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Ran 27 Jan 2025 04:33PM UTC

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Committed 27 Jan 2025 04:32PM UTC coverage: 64.075%. Remained the same

Job # 12993653634.1

Build Type

push

github

Committed by

web-flow

Commit Message

mptcpize: do not override existing LD_PRELOAD value (#315)

If any.

Before, previously set LD_PRELOAD were overridden. According to
'man ld.so', there can be more than one library to load before other
objects as this env var accepts a list separated by spaces or colons:

  A list of additional, user-specified, ELF shared objects to be loaded
  before all others.  This feature can be used to selectively override
  functions in other shared objects.

  The items of the list can be separated by spaces or colons, and there
  is no support for escaping either separator.

So let's do that: if a previous LD_PRELOAD is detected, it will no
longer be dropped, but used with the MPTCP Wrap library added at the
end, e.g.

  LD_PRELOAD=dummy.so:libmptcpwrap.so.0.0.1

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>

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