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20 lines
No EOL
454 B
C
20 lines
No EOL
454 B
C
/* Bug:
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* The header `defining_header.h` defines the constant `ABC` and
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* the header `testing_header.h` checks whether `ABC` has been defined.
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* In `testing_header.h` both checks `#ifdef ABC` and its negation
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* `#ifndef ABC` evaluate to true.
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*/
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#include "defining_header.h"
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/*
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#ifdef ABC // ok: evaluates to true
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#error "ABC defined"
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#else // ok: evaluates to false
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#error "ABC not defined"
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#endif
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*/
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#include "testing_header.h" |