diff options
| author | Simon Glass <sjg@chromium.org> | 2017-08-03 12:22:16 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-08-16 08:31:24 -0400 |
| commit | 21f639446d6bccb6cc550140d36bd3ebd74fcee8 (patch) | |
| tree | ce0d9c8f4f27a05d86ab42bb727221b6fe4046df /include | |
| parent | 723806cc5bea9f8b37323dfd7568603f99af6a06 (diff) | |
env: Adjust the get_char() method to return an int
In principle this can fail, e.g. if the index is out of range. Adjust the
driver signature to allow returning an error code.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/environment.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/environment.h b/include/environment.h index 9a44215235..ba8af28414 100644 --- a/include/environment.h +++ b/include/environment.h @@ -227,9 +227,9 @@ struct env_driver { * will read from gd->env_addr. * * @index: Index of character to read (0=first) - * @return character read + * @return character read, or -ve on error */ - unsigned char (*get_char)(int index); + int (*get_char)(int index); /** * load() - Load the environment from storage |