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 <ion@agorria.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20240105072212.6615-4-clamor95@gmail.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

diff --git a/common/console.c b/common/console.c
index 1ffda49c87e058871cf920e6f7ae46e67f0f4806..6f2089caa009976d1464fd7a3884fedb22ffd6c1 100644 (file)
--- a/common/console.c
+++ b/common/console.c
@@ -853,6 +853,11 @@ int console_record_avail(void)
        return membuff_avail((struct membuff *)&gd->console_out);
 }
 
+bool console_record_isempty(void)
+{
+       return membuff_isempty((struct membuff *)&gd->console_out);
+}
+
 int console_in_puts(const char *str)
 {
        return membuff_put((struct membuff *)&gd->console_in, str, strlen(str));

diff --git a/include/console.h b/include/console.h
index e29817e57b003963d4beea2d5e7afff72372706b..2617e1600733fd16958813d4b8c66a63d496b73a 100644 (file)
--- a/include/console.h
+++ b/include/console.h
@@ -84,6 +84,13 @@ 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
  *
@@ -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 */
 
 /**