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stdio: Introduce a new helper stdio_file_to_flags()

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Let's deduplicate existing copies by splitting off to a new helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2021-02-11 17:09:36 +02:00 committed by Tom Rini
parent 99cb2b996b
commit d9b0ac90ba
2 changed files with 15 additions and 0 deletions
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13
common/stdio.c
View File

@ -28,6 +28,19 @@ static struct stdio_dev devs;
struct stdio_dev *stdio_devices[] = { NULL, NULL, NULL };
char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" };
int stdio_file_to_flags(const int file)
{
switch (file) {
case stdin:
return DEV_FLAGS_INPUT;
case stdout:
case stderr:
return DEV_FLAGS_OUTPUT;
default:
return -EINVAL;
}
}
#if CONFIG_IS_ENABLED(SYS_DEVICE_NULLDEV)
static void nulldev_putc(struct stdio_dev *dev, const char c)
{

2
include/stdio_dev.h
View File

@ -18,6 +18,8 @@
#define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
#define DEV_FLAGS_DM 0x00000004 /* Device priv is a struct udevice * */
int stdio_file_to_flags(const int file);
/* Device information */
struct stdio_dev {
int flags; /* Device flags: input/output/system */