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Le mer. 13 mai 2020 à 19:20, Massimo Sala <massimo.sala.71@gmail.com> a écrit :I consider this article, written by Gnu C authors, enlightening on the topic:I have to disagree to this statement made in that article: "Although the size of a zero-length array is zero, an array member of this kind may increase the size of the enclosing type as a result of tail padding."Because I don't see which kind of tail padding would occur after a zero-length array (which does not change at all the size of existing enclosing type, except for aligning the first member of the zero-length array: this is not *trailing* padding, but *leading* padding, i.e. influences the offset of the 1st element that could be in the variable-size array; but when the zero-length array has base type "char", its alignment is 1 by definition, meaning that multiple members of type non-array char are just packed at successive offsets+1:
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