common: console: introduce console_record_isempty helper

Add console_record_isempty to check if console record buffer
contains any data.

Signed-off-by: Ion Agorria <[email protected]>
Signed-off-by: Svyatoslav Ryhel <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mattijs Korpershoek <[email protected]>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/console.h b/include/console.h
index e29817e57b0..2617e160073 100644
--- a/include/console.h
+++ b/include/console.h
@@ -85,6 +85,13 @@ int console_record_readline(char *str, int maxlen);
 int console_record_avail(void);
 
 /**
+ * console_record_isempty() - Returns if console output is empty
+ *
+ * Return: true if empty
+ */
+bool console_record_isempty(void);
+
+/**
  * console_in_puts() - Write a string to the console input buffer
  *
  * This writes the given string to the console_in buffer which will then be
@@ -131,6 +138,12 @@ static inline int console_in_puts(const char *str)
 	return 0;
 }
 
+static inline bool console_record_isempty(void)
+{
+	/* Always empty */
+	return true;
+}
+
 #endif /* !CONFIG_CONSOLE_RECORD */
 
 /**