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49 lines
2.0 KiB
49 lines
2.0 KiB
/*
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* C++ 'static const' works differently from C 'static const'.
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* This example compiles with gcc but not with g++. G++ will
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* issue errors.
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*/
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/*
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$ g++ -o /tmp/foo cxx_static_const.c -lm
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cxx_static_const.c:2:26: error: uninitialized const ‘N1’ [-fpermissive]
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static const struct node N1;
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^
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cxx_static_const.c:1:21: note: ‘const struct node’ has no user-provided default constructor
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struct node; struct node { const struct node *other; };
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^
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cxx_static_const.c:1:47: note: and the implicitly-defined constructor does not initialize ‘const node* node::other’
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struct node; struct node { const struct node *other; };
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^
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cxx_static_const.c:3:26: error: uninitialized const ‘N2’ [-fpermissive]
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static const struct node N2;
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^
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cxx_static_const.c:1:21: note: ‘const struct node’ has no user-provided default constructor
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struct node; struct node { const struct node *other; };
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^
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cxx_static_const.c:1:47: note: and the implicitly-defined constructor does not initialize ‘const node* node::other’
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struct node; struct node { const struct node *other; };
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^
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cxx_static_const.c:4:26: error: redefinition of ‘const node N1’
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static const struct node N1 = { &N2 };
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^
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cxx_static_const.c:2:26: error: ‘const node N1’ previously declared here
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static const struct node N1;
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^
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cxx_static_const.c:5:26: error: redefinition of ‘const node N2’
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static const struct node N2 = { &N1 };
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^
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cxx_static_const.c:3:26: error: ‘const node N2’ previously declared here
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static const struct node N2;
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*/
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struct node; struct node { const struct node *other; };
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static const struct node N1;
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static const struct node N2;
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static const struct node N1 = { &N2 };
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static const struct node N2 = { &N1 };
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int main(int argc, char *argv[]) {
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(void) argc; (void) argv; return 0;
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}
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