+static void logv_warning_with_prefix(const char *prefix,
+ const char *format, va_list ap)
+{
+ std::string message = vstringf(format, ap);
+ bool suppressed = false;
+
+ for (auto &re : log_nowarn_regexes)
+ if (std::regex_search(message, re))
+ suppressed = true;
+
+ if (suppressed)
+ {
+ log("Suppressed %s%s", prefix, message.c_str());
+ }
+ else
+ {
+ int bak_log_make_debug = log_make_debug;
+ log_make_debug = 0;
+
+ for (auto &re : log_werror_regexes)
+ if (std::regex_search(message, re))
+ log_error("%s", message.c_str());
+
+ if (log_warnings.count(message))
+ {
+ log("%s%s", prefix, message.c_str());
+ log_flush();
+ }
+ else
+ {
+ if (log_errfile != NULL && !log_quiet_warnings)
+ log_files.push_back(log_errfile);
+
+ log("%s%s", prefix, message.c_str());
+ log_flush();
+
+ if (log_errfile != NULL && !log_quiet_warnings)
+ log_files.pop_back();
+
+ log_warnings.insert(message);
+ }
+
+ log_warnings_count++;
+ log_make_debug = bak_log_make_debug;
+ }
+}
+