diff options
Diffstat (limited to 'media/img_utils/include/img_utils/Input.h')
| -rw-r--r-- | media/img_utils/include/img_utils/Input.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/media/img_utils/include/img_utils/Input.h b/media/img_utils/include/img_utils/Input.h index 2166601..6a03647 100644 --- a/media/img_utils/include/img_utils/Input.h +++ b/media/img_utils/include/img_utils/Input.h @@ -43,10 +43,18 @@ class ANDROID_API Input { * count argument will be read. Bytes will be written into the given buffer starting * at the index given in the offset argument. * - * Returns the number of bytes read. If an error has occurred, the value pointed - * to by the given status_t pointer will be set to a negative error code. + * Returns the number of bytes read, or NOT_ENOUGH_DATA if at the end of the file. If an + * error has occurred, this will return a negative error code other than NOT_ENOUGH_DATA. */ - virtual size_t read(uint8_t* buf, size_t offset, size_t count, status_t* err) = 0; + virtual ssize_t read(uint8_t* buf, size_t offset, size_t count) = 0; + + /** + * Skips bytes in the input. + * + * Returns the number of bytes skipped, or NOT_ENOUGH_DATA if at the end of the file. If an + * error has occurred, this will return a negative error code other than NOT_ENOUGH_DATA. + */ + virtual ssize_t skip(size_t count); /** * Close the Input. It is not valid to call open on a previously closed Input. |