.

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memanalyze.pl: handle fopen() of file names with quotes

Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

f871de0... build: make use

Revert changes relative to lib/*.[ch] recent renaming

This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:

f871de0... build: make use of 76 lib/*.h renamed files
ffd8e12... build: rename 76 lib/*.h files

This also reverts removal of redundant include guard (redundant thanks
to changes in above commits) done 2-12-2013, reverting 1 commit:

c087374... curl_setup.h: remove redundant include guard

This also reverts renaming and usage of lib/*.c source files done
3-12-2013, reverting 3 commits:

13606bb... build: make use of 93 lib/*.c renamed files
5b6e792... build: rename 93 lib/*.c files
7d83dff... build: commit 13606bbfde follow-up 1

Start of related discussion thread:

http://curl.haxx.se/mail/lib-2013-01/0012.html

Asking for confirmation on pushing this revertion commit:

http://curl.haxx.se/mail/lib-2013-01/0048.html

Confirmation summary:

http://curl.haxx.se/mail/lib-2013-01/0079.html

NOTICE: The list of 2 files that have been modified by other
intermixed commits, while renamed, and also by at least one
of the 6 commits this one reverts follows below. These 2 files
will exhibit a hole in history unless git's '--follow' option
is used when viewing logs.

lib/curl_imap.h
lib/curl_smtp.h

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build: make use of 93 lib/*.c renamed files

93 *.c source files renamed to use our standard naming scheme.

This change affects 77 files in libcurl's source tree.

socketpair() usage tracking to allow fd leak detection

headers: more copyright headers added

replaced tabs with spaces

removed trailing whitespace

Using fdopen() is a more correct way to implement the CURLOPT_NEW_FILE_PREMS
file.c, but the debug interface was missing. This adds the routines needed
to make the memory debuging work for f

Using fdopen() is a more correct way to implement the CURLOPT_NEW_FILE_PREMS
file.c, but the debug interface was missing. This adds the routines needed
to make the memory debuging work for fdopen().

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Support realloc() on a NULL pointer properly (printf(%p) on a NULL pointer
outputs (nil) and not a 0x0 or similar.

add more info when this script gets confused, and added getaddrinfo and
freeaddrinfo to the trace output

James Bursa's fix to make this deal with malloc(0) as OK to free()

Gisle fixed the counting of calloc()s

If only a partial file was transfered, we consider that a fatal problem so
we won't try to QUIT the control connection and risk "hanging" waiting for
a response. Test case 161 verifies this.

If only a partial file was transfered, we consider that a fatal problem so
we won't try to QUIT the control connection and risk "hanging" waiting for
a response. Test case 161 verifies this. The quit-sending function was
also made static.

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