[BUILD] add option to build the dnbd3-server with afl-fuzz support

The afl-fuzz support for the dnbd3-server requires an AFL C compiler
like afl-gcc and can be enabled with the CMake option DNBD3_SERVER_AFL.

1 files changed, 15 insertions, 0 deletions

diff --git a/inc/dnbd3/shared/log.h b/inc/dnbd3/shared/log.h
index 5b1e8f7..9185b18 100644
--- a/inc/dnbd3/shared/log.h
+++ b/inc/dnbd3/shared/log.h
@@ -23,6 +23,7 @@
 
 #include <stdbool.h>
 #include <unistd.h>
+#include <stdio.h>
 
 typedef unsigned int logmask_t;
 #define LOG_ERROR    ((logmask_t)1)  // Fatal error, server will terminate
@@ -32,6 +33,10 @@ typedef unsigned int logmask_t;
 #define LOG_DEBUG1  ((logmask_t)16)  // Debug information, use this for non-spammy stuff
 #define LOG_DEBUG2  ((logmask_t)32)  // Use this for debug messages that will show up a lot
 
+/**
+ * Initialize the logging (constructor)
+ */
+void log_init(void);
 
 /**
  * Check if cansoleMask | fileMask has all of mask set.
@@ -45,6 +50,16 @@ void log_setConsoleMask(logmask_t mask);
 void log_setConsoleTimestamps(bool on);
 
 /**
+ * Set console output stream
+ * The output stream can be either stdout or stderr
+ *
+ * Note: A call of this function is optional and only required if the output
+ *       stream should be changed from stdout to stderr since the log
+ *       implementation defaults to the output stream stdout
+ */
+int log_setConsoleOutputStream(FILE *outputStream);
+
+/**
  * Open or reopen the log file. If path is NULL and the
  * function was called with a path before, the same path
  * will be used again.