Better logging function

Now it is possible to provide some data together with the logging function.
This is useful for example in C++, where I can now provide an arbitrary
callable object as data, and a simple wrapper function that call the
callable object as logging function.

1 files changed, 2 insertions, 2 deletions

diff --git a/test/test.h b/test/test.h
index 0b12fb7..97f229b 100644
--- a/test/test.h
+++ b/test/test.h
@@ -31,13 +31,13 @@ int64_t writecube(const char *, cube_t, size_t n, char [n]);
 /* Test function to be implemented by all tests */
 void run(void);
 
-void log_stderr(const char *str)
+void log_stderr(const char *str, void *unused)
 {
         fprintf(stderr, "%s", str);
 }
 
 int main(void) {
-        nissy_setlogger(log_stderr);
+        nissy_setlogger(log_stderr, NULL);
         run();
         return 0;
 }