diff options
| author | Simon Glass <sjg@chromium.org> | 2025-04-02 06:29:32 +1300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2025-05-02 13:40:20 -0600 |
| commit | fe2d4d4cef093d24da389fda29a556b15c84829b (patch) | |
| tree | 9f7af11a4eaa84befd12bd19f2d75378e9de6811 /include/console.h | |
| parent | 4ca87fd18c1b718be423755939a6e5b1688869f5 (diff) | |
console: Support a format string for stderr output
Add a console_printf_select_stderr() function so that it is not
necessary for the caller to process the format string.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Diffstat (limited to 'include/console.h')
| -rw-r--r-- | include/console.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/console.h b/include/console.h index 57fdb0834c1..8d0d7bb8a4c 100644 --- a/include/console.h +++ b/include/console.h @@ -170,6 +170,21 @@ int console_announce_r(void); void console_puts_select_stderr(bool serial_only, const char *s); /** + * console_printf_select_stderr() - Output a formatted string to selected devs + * + * This writes to stderr only. It is useful for outputting errors. Note that it + * uses its own buffer, separate from the print buffer, to allow printing + * messages within console/stdio code + * + * @serial_only: true to output only to serial, false to output to everything + * else + * @fmt: Printf format string, followed by format arguments + * Return: number of characters written + */ +int console_printf_select_stderr(bool serial_only, const char *fmt, ...) + __attribute__ ((format (__printf__, 2, 3))); + +/** * console_clear() - Clear the console * * Uses an ANSI sequence to clear the display, failing back to clearing the |