#error directive

Shows the given error message and renders the program ill-formed.

Syntax

#error error_message

Explanation

After encountering the #error directive, an implementation displays the diagnostic message error_message and renders the program ill-formed (the compilation stops).

error_message can consist of several words not necessarily in quotes.

References

  • C11 standard (ISO/IEC 9899:2011):
    • 6.10.5 Error directive (p: 174)
  • C99 standard (ISO/IEC 9899:1999):
    • 6.10.5 Error directive (p: 159)
  • C89/C90 standard (ISO/IEC 9899:1990):
    • 3.8.5 Error directive

See also

C++ documentation for Error directive
doc_C_Language
2016-10-10 18:34:27
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