<p>Don't know if its relevant, but tagmanager <code>get_path_max()</code> which is used in <code>get_real_path()</code> is wrong, it checks a compile time symbol <code>PATH_MAX</code> and then uses the value on an unknown run time system <a href="https://github.com/geany/geany/blob/35a5d457f48c92ecb71b5a2ecf7d718701d5ef63/src/tagmanager/tm_source_file.c#L75">see</a></p>
<p>At the very least it should use pathconf() all the time (does it work on windows?) but IIUC it gives a value "unsuitable for allocating memory" (ie very high, eg SIZE_MAX) on some systems.</p>

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