Add --debug=parse for option parsing debug

Adds log.h and debug.h to split the logging and debug bits out of
fio, so that the parser can use them.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/log.h b/log.h
new file mode 100644
index 00000000..12c9a552
--- /dev/null
+++ b/log.h
@@ -0,0 +1,21 @@
+#ifndef FIO_LOG_H
+#define FIO_LOG_H
+
+extern FILE *f_out;
+extern FILE *f_err;
+
+/*
+ * If logging output to a file, stderr should go to both stderr and f_err
+ */
+#define log_err(args...)	do {		\
+	fprintf(f_err, ##args);			\
+	if (f_err != stderr)			\
+		fprintf(stderr, ##args);	\
+	} while (0)
+
+#define log_info(args...)	fprintf(f_out, ##args)
+
+FILE *get_f_out(void);
+FILE *get_f_err(void);
+
+#endif