diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/base/misc.hh | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/base/misc.hh b/src/base/misc.hh index 87faf20e6..1c5720ce1 100644 --- a/src/base/misc.hh +++ b/src/base/misc.hh @@ -76,6 +76,19 @@ void __warn(const std::string&, cp::ArgList &, const char*, const char*, int); #define warn(args...) \ __warn__(args, cp::ArgListNull()) +// Only print the warning message the first time it is seen. This +// doesn't check the warning string itself, it just only lets one +// warning come from the statement. So, even if the arguments change +// and that would have resulted in a different warning message, +// subsequent messages would still be supressed. +#define warn_once(args...) do { \ + static bool once = false; \ + if (!once) { \ + __warn__(args, cp::ArgListNull()); \ + once = true; \ + } \ + } while (0) + // // assert() that prints out the current cycle // |