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*MSC00-EX1:* Compilers can produce diagnostic messages for correct code., Thisas is permitted by guideline C99 \[[ISO/IEC 9899:1999|AA. Bibliography#ISO/IEC 9899-1999]\], which allows a compiler to produce a diagnostic for any reason. It is usually preferable to rewrite code to eliminate compiler warnings, but, if the code is correct, it is sufficient to provide a comment explaining why the warning message does not apply. Some compilers provide ways to suppress warnings, such as suitably formatted comments or pragmas, which can be used sparingly when the programmer understands the implications of the warning but has good reason to use the flagged construct anyway. |
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