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| -rw-r--r-- | src/base/misc.hh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/base/misc.hh b/src/base/misc.hh index 5f89e5f1d..b62548eb2 100644 --- a/src/base/misc.hh +++ b/src/base/misc.hh @@ -219,6 +219,20 @@ extern bool want_hack, hack_verbose; cond_message_once(want_hack, std::cerr, "hack", hack_verbose, __VA_ARGS__) /** + * Conditional warning macro that checks the supplied condition and + * only prints a warning if the condition is true. Useful to replace + * if + warn. + * + * @param cond Condition that is checked; if true -> warn + * @param ... Printf-based format string with arguments, extends printout. + */ +#define warn_if(cond, ...) \ + do { \ + if ((cond)) \ + warn(__VA_ARGS__); \ + } while (0) + +/** * The chatty assert macro will function like a normal assert, but will allow the * specification of additional, helpful material to aid debugging why the * assertion actually failed. Like the normal assertion, the chatty_assert |