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In glibc 2.43, some _Generic macros have been added to preserve the constness of pointers. They are following C23 but also available when _GNU_SOURCE is defined (as we are doing). The preserved constness can trigger some -Wdiscarded-qualifiers warnings, which are turned to errors with -Werror (that we enable by default). The find_parent_devpath function really modifies the buffer so we have to drop the const qualifer for it. For other cases, simply add the missed const qualifer. Signed-off-by: Xi Ruoyao <xry111@xry111.site>
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In glibc 2.43, some _Generic macros have been added to preserve the constness of pointers. They are following C23 but also available when _GNU_SOURCE is defined (as we are doing). The preserved constness can trigger some -Wdiscarded-qualifiers warnings, which are turned to errors with -Werror (that we enable by default).
The find_parent_devpath function really modifies the buffer so we have to drop the const qualifer for it. For other cases, simply add the missed const qualifer.