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-rw-r--r--include/sqfs/io.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/sqfs/io.h b/include/sqfs/io.h
index a544875..9784113 100644
--- a/include/sqfs/io.h
+++ b/include/sqfs/io.h
@@ -150,9 +150,31 @@ SQFS_API sqfs_file_t *sqfs_open_file(const char *filename, int flags);
* reading sequentially.
*
* @param size The alleged "size" of the file.
+ *
+ * @return A pointer to a file object on success, NULL on allocation failure.
*/
SQFS_API sqfs_file_t *sqfs_get_stdin_file(uint64_t size);
+
+/**
+ * @brief Read a chunk from a file and turn it into a block that can be
+ * fed to a block processor.
+ *
+ * @member sqfs_file_t
+ *
+ * @param file A pointer to a file implementation.
+ * @param offset A byte offset into the file.
+ * @param size The number of bytes to read, starting at the given offset.
+ * @param user A user pointer to set for the block.
+ * @param flags The flags to store in the newly created block.
+ * @param out Returns a pointer to a block on success.
+ *
+ * @return Zero on success, an @ref E_SQFS_ERROR identifier on failure.
+ */
+SQFS_API int sqfs_file_create_block(sqfs_file_t *file, uint64_t offset,
+ size_t size, void *user, uint32_t flags,
+ sqfs_block_t **out);
+
#ifdef __cplusplus
}
#endif