Change library load order at run time (like LD_PRELOAD but during execution)
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Published on 2010-06-18T06:10:30Z
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2010/06/18
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How do I change the library a function loads from during run time?
For example, say I want to replace the standard printf function with something new, I can write my own version and compile it into a shared library, then put "LD_PRELOAD=/my/library.so" in the environment before running my executable.
But let's say that instead, I want to change that linkage from within the program itself. Surely that must be possible... right?
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