@@ -14,10 +14,16 @@
void tep_warning(const char *fmt, ...);
void tep_info(const char *fmt, ...);
+
/* Can be overridden */
int tep_vprint(const char *name, enum tep_loglevel level,
bool print_err, const char *fmt, va_list ap);
+/* The actual call of tep_vprint() for overrides to use */
+int __tep_vprint(const char *name, enum tep_loglevel level,
+ bool print_err, const char *fmt, va_list ap);
+
+
#define __deprecated(msg) __attribute__((deprecated("msg")))
/* For backward compatibilty, do not use */
@@ -9,6 +9,7 @@
#include <stdarg.h>
#include <errno.h>
+#include "event-utils.h"
#include "event-parse.h"
#define __weak __attribute__((weak))
@@ -42,6 +43,28 @@ void tep_set_loglevel(enum tep_loglevel level)
*/
int __weak tep_vprint(const char *name, enum tep_loglevel level,
bool print_err, const char *fmt, va_list ap)
+{
+ return __tep_vprint(name, level, print_err, fmt, ap);
+}
+
+/**
+ * __tep_vprint - print library log messages
+ * @name: name of the library.
+ * @level: severity of the log message. This parameter is not used in this implementation, but as
+ * the function is weak and can be overridden, having the log level could be useful
+ * for other implementations.
+ * @print_err: whether to print the errno, if non zero.
+ * @fmt: printf format string of the message.
+ * @ap: list of printf parameters.
+ *
+ * This function is used to print all messages from traceevent, tracefs and trace-cmd libraries.
+ * It is defined as weak, so the application that uses those libraries can override it in order
+ * to implement its own logic for printing library logs.
+ *
+ * Return the value of errno at the function enter.
+ */
+int __tep_vprint(const char *name, enum tep_loglevel level,
+ bool print_err, const char *fmt, va_list ap)
{
int ret = errno;