#define axl_return_if_fail ( expr   )     if (!(expr)) {__axl_log ("", AXL_LEVEL_CRITICAL, "Expresion '%s' have failed at %s (%s:%d)", #expr, __AXL_PRETTY_FUNCTION__, __AXL_FILE__, __AXL_LINE__); return;}

Allows to check a condition and return if it is not meet.

Parameters:
expr The expresion to check.