lib/log: Cleanup log API

Rather than exposing log internals (through always_flush and
set_stream), do all logging init through pb_log_init(). If pb_log_init()
hasn't been called, pb_log will drop messages.

Also, add a pb_debug() function, specifically for debugging information.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 12 insertions, 3 deletions

diff --git a/lib/log/log.h b/lib/log/log.h
index 6f44bea..e34de33 100644
--- a/lib/log/log.h
+++ b/lib/log/log.h
@@ -1,11 +1,20 @@
 #ifndef _LOG_H
 #define _LOG_H
 
+#include <stdbool.h>
 #include <stdio.h>
 
 void __attribute__ ((format (printf, 1, 2))) pb_log(const char *fmt, ...);
-void pb_log_set_stream(FILE *stream);
-FILE * pb_log_get_stream(void);
-void pb_log_always_flush(int state);
+void __attribute__ ((format (printf, 1, 2))) pb_debug(const char *fmt, ...);
+
+void __pb_log_init(FILE *stream, bool debug);
+
+#ifdef DEBUG
+#define pb_log_init(s) __pb_log_init(s, true)
+#else
+#define pb_log_init(s) __pb_log_init(s, false)
+#endif
+
+FILE *pb_log_get_stream(void);
 
 #endif /* _LOG_H */