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ld.so.8: Make lack of separator escaping explicit 

Make it clear that the delimiters in LD_PRELOAD, LD_LIBRARY_PATH,
and LD_AUDIT cannot be escaped so people don't try various methods
(such as \:) to workaround it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Mike Frysinger 2018-02-05 16:48:02 -05:00 committed by Michael Kerrisk
parent f23ba9ce98
commit 91c4caa051
1 changed files with 6 additions and 3 deletions
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man8/ld.so.8
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@ -271,7 +271,8 @@ This is useful when using a debugger.
.B LD_LIBRARY_PATH
A list of directories in which to search for
ELF libraries at execution time.
The items in the list are separated by either colons or semicolons.
The items in the list are separated by either colons or semicolons,
and there is no support for escaping either separator.
Similar to the
.B PATH
environment variable.
@ -310,7 +311,8 @@ as shell variables!)
.B LD_PRELOAD
A list of additional, user-specified, ELF shared
objects to be loaded before all others.
The items of the list can be separated by spaces or colons.
The items of the list can be separated by spaces or colons,
and there is no support for escaping either separator.
This can be used to selectively override functions in other shared objects.
The objects are searched for using the rules given under DESCRIPTION.
.IP
@ -352,7 +354,8 @@ many obsolete or only for internal use.
A colon-separated list of user-specified, ELF shared objects
to be loaded before all others in a separate linker namespace
(i.e., one that does not intrude upon the normal symbol bindings that
would occur in the process).
would occur in the process)
and there is no support for escaping the separator.
These objects can be used to audit the operation of the dynamic linker.
.IP
.B LD_AUDIT