4 files changed, 90 insertions, 18 deletions

diff --git a/src/logger.cpp b/src/logger.cpp
index f61cd2464..395daa135 100644
--- a/src/logger.cpp
+++ b/src/logger.cpp
@@ -264,6 +264,45 @@ void Logger::log(const char *const log_text, ...)
     delete [] buf;
 }
 
+void Logger::assert(const char *const log_text, ...)
+{
+    if (settings.disableLoggingInGame)
+        return;
+
+    unsigned size = 1024;
+    if (strlen(log_text) * 3 > size)
+        size = CAST_U32(strlen(log_text) * 3);
+
+    char* buf = new char[CAST_SIZE(size + 1)];
+    va_list ap;
+
+    // Use a temporary buffer to fill in the variables
+    va_start(ap, log_text);
+    vsnprintf(buf, size, log_text, ap);
+    buf[size] = 0;
+    va_end(ap);
+
+    // Get the current system time
+    timeval tv;
+    gettimeofday(&tv, nullptr);
+
+    // Print the log entry
+    std::stringstream timeStr;
+    DATESTREAM
+    SPECIALLOG(buf)
+
+    if (mLogFile.is_open())
+        mLogFile << timeStr.str() << buf << std::endl;
+
+    if (mLogToStandardOut)
+        std::cout << timeStr.str() << buf << std::endl;
+
+    DebugMessageListener::distributeEvent(buf);
+
+    // Delete temporary buffer
+    delete [] buf;
+}
+
 void Logger::log_r(const char *const log_text, ...)
 {
     if (settings.disableLoggingInGame)
diff --git a/src/logger.h b/src/logger.h
index abf2a72c1..0088facc8 100644
--- a/src/logger.h
+++ b/src/logger.h
@@ -118,6 +118,27 @@ class Logger final
             ;
 
         /**
+         * Enters a message in the log. The message will be timestamped.
+         */
+        void assert(const char *const log_text, ...) A_NONNULL(2)
+#ifdef __GNUC__
+#ifdef __OpenBSD__
+
+            __attribute__((__format__(printf, 2, 3)))
+#else  // __OpenBSD__
+
+#ifdef ENABLE_CILKPLUS
+            __attribute__((__format__(gnu_printf, 1, 2)))
+#else  // ENABLE_CILKPLUS
+
+            __attribute__((__format__(gnu_printf, 2, 3)))
+#endif  // ENABLE_CILKPLUS
+
+#endif  // __OpenBSD__
+#endif  // __GNUC__
+            ;
+
+        /**
          * Enters a message in the log (thread safe).
          */
         void log_r(const char *const log_text, ...) A_NONNULL(2)
diff --git a/src/utils/checkutils.cpp b/src/utils/checkutils.cpp
index 2fc471d7e..6cc3c751e 100644
--- a/src/utils/checkutils.cpp
+++ b/src/utils/checkutils.cpp
@@ -30,19 +30,25 @@
 
 #include "debug.h"
 
-bool reportFalseReal(const bool val, const char *const file,
-                     const unsigned line)
+bool reportFalseReal(const bool val,
+                     const char *const text,
+                     const char *const file,
+                     const unsigned line,
+                     const char *const func)
 {
     if (!val)
-        logger->log("Debug: false value at %s:%u", file, line);
+        reportStack(file, line, func, "Detected false value", text);
     return val;
 }
 
-bool reportTrueReal(const bool val, const char *const file,
-                    const unsigned line)
+bool reportTrueReal(const bool val,
+                    const char *const text,
+                    const char *const file,
+                    const unsigned line,
+                    const char *const func)
 {
     if (val)
-        logger->log("Debug: true value at %s:%u", file, line);
+        reportStack(file, line, func, "Detected true value", text);
     return val;
 }
 
@@ -61,7 +67,7 @@ void reportStack(const char *const file,
 
     logger->log("--- %s --------------------------------------------",
         name);
-    logger->log("%s:%u: '%s' in function `%s'",
+    logger->assert("%s:%u: '%s' in function `%s'",
         file,
         line,
         text,
diff --git a/src/utils/checkutils.h b/src/utils/checkutils.h
index 21f439743..539614a7a 100644
--- a/src/utils/checkutils.h
+++ b/src/utils/checkutils.h
@@ -23,17 +23,23 @@
 
 #ifdef ENABLE_ASSERTS
 
-#define reportFalse(val) reportFalse1(val, __FILE__, __LINE__)
-#define reportFalse1(val, file, line) reportFalseReal(val, file, line)
-
-#define reportTrue(val) reportTrue1(val, __FILE__, __LINE__)
-#define reportTrue1(val, file, line) reportTrueReal(val, file, line)
-
-bool reportFalseReal(const bool val, const char *const file,
-                     const unsigned line);
-
-bool reportTrueReal(const bool val, const char *const file,
-                    const unsigned line);
+#define reportFalse(val) \
+    reportFalseReal(val, #val, __FILE__, __LINE__, __func__)
+
+#define reportTrue(val) \
+    reportTrueReal(val, #val, __FILE__, __LINE__, __func__)
+
+bool reportFalseReal(const bool val,
+                     const char *const text,
+                     const char *const file,
+                     const unsigned line,
+                     const char *const func);
+
+bool reportTrueReal(const bool val,
+                    const char *const text,
+                    const char *const file,
+                    const unsigned line,
+                    const char *const func);
 
 void reportStack(const char *const file,
                  const unsigned int line,