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This version was saved 14 years, 8 months ago View current version     Page history
Saved by Kenneth Finnegan
on April 6, 2008 at 1:16:40 pm

This preprocessor directive can be used to make a file not compile with your own error message saying what's wrong



#error Custom error message saying what is wrong



int foo(int bar) {

     #error Function foo not yet implemented




This can be used with #if to check properties of the environment

#if sizeof(int) < 4

     #error sizeof Int is too small, must be at least 4 bytes




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