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/shell/shell.c b/shell/shell.c
index 6b349e5..1ef1a39 100644
--- a/shell/shell.c
+++ b/shell/shell.c
@@ -780,7 +780,7 @@ set_threads(int argc, char **argv, args_t *args)
 }
 
 void
-log_stderr(const char *str)
+log_stderr(const char *str, void *unused)
 {
         fprintf(stderr, "%s", str);
 }
@@ -792,7 +792,7 @@ main(int argc, char **argv)
         args_t args;
 
         srand(time(NULL));
-        nissy_setlogger(log_stderr);
+        nissy_setlogger(log_stderr, NULL);
 
         parse_error = parse_args(argc-1, argv+1, &args);
         if (parse_error)